MBX138
through
MBX608
HydRAULic MoUNtEd BREAkERS
MBX138 thru
MBX608
USER MANUAL
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TABLE OF CONTENTS
SAFETY PRECAUTIONS..........................................................................................................................................4
SAFETY SYMBOLS ..................................................................................................................................................6
TOOL STICKERS & TAGS........................................................................................................................................7
PRE-OPERATION.....................................................................................................................................................9
OPERATION............................................................................................................................................................ 11
UNDERWATER APPLICATIONS ..................................................................................................................14
UNDERWATER OPERATION .......................................................................................................................15
PERIODIC MAINTENANCE CHECKS..........................................................................................................16
PROPER USE & CARE OF TOOL BITS.................................................................................................................17
WEAR LIMIT DIMENSIONS....................................................................................................................................21
TROUBLESHOOTING ............................................................................................................................................25
CHARGING THE MAIN ACCUMULATOR...............................................................................................................26
CHARGING THE SIDE ACCUMULATOR ...............................................................................................................27
RECOMMENDED TORQUE VALUES ....................................................................................................................28
BOLT PATTERNS....................................................................................................................................................29
ACCESSORIES.......................................................................................................................................................29
UPPER BUMPER....................................................................................................................................................30
COVER PLATE........................................................................................................................................................31
FLOW TEST PROCEDURES..................................................................................................................................32
SPECIFICATIONS...................................................................................................................................................33
MBX138 POWER CELL ILLUSTRATION................................................................................................................34
MBX138 POWER CELL PARTS LIST.....................................................................................................................35
MBX138 HOUSING PARTS ....................................................................................................................................36
MBX208 POWER CELL ILLUSTRATION................................................................................................................37
MBX208 POWER CELL PARTS..............................................................................................................................38
MBX208 HOUSING PARTS ....................................................................................................................................39
MBX258 POWER CELL ILLUSTRATION................................................................................................................40
MBX258 POWER CELL PARTS..............................................................................................................................41
MBX258 HOUSING PARTS ....................................................................................................................................42
MBX308 POWER CELL ILLUSTRATION................................................................................................................43
MBX308 POWER CELL PARTS..............................................................................................................................44
MBX308 HOUSING PARTS ....................................................................................................................................45
MBX358 POWER CELL ILLUSTRATION................................................................................................................46
MBX358 POWER CELL PARTS..............................................................................................................................47
MBX358 HOUSING PARTS ....................................................................................................................................48
MBX408 POWER CELL ILLUSTRATION................................................................................................................49
MBX408 POWER CELL PARTS..............................................................................................................................50
MBX408 HOUSING PARTS ....................................................................................................................................51
MBX458 POWER CELL ILLUSTRATION................................................................................................................52
MBX458 POWER CELL PARTS..............................................................................................................................53
MBX458 HOUSING PARTS ....................................................................................................................................54
MBX608 POWER CELL ILLUSTRATION................................................................................................................55
MBX608 POWER CELL PARTS..............................................................................................................................56
MBX608 HOUSING PARTS ....................................................................................................................................57
DECLARATION OF CONFORMITY........................................................................................................................58
IMPORTANT
To fill out a Product Warranty Recording form, and for information on your warranty,
visit Stanleyhydraulic.com and select the Warranty tab.
(NOTE: The warranty recording form must be submitted to validate the warranty).
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SAFETY PRECAUTIONS
Tool operators and maintenance personnel must always
comply with the safety precautions given in this manu-
al and on the decals and tags attached to the tool and
hose.
•
•
Ensure that all maintenance procedures recom-
mended in this manual are completed before using
the equipment.
The operator must not operate the breaker or carrier
if any people are within the area where they may be
injured by flying debris or movement of the equip-
ment.
These safety precautions are given for your safety. Re-
view them carefully before operating the tool and before
performing general maintenance or repairs.
Supervising personnel or the owner operator should de-
velop additional precautions relating to the specific work
area and local safety regulations. Place the added pre-
cautions in the space provided in this manual.
•
•
Know the limits of your equipment.
Establish a training program for all operators to en-
sure safe operation.
•
•
•
•
Do not operate the tool unless thoroughly trained or
under the supervision of an instructor.
Become familiar with the carrier controls before op-
erating the carrier and the breaker.
When operating the breaker you must use ear pro-
tection, eye protection, and breathing protection.
GENERAL SAFETY PRECAUTIONS
While learning to operate the breaker and carrier, do
so at a slow pace. If necessary, set the carrier mode
selector to the slow position.
The Hydraulic Breaker will provide safe and dependable
service if operated in accordance with the instructions
given in this manual. Read and understand this manual
and any decals and tags attached to the breaker before
operation. Failure to do so could result in personal injury
or equipment damage.
•
Warning: Use of this tool on certain materials during
demolition could generate dust potentially contain-
ing a variety of hazardous substances such as as-
bestos, silica or lead. Inhalation of dust containing
these or other hazardous substances could result
in serious injury, cancer or death. Protect yourself
and those around you. Research and understand
the materials you are cutting. Follow correct safety
procedures and comply with all applicable national,
state or provisional health and safety regulations
relating to them, including, if appropriate arranging
for the safe disposal of the materials by a qualified
person.
•
•
•
•
Operate the breaker in accordance with all laws and
regulations which affect you, your equipment, and
the work site.
Do not operate the breaker until you have read this
manual and thoroughly understand all safety, opera-
tion and maintenance instructions.
The operator must be familiar with all prohibited
work areas such as excessive slopes and danger-
ous terrain conditions.
Do not operate the breaker until you have read the
carrier equipment manual and thoroughly under-
stand all safety, operation and maintenance instruc-
tions. The word “carrier”, as used in this manual,
means a backhoe or excavator or similar equipment
used to operate the breaker.
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SAFETY PRECAUTIONS
•
•
•
Make sure all controls (levers and pedals) are in the
NEUTRAL position before starting the carrier.
•
If you do not understand how to safely operate your
breaker, contact an authorized Stanley Dealer for
assistance.
While operating the breaker and carrier, keep hands
and feet on the controls at all times.
•
•
Keep this manual with the breaker.
Before leaving the carrier, always lower the boom
and insure the carrier is stable. Never leave the ma-
chine with the engine running. ALWAYS ENGAGE
THE PARKING BRAKE.
Do not operate this equipment if you are taking med-
ication which may affect your mental judgement or
physical performance.
•
•
Do not operate this equipment if you are under the
influence of drugs or alcohol.
•
•
Stop the engine before attempting to make any re-
pairs, adjustments or servicing to either the carrier
or the breaker.
Exposure to crystalline Silica (sometimes called
“silica dust”) as a result of breaking, drilling, or ham-
mering of rock, concrete, asphalt or other materials
may cause Silicosis (a serious lung disease), silico-
sis-related illnesses, cancer, or death. Respiratory
protection is highly recommended when working
with materials containing Silica Dust. Always wear
a respirator approved for protection against crystal-
line silica.
Do not operate the tool at oil temperatures above
190°F/88°C. Operation at higher temperatures can
damage the internal components of the breaker
and carrier and will result in reduced breaker per-
formance.
•
Do not operate a damaged, leaking, improperly ad-
justed, or incompletely assembled breaker.
•
•
Do not modify the breaker in any manner.
Use only tool bits supplied by Stanley Hydraulic
Tools. Use of tool bits supplied by another manu-
facturer may damage the breaker and will void the
warranty.
•
To avoid personal injury or equipment damage, all
breaker repair, maintenance and service must only
be performed by authorized and properly trained
personnel.
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SAFETY SYMBOLS
Safety symbols and signal words, as shown below, are used to emphasize all operator, maintenance and repair ac-
tions which, if not strictly followed, could result in a life-threatening situation, bodily injury or damage to equipment.
This is the safety alert symbol. It is used to alert you to potential personal injury
hazards. Obey all safety messages that follow this symbol to avoid possible
injury or death.
This safety alert and signal word indicate an imminently hazardous situation
which, if not avoided, will result in death or serious injury.
DANGER
WARNING
CAUTION
This safety alert and signal word indicate a potentially hazardous situation
which, if not avoided, could result in death or serious injury.
This safety alert and signal word indicate a potentially hazardous situation
which, if not avoided, could result in death or serious injury.
This signal word indicates a potentially hazardous situation which, if not avoid-
ed, may result in property damage.
CAUTION
NOTICE
This signal word indicates a situation which, if not avoided, will result in damage
to the equipment.
This signal word indicates a situation which, if not avoided, may result in dam-
age to the equipment.
IMPORTANT
Always observe safety symbols. They are included for your safety and for the protection of the tool.
LOCAL SAFETY REGULATIONS
Enter any local safety regulations here. Keep these instructions in an area accessible to the operator and mainte-
nance personnel.
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TOOL STICKERS & TAGS
Shown below and on the next page are decals and stickers found on the equipment that provide important informa-
tion. Replace decals and stickers when they are no longer legible. Decals may not be of actual size.
High Pressure
Back Head = 15 ± 0.5 bar
Discharge
Prior To
Disassembly
Part Number 72078
Notice: Nitrogen Gas Charging Pressure
(15 Bar) Sticker (MBX 258, 308 & 608 Only)
Part Number 68772
Warning: High Pressure Discharge Sticker
Part Number 47351
Warning: Read
Manual, Use Breathing,
Hearing, Eye
Protection Sticker
Back Head = 6 ± 0.5 bar
Part Number 68767
Every 2 Hours
Notice: Nitrogen Gas Charging Pressure
(6 Bar) Sticker (MBX 358)
Part Number 68771
Grease Sticker
MBX138 thru MBX608
Back Head = 17 ± 0.5 bar
Part Number 68773
Lift Point Sticker
Part Number 68769
Notice: Nitrogen Gas Charging Pressure
(17 Bar) Sticker (MBX138, 208, 408)
Back Head = 8.5 ± 0.5 bar
Part Number 68768
Notice: Nitrogen Gas Charging Pressure
(8.5 Bar) Sticker (MBX 458)
±
Part Number 68770
Notice: Nitrogen Gas Charging Pressure
(60 Bar) Sticker (Side Accumulator Only) MBX308, 358,
408, 458 and 608.
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TOOL STICKERS & TAGS
Sound Power Level Sticker
P/N 72096 – 115 dBA MBX208
P/N 72097 – 116 dBA MBX138
P/N 72098 – 120 dBA MBX258, 308, 358
P/N 72259 – 124 dBA MBX408
P/N 72260 – 125 dBA MBX458 608
Stanley Hydraulic Tools
Division of The Stanley Works
3810 SE Naef Road
Stanley Logo Sticker
Milwaukie, OR 97267 USA
P/N 68748 – MBX138
P/N 68749 – MBX208
P/N 68750 – MBX258
P/N 68751 – MBX308
P/N 68752 – MBX358
P/N 68753 – MBX408, 458, 608
MODEL NO:
SERIAL NO:
OPERATING WEIGHT:
INPUT FLOW:
CIRCUIT RELIEF PRESSURE:
CE Specification Plate
P/N 68780 – MBX138
P/N 68781 – MBX208
P/N 68797 – MBX258
P/N 68798 – MBX308
P/N 68799 – MBX358
P/N 68800 – MBX408
P/N 72068 – MBX458
P/N 72069 – MBX608
MBXXXX
MAXFORCE
Max Force Logo Sticker
Model Number Sticker
P/N 72079 – MBX138, 208, 358
P/N 72080 – MBX258, 308
P/N 72081 – MBX408, 458, 608
P/N 72082 – MBX138
P/N 72083 – MBX208
P/N 72084 – MBX258
P/N 72085 – MBX308
P/N 72086 – MBX358
P/N 72087 – MBX408
P/N 72088 – MBX458
P/N 72092 – MBX608
Note: Decals shown are not of actual size
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PRE-OPERATION
PRE-INSTALLATION INSTRUCTIONS PREPARATION FOR OPERATION
EXCAVATOR SIZE
NITROGEN CHARGE
Contact Stanley Hydraulic Tools to determine correct ex- The breaker has been properly charged with nitrogen at
cavator size. See the "SPECIFICATIONS" section of this the factory and is ready to use (see pages 20 and 21) for
manual for hydraulic flow and pressure requirements.
charging information.
TOOL BIT LUBRICATION
Grease the top 250 mm/10 inches of the breaker tool
bit before installing. During operation, the tool can be
greased through the grease fitting. Grease as required.
Make sure the tool bit is against the tool stop by
placing the tool bit against the ground and then put-
ting down pressure on the breaker. SEE THE ILLUS-
TRATION BELOW AND ON THE FOLLOWING PAGE.
NOTICE
If hydraulic pressure, hydraulic back-pressure,
hydraulic flow, or excavator weight class are
exceeded, the tool warranty is void.
EXISTING EQUIPMENT HYDRAULICS VS
APPLICATION ATTACHING KITS
Grease This
Area of Bit
Using existing equipment hydraulic auxiliary systems
for operating hydraulic tools could cause problems for
the hydraulic tool and the hydraulic system if not set up
properly. Simply plugging into the hydraulic system with-
out confirming pressure and flow to the hydraulic tool is
not a good practice. Spare spool valves, dipper circuits,
etc., are just a few examples of easily accessible hy-
draulic circuits which could prove to cause problems for
hydraulic tool usage.
250 mm/10 in.
Tool Bit
Figure 1. Greasing the Tool Bit Before Installation
ATTACHING KITS adapt to existing hydraulic systems
of many popular backhoes and excavators.
NOTICE
If your equipment does not contain an attaching kit, ask
your Stanley dealer for information, installation, and
pricing on a kit which matches your equipment needs.
Greasing the tool bit without down pressure on
the tool will result in grease filling the space
between the piston and the tool bit.
TEST THE HYDRAULIC SYSTEM
1. Have your Stanley dealer test the excavator hydrau-
lic system to make sure the system is operating at
the manufacturers specified capacity and pressure
ratings.
When the breaker is next activated, the piston
will strike the grease at a speed that will cause
the grease to apply great force against the seals
and grease zerk resulting in damage to these
components.
2. Be sure the fluid in the hydraulic system is clean.
3. Check the hydraulic filter. Replace the filter if dirty or
deteriorated.
4. Have your Stanley dealer test the circuit to which
the breaker will be connected to make sure that the
circuit is supplying the specified flow and pressure
rating for the breaker. See the SPECIFICATIONS
section of this manual.
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PRE-OPERATION
4. Install the tool bit making sure the notches are
Piston not against
tool bit leaving space
between the piston
and bit.
Grease Will
Fill This
Space
aligned with the lower body tool retainer pin holes.
5. Install the tool retainer pins, tool retainer plugs and
retainer plate.
Tool Stop
Lower Bushing
Tool Bit
LOW-TEMPERATURE WARM-UP
PROCEDURE
1. After starting the excavator, warm-up the hydraulic
system at engine idle until hydraulic lines are warm
to the touch.
2. With the excavator at idle and the breaker suspend-
ed in the air or with minimal down pressure, turn on
the breaker to gradually warm up its internal com-
ponents.
Figure 2.
SECURING THE TOOL
1. Lay the breaker in a horizontal position to install the
tool bit. Remove the tool pin retainer plate and the
tool retainer plugs, see Figure 3 below.
3. When the hydraulic system and breaker are warm,
proceed with operation. See the OPERATION sec-
tion of this manual.
LONG TERM STORAGE
Use the following procedure if storage of the break-
er is expected to be more than 6 months.
IMPORTANT: The piston protrudes out the bottom of the
cylinder when not in use, although it is inside the lower
body it will still be exposed to the elements and will rust
damaging internal components when it is put back into
service.
Tool Bit Retainer Pin
Tool Bit Retainer
Remove the tool bit and discharge the nitrogen gas from
the upper accumulator. Use the tool bit to push the pis-
ton inside the cylinder where it will be protected from the
elements. Grease the lower end of the exposed piston
thoroughly. Also thoroughly coat the tool bit, tool stop,
retaining pins, and lower bushing with grease.
Plug
Tool Bit Retainer
Plate
If hoses are attached to the breaker, install plugs on
the hose ends. If hoses are removed from the breaker,
install plugs on the hose ends and install plugs in the
breaker “IN” and “OUT” ports.
Figure 3.
2. Using a punch and hammer, drive out the tool re-
tainer pins.
Store breaker in a dry area under cover if possible. It is
best to store the breaker in an area that has a consistent
temperature to help avoid water condensation causing
rust. Store the breaker in a vertical position. Do not store
the breaker horizontally for extended periods.
WARNING
Flying debris may be caused by striking the rod pins
with a punch or hammer.
If the breaker has been laid horizontally for more than 6
months, check and/or replace all seals. Check for corro-
sion of bolts before operation.
Wear eye protection when installing or removing the
rod pins.
Failure to wear eye protection may result in eye
injury.
3. Grease the top area of the tool bit as shown in the
illustration.
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OPERATION
the edge, the energy will be absorbed into the material
without cracking it. Do not run the breaker longer than
15-20 seconds. If breakout does not occur within this
time, move the breaker to another position.
PREPARATION FOR USE
Read the section in this manual titled PREPARATION
FOR USE before operating a breaker. Failure to follow
the preparation instructions can result in severe damage
to the breaker and excavator and void the warranties of
both.
On flat material such as concrete runways, starting to
break in the middle of the material may cause vibrations
to be transmitted throughout the breaker and excavator
because the material has no place to break to. Always
try to start at a point which will permit the material to
break out.
POSITIONING THE EXCAVATOR
MAINTAIN DOWN PRESSURE
Maintaining hard contact with the surface of the material
to be broken in addition to maintaining adequate "down
force" is very important. Always keep "down pressure"
or "down force" on the point of the breaker by lifting the
wheels, tracks, or stabilizers slightly above the ground.
This method takes the "slack" out of the bracket and
boom pivots, and reduces the impact on the pivots in
the boom.
Figure 4. Position the Excavator
With the breaker tool in place on the material to be
worked, position the excavator so the dipper is at ap-
proximately 45° and the breaker is almost vertical. The
tracks of the excavator should be in line with booms and
the breaker.
POSITIONING THE BREAKER TOOL ON
THE WORK MATERIAL
Position the tool bit near the edge of the work material,
not in the center or far from the edge. Position the tool
6-18 inches (depending on the material) from the edge.
Breaking off smaller pieces of rock or concrete usually
accomplishes more than trying to break larger pieces.
Apply down pressure
Figure 6. Maintain Down Pressure
The operator needs to be constantly aware of the amount
of down pressure being applied and be able to adjust it
if necessary. Not enough down pressure results in low
production and accelerates wear and tear on the equip-
ment. Too much down pressure may cause the breaker
housing to violently crash into the broken material when
"break-through" occurs.
Break near the edge
In any breaking job, the operator should make every ef-
fort to “follow” the breaker with “down-pressure” as the
machine breaks farther into the material. The breaker
should be stopped as soon as “break-thru” occurs or if it
is apparent that good solid blows are not occurring.
Figure 5. Position the Breaker
On flat material or rock, the breaker should be vertical
or “curled” back slightly to direct the impact force down-
ward and toward the backhoe. This directs the force
back toward the edge of the work material. If the tool
is positioned in the center of the work, or too far from
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OPERATION
BREAKING
The operator should note the sound of the blow when
the breaker is running. With experience, the operator will
be able to tell the difference between a good solid blow
and a hollow sounding blow. A hollow blow means that
solid blows are not occurring and the breaker should be
repositioned.
Continuous tool penetration usually does not do much
good. If the material does not break with 3 to 4 inches of
tool penetration, it usually won’t break with full penetra-
tion. The time used for additional penetration could be
better used to strike blows in another place.
Scoring with the
breaker
Figure 8. Scoring with Breaker
Use a “scoring” method of breaking when cracking the
material becomes difficult. This technique involves strik-
ing the rock or concrete at several places along a line
where you want the crack to occur. Most materials break
sooner when struck several places along a line than
when struck repeatedly in one location. On each line, the
breaker tool should be continually repositioned. Practice
determines the best length of time to stay in one spot
(15-20 seconds) and how far to move the breaker tool.
Do not break continuously
in one place
Breaker tool binding can cause erratic breaker opera-
tion and premature wear on the tool shank. Breaker tool
binding is caused by failure to direct the down force in
the direction of the tool bit.
Figure 7. Breaking
NOTICE
Continuous breaking in the same area for lengthy
periods will create excessive temperatures at
the tip of the tool bit resulting in loss of temper
(hardness) of the bit and causing mushrooming of
the tip of the bit, and may lead to failure of the bit.
Do not pry with or
bind the tool bit
Many materials do not respond well to continued ham-
mering in one place. The breaker tool should be reposi-
tioned on the work each time the tool penetrates but
does not crack the material.
Figure 9. Breaker Binding
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OPERATION
type can be experienced in trench work where obtain-
ing striking contact with the work surface is difficult or
the wrong tool bit is used, or in flat rock work where the
operator fails to stop operation of the breaker when slip-
page, fracturing or material break-through occurs.
Excessive side force cocks the tool in its bore, pre-vents
proper movement and causes premature tool shank
and bushing wear. Since the breaker tool bit must be
pushed up into the breaker to operate, a binding tool
prevents the breaker from operating correctly. Binding
also causes the tool bit and tool bushings to seize and
often results in breakage of one or more breaker com-
ponents. Always direct the down pressure force in a line
toward the point of tool contact with the work.
Blank firing as a result of operator error occurs when the
tool bit is not in contact with the work surface to be bro-
ken and is allowed to drop down in the lower body cav-
ity so that the piston is not able to strike it. Instead, the
downward movement of the piston will be stopped by an
internal oil cushion located at the bottom of the piston’s
stroke and the energy of the piston will be absorbed by
breaker components and excavator boom components.
Blank firing of this type can be experienced when the
operator fails to stop operation of the breaker when the
material fractures or material break-through occurs, or
during re-positioning of the breaker.
NOTICE
DO NOT pry with the tool bit and breaker.
Prying will damage the tool bit and associated
breaker components.
While blank firing cannot always be avoided, it can be
kept to a minimum by avoiding the above conditions as
much as possible.
Moving rocks with the tool bit is another method of bind-
ing the tool bit. This practice should be avoided as it may
cause tool bit failure.
Rebar reinforced concrete introduces the problem of
concrete chunks being held together by the rebar after
the concrete has been broken. The best approach to this
problem is to use a chisel point tool which permits cut-
ting the rebar with the breaker. Another method is to pe-
riodically cut the rebar with an oxyacetylene torch.
BLANK FIRING
To understand “Blank Firing”, the operator needs to
be aware that if the tool bit is not pressed against the
work surface the tool bit will drop down in the lower body
cavity far enough so that the piston cannot strike it. Blank
firing occurs whenever the breaker is operating and the
piston is not able to strike the tool bit solidly or not strike
the tool bit at all. Blank Firing accelerates wear and tear
on breaker and excavator components and may result in
failure of one or more components. Excessive blank fir-
ing may be considered equipment abuse and may result
in voiding warranties.
Break-through or difficult surface contact results in blank
firing when the material being broken fractures and the
tool bit is no longer in “hard contact” with the material
but is still pushed high enough in the lower body cavity
so that the piston can strike it. In this condition, the pis-
ton strikes the tool bit and the tool bit, in turn, is driven
against the retaining pins because it is not in sufficient
contact with the material to be broken. The energy is ab-
sorbed by the retaining pins, other breaker components,
and the excavator boom components. Blank firing of this
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OPERATION
UNDERWATER USE
CAUTION
Do not use underwater
without air application kit
UNDERWATER USE
No part of the breaker may be submerged in water
unless an air application kit is used. Underwater
usage of the breaker without air application will
cause internal damage to the breaker. Consult
Stanley for modifications and specific warranty
coverage if you have an underwater requirement.
Figure 11. Underwater Use
The breaker is equipped with an underwater port on the
side of the breaker. Connect an air line to this port and
supply the required air pressure and flow to the breaker
when using underwater. The following table shows the
air pressure required.
Model
Required Air
Amount
Required Air
Pressure
Compressor
Horsepower-Min on Exploded View
Fitting Location
MBX138
MBX208
MBX258
MBX308
MBX358
MBX408
MBX458
MBX608
0.5m³ / min
0.5m³ / min
1.0m³ / min
1.0m³ / min
1.0m³ / min
1.0m³ / min
1.0m³ / min
1.0m³ / min
75-100 psi /5-7 bar
75-100 psi /5-7 bar
75-100 psi /5-7 bar
75-100 psi /5-7 bar
75-100 psi /5-7 bar
75-100 psi /5-7 bar
75-100 psi /5-7 bar
75-100 psi /5-7 bar
3.7 Kw
3.7 Kw
3.7 Kw
3.7 Kw
3.7 Kw
3.7 Kw
3.7 Kw
3.7 Kw
Item # 9A
Item # 9A
Item # 9A
Item # 9A
Item # 71
Item # 72A
Item # 72A
Item # 9A
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OPERATION
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OPERATION
EACH DAY
PERIODIC MAINTENANCE CHECKS
•
Check for loose or missing fasteners. Tighten or re-
place as needed.
•
Periodically check wear pad clearance by moving
the power cell back and forth. Set the breaker on the
bit and then use the excavator to move it from side
to side as shown in the illustration. If the deflection
exceeds 1.5 inches, replace the wear pads.
•
•
Inspect tool retaining pins and pockets for wear.
Check for hydraulic leaks at all fittings and hoses.
Replace any defective hoses.
•
•
Apply grease to the grease fitting in the lower body
each morning. Grease as needed throughout the
work day.
MEASURE THROUGH HOLE CENTER AND IF
DIFFERANCE BETWEEN A & B IS GREATER
THAN 1.500, REPLACE WEAR PLATES.
Inspect the lower bushing, tool retainer, tool retainer
pins. Reseat or replace if necessary.
TOOL STOP & LOWER BUSHING
Inspect the tool stop, and lower bushing for excessive
galling and metal pickup on the tool bit. Also check for
cracks. If cracks are present, the parts must be replaced.
The extent of wear of the tool stop and lower bushing
and the tool bit can be checked by moving the tool bit
back and forth and measuring the gap between the tool
bit and the lower bushing. If the gap is more than 0.354
in./9 mm the tool stop, lower bushing, and the tool bit
should be replaced. A gap in excess of 0.354 in./9 mm
will cause damage to the piston. Do not just replace the
tool bit or the lower bushing individually as this will result
in premature wear of the replaced component. It is rec-
ommended to replace all worn components.
MOVE THE TOOL BIT
BACK & FORTH &
MEASURE THE GAP
BETWEEN TOOL BIT &
LOWER BUSHING
PUSH TOOL EACH WAY FOR MEASUREMENT.
Figure 12. Checking for Wear
CHECKING WEAR PLATE WEAR
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PROPER USE & CARE OF TOOL BITS
Tool bits are made and heat treated to specification.
Worn-out retainer pin(s) will cause uneven loading on
the pin(s) themselves, causing failure of the tool or re-
tainer pin(s). This will also cause excessive wear to the
front bushing(s).
Tool bits, however well made, are wear parts, and are
used in the most destructive applications. Even when
the hydraulic breaker is used properly, and the operator
is an experienced one, a tool bit may become damaged.
When a tool bit has been damaged, it is useful to de-
termine the cause immediately in order to prevent the
damage from occurring again.
METAL-TO-METAL CONTACT
Extreme caution should be used to avoid scratches or
gouges on the surface of the tool. These areas create a
stress concentration Metal-to-Metal Contact point, thus
weakening the tool.
All Stanley tool bits are machined and hardened for
maximum performance. Care must be taken to maintain
the tools original condition for optimum productivity and
life expectancy. It is not uncommon for an operator who
is unfamiliar with using a hammer to break a point. This
is part of the learning experience.
Another form of metal-to-metal contact is galling, which
usually occurs from the lack of lubrication. Special care
should be taken to keep the tool shank lubricated every
two (2) to three (3) hours.
Steel failures that were caused by surface damage take
two main forms. The simplest form is caused by deep
scratches on working steel surface. The broken surface
has a shell pattern around the starting point of failure,
similar to the one in the fatigue failure. The other parts of
the broken surface are brittle. These failures work slowly
through the steel until it suddenly parts completely.
Listed below are several methods to determine tool fail-
ure and will quickly aid in warranty determination.
TOOL FAILURE NOT COVERED
UNDER WARRANTY
BLANK FIRING OR FREE RUNNING
The second form of failure caused by surface damage
occurs when there are deep scratches on working steel
surface and there was also excessive bending stress.
The broken surface also shows the shell pattern, but the
other parts of the broken surface are brittle and usually
have a “lip” like that in a stress failure.
This occurs when the tool is not in proper contact with
the work, thus causing the energy produced by the ham-
mer to be concentrated on the tool retainer(s) and the
retainer slot(s) on the tool itself. Caution should be used
to prevent the hammer from sliding off slanted surfaces
or when breaking through thin material.
The illustration below is typical of the kind of breakage
that occurs from excessive blank firing.
Figure 13. Excessive Blank Firing Breakage
WORN-OUT FRONT BUSHING(S) OR
RETAINER PIN(S)
Worn-out front bushing(s) will cause the tool to become
misaligned inside the hammer. This misalignment will
cause uneven contact between the piston and tool, thus
causing stress to concentrate on one particular area of
the tool. This can also cause the tool to bind inside the
hammer. Call your dealer for acceptable wear allow-
ances.
Figure 14. Metal-to-Metal Contact Examples
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PROPER USE & CARE OF TOOL BITS
In its most extreme forms, the combination of surface As the next illustration shows, fatigue failures take many
damage and severe bending can quickly break even the forms, but they all exhibit similar features. Generally, the
best working steels.
broken surface is brittle and has a “lip” like that in the
bending failure, even though, in some cases, the lip has
been broken.
The illustrations below show examples of severe stress
breaks.
Figure 18. Fatigue Failures
Figure 15. Severe Stress Breaks
CORROSION
PRYING
Tools should be greased and stored out of the weather.
Corrosion tends to accelerate the fatigue fractures of the
tool.
This is the most common cause of tool failure. Even
when there is no surface damage, the stress from pry-
ing can easily break a working steel. This kind of failure
generally results from any type of side pressure such as
an incorrect breaking angle or from using the tool to re-
position material. The tool should not be used as a pivot
point when repositioning the carrier. The power gener-
ated by the carrier will far exceed the strength of the tool.
MUSHROOMING
Driving the tool into a hard material for a long period of
time generates an intense heat, indicated by a blue tone
just above the point. This will soften the steel and cause
the point to fold over or mushroom the end of the tool.
Avoid hammering in one location for too long. If material
does not break after a short period (approximately 15 to
20 seconds), reposition the tool.
Figure 16. Prying Damage Example
Similar failures can also occur when the steel is used
with extreme down pressure, and the steel repeated-
ly slips off the work at an angle, or the material, itself
moves from under the working steel.
Figure 19. Mushrooming
If the overheated steel is suddenly cooled by being
dipped in standing water, for example, the metal will
harden and become brittle. These are some examples
of failure caused by temper changes occurring on the
job.
Figure 17. Extreme Down Pressure Breakage
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PROPER USE & CARE OF TOOL BITS
Look for surface cracks, galling, or gouge marks. Breaks
TOOL FAILURE COVERED UNDER
WARRANTY
INTERNAL MATERIAL FLAW
that start as surface damage have a “sea shell” pattern,
with the damaged spot at the center. A large “sea shell”
indicates a slow growing break; a small one indicates
one compounded by side stress.
This failure occurs when a foreign material is rolled into
the steel during the manufacturing process, causing an
imperfection in the internal material flaw grain. The re-
sult is an inherent weakness in the tool shank and even-
tual breakage.
Stress failures start small, and spread into the center
of the steel. In a stress failure, the coarser the grain,
the greater the stress was, and the more rapid was the
failure.
The fatigue failure is started by the defects within the tool
bit. The broken surface exhibits a shell pattern around
the starting point of failure, like that in the fatigue failure.
The other parts of the broken surface are brittle.
•
•
Failures in this area are usually the result
of blank firing, worn bushing(s), worn re-
tainer pin(s) or the lack of lubrication.
This is the only kind of tool bit failure that is always
covered under warranty.
Failures in this area are usually the result
of worn retainer pin(s) or blank firing.
•
Failures in this area are usually the result
of prying, metal-to-metal contact or corro-
sion. Prying failures often exhibit a shell-
like formation near the edge of the steel
diameter where the break began, and a
“tail” opposite that where the remaining
steel bent and tore.
Figure 20. Internal Material Flaw
•
Failures in this area are usually the result
of heat build-up, mushrooming, or improp-
er contact with the work.
As a rule, working steel failures can be diagnosed by
looking at the break itself, and at the place on the steel
where the break occurred. Discoloration, like “rainbow”
effects or blue bands, is the result of extreme heat.
Figure 21. Diagram of Tool Bit Failures
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PROPER USE & CARE OF TOOL BITS
Stanley Breakers are available with several different types of tool bits. The most common are the moil, chisel and
the blunt. Each of these working steels has its own purpose as described below:
To obtain the maximum production from the breaker, it is important to select the proper working steel. Consult your
Stanley representative for assistance in selecting the proper working steel for your application.
MOIL
This is by far the most popular
working steel. It is a general
purpose point used to break
anything from concrete to hard
rock. Its pencil-type point is
used to fracture the material.
The tool is best where penetra-
tion speed is important.
CHISEL
This style of point is used gen-
erally used for trench work,
where a controlled break is re-
quired, and for rock breaking
on materials with a definite line
of cleavage. A chisel bit also
works well in softer concretes
where a moil might penetrate
quickly, but not cause a frac-
ture line.
BLUNT
This flat type of point is used to
break softer material such as
coal or shale. A moil or chisel
will tend to punch holes in this
type of material, where a flat
blunt will shatter the material.
It is also useful when break-
ing irregularly shaped material
where its broad tip makes it
easier to position.
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WEAR LIMIT DIMENSIONS
INSPECTION / REPLACEMENT OF TOOL BIT/LOWER BUSHING
Model
MBX138
Wear Limit
5 mm / 0.196 in.
6 mm / 0.236 in.
6 mm / 0.236 in.
7 mm / 0.275 in.
MBX208, MBX258, MBX308
MBX358, MBX408, MBX458
MBX608
LOWER BUSHING
ØA
Model
ØB
Wear Limit
ØC
L
New Part
MBX138
MBX208
MBX258
MBX308
MBX358
MBX408
MBX458
MBX608
100 mm / 3.937 in
125 mm / 4.921 in
135 mm / 5.314 in
140 mm / 5.511 in
150 mm / 5.905 in
155 mm / 6.102 in
160 mm / 6.229 in
175 mm / 6.889 in
105 mm / 4.133 in
131 mm / 5.157 in
141 mm / 5.551 in
146 mm / 5.748 in
156 mm / 6.141 in
161 mm / 6.338 in
166 mm / 6.535 in
181 mm / 7.125 in
143 mm / 5.629 in
178 mm / 7.007 in
193 mm / 7.598 in
200 mm / 7.874 in
210 mm / 8.267 in
210 mm / 8.267 in
230 mm / 9.055 in
257 mm / 10.118 in
110 mm / 4.330 in
115 mm / 4.527 in
125 mm / 4.921 in
110 mm / 4.330 in
150 mm / 5.905 in
130 mm / 5.118 in
170 mm / 6.692 in
151.5 mm / 5.964 in
MAXFORCE BREAKER User Manual ◄ 21
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WEAR LIMIT DIMENSIONS
TOOL STOP
A
B
ØC
New Part
ØD
Wear Limit
Model
ØE
L
New Part
Wear Limit
17 mm
0.669 in
14 mm
0.551 in
100 mm
3.937 in
105 mm
4.133 in
122 mm
4.803 in
117 mm
4.606 in
MBX138
MBX208
MBX258
MBX308
MBX358
MBX408
MBX458
MBX608
31 mm
1.220 in
28 mm
1.102 in
125 mm
4.921 in
131 mm
5.157 in
151 mm
5.944 in
151 mm
5.944 in
27.2 mm
1.070 in
24.2 mm
0.952 in
135 mm
5.314 in
141 mm
5.551 in
162 mm
6.377 in
131 mm
5.157 in
40 mm
1.574 in
37 mm
1.456 in
140 mm
5.511 in
146 mm
5.748 in
170 mm
6.692 in
181 mm
7.125 in
35 mm
1.377 in
32 mm
1.259 in
150 mm
5.905 in
156 mm
6.141 in
180 mm
7.086 in
155 mm
6.102 in
35 mm
1.377 in
32 mm
1.259 in
155 mm
6.102 in
161 mm
6.338 in
190 mm
7.480 in
143 mm
5.629 in
35 mm
1.377 in
32 mm
1.259 in
160 mm
6.299 in
166 mm
6.535 in
192 mm
7.559 in
176 mm
6.929 in
53.5 mm
2.106 in
50.5 mm
1.988 in
175 mm
6.889 in
181 mm
7.125 in
214 mm
8.425 in
234 mm
9.212 in
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WEAR LIMIT DIMENSIONS
UPPER BUMPER
A
B
Model
New Part
Wear Limit
MBX138
MBX208
MBX258
MBX308
MBX358
MBX408
MBX458
MBX608
116 mm / 4.566 in
116 mm / 4.566 in
127 mm / 5.000 in
127 mm / 5.000 in
142 mm / 5.590 in
150 mm / 5.905 in
150 mm / 5.905 in
52 mm / 2.047 in
111 mm / 4.370 in
111 mm / 4.370 in
122 mm / 4.803 in
122 mm / 4.803 in
137 mm / 6.141 in
145 mm / 5.708 in
145 mm / 5.708 in
49 mm / 1.929 in
MAXFORCE BREAKER User Manual ◄ 23
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WEAR LIMIT DIMENSIONS
TOOL RETAINER PIN
Model
Dimension (A) New Part
Wear Limit Dimension (B )
3 mm / 0.118 in
3 mm / 0.118 in
4 mm / 0.157 in
4 mm / 0.157 in
4 mm / 0.157 in
6 mm / 0.236 in
6 mm / 0.236 in
6 mm / 0.236 in
MBX138
MBX208
MBX258
MBX308
MBX358
MBX408
MBX458
MBX608
60 mm / 2.362 in
76 mm / 2.992 in
80 mm / 3.149 in
88.5 mm / 3.484 in
88.5 mm / 3.484 in
99.5 mm / 3.917 in
99.5 mm / 3.917 in
99.5 mm / 3.917 in
TOOL BIT
Model
Dimension (A) New Part
100 mm / 3.937 in
125 mm / 4.921 in
135 mm / 5.314 in
150 mm / 5.905 in
150 mm / 5.905 in
155 mm / 6.102 in
160 mm / 6.299 in
175 mm / 6.889 in
Wear Limit Dimension (B )
95 mm / 3.740 in
MBX138
MBX208
MBX258
MBX308
MBX358
MBX408
MBX458
MBX608
120 mm / 4.724 in
129 mm / 5.078 in
144 mm / 5.669 in
144 mm / 5.669 in
149 mm / 5.866 in
154 mm / 6.062 in
169 mm / 6.653 in
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TROUBLESHOOTING
If symptoms of poor performance develop, the following chart can be used as a guide to correct the problem.
When diagnosing faults in operation of the breaker, always check that the hydraulic power source is supplying the
correct hydraulic flow and pressure to the breaker as listed in the table. Use a flowmeter known to be accurate.
Check the flow with the hydraulic oil temperature at least 180 °F/82 °C. An approved test procedure is available in
the complete service manual, P/N 41893.
PROBLEM
Breaker will not fire.
CAUSE
Low hydraulic oil level.
No flow to breaker.
SOLUTION
Fill reservoir.
Have hydraulic circuit tested by
authorized dealer/distributor per
approved procedure.
Main relief set too low.
Internal damage.
Have unit serviced by authorized
dealer/distributor.
Breaker runs slowly.
Low hydraulic flow.
Have hydraulic circuit tested by
authorized dealer/distributor per
approved procedure.
Excessive heat build up.
Excessive nitrogen pressure.
Internal leakage.
Have unit serviced by authorized
dealer/distributor.
Breaker runs erratically.
Low or excessive back pressure.
Damaged switch or connection.
Main relief set too low.
Internal damage.
Have carrier serviced by authorized
dealer/distributor.
Have unit serviced by authorized
dealer/distributor.
Tool binding.
Low hydraulic oil level.
Fill reservoir.
Breaker runs but at reduced power. Low accumulator charge.
Excessive back pressure.
Have unit serviced by authorized
dealer/distributor.
Main relief set too low.
Breaker leaks oil around tool bit and Lower seals failed.
tool bushing.
Have unit serviced by authorized
dealer/distributor.
Hydraulic system overheats.
Main relief set too low.
Have carrier serviced by authorized
dealer/distributor.
Insufficient cooling capability in
hydraulic circuit.
Line/hose size too small.
Excessive back pressure.
MAXFORCE BREAKER User Manual ◄ 25
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CHARGING THE MAIN ACCUMULATOR
The tools required to charge the breaker are shown be- 6. If the pressure is correct, unscrew the gauge to re-
low. The 33464 adapter and 33300 adapter assembly
can be obtained individually or in a kit (P/N 33465). Note
that the adapter and adapter assembly are designed to
be used with the 505232 charge hose assembly and
the 28257 accumulator tester which are used with other
Stanley model breakers. When charging the breaker,
make sure the tools and charge valve are clean. Dirt can
contaminate the charge valve and cause leakage.
tract the plunger. Then, loosen and remove the tes-
ter from the charge valve. If the pressure is not cor-
rect, proceed to Step 7.
NOTE:
When disengaging the tester a "POP" of nitrogen is
normal.
7. Connect the charge hose assembly to the charg-
ing valve on the tester. Make sure the valve on the
charge hose assembly is closed. Open the valve on
the nitrogen bottle.
1. Remove the protective plug from the accumulator
charge valve.
2. Screw the adapter assembly (P/N 33300) onto the
8. Very slowly open the valve on the charge hose as-
sembly and slowly meter the nitrogen into the break-
er charge valve until the tester reads the correct
charge pressure.
tester (P/N 28257) and tighten it.
3. Hold the chuck end of the tester and turn the gauge
fully counter clockwise to ensure the plunger inside
the chuck is completely retracted.
9. When the correct pressure is obtained, close the
valve on the charge hose assembly and on the nitro-
gen bottle. Unscrew the gauge to retract the plung-
er. Loosen and remove the tester from the charge
valve. Before replacing the protective plug, inspect
the plug o-ring. If damaged or deformed, replace the
plug. Apply Loctite™ 242 to plug and cap.
4. Screw the tester into the breaker charge valve by
turning the chuck. Do not use the gauge for turn-
ing as this will advance the plunger in the chuck.
Tighten the chuck lightly against the breaker charge
valve.
5. Turn the gauge clockwise to advance the plunger
until a pressure is indicated on the gauge. Do not
overtighten.
Nitrogen Bottle
(locally obtained)
IMPORTANT
Charge Valve Plug
See Specifications page for correct
charge pressure
505232 Charge Hose Assy
(Includes gauge, valve, hose
and charge valve adapter)
Figure 22. Charging the Main Accumulator
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CHARGING THE SIDE ACCUMULATOR
The tools required to charge the breaker are shown be- 6. If the pressure is correct, turn the charge valve
clockwise until it stops and then tighten slightly. Un-
screw the tester and reinstall the plug and cap. If the
pressure is not correct, proceed to Step 7.
low. The 33464 adapter and 33300 adapter assembly
can be obtained individually or in a kit (P/N 33465). Note
that the adapter and adapter assembly are designed to
be used with the 505232 charge hose assembly and
the 28257 accumulator tester which are used with other
Stanley model breakers. When charging the breaker,
make sure the tools and charge valve are clean. Dirt can
contaminate the charge valve and cause leakage.
7. Connect the charge hose assembly to the charg-
ing valve on the tester. Make sure the valve on the
charge hose assembly is closed. Open the valve on
the nitrogen bottle.
8. Very slowly open the valve on the charge hose as-
sembly and slowly meter the nitrogen into the break-
er charge valve until the tester reads the correct
charge pressure.
1. Remove the protective plug from the accumulator
cover.
2. Screw the adapter assembly (P/N 33464) onto the
9. When the correct pressure is obtained, close the
valve on the charge hose assembly and on the ni-
trogen bottle. Turn the charge valve clockwise until it
stops and then tighten slightly. Unscrew and remove
the charge hose assembly. Unscrew and remove
the tester. Apply Loctite™ 242 and reinstall the plug
and cap.
tester (P/N 28257) and tighten it.
3. Hold the chuck end of the tester and turn the gauge
fully clockwise until the gauge stops turning. Do not
tighten.
4. Screw the tester into the threaded hole, in place of
the removed protective plug, by turning the chuck.
Do not use the gauge for turning. Tighten the chuck
lightly to ensure a good seal.
5. Remove the cap and then turn the charge valve 1
to 2 turns counter clockwise until a pressure is indi-
cated on the gauge.
Nitrogen Bottle
(locally obtained)
CHARGE PRESSURE FOR THE
SIDE ACCUMULATOR
Charge Valve Plug
Cap
60 bar ± .5
870 psi ± 8
Charge Valve
505232 Charge Hose Assy
(Includes gauge, valve, hose
and charge valve adapter)
33464 Adapter
IMPORTANT
See Specifications page for correct
charge pressure
28257 Tester
Figure 23. Charging the Side Accumulator
MAXFORCE BREAKER User Manual ◄ 27
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RECOMMENDED TORQUE VALUES
TIE ROD NUT (A)
FLANGE ADAPTER
BOLT (B)
VALVE COVER BOLT (C)
VALVE HOUSING
BOLT (D)
ACCUMULATOR
BOLT (E)
ACCUMULATOR
CAP & PLUG (G)
ACCUMULATOR
COVER BOLT (F)
Part Name
MBX138
MBX208
MBX258
MBX308
MBX358
MBX408
MBX458
MBX608 APPLY
Tie Rod Nut
150 kg-m
250 kg-m
280 kg-m
300 kg-m
330 kg-m
420 kg-m
420 kg-m 470 kg-m
Kopr-
Kote™
A
,
¹ ²
1085 ft lbs 1808 ft lbs 2025 ft lbs 2170 ft lbs 2387 ft lbs 3038 ft lbs 3038 ft lbs 3400 ftlbs
Flange
Adapter
Bolt ¹
20 kg-m
145 ft lbs
20 kg-m
145 ft lbs
20 kg-m
145 ft lbs
20 kg-m
145 ft lbs
B
—
—
—
—
—
—
—
35 kg-m
Valve Cover
35 kg-m
253 ft lbs
35 kg-m
253 ft lbs
C
—
—
Bolt
253 ft lbs
Valve Hous-
ing Bolt ¹
50 kg-m
361 ft lbs
50 kg-m
361 ft lbs
50 kg-m
361 ft lbs
D
E
F
—
—
—
—
—
—
—
—
—
—
—
—
Accumulator
Bolt ¹
60 kg-m
434 ft lbs
60 kg-m
434 ft lbs
60 kg-m
434 ft lbs
60 kg-m
434 ft lbs
60 kg-m
434 ft lbs
Accumulator
Cover Bolt ¹
30 kg-m
217 ft lbs
35 kg-m
253 ft lbs
35 kg-m
253 ft lbs
35 kg-m
253 ft lbs
35 kg-m
253 ft lbs
Loctite™
242
Figure B
Pre Torque Setting
Accumulator
Cap & Plug
10 kg-m
72 ft lbs
10 kg-m
72 ft lbs
10 kg-m
72 ft lbs
10 kg-m
72 ft lbs
10 kg-m
72 ft lbs
G
¹ Tighten in a cross pattern
² Pre-torque to 360 ft. lb./488 Nm
The torque values for TIE RODS NUTS in the above charts are
intended to be used with a torque multiplier.
The following procedure is the recommended procedure for tie
rod torque and may be tightened to the specified torque using the
following procedure (see figure A & B).
Recommended Tie Rod Torque Procedure
Figure A
1. Thread tie rod into lower nut by hand until it bottoms out. Then install
the upper tie rod nut and install all the way down until contacts the top
of the main accumulator, then hold the upper nut from turning and with
a wrench turn just the tie rod until it has a gap as shown in figure B
above (0 - 1.5mm / 0 - 0.059 in., top of tie rod flush or just below top
of upper tie rod nut).
2. Pre-torque the upper tie rod nuts to 360 ft. lb. / 488 Nm using a cross
pattern as shown in the illustration at the left.
120°
3. Using the illustration as a guide, mark a line on each nut and designate
it as (A).
150°
4. Using the illustration as a guide, measure the degrees indicated in the
chart, for the specific model breaker, from point (A) to point (B) and
make a mark near the nut. For example: If working with an MBX208,
the degrees listed in figure A for turning the nut to achieve the final
torque are listed as 110-120. Make a mark on one point of the nut and
designate that point as (A). Measure 110-120 degrees clockwise of
point (A) and make a mark next to the nut. Designate that point as (B).
Turn the nut clockwise until point (A) and point (B) line up.
MBX208
MBX258
MBX308
MBX408
MBX458
MBX608
MBX358
MBX138
120°-130° 110°-120°
160°-170° 170°-180° 170°-180°
5. Continue this procedure in a cross pattern on all 4 nuts.
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BOLT PATTERNS
M TYP
See chart below for housing to mounting
bracket bolt torque
N
H
This side faces excavator
A
G
F
D TYP
E
I
J
K
NOTE:
L
Bottom of bracket must be flat
within .020 inches/.51 mm after
welding.
B
MBX258
MBX308
MBX358
MBX138
MBX208
MBX408
MBX458
MBX608
A
B
19.606 in. / 498 mm
25.197 in. / 640 mm
1.000 in. / 25 mm
1.102 in. / 28 mm
1.772 in. / 45 mm
4.803 in. / 122 mm
11.260 in. / 286 mm
16.063 in. / 408 mm
1.772 in. / 45 mm
7.087 in. / 180 mm
14.567 in. / 370 mm
21.654 in. / 550 mm
1.575 in. / 40 mm
23.228 in. / 590 mm
29.921 in. / 760 mm
1.000 in. / 25 mm
1.024 in. / 26 mm
1.614 in. / 41 mm
6.654 in. / 169 mm
13.346 in. / 339 mm
20.000 in. / 508 mm
1.378 in. / 35 mm
8.858 in. / 225 mm
18.307 in. / 465 mm
27.165 in. / 690 mm
1.181 in. / 30 mm
27.953 in. / 710 mm
32.283 in. / 820 mm
1.500 in. / 38 mm
1.496 in. / 38 mm
1.575 in. / 40 mm
7.874 in. / 200 mm
16.929 in. / 430 mm
24.803 in. / 630 mm
1.575 in. / 40 mm
9.646 in. / 245 mm
19.488 in. / 495 mm
29.134 in. / 740 mm
1.575 in. / 40 mm
29.921 in. / 760 mm
35.276 in. / 896 mm
1.500 in. / 38 mm
1.496 in. / 38 mm
2.362 in. / 60 mm
8.661 in. / 220 mm
16.535 in. / 420 mm
25.197 in. / 640 mm
2.362 in. / 60 mm
10.157 in. / 258 mm
20.394 in. / 518 mm
30.551 in. / 776 mm
1.575 in. / 40 mm
Thickness
D
E
F
G
H
I
J
K
L
M
(N) Mounting
Bracket Bolt
Torque
60 kg-m / 434 ft lbs
60 kg-m / 434 ft lbs
160 kg-m / 1157 ft lbs
ACCESSORIES
Attaching Kits.................................................................................................................................................................................... Consult Dealer
Charge Hose Assy (Valve, Hose, for nitrogen tank & charge valve connections) ........................................................................................ 505232
Adapter Assy (Required to charge main accumulator)................................................................................................................................... 33300
Adapter (Short) (Required to Charge Main Accumulator on MBX15)............................................................................................................. 33464
Charge Adapter Kit (Includes 33300 & 33464)............................................................................................................................................... 33465
Charge Kit Assembly (Includes 505232 hose, 28257 Tester, and 372047 Box)............................................................................................. 34892
Accumulator Tester......................................................................................................................................................................................... 28257
Eyebolt, M12................................................................................................................................................................................................... 32606
Eyebolt, M16................................................................................................................................................................................................... 32607
Eyebolt, M20................................................................................................................................................................................................... 32608
Eyebolt, M24................................................................................................................................................................................................... 52729
Eyebolt, M30................................................................................................................................................................................................... 28547
Operation Manual........................................................................................................................................................................................... 71554
MAXFORCE BREAKER User Manual ◄ 29
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MBX408 - MBX458 UPPER BUMPER
OLD
NEW
March 2012 and earlier
April 2012
MBX408 Serial Number 40B 10G11 thru 11A10, 40C
MBX408 Serial Number 40C 12A07 & UP
11F21 thru 12B05
MBX458 Serial Number 45C 12A01 thru 12A07, and
12D & UP
MBX458 Serial Number 45B 10G10 thru 11B06, 45C
11i06 thru 11L24, 45C 12A08
ITEM
PART NAME
PART NO. QTY
ITEM
PART NAME
PART NO. QTY
UPPER BUMPER
SUPPORT
8A
UPPER BUMPER
72984
1
3
8
69418
69419
1
1
UPPER BUMPER
PLUG
8B
72985
2
UPPER BUMPER
NOTE: This change on the MBX408 and MBX458 from old to new upper bumper hap-
pened in April 2012. If ordering the new items 8A and 8B your mounting bracket must
have the two pins installed in the mounting bracket (see page 31)
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MBX 408, 458, 608 COVER PLATE
COVER PLATE MBX408 & MBX458
COVER PLATE MBX608
MAXFORCE BREAKER User Manual ◄ 31
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FLOW TEST PROCEDURES
The correct performance of this procedure will verify if NOTE:
the auxiliary circuit of the carrier is adequate to properly
operate a Stanley attachment.
The relief valve pressure must be greater than the
operating pressure of the attachment and three
This procedure is generic in form. It is the end users times the back-pressure. Never use the relief valve
responsibility to ensure that this procedure will work with to control the flow rate in the circuit. Cracking pres-
his specific type of equipment.
sure means the loss of 4 or more GPM.
If an adequate flow meter is not available contact your Record the relief cracking pressure
psi.
Stanley Hydraulic Distributor for assistance.
Example:
TEST PROCEDURE
1. With the auxiliary circuit (or kit) completely installed
connect the flow meter between the tool inlet and
outlet hoses.
Operation pressure of a breaker is 2700 psi. Back-pres-
sure is 150 psi. A good rule to follow when setting the
relief, multiply the back pressure by 3 then add this num-
ber to the operation pressure of the attachment.
Operating Pressure
Back-pressure
2700 psi
450 psi
NOTE:
Always use the hoses that are supplied for the at-
tachment and make sure the machine hydraulic
oil is between 90 to 120 °F. This will assure correct
readings and adjustments.
Operating pressure of the tool
3150 psi
The relief valve setting must be greater than the estimat-
ed operating pressure of the tool. If the setting is lower,
damage to the circuit may occur. Excess heat will be
generated in the circuit which will damage the attach-
ment and carrier.
2. With the machine setting at the mode that’s going to
be used to operate the attachment record the GPM
_____.
Locate the correct flow for the attachment in the
manual under the specification section. Adjust the
machine to the correct GPM.
HEAT LOAD TEST
With the installation kit properly installed and adjusted
per the above procedure, conduct the heat load test as
follows.
NOTE:
If possible, always set the machine to the highest
GPM output mode. This will prevent the operator
from over flowing the attachments.
1. Connect the flow meter between the tool inlet and
outlet hoses.
2. With the carrier set in the attachment mode, re-
strict the flow meter until a pressure of 1000 psi
is achieved. This pressure must be maintained
throughout the heat test.
3. Once the correct GPM flow is achieved fully open
the restrictor on the flow meter.
4. With the machine in the attachment mode set in
step 2 record the back-pressure. At this point the
pressure reading on the pressure gauge is the back-
pressure in the circuit. This pressure must not ex-
ceed 200 psi/13.5 bar.
NOTE:
Closing of the restrictor may be required as the tem-
perature increases.
Monitor the oil temperature from the flow meter until
no change is noted. Record the time required for oil to
stabilize. Record the surrounding temperature (ambi-
ent temperature). Record the time required to stabilize
minutes.
Excessive back-pressure will slow the attachments
operation and lead to premature seal failures and
over heating.
Record the back-pressure
psi.
5. Close the restrictor valve on the flow meter until the
attachment relief starts to crack or open. The relief
valve opens when the flow rate (GPM), indicated on
the flow meter begins to decline rapidly. Locate the
tools operating system relief pressure in the specifi-
cation section in the manual. Adjust attachment re-
lief to specification.
Record the stabilized oil temperature
Record the ambient temperature
°F.
°F.
The “heat rise” is calculated as the stabilized tempera-
ture minus the ambient temperature.
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SPECIFICATIONS
NOTE:
Weights, dimensions and
operating specifications list-
ed on this sheet are subject
to change without notice.
Where specifications are
critical to your application,
please consult the factory.
MAXFORCE BREAKER User Manual ◄ 33
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MBX138 POWER CELL ILLUSTRATION
FOR ITEMS 39 AND
39A SEE PARTS LIST
FOR CORRECT ITEM
FOR YOUR SERIAL
NUMBER
72332 Tie
Rod Kit
FOR THESE TWO
ITEMS SEE 39A ON
PARTS LIST. NOTE:
THESE TWO PARTS
ONLY USED WITH
ITEM 39 NOT 39A
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MBX138 POWER CELL PARTS LIST
ITEM P/N
QTY DESCRIPTION
MAIN ACCUMULATOR
ITEM P/N
72332
QTY DESCRIPTION
1
68677
1
3
1
1
1
1
1
3
1
3
2
2
2
2
1
1
1
1
2
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
1
TIE ROD KIT (INCL ONE EACH OF
ITEMS 43 THRU 46)
2
68878
68679
68680
68681
73467
73474
68684
68685
68686
68687
68688
68689
68690
68691
68692
68693
68694
68695
68696
68697
68698
68699
68700
68701
68702
68703
71629
68705
68706
68707
68708
68709
68710
O-RING
43
44
45
46
48
68713
68714
68715
68716
71631
71634
71633
71630
71632
4
4
4
4
1
1
1
1
1
TIE ROD
3
CHARGE VALVE
PLUG
LOWER TIE ROD NUT
4
TIE ROD WASHER
5
O-RING
UPPER TIE ROD NUT
6A
7A
8
CYLINDER
PISTON
TOOL BIT MBX138 CROSS CUT CHISEL
TOOL BIT MBX138 MOIL
TOOL BIT MBX138 BLUNT
TOOL BIT MBX138 CONICAL
TOOL BIT MBX138 LINE CUT CHISEL
PLUG
9A
10
11
12
13
14
20
21
22
23
24
25
26
27
28
29
30
31
32
33B
34
35
36
37
38
39
PLUG
O-RING
DOWEL PIN
ADAPTER
68721
SEAL KIT
O-RING
ADAPTER CAP
SEAL BUFFER
SEAL, U-CUP
SEAL, DUST
SEAL CARRIER
SEAL, U CUP
SEAL, GAS
VALVE SLEEVE
VALVE
VALVE CAP
O-RING
O-RING
LOWER BODY
TOOL STOP
LOWER BUSHING MBX138
RETAINER PIN
RETAINER PIN
RUBBER PLUG
RUBBER PLUG
SNAP RING
TOOL RETAINER PIN (USED ON
BREAKERS WITH S/N-12A 13I04 AND
BELOW) NOTE: ITEMS 34 & 36 ARE
USED WITH THIS RETAINER PIN.
39A
73452
2
TOOL RETAINER PIN (USED ON
BREAKERS WITH S/N-12A 13I05 AND
ABOVE) NOTE: ITEMS 34 & 36 ARE
NOT USED WITH THIS RETAINER PIN.
41
68711
68712
69102
2
1
2
GREASE NIPPLE
PLUG
42
42A
PLUG
MAXFORCE BREAKER User Manual ◄ 35
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MBX138 HOUSING PARTS
*
73488 Housing
Flange Bolt Kit
NOTE: BREAKERS
WITH S/N 12A 13I04
AND BELOW USE A
QTY OF 2 OF ITEM
# 3 WEAR PLATES.
(S/N 12A 13I05 AND
ABOVE USE ITEM-3
AND 3A ONE EACH).
ITEM P/N
QTY DESCRIPTION
ITEM P/N
QTY DESCRIPTION
20A
21
22
23A
29
30
31
32
40
41
42
43
72256
12
12
12
12
2
CAPSCREW
WASHER
1
72271
1
1
POWER CELL
HOUSING
68741
68742
73483
68744
71671
68746
68747
71636
71637
71638
71639
68748
72079
72082
47351
68769
68771
68773
72097
68780
2
72273
72287
73451
72269
68726
72270
68728
68729
68730
68731
68732
68733
71635
58734
68735
68736
68737
68738
68739
73488
LOCK WASHER
NYLON NUT
3
1 / 2 WEAR PLATE (SEE NOTE ABOVE)
3A
4
1
2
3
1
1
1
2
1
1
1
1
1
1
2
8
9
8
1
WEAR PLATE (SEE NOTE ABOVE)
WEAR PLATE
TOOL RETAINER PLUG
TOOL PIN RETAINER PLATE
CAPSCREW
1
5
WEAR PLATE
8
6
LOWER BUMPER
UPPER BUMPER
GUIDE PIN
8
LOCK WASHER
7
2
RUBBER PLUG
8
4
RUBBER PLUG
9
WEAR BUSHING
STOP RING
1
RUBBER PLUG
10
11
12
12A
13
14
15
16
17
18
2
RUBBER PLUG
CAPSCREW
2
LABEL, STANLEY MBX138
LABEL, MAXFORCE MBX138
LABEL, MBX138
HEX NUT
2
NYLON NUT
2
UPPER WINDOW COVER
LOWER WINDOW COVER
RUBBER BOOT
CAPSCREW
1
LABEL, WARNING
1
LABEL, NITROGEN 17 BAR
LABEL, GREASE
1
1
LABEL, LIFT POINT
LABEL, SOUND POWER 116 DBA
LABEL, CE SPEC PLATE 138
LOCK WASHER
WASHER
1
1
HOUSING FLANGE BOLT KIT (INCL
ONE EA OF ITEMS 20A THRU 23A)
*
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MBX208 POWER CELL ILLUSTRATION
FOR ITEMS 40 AND
40A SEE PARTS LIST
FOR CORRECT ITEM
FOR YOUR SERIAL
72334 Tie
Rod Kit
NUMBER
FOR THESE TWO
ITEMS SEE 40A ON
PARTS LIST. NOTE:
THESE TWO PARTS
ONLY USED WITH
ITEM 40 NOT 40A
MAXFORCE BREAKER User Manual ◄ 37
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MBX208 POWER CELL PARTS LIST
ITEM P/N
QTY DESCRIPTION
MAIN ACCUMULATOR
ITEM P/N
QTY DESCRIPTION
1
68801
1
1
1
1
1
1
1
3
1
3
2
2
2
2
1
1
1
1
1
1
1
1
1
2
1
2
1
1
1
1
1
1
1
1
2
2
2
2
2
40
68834
2
TOOL RETAINER PIN (USED ON
BREAKERS WITH S/N-17E 14A00 AND
BELOW) NOTE: ITEMS 35 & 37 ARE
USED WITH THIS RETAINER PIN.
2
68802
68679
68680
68681
73468
73475
68805
68685
68806
68687
68807
68808
68809
68810
68811
71640
68812
68813
68814
68815
68816
68817
68818
68819
68820
68821
68822
68823
68824
68825
71641
68827
71642
68829
68830
68831
68832
68833
O-RING
3
CHARGE VALVE
PLUG
40A
73454
2
TOOL RETAINER PIN (USED ON
4
BREAKERS WITH S/N-17E 14A01 AND
ABOVE) NOTE: ITEMS 35 & 37 ARE NOT
USED WITH THIS RETAINER PIN.
5
O-RING
6A
7A
8
CYLINDER
42
68711
68712
69102
72334
2
2
2
1
GREASE NIPPLE
PLUG
PISTON
43
PLUG
43A
PLUG
9A
10
11
12
13
14
15
16
16A
17
18
19A
20
21
22
23
24
26
27
28
29
30
31
32A
33
34B
35
36
37
38
39
PLUG
TIE ROD KIT (INCL ONE EACH OF
ITEMS 44, 45A, 46 AND 47)
O-RING
DOWEL PIN
ADAPTER
44
68835
71643
68837
68838
71645
71648
71647
71644
71646
4
4
4
4
1
1
1
1
1
TIE ROD
45A
46
LOWER TIE ROD NUT MBX208
TIE ROD WASHER
O-RING
ADAPTER CAP
CYLINDER ADJUSTER
ADJUSTER NUT
LOCK WASHER
O-RING
47
UPPER TIE ROD NUT
49
TOOL BIT MBX208 CROSS CUT CHISEL
TOOL BIT MBX208 MOIL
TOOL BIT MBX208 BLUNT
TOOL BIT MBX208 CONICAL
TOOL BIT MBX208 LINE CUT CHISEL
BACK-UP RING
SEAL, BUFFER
SEAL, U-CUP
SEAL, DUST
SEAL, CARRIER
SEAL, STEP
SEAL, GAS
O-RING
68843
1
SEAL KIT
VALVE SLEEVE
VALVE
VALVE CAP
O-RING
O-RING
LOWER BODY MBX208
TOOL STOP
LOWER BUSHING
RETAINER PIN
RETAINER PIN
RUBBER PLUG
RUBBER PLUG
SNAP RING
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MBX208 HOUSING PARTS
*
72335 Housing
Flange Bolt Kit
NOTE: BREAKERS
WITH S/N 17E 14A00
AND BELOW USE A
QTY OF 2 OF ITEM
# 3 WEAR PLATES.
(S/N 17E 14A01 AND
ABOVE USE ITEM-3
AND 3A ONE EACH).
ITEM
P/N
QTY DESCRIPTION
1 HOUSING FLANGE BOLT KIT (INCL
72335
*
ITEM
1
P/N
QTY DESCRIPTION
ONE EA OF ITEMS 20 THRU 23)
72274
72296
71649
1
1
1
POWER CELL
20
21
22
23
29
30
31
32
40
41
42
43
68740 12
68741 12
68742 12
68743 12
CAPSCREW
2
HOUSING
WASHER
2A
3
UPPER BUMPER SUPPORT
LOCK WASHER
72275 1 / 2 WEAR PLATE (SEE NOTE ABOVE)
NYLON NUT
3A
4
73453
72276
68849
72277
68851
68852
68853
68854
68855
68733
71635
68857
68858
68859
68737
68738
68739
1
2
3
1
1
1
2
1
1
1
1
1
1
2
8
9
8
WEAR PLATE (SEE NOTE ABOVE)
WEAR PLATE
68860
71672
68746
68747
71636
71650
71638
71651
68749
72079
72083
47351
68769
68771
68773
72096
68781
2
1
8
8
2
4
1
2
2
2
2
1
1
1
1
1
1
TOOL RETAINER PLUG
TOOL PIN RETAINER PLATE
CAPSCREW
5
WEAR PLATE
6
LOWER BUMPER
UPPER BUMPER
GUIDE PIN
LOCK WASHER
7
RUBBER PLUG
8
RUBBER PLUG
9
WEAR BUSHING
STOP RING
RUBBER PLUG
10
11
12
12A
13
14
15
16
17
18
RUBBER PLUG
CAPSCREW
LABEL, STANLEY MBX208
LABEL, MAXFORCE MBX208
LABEL, MBX208
HEX NUT
NYLON NUT
UPPER WINDOW COVER
LOWER WINDOW COVER
RUBBER BOOT
CAPSCREW
LABEL, WARNING
LABEL, NITROGEN 17 BAR
LABEL, GREASE
LABEL, LIFT POINT
LABEL, SOUND POWER 115 DBA
LABEL, CE SPEC PLATE, 208
LOCK WASHER
WASHER
MAXFORCE BREAKER User Manual ◄ 39
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MBX258 POWER CELL ILLUSTRATION
FOR ITEMS 40 AND
40A SEE PARTS LIST
FOR CORRECT ITEM
FOR YOUR SERIAL
NUMBER
72336 Tie
Rod Kit
FOR THESE TWO
ITEMS SEE 40A ON
PARTS LIST. NOTE:
THESE TWO PARTS
ONLY USED WITH
ITEM 40 NOT 40A
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MBX258 POWER CELL PARTS LIST
ITEM P/N
QTY DESCRIPTION
MAIN ACCUMULATOR
ITEM P/N
QTY DESCRIPTION
1
68864
1
1
1
1
1
1
1
3
1
3
2
2
2
2
1
1
1
2
1
1
1
1
1
2
1
1
2
1
1
1
1
1
1
1
1
2
2
2
2
2
40
68898
2
TOOL RETAINER PIN (USED ON
BREAKERS WITH S/N-19E 14A00 AND
BELOW) NOTE: ITEMS 35 & 37 ARE
USED WITH THIS RETAINER PIN.
2
68865
68679
68680
68681
73469
68867
68868
68685
68869
68687
68871
68872
68873
68874
68875
72255
68876
68877
68878
68879
68880
68881
68882
72261
68883
68884
68885
68886
68887
68888
68889
71652
68891
71653
68893
68894
68895
68896
68897
O-RING
3
CHARGE VALVE
PLUG
40A
73456
2
TOOL RETAINER PIN (USED ON
4
BREAKERS WITH S/N-19E 14A01 AND
ABOVE) NOTE: ITEMS 35 & 37 ARE
NOT USED WITH THIS RETAINER PIN.
5
O-RING
6A
7
CYLINDER
42
68711
68712
69102
72336
2
2
1
1
GREASE NIPPLE
PLUG
PISTON
43
8
PLUG
43A
PLUG
9A
10
12
13
14
15
16
17
17A
18
19
20
21
22
23
24
24A
25
26
27
28
29
30
31
32A
33
34B
35
36
37
38
39
PLUG
TIE ROD KIT (INCL ONE EACH OF
ITEMS 44, 45A, 46 & 47)
O-RING
DOWEL PIN
ADAPTER
44
68899
71654
68901
68902
71656
4
4
4
4
1
TIE ROD
45A
46
LOWER TIE ROD NUT MBX258
TIE ROD WASHER
UPPER TIE ROD NUT
O-RING
ADAPTER CAP
CYLINDER ADJUSTER
ADJUSTER NUT
LOCK WASHER
O-RING
47
49
TOOL BIT MBX258 CROSS CUT
CHISEL
71659
71658
71655
71657
1
1
1
1
TOOL BIT MBX258 MOIL
TOOL BIT MBX258 BLUNT
BACK-UP RING
SEAL, BUFFER
SEAL, U-CUP
SEAL, DUST
SEAL CARRIER
SEAL, STEP
BUFFER RING
SEAL, GAS
O-RING
TOOL BIT MBX258 CONICAL
TOOL BIT MBX258 LINE CUT CHISEL
68907
1
SEAL KIT
VALVE SLEEVE
VALVE
VALVE CAP
O-RING
O-RING
LOWER BODY MBX258
TOOL STOP
LOWER BUSHING
RETAINER PIN
RETAINER PIN
RUBBER PLUG
RUBBER PLUG
SNAP RING
MAXFORCE BREAKER User Manual ◄ 41
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MBX258 HOUSING PARTS
*
72337 Housing
Flange Bolt Kit
NOTE: BREAKERS
WITH S/N 19E 14A00
AND BELOW USE A
QTY OF 2 OF ITEM
# 4 WEAR PLATES.
(S/N 19E 14A01 AND
ABOVE USE ITEM-4
AND 4A ONE EACH).
ITEM P/N
QTY DESCRIPTION
19
68926
10
1
WASHER
72337
HOUSING FLANGE BOLT KIT (INCL
ONE EA OF ITEMS 21 THRU 23 & TWO
EA OF ITEM 24)
*
ITEM P/N
QTY DESCRIPTION
1
72278
1
POWER CELL
21
22
23
24
30
31
32
33
40
41
42
43
72256
68741
68742
72257
68927
71673
68746
68747
71636
71650
71638
71651
68750
72080
72084
47351
68769
68771
68773
72098
68797
12
12
12
24
2
CAPSCREW
2
72279
68910
72280
73455
72281
68913
72282
68915
68916
68917
68918
68919
68733
71635
68738
68921
72283
68923
68924
68925
1
HOUSING
WASHER
3
1
UPPER BUMPER SUPPORT
WEAR PLATE (SEE NOTE ABOVE)
WEAR PLATE (SEE NOTE ABOVE)
WEAR PLATE
LOCK WASHER
4
1 / 2
1
NUT
4A
5
TOOL RETAINER PLUG
TOOL PIN RETAINER PLATE
CAPSCREW
2
1
6
3
WEAR PLATE
8
7
1
LOWER BUMPER
UPPER BUMPER
GUIDE PIN
8
LOCK WASHER
8
1
2
RUBBER PLUG
9
1
4
RUBBER PLUG
10
11
12
13
13A
13B
14
15
16
17
18
2
WEAR BUSHING
STOP RING
1
RUBBER PLUG
1
2
RUBBER PLUG
1
CAPSCREW
2
LABEL, STANLEY MBX258
LABEL, MAXFORCE MBX258
LABEL, MBX258
1
HEX NUT
2
1
NYLON NUT
2
1
LOCK WASHER
1
LABEL, WARNING
LABEL, NITROGEN 17 BAR
LABEL, GREASE
1
UPPER WINDOW COVER
LOWER WINDOW COVER
RUBBER BOOT
1
1
1
2
1
LABEL, LIFT POINT
LABEL, SOUND POWER 120 DBA
LABEL, CE SPEC PLATE, 258
10
10
CAPSCREW
1
LOCK WASHER
1
42 ► MAXFORCE BREAKER User Manual
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MBX308 POWER CELL ILLUSTRATION
FOR ITEMS 40 AND
40A SEE PARTS LIST
FOR CORRECT ITEM
72338 Tie
Rod Kit
FOR YOUR SERIAL
NUMBER
FOR THESE TWO
ITEMS SEE 40A ON
PARTS LIST. NOTE:
THESE TWO PARTS
ONLY USED WITH
ITEM 40 NOT 40A
MAXFORCE BREAKER User Manual ◄ 43
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MBX308 POWER CELL PARTS LIST
ITEM P/N
QTY DESCRIPTION
MAIN ACCUMULATOR MBX308
ITEM P/N
QTY DESCRIPTION
1A
2
71660
1
1
1
1
1
1
1
4
1
4
—
2
2
2
2
1
1
1
2
1
1
1
1
1
2
1
1
2
1
1
1
1
1
1
1
1
2
2
2
2
2
40
68973
2
TOOL RETAINER PIN (USED ON
BREAKERS WITH S/N-24D 14A00 AND
BELOW) NOTE: ITEMS 35 & 37 ARE
USED WITH THIS RETAINER PIN.
68941
68679
68680
68681
73470
68943
71662
68685
68945
—
O-RING
3
CHARGE VALVE
PLUG
40A
73458
2
TOOL RETAINER PIN (USED ON
4
BREAKERS WITH S/N-24D 14A01 AND
ABOVE) NOTE: ITEMS 35 & 37 ARE
NOT USED WITH THIS RETAINER PIN.
5
O-RING
6B
7
CYLINDER
PISTON
42
68711
68712
69102
72338
2
1
1
1
GREASE NIPPLE
PLUG
43
8A
9A
10
11
PLUG
43A
PLUG
PLUG
TIE ROD KIT (INCL ONE EACH OF
ITEMS 44, 45A, 46 & 47)
O-RING
NO ITEM
44
45A
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
60A
61
63
68974
71665
68976
68977
68978
68979
68980
68981
68982
68983
68984
68985
68986
68987
4
4
4
4
1
1
1
1
1
1
1
1
1
1
TIE ROD
12
13
14
15
16
17
17A
18
19
20
21
22
23
24
24A
25
26
27A
28A
29A
30A
31A
32A
33
34B
35
36
37
38
39
68687
68947
68948
68949
68950
68951
72255
68952
68953
68954
68955
68956
68957
68958
72261
68959
68960
68885
68886
68887
68888
68889
71663
68967
71664
68969
68894
68970
68971
68972
DOWEL PIN
ADAPTER
LOWER TIE ROD NUT MBX308
TIE ROD WASHER
UPPER TIE ROD NUT
ACCUMULATOR COVER
ACCUMULATOR BOWL
DIAPHRAGM
O-RING
ADAPTER CAP
CYLINDER ADJUSTER
ADJUSTER NUT
LOCK WASHER
O-RING
DIAPHRAGM SCREEN ASSY
BACK-UP RING
O-RING
BACK-UP RING
SEAL, BUFFER
SEAL, U-CUP
SEAL, DUST
SEAL CARRIER
SEAL, STEP
BUFFER RING
SEAL, GAS
O-RING
CHARGE VALVE
CHARGE VALVE CAP
O-RING
PLUG
68988 12
CAPSCREW
68989
68990
72101
68991
71667
2
4
4
4
1
O-RING
CAPSCREW
NORD LOCK WASHER
HELICOIL
VALVE SLEEVE
VALVE
TOOL BIT MBX308 CROSS CUT
CHISEL
VALVE CAP
O-RING
71670
71669
71666
71668
1
1
1
1
TOOL BIT MBX308 MOIL
O-RING
TOOL BIT MBX308 BLUNT
LOWER BODY
TOOL STOP
LOWER BUSHING
RETAINER PIN
RETAINER PIN
RUBBER PLUG
RUBBER PLUG
SNAP RING
TOOL BIT MBX308 CONICAL
TOOL BIT MBX308 LINE CUT CHISEL
68996
1
SEAL KIT
44 ► MAXFORCE BREAKER User Manual
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MBX308 HOUSING PARTS
*
72337 Housing
Flange Bolt Kit
NOTE: BREAKERS
WITH S/N 24D 14A00
AND BELOW USE A
QTY OF 2 OF ITEM
# 4 WEAR PLATES.
(S/N 24D 14A01 AND
ABOVE USE ITEM-4
AND 4A ONE EACH).
ITEM P/N
QTY DESCRIPTION
72337
1
HOUSING FLANGE BOLT KIT (INCL 1
EA OF ITEMS 21 THRU 23 AND 2 EA
OF ITEM 24)
*
ITEM P/N
QTY DESCRIPTION
21
22
23
24
30
31
32
33
40
41
42
43
72256
68741
68742
72257
69056
71674
68746
68747
71636
71650
71638
71651
68751
72080
72085
47351
68769
68770
68771
68772
68773
72098
68798
12
12
12
24
2
CAPSCREW
1
68997
1
1
1
POWER CELL
WASHER
2
72297
68999
72284
73457
72285
69005
72286
69007
69009
69013
69014
69052
68733
71635
68738
69054
69055
68923
68924
68925
68926
HOUSING
LOCK WASHER
3
UPPER BUMPER SUPPORT
NUT
4
1 / 2 WEAR PLATE (SEE NOTE ABOVE)
TOOL RETAINER PLUG
TOOL PIN RETAINER PLATE
CAPSCREW
4A
5
1
WEAR PLATE (SEE NOTE ABOVE)
WEAR PLATE
1
2
8
6
3
WEAR PLATE
8
LOCK WASHER
7
1
LOWER BUMPER
UPPER BUMPER
GUIDE PIN
2
RUBBER PLUG
8
1
4
RUBBER PLUG
9
1
1
RUBBER PLUG
10
11
12
13
13A
13B
14
15
16
17
18
19
2
WEAR BUSHING
STOP RING
2
RUBBER PLUG
1
2
LABEL, STANLEY MBX308
LABEL, MAXFORCE MBX308
LABEL, MBX308
1
CAPSCREW
2
1
NUT
2
1
NYLON NUT
1
LABEL, WARNING
LABEL, NITROGEN 17 BAR
LABEL, NITROGEN 60 BAR
LABEL, GREASE
1
SPRING WASHER
UPPER WINDOW COVER
LOWER WINDOW COVER
RUBBER BOOT
CAPSCREW
1
1
1
1
1
2
1
LABEL, HIGH GAS PRESSURE
LABEL, LIFT POINT
LABEL, SOUND POWER
LABEL, CE SPEC PLATE 308
10
10
10
1
LOCK WASHER
WASHER
1
1
NOTE: See pages 7 & 8 for sticker information and part numbers.
MAXFORCE BREAKER User Manual ◄ 45
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MBX358 POWER CELL ILLUSTRATION
FOR ITEMS 69 AND
69A SEE PARTS LIST
FOR CORRECT ITEM
FOR YOUR SERIAL
NUMBER
72340 Tie
Rod Kit
FOR THESE TWO
ITEMS SEE 69A ON
PARTS LIST. NOTE:
THESE TWO PARTS
ONLY USED WITH
ITEM 69 NOT 69A
46 ► MAXFORCE BREAKER User Manual
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MBX358 POWER CELL PARTS LIST
ITEM P/N
QTY DESCRIPTION
MAIN ACCUMULATOR
ITEM P/N
69111
QTY DESCRIPTION
1
69061
1
1
2
2
2
2
8
2
2
1
1
1
1
1
4
2
8
8
1
1
1
5
2
1
4
1
2
1
1
1
1
2
3
2
1
1
1
1
1
1
2
3
1
1
4
8
1
1
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
64A
65A
66
67B
68
69
3
1
2
1
1
3
1
1
1
1
1
1
1
1
1
1
O-RING
2
69062
69065
69067
72102
69068
69069
68809
68807
68679
68680
69073
69074
73476
69076
68687
68991
69077
69078
69079
69080
69081
69082
69083
69085
69086
69087
69088
69089
69091
69092
69093
69094
69095
69096
73477
69098
69099
69100
69101
69102
69103
69104
69105
69106
69107
69109
69110
O-RING
69112
69113
69114
69115
69116
69117
69118
69119
68981
68982
68983
68985
68984
68986
68987
O-RING
3
FLANGE ADAPTER
BACK UP RING
O-RING
O-RING
4
VALVE ADJUSTER
BACK UP RING
O-RING
4A
5
O-RING
6
CAPSCREW
ADAPTER CAP
ADAPTER
ACCUMULATOR COVER
ACCUMULATOR BOWL
DIAPHRAGM
7
7A
8
CHARGING VALVE
CHARGING VALVE PLUG
O-RING
DIAPHRAGM SCREEN ASSY
BACK UP RING
O-RING
9
10
11
12A
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34A
35
36
37
38
39
40
41
42
43
44
45
46
CYLINDER
CHARGE VALVE CAP
CHARGING VALVE
O-RING
PISTON
PLUG
DOWEL PIN
HELICOIL
PLUG
69120 12
CAPSCREW
HELICOIL
68990
72101
72103
69122
72104
69124
69125
8
8
1
1
1
2
2
CAPSCREW
BUFFER SEAL
U-PACKING
DUST SEAL
O-RING
NORD LOCK WASHER
LOWER BODY
TOOL STOP
LOWER BUSHING (LONG)
RETAINER PIN
TEFLON BUSHING
TEFLON PLUG
O-RING
TOOL RETAINER PIN (USED ON
BREAKERS WITH S/N-30D 14A00 AND
BELOW) NOTE: ITEMS 68 & 74 ARE
USED WITH THIS RETAINER PIN.
CYLINDER ADJUSTER
ADJUSTER NUT
O-RING
69A
73460
2
TOOL RETAINER PIN (USED ON
BREAKERS WITH S/N-30D 14A01 AND
ABOVE) NOTE: ITEMS 68 & 74 ARE
NOT USED WITH THIS RETAINER PIN.
BACK UP RING
SEAL RETAINER
GAS SEAL
70
71
71A
72
73
74
75
69126
68685
68712
68711
68972
68970
68971
72340
69128
71654
69130
69131
72108
72107
72105
72106
72249
69137
69136
2
1
3
2
2
2
2
1
4
4
4
4
1
1
1
1
1
1
1
RETAINER PIN
PLUG
PLUG
STEP SEAL
BACK UP RING
O-RING
GREASE NIPPLE
SNAP RING
RUBBER PLUG
VALVE BODY
VALVE SLEEVE
VALVE
RUBBER PLUG
TIE ROD KIT (SEE EXPLODED VIEW)
TIE ROD
76
VALVE CAP
HEX’ PLUG
PLUG
77A
78
LOWER TIE ROD NUT
TIE ROD WASHER
UPPER TIE ROD NUT
TOOL BIT (CROSS CUT CHISEL)
TOOL BIT (MOIL)
TOOL BIT (BLUNT)
TOOL BIT (CONICAL)
TOOL BIT (LINE CUT CHISEL)
POWER CELL
79
PLUG
81
O-RING
O-RING
BACK UP RING
CAPSCREW
CAPSCREW
O-RING
SEAL KIT
BACK UP RING
MAXFORCE BREAKER User Manual ◄ 47
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MBX358 HOUSING PARTS
*
72337 Housing
Flange Bolt Kit
NOTE: BREAKERS
WITH S/N 30D 14A00
AND BELOW USE A
QTY OF 2 OF ITEM
# 4 WEAR PLATES.
(S/N 30D 14A01 AND
ABOVE USE ITEM-4
AND 4A ONE EACH).
ITEM P/N
QTY DESCRIPTION
ITEM P/N
QTY DESCRIPTION
1
69137
1
1
1
POWER CELL
16
17
18
19
68923
2
RUBBER BOOT
CAPSCREW
LOCK WASHER
WASHER
2
69138
69139
69140
73459
69141
69142
69143
69145
69146
69013
69014
69052
68733
71635
68738
69151
69152
HOUSING
68924
68925
68926
72337
12
12
12
1
3
UPPER BUMPER SUPPORT
4
1 / 2 WEAR PLATE (SEE NOTE ABOVE)
4A
5
1
2
3
1
1
1
2
1
1
1
1
1
1
1
WEAR PLATE (SEE NOTE ABOVE)
WEAR PLATE (LR)
WEAR PLATE (U)
LOWER BUMPER
UPPER BUMPER
GUIDE PIN
HOUSING FLANGE BOLT KIT (INCL
ONE EA OF ITEMS 21 THRU 23 & TWO
EA OF ITEM 24)
*
6
21
22
23
24
30
31
32
33
40
41
42
43
72256
68741
68742
72257
69056
69154
68746
68747
71636
72248
71638
71651
12
12
12
24
2
CAPSCREW
7
WASHER
8
LOCK WASHER
NUT
9
10
11
12
13
13A
13B
14
15
WEAR BUSHING
STOP RING
TOOL RETAINER PLUG
TOOL PIN RETAINER COVER PLATE
CAPSCREW
1
CAPSCREW
8
NUT
8
LOCK WASHER
RUBBER PLUG
RUBBER PLUG
RUBBER PLUG
RUBBER PLUG
NYLON NUT
2
LOCK WASHER
UPPER WINDOW COVER
LOWER WINDOW COVER
4
1
2
NOTE: See pages 7 & 8 for sticker information and part numbers.
48 ► MAXFORCE BREAKER User Manual
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MBX408 POWER CELL ILLUSTRATION
FOR ITEMS 70 AND
70A SEE PARTS LIST
FOR CORRECT ITEM
FOR YOUR SERIAL
NUMBER
72342 Tie
Rod Kit
FOR THESE TWO
ITEMS SEE 70A ON
PARTS LIST. NOTE:
THESE TWO PARTS
ONLY USED WITH
ITEM 70 NOT 70A
MAXFORCE BREAKER User Manual ◄ 49
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MBX408 POWER CELL PARTS LIST
ITEM P/N
QTY
1
1
2
2
2
2
8
2
2
1
1
1
1
1
2
3
8
8
1
1
1
6
2
1
2
1
2
1
1
1
1
2
3
2
1
1
1
1
1
1
2
3
1
1
4
8
1
1
DESCRIPTION
MAIN ACCUMULATOR
O-RING
ITEM P/N
69206
QTY
3
DESCRIPTION
O-RING
1
69160
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
65A
66A
67
68B
69
70
2
69161
69162
69163
72109
69164
69069
69165
72110
68679
68680
68681
73471
73478
69076
69168
68991
69169
69170
69174
69175
69176
69177
69178
69179
69086
69087
69088
69089
69180
69181
69412
69183
69413
69185
73479
69189
69193
69194
69101
69102
69199
69200
69202
69106
69107
69414
69205
69207
69208
69209
69210
69211
68989
69212
69213
69214
68981
68982
68983
68984
68985
68986
68987
2
O-RING
3
FLANGE ADAPTER
BACK UP RING
O-RING
1
O-RING
4
2
O-RING
4A
5
1
VALVE ADJUSTER
BACK UP RING
O-RING
O-RING
1
6
CAPSCREW
PLUG
3
7
1
ACCUMULATOR COVER
ACCUMULATOR BOWL
DIAPHRAGM
7A
8
ADAPTER
1
CHARGING VALVE
PLUG
1
9
1
DIAPHRAGM SCREEN ASSY
BACK UP RING
O-RING
10
11A
12A
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34A
35
36
37
38
39
40
41
42
43
44
45
46
O-RING
1
CYLINDER
PISTON
1
1
CHARGING VALVE
CHARGE VALVE CAP
O-RING
PLUG
1
DOWEL PIN
HELICOIL
1
1
PLUG
HELICOIL
69215 16
CAPSCREW
SEAL BUFFER
SEAL U-CUP
SEAL DUST
O-RING
68990
72101
72111
69217
72112
69219
69220
8
8
1
1
1
2
2
CAPSCREW
NORD LOCK WASHER
LOWER BODY
TOOL STOP
TEFLON BUSHING
TEFLON PLUG
O-RING
LOWER BUSHING
RETAINER PIN
TOOL RETAINER PIN (USED ON
BREAKERS WITH S/N-40D 14B00 AND
BELOW) NOTE: ITEMS 69 & 75 ARE
USED WITH THIS RETAINER PIN.
CYLINDER ADJUSTER
ADJUSTER NUT
O-RING
70A
73462
2
TOOL RETAINER PIN (USED ON
BREAKERS WITH S/N-40D 14B01 AND
ABOVE) NOTE: ITEMS 69 & 75 ARE
NOT USED WITH THIS RETAINER PIN.
BACK UP RING
SEAL CARRIER
GAS SEAL
STEP SEAL
BACK UP RING
O-RING
71
69415
68712
68685
68711
68972
68970
68971
72342
69222
72113
69225
69226
72117
72116
72114
72115
72250
69231
2
3
1
2
2
2
2
1
4
4
4
4
1
1
1
1
1
1
RETAINER PIN
71A
72A
73
PLUG
PLUG
GREASE NIPPLE
SNAP RING
74
VALVE BODY
VALVE SLEEVE
VALVE
75
RUBBER PLUG
76
RUBBER PLUG
TIE ROD KIT (SEE EXPLODED VIEW)
TIE ROD
VALVE CAP
PLUG
77
78A
79
LOWER TIE ROD NUT
TIE ROD WASHER
UPPER TIE ROD NUT
TOOL BIT (CROSS CUT CHISEL)
TOOL BIT (MOIL)
TOOL BIT (BLUNT)
TOOL BIT (CONICAL)
TOOL BIT (LINE CUT CHISEL)
SEAL KIT
PLUG
PLUG
80
O-RING
82
O-RING
BACK UP RING
CAPSCREW
CAPSCREW
O-RING
BACK UP RING
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MBX408 HOUSING PARTS
Note: Changes were made in April
2012 of the upper bumper and cover
plate, see pages 30 & 31 for more in-
formation.
*
72343 Housing
Flange Bolt Kit
NOTE: BREAKERS
WITH S/N 40D 14B00
AND BELOW USE A
QTY OF 2 OF ITEM
# 4 WEAR PLATES.
(S/N 40D 14B01 AND
ABOVE USE ITEM-4
AND 4A ONE EACH).
NOTE: See pages 7 & 8 for sticker information and part
numbers.
ITEM P/N
QTY DESCRIPTION
ITEM P/N
QTY DESCRIPTION
1
69232
1
1
1
POWER CELL
16
17
18
19
69268
2
RUBBER BOOT
CAPSCREW
LOCK WASHER
WASHER
2
69233
69418
HOUSING
68924 12
68925 12
68926 12
3
UPPER BUMPER SUPPORT
4
69256 1 / 2 WEAR PLATE (SEE NOTE ABOVE)
4A
5
73461
69257
69258
69259
72984
72985
69261
69262
69263
69264
68733
71635
68738
69266
69267
1
2
3
1
1
2
1
2
1
1
1
1
1
1
1
WEAR PLATE (SEE NOTE ABOVE)
WEAR PLATE (LR)
WEAR PLATE(U)
LOWER BUMPER
UPPER BUMPER
UPPER BUMPER PLUG
GUIDE PIN
72343
1
HOUSING FLANGE BOLT KIT (INCL ONE
EA OF ITEMS 21 THRU 23 & TWO EA OF
ITEM 24)
*
6
21
22
23
24
30
31
32
33
40
41
42
69269 12
69270 12
69271 12
69272 24
CAPSCREW
7
WASHER
8A
8B
9
LOCK WASHER
NYLON NUT
69273
69274
68746
68747
71636
71650
72119
2
1
8
8
2
4
1
TOOL RETAINER PLUG
TOOL PIN RETAINER COVER
CAPSCREW
10
11
12
13
13A
13B
14
15
WEAR BUSHING
STOP RING
CAPSCREW
LOCK WASHER
RUBBER PLUG
RUBBER PLUG
RUBBER PLUG
NUT
NYLON NUT
LOCK WASHER
UPPER WINDOW COVER
LOWER WINDOW COVER
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MBX458 POWER CELL ILLUSTRATION
FOR ITEMS 70 AND
70A SEE PARTS LIST
FOR CORRECT ITEM
FOR YOUR SERIAL
NUMBER
72344 Tie
Rod Kit
FOR THESE TWO
ITEMS SEE 70A ON
PARTS LIST. NOTE:
THESE TWO PARTS
ONLY USED WITH
ITEM 70 NOT
70A
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MBX458 POWER CELL PARTS LIST
ITEM P/N
QTY
1
1
2
2
2
2
8
2
2
1
1
1
1
1
2
2
8
8
1
1
1
6
2
1
2
1
2
1
1
1
1
2
3
2
1
1
1
1
1
1
2
3
1
1
4
8
1
1
DESCRIPTION
MAIN ACCUMULATOR
O-RING
ITEM P/N
72145
QTY
3
DESCRIPTION
O-RING
1
72120
47
48
49
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
65A
66A
67
68B
69
70
2
72121
69162
69163
72109
69164
69069
69165
72110
68679
68680
68681
73472
73480
69076
69168
68991
69169
72124
72125
72126
72127
72128
72129
72130
69086
69087
69088
69089
72131
72132
72133
72134
72135
72136
73481
72138
72139
69194
69101
69102
69199
72140
72141
72142
69107
72143
72144
72146
72147
69210
69211
68989
69212
69213
69214
68981
68982
68983
68984
68985
68986
68987
69215
68990
72101
72148
72149
72150
69219
69220
2
O-RING
3
FLANGE ADAPTER
BACK UP RING
O-RING
1
O-RING
4
1
VALVE ADJUSTER
BACK UP RING
O-RING
4A
5
1
O-RING
3
6
CAPSCREW
PLUG
1
ACCUMULATOR COVER
ACCUMULATOR BOWL
DIAPHRAGM
7
1
7A
8
ADAPTER
1
CHARGING VALVE
PLUG
1
DIAPHRAGM SCREEN ASSY
BACK UP RING
O-RING
9
1
10
11A
12A
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34A
35
36
37
38
39
40
41
42
43
44
45
46
O-RING
1
CYLINDER
PISTON
1
CHARGING VALVE
CHARGE VALVE CAP
O-RING
1
PLUG
1
DOWEL PIN
HELICOIL
1
PLUG
16
8
CAPSCREW
HELICOIL
CAPSCREW
SEAL BUFFER
SEAL U-CUP
SEAL DUST
O-RING
8
NORD LOCK WASHER
LOWER BODY
TOOL STOP
1
1
1
LOWER BUSHING
RETAINER PIN
TEFLON BUSHING
TEFLON PLUG
O-RING
2
2
TOOL RETAINER PIN (USED ON
BREAKERS WITH S/N-45D 14A06 AND
BELOW) NOTE: ITEMS 69 & 75 ARE
USED WITH THIS RETAINER PIN.
CYLINDER ADJUSTER
ADJUSTER NUT
O-RING
70A
73462
2
TOOL RETAINER PIN (USED ON
BREAKERS WITH S/N-45D 14A07 AND
ABOVE) NOTE: ITEMS 69 & 75 ARE
NOT USED WITH THIS RETAINER
PIN.
BACK UP RING
SEAL CARRIER
GAS SEAL
STEP SEAL
BACK UP RING
O-RING
71
72151
68712
68685
68711
72152
68970
72153
72344
72154
72155
72156
72157
72165
72164
72162
72163
72251
72166
2
3
1
2
2
2
2
1
4
4
4
4
1
1
1
1
1
1
RETAINER PIN
71A
72A
73
PLUG
PLUG
GREASE NIPPLE
SNAP RING
74
VALVE BODY
VALVE SLEEVE
VALVE
75
RUBBER PLUG
76
RUBBER PLUG
TIE ROD KIT (SEE EXPLODED VIEW)
TIE ROD
VALVE CAP
PLUG
77
78A
79
LOWER TIE ROD NUT
TIE ROD WASHER
UPPER TIE ROD NUT
TOOL BIT (CROSS CUT CHISEL)
TOOL BIT (MOIL)
TOOL BIT (BLUNT)
TOOL BIT (CONICAL)
TOOL BIT (LINE CUT CHISEL)
SEAL KIT
PLUG
PLUG
80
O-RING
82
O-RING
BACK UP RING
CAPSCREW
CAPSCREW
O-RING
BACK UP RING
MAXFORCE BREAKER User Manual ◄ 53
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MBX458 HOUSING PARTS
Note: Changes were made in April
2012 of the upper bumper and cover
plate, see pages 30 & 31 for more in-
formation.
*
72343 Housing
Flange Bolt Kit
NOTE: BREAKERS
WITH S/N 45D 14A06
AND BELOW USE A
QTY OF 2 OF ITEM
# 4 WEAR PLATES.
(S/N 45D 14A07 AND
ABOVE USE ITEM-4
AND 4A ONE EACH).
NOTE: See pages 7 & 8 for sticker information and part numbers.
ITEM P/N
QTY
DESCRIPTION
ITEM P/N
QTY
DESCRIPTION
LOWER WINDOW COVER
RUBBER BOOT
CAPSCREW
1
72167
1
1
1
POWER CELL
15
16
17
18
19
69267
69268
1
2
2
72170
69418
HOUSING
3
UPPER BUMPER SUPPORT
WEAR PLATE (SEE NOTE ABOVE)
WEAR PLATE (SEE NOTE ABOVE)
WEAR PLATE (LR)
68924 12
68925 12
68926 12
4
69256 1 / 2
LOCK WASHER
WASHER
4A
5
73461
69257
1
2
72343
1
HOUSING FLANGE BOLT KIT
(INCL ONE EA OF ITEMS 21 THRU
23 & TWO EA OF ITEM 24)
*
6
69258
72168
72984
72985
69261
69262
69263
69264
68733
71635
68738
69266
3
1
1
2
1
2
1
1
1
1
1
1
WEAR PLATE (U)
LOWER BUMPER
UPPER BUMPER
UPPER BUMPER PLUG
GUIDE PIN
7
21
22
23
24
30
31
32
33
40
41
42
69269 12
69270 12
69271 12
69272 24
CAPSCREW
8A
8B
9
WASHER
LOCK WASHER
NYLON NUT
10
11
12
13
13A
13B
14
WEAR BUSHING
STOP RING
69273
72169
68746
68747
72171
71650
72119
2
1
8
8
2
4
1
TOOL RETAINER PLUG
TOOL PIN RETAINER PLATE
CAPSCREW
CAPSCREW
NUT
LOCK WASHER
RUBBER PLUG
RUBBER PLUG
RUBBER PLUG
NYLON NUT
LOCK WASHER
UPPER WINDOW COVER
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MBX608 POWER CELL ILLUSTRATION
FOR ITEMS 40 AND
40A SEE PARTS LIST
FOR CORRECT ITEM
FOR YOUR SERIAL
NUMBER
72346 Tie
Rod Kit
FOR THESE TWO
ITEMS SEE 40A
ON PARTS LIST.
NOTE: THESE
TWO PARTS ONLY
USED WITH ITEM
40 NOT 40A
MAXFORCE BREAKER User Manual ◄ 55
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MBX608 POWER CELL PARTS LIST
ITEM P/N
QTY DESCRIPTION
MAIN ACCUMULATOR
ITEM P/N
QTY DESCRIPTION
1
72172
1
1
1
1
1
1
1
4
1
4
2
2
2
2
8
2
2
2
2
2
1
1
2
2
1
1
1
1
2
1
1
3
1
1
1
1
1
1
1
1
2
2
37
38
39
40
72199
2
2
2
2
RUBBER PLUG
RUBBER PLUG
SNAP RING
2
72173
68679
68680
68681
73473
73482
72176
68685
72177
69102
69168
72110
69162
69069
69199
69163
72109
69164
69165
72178
72179
72180
72181
72182
72183
72184
72185
72186
72252
72187
72188
72189
72190
72191
72192
72193
72194
72195
72196
72197
72198
O-RING
72153
72152
72213
3
CHARGING VALVE
PLUG
4
TOOL RETAINER PIN (USED ON
BREAKERS WITH S/N-50D 13L45 AND
BELOW) NOTE: ITEMS 35 & 37 ARE
USED WITH THIS RETAINER PIN.
5
O-RING
6A
7A
8
CYLINDER
PISTON
40A
73466
2
TOOL RETAINER PIN (USED ON
BREAKERS WITH S/N-50D 13L46 AND
ABOVE) NOTE: ITEMS 35 & 37 ARE
NOT USED WITH THIS RETAINER PIN.
CAPSCREW
PLUG
9A
10
11
42
43
68711
68712
72346
2
3
1
GREASE NIPPLE
PLUG
O-RING
PLUG
TIE ROD KIT (INCL ONE EACH OF
ITEMS 44, 45A, 46 & 47)
12
13
13A
13B
14
14A
14B
14C
15
16
17
18
19
20
21
22
23
24
24A
25
26
27
28
29
30
31
32A
33
34B
35
36
DOWEL PIN
ADAPTER
44
45A
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
60A
61
63
72200
72201
72202
72203
69212
69213
69214
68981
68982
68983
68984
68985
68986
68987
69215
68989
68990
72101
68991
72211
72210
72208
72209
72253
72212
4
4
4
4
1
1
1
1
1
1
1
1
1
1
16
2
8
9
8
1
1
1
1
1
1
TIE ROD
FLANGE ADAPTER
CAPSCREW
O-RING
LOWER TIE ROD NUT
TIE ROD WASHER
UPPER TIE ROD NUT
ACCUMULATOR COVER
ACCUMULATOR BOWL
DIAPHRAGM
BACK UP RING
O-RING
O-RING
PLUG
DIAPHRAGM SCREEN ASSY
BACK UP RING
CYLINDER ADJUSTER
ADJUSTER NUT
O-RING
O-RING
CHARGE VALVE
CHARGE VALVE CAP
O-RING
BACK UP RING
BUFFER SEAL
U-PACKING
DUST SEAL
SEAL RETAINER
STEP SEAL
BUFFER RING
GAS SEAL
O-RING
PLUG
CAPSCREW
O-RING
CAPSCREW
NORD LOCK WASHER
HELICOIL
TOOL BIT (CROSS CUT CHISEL)
TOOL BIT (MOIL)
TOOL BIT (BLUNT)
TOOL BIT (CONICAL)
TOOL BIT (LINE CUT CHISEL)
SEAL KIT
VALVE SLEEVE
VALVE
VALVE CAP
O-RING
O-RING
LOWER BODY
TOOL STOP
LOWER BUSHING
RETAINER PIN
RETAINER PIN
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MBX608 HOUSING PARTS
*
72343 Housing
Flange Bolt Kit
NOTE: BREAKERS
WITH S/N 50D 13L45
AND BELOW USE A
QTY OF 2 OF ITEM
# 4 WEAR PLATES.
(S/N 450D 13L46 AND
ABOVE USE ITEM-4
AND 4A ONE EACH).
ITEM P/N
QTY DESCRIPTION
15
16
17
18
19
72221
69268
72222
68925
68926
72343
1
LOWER WINDOW COVER
ITEM P/N
QTY DESCRIPTION
2
RUBBER BOOT
CAPSCREW
LOCK WASHER
WASHER
1
72214
1
1
1
POWER CELL
HOUSING
12
12
12
1
2
72232
72233
72223
73465
72224
69258
72225
72226
72216
72217
72218
72219
68733
71635
68738
72220
3
UPPER BUMPER
4
1 / 2 WEAR PLATE (SEE NOTE ABOVE)
HOUSING FLANGE BOLT KIT (INCL
ONE EA OF ITEMS 21 THRU 23 & TWO
EA OF ITEM 24)
4A
5
1
2
4
1
1
1
2
1
1
1
1
1
1
WEAR PLATE (SEE NOTE ABOVE)
WEAR PLATE (LR)
WEAR PLATE (U)
LOWER BUMPER
UPPER BUFFER
GUIDE PIN
*
6
21
22
23
24
30
31
32
33
40
41
42
43
69269
69270
69271
69272
72227
72228
72229
72230
72234
72235
72236
72237
12
12
12
24
2
CAPSCREW
7
WASHER
8
LOCK WASHER
NYLON NUT
9
10
11
12
13
13A
13B
14
WEAR BUSHING
STOP RING
TOOL RETAINER PLUG
TOOL PIN RETAINER PLATE
CAPSCREW
1
CAPSCREW
8
NUT
8
LOCK WASHER
RUBBER PLUG
RUBBER PLUG
RUBBER PLUG
RUBBER PLUG
NYLON NUT
2
LOCK WASHER
UPPER WINDOW COVER
4
1
2
NOTE: See pages 7 & 8 for sticker information and part numbers.
MAXFORCE BREAKER User Manual ◄ 57
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DECLARATION OF CONFORMITY
Hydraulic Tools
DECLARATION OF CONFORMITY
ÜBEREINSTIMMUNGS-ERKLARUNG
DECLARATION DE CONFORMITE CEE
DECLARACION DE CONFORMIDAD
DICHIARAZIONE DI CONFORMITA
DECLARAÇÃO DE CONFORMIDADE
______________________________________________________________________
I, the undersigned:
Ich, der Unterzeichnende:
Weisbeck, Andy
Je soussigné:
Surname and First names/Familiennname und Vornamen/Nom et prénom/Nombre y apellido/Cognome e nome
El abajo firmante:
lo sottoscritto:
Eu, abaixo assinado
hereby declare that the equipment specified hereunder:
bestätige hiermit, daß erklaren Produkt genannten Werk oder Gerät:
déclare que l’équipement visé ci-dessous:
Por la presente declaro que el equipo se especifica a continuación:
Dichiaro che le apparecchiature specificate di seguito:
Através deste, declaro que os equipamentos especificados abaixo
1. Category/Kategorie/Catégorie/Categoria:
:
Mounted Hydraulic Breaker
2. Make/Marke/Marque/Marca/Marca/:
Stanley
3. Type/Typ/Type/Tipo/:
MBX138, MBX208, MBX258, MBX308, MBX358, MBX408, MBX458 and MBX608
4. Serial number of equipment:
Seriennummer des Geräts:
All
Numéro de série de l’équipement:
Numero de serie del equipo:
Matricola dell´attrezzatura:
Número de série do equipamento
Has been manufactured in conformity with
Wurde hergestellt in Übereinstimmung mit
Est fabriqué conformément
Ha sido fabricado de acuerdo con
E’ stata costruita in conformitá con
Foi fabricado em conformidade com
Directive/Standards
Richtlinie/Standards
Directives/Normes
Directriz/Los Normas
Direttiva/Norme
No.
Nr
Numéro
No
n.
Approved body
Prüfung durch
Organisme agréé
Aprobado
Collaudato
Diretrizes / Normas
Nº
Aprovado
EN
12100-
TÜV
Machinery Directive
2:2009
2006/42/EC:
Registered No.
K1508/M06
2006
Test Report – K2510/M06
5. Special Provisions/Spezielle Bestimmungen/Dispositions particulières/Provisiones especiales/Disposizioni speciali/disposições especias:
NONE
6. Representative in the Union: Patrick Vervier, Stanley Dubuis 17-19, rue Jules Berthonneau-BP 3406 41034 Blois Cedex, France.
Vertreter in der Union/Représentant dans l’union/Representante en la Union/Rappresentante presso l’Unione/Representante do sindicato
Done at/Ort/Fait à/Dado en/Fatto a/Feito em Stanley Hydraulic Tools, Milwaukie, Oregon USA
Date/Datum/le/Fecha/Data
1-5-11
Signature/Unterschrift/Signature/Firma/Firma/Assinatura
Position/Position/Fonction/Cargo/Posizione/Posição
Engineering Manager
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Stanley Hydraulic Tools
3810 SE Naef Road
Milwaukie, Oregon 97267-5698 USA
(503) 659-5660
Fax (503) 652-1780
71554 2-2014 Ver. 14
Copyright© 2012 StanleyBlack&Decker
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