Safety • Assembly • Operation • Maintenance • Troubleshooting • Parts Lists • Warranty
OPERATOR’S MANUAL
Self PropelledYard Vacuum/Chipper/Shredder/
Vacuum/Hose — Model 070 / 071
IMPORTANT
READ SAFETY RULES AND INSTRUCTIONS CAREFULLY BEFORE OPERATION
Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-covered, brush-
covered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting applicable local or state laws (if any).
If a spark arrester is used, it should be maintained in effective working order by the operator. In the State of California the above is required by law
(Section 4442 of the California Public Resources Code). Other states may have similar laws. Federal laws apply on federal lands. A spark arrester
for the muffler is available through your nearest engine authorized service dealer or contact the service department, P.O. Box 361131 Cleveland,
Ohio 44136-0019.
FORM NO. 769-01295B
6/27/2006
PRINTED IN U.S.A.
TROY BILT LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
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1
Safety
Labels
$!.'%2
WARNING
This symbol points
out important safety
instructions which, if
not followed, could
endanger the personal
safety and/or property
of yourself and others.
Read and follow all
instructions in this
$!.'%2
manual before at-
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25..).'ꢀ 2/4!4).' ",!$%3 !2% ).3)$%ꢀ
tempting to operate
this machine. Failure
to comply with these
instructions may result
in personal injury. When
you see this symbol.
34/0
3ꢀꢁꢂꢃꢄ
HEED ITS WARNING!
Your Responsibility
Restrict the use
of this power machine
to persons who read,
understand
and follow the warnings
and instructions
in this manual
and on the machine.
3
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WARNING: Engine Exhaust, some of its constituents, and certain vehicle compo-
nents contain or emit chemicals known to State of California to cause cancer and
birth defects or other reproductive harm.
ꢀ
DANGER: This machine was built to be operated according to the rules for safe operation in this
manual. As with any type of power equipment, carelessness or error on the part of the operator can
result in serious injury. This machine is capable of amputating hands and feet and throwing objects.
Safe
Operation Failure to observe the following safety instructions could result in serious injury or death.
Training
Preparation
1. Read, understand, and follow all instructions on the ma-
chine and in the manual(s) before attempting to assemble
and operate. Keep this manual in a safe place for future
and regular reference and for ordering replacement parts.
2. Be familiar with all controls and their proper operation.
Know how to stop the machine and disengage them
quickly.
1. Thoroughly inspect the area where the equipment is to
be used. Remove all rocks, bottles, cans, or other foreign
objects which could be picked up or thrown and cause
personal injury or damage to the machine.
2. Always wear safety glasses or safety goggles during opera-
tion or while performing an adjustment or repair, to protect
eyes. Thrown objects which ricochet can cause serious
injury to the eyes.
Practices
3. Never allow children under 16 years old to operate this
machine. Children 16 years old and over should read and
understand the operation instructions and safety rules in
this manual and should be trained and supervised by a
parent.
3. Wear sturdy, rough-soled work shoes and close-fitting
slacks and shirts. Loose fitting clothes or jewelry can be
caught in movable parts. Never operate this machine
in bare feet or sandals. Wear leather work gloves when
feeding material in the chipper chute.
WARNING
4. Never allow adults to operate this machine without proper
instruction.
4. Before starting, check all bolts and screws for proper tight-
ness to be sure the machine is in safe working condition.
Also, visually inspect machine for any damage at frequent
intervals.
This symbol points
out important safety
instructions which, if
not followed, could
endanger the personal
safety and/or property
of yourself and others.
Read and follow all
instructions in this
5. Keep bystanders, helpers, pets, and children at least
75 feet from the machine while it is in operation. Stop
machine if anyone enters the area.
5. Maintain or replace safety and instructions labels, as
necessary.
6. Never run an engine indoors or in a poorly ventilated area.
Engine exhaust contains carbon monoxide, an odorless
and deadly gas.
6. To avoid personal injury or property damage use extreme
care in handling gasoline. Gasoline is extremely flammable
and the vapors are explosive. Serious personal injury can
occur when gasoline is spilled on yourself or your clothes
which can ignite. Wash your skin and change clothes
immediately.
7. Do not put hands and feet near rotating parts or in the
feeding chambers and discharge opening. Contact with
the rotating impeller can amputate fingers, hands, and
feet.
8. Never attempt to unclog either the feed intake or dis-
charge opening, remove or empty vacuum bag, or inspect
and repair the machine while the engine is running. Shut
the engine off and wait until all moving parts have come
to a complete stop. Disconnect the spark plug wire and
ground it against the engine.
manual before at-
a. Use only an approved gasoline container.
b. Extinguish all cigarettes, cigars, pipes, and other
sources of ignition.
tempting to operate
this machine. Failure
to comply with these
instructions may result
in personal injury. When
you see this symbol.
c. Never fuel machine indoors.
d. Never remove gas cap or add fuel while the engine is hot
or running.
e. Allow engine to cool at least two minutes before refuel-
ing.
f. Never over fill fuel tank. Fill tank to no more than 1/2
inch below bottom of filler neck to provide space for fuel
expansion.
HEED ITS WARNING!
Your Responsibility
Restrict the use
g. Replace gasoline cap and tighten securely.
h. If gasoline is spilled, wipe it off the engine and equip-
ment. Move machine to another area. Wait 5 minutes
before starting the engine.
of this power machine
to persons who read,
understand
i. Never store the machine or fuel container inside where
there is an open flame, spark, or pilot light (e.g. furnace,
water heater, space heater, clothes dryer, etc.).
j. To reduce a fire hazard, keep machine free of grass,
leaves, or other debris build-up. Clean up oil or fuel
spillage and remove any fuel soaked debris.
k. Allow machine to cool at least 5 minutes before storing.
and follow the warnings
and instructions
in this manual
and on the machine.
4
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Operation
Maintenance & Storage
1. Do not put hands and feet near rotating parts or in the
feeding chambers and discharge opening. Contact with the
rotating impeller can amputate fingers, hands, and feet.
2. Before starting the machine, make sure the chipper chute,
feed intake, and cutting chamber are empty and free of all
debris.
1. Never tamper with safety devices. Check their proper
operation regularly.
2. Check bolts and screws for proper tightness at frequent
intervals to keep the machine in safe working condition.
Also, visually inspect machine for any damage and repair,
if needed.
ꢀ
3. Thoroughly inspect all material to be shredded and remove
any metal, rocks, bottles, cans, or other foreign objects
which could cause personal injury or damage to the
machine.
3. Before cleaning, repairing, or inspecting, stop the engine
and make certain the impeller and all moving parts have
stopped. Disconnect the spark plug wire and ground it
against the engine to prevent unintended starting.
4. Do not change the engine governor settings or overspeed
the engine. The governor controls the maximum safe
operating speed of the engine.
Safe
Operation
Practices
4. If the impeller strikes a foreign object or if your machine
should start making an unusual noise or vibration,
immediately shut the engine off. Allow the impeller to come
to a complete stop. Disconnect the spark plug wire, ground
it against the engine and perform the following steps:
a. Inspect for damage.
5. Maintain or replace safety and instruction labels, as
necessary.
6. Follow this manual for safe loading, unloading, transport-
ing, and storage of this machine.
b. Repair or replace any damaged parts.
c. Check for any loose parts and tighten to assure
continued safe operation.
7. Never store the machine or fuel container inside where
there is an open flame, spark or pilot light such as a water
heater, furnace, clothes dryer, etc.
5. Do not allow an accumulation of processed material to build
up in the discharge area. This can prevent proper discharge 8. Always refer to the operator’s manual for proper instruc-
and result in kickback of material through the feed opening.
6. Do not attempt to shred or chip material larger than
specified on the machine or in this manual. Personal injury
or machine damage could result.
tions on off-season storage.
WARNING
9. If the fuel tank has to be drained, do this outdoors.
10. Observe proper disposal laws and regulations for gas, oil,
etc. to protect the environment.
This symbol points
7. Never attempt to unclog either the feed intake or discharge
opening while the engine is running. Shut the engine off,
wait until all moving parts have stopped, disconnect the
spark plug wire and ground it against the engine before
clearing debris.
out important safety
instructions, which if
not followed, could
Do not modify engine
To avoid serious injury or death, do not modify engine in any
way.Tampering with the governor setting can lead to a runaway
engine and cause it to operate at unsafe speeds. Never tamper
with factory setting of engine governor.
endanger the personal
safety and/or property
of yourself and others.
Read and follow all
8. Never operate without vacuum bag and discharge chute
properly attached to the machine. Never empty or change
vacuum bag while the engine is running. Zippered end
of vacuum bag must be kept closed at all times during
operation.
Notice regarding Emissions
Engines which are certified to comply with California and
federal EPA emission regulations for SORE (Small Off Road
Equipment) are certified to operate on regular unleaded gaso-
line, and may include the following emission control systems:
Engine Modification (EM) and Three Way Catalyst (TWC) if so
equipped.
instructions in this man-
ual before attempting to
operate this machine.
Failure to comply with
these instructions may
result in personal injury.
When you see this
9. Never operate without either the inlet nozzle or optional
hose attachment properly attached to the machine. Never
attempt to attach or change either attachment while the
engine is running.
10. Keep all guards, deflectors and safety devices in place and
operating properly.
Your Responsibility
11. Keep your face and body back and to the side of the chipper
chute while feeding material into the machine to avoid
accidental kickback injuries.
Restrict the use of this power machine to persons who read,
understand and follow the warnings and instructions in this
manual and on the machine.
symbol.
HEED IT’S WARNING!
12. Never operate this machine without good visibility or light.
Always be sure of your footing and keep a firm hold on the
handles.
Your Responsibility
Restrict the use
13. Do not operate this machine on a gravel surface.
14. Do not operate this machine while under the influence of
alcohol or drugs.
of this power machine
to persons who read,
understand
15. Muffler and engine become hot and can cause a burn. Do
not touch.
16. Never pick up or carry machine while the engine is running.
and follow the warnings
and instructions
in this manual
and on the machine.
ꢁ
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IMPORTANT: This unit is shipped without gasoline or oil
in the engine. Be certain to service engine with gasoline
and oil as instructed in the separate engine manual
before operating your machine.
Upper Handle
Drive Control
Speed Control
Wing Nut
Upper Hose
3
Handle Bracket
Cable Guide
NOTE: Reference to right and left hand side of the Yard
Vacuum is observed from the operating position.
Rope Guide
Handle Knobs
Setting Up
YourYard
Vacuum
Lower Hose
Handle Bracket
Opening Carton
1. Cut each corner of the carton vertically from top to
bottom.
Carriage
Screws
Lower Handle
2. Remove all loose parts.
Wing Nuts
3. Remove loose packing material.
Removing Unit From Carton
1. Lift unit from the rear to detach it from underlying
carton material and roll unit out of carton.
Bag
2. Check carton thoroughly for any other loose parts.
IMPORTANT
This unit is shipped
without gasoline or
oil in the engine. Be
certain to service
NOTE: Make sure not to crimp cables while removing
loose parts or the entire unit from the carton.
Safety Glasses
Hose
Assembly
Loose Parts In Carton (See Figure 1)
a. Upper and Lower Handle
Bottle of Engine Oil
Blower Chute
engine with gasoline
and oil as instructed
in the separate engine
manual before operat-
ing your machine.
Operator’s Manual
b. Hose Assembly
c. Safety Glasses
d. Engine Oil (May be located in bag)
e. Bag
Figure 1
f. Blower Chute (If Equipped)
g. Operator’s Manual
NOTE: Reference to
right and left hand side
of the Yard Vacuum
is observed from the
operating position.
6
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Attaching The Handle
1. Remove the hairpin clips from the handle brackets and
remove the carriage screws and wing nuts from the
lower handle.
3
a. Place the bottom holes in lower handle over the
pins on the handle brackets and secure with
hairpin clips. See Figure 2.
Setting Up
YourYard
Vacuum
b. Insert carriage screws through upper hole in lower
handle from the inside and secure with wing nuts.
See Figure 2.
"
2. a. Unfold the upper handle until it aligns with lower
handle. Make sure the rope guide is on the right
side of upper handle. See Figure 3.
IMPORTANT: Make sure the cables are routed outside
the lower handle. Also, do not crimp the cables while
lifting up the handles.
!
Figure ꢀ
b. Secure the two handles by tightening the handle
knobs (carriage bolts must be seated properly into
the handle). See Figure 3.
IMPORTANT
Make sure the cables
are routed outside the
lower handle. Also, do
not crimp the cables
while lifting up the
handles.
Rope Guide
3. Pull the two cable ties attached to the cables tight
approximately 8 inches from each cable end and place
the cables into the cable guide.
4. Loosen the wing nut that secures the rope guide to the
right side of upper handle.
a. Pull the starter rope out of the engine slowly. See
Figure 4.
B
b. Slip the starter rope into the rope guide. Tighten
the wing nut. See Figure 4.
A
Attaching The Hose Assembly
5. a. Slide hose adapter of hose assembly into the
base adapter located on the left front of the Yard
Vacuum. See Figure 5.
b. Pull spring loaded pin out on the base and align pin
with the first hole (closest to the end of the tube) in
the hose adapter.
Figure 3
c. Release the pin to lock the hose in place.
B
A
A
Align pin
with this
B
hole.
Figure ꢁ
Figure 4
7
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6. a. Snap the hose handle first into the upper hose
handle bracket and then into the lower hose handle
bracket. See Figure 6.
b. Lay hose tubing on hanger bracket next to chipper
chute.
3
Attaching The Bag
7. Grasp bag handle with one hand and slide locking rod
on mounting bracket with other hand toward engine.
Use the end of mounting bracket as leverage when
sliding the locking rod.
Setting Up
YourYard
Vacuum
A
a. Slip bag over the rim of the discharge opening and
release locking rod to secure bag in place. See
Figure 7.
B
b. Snap bag clip to the top of the lower handle.
c. Place the lower straps on the bag over the top
of lower handle, hooking them on the studs. See
Figure 7.
Figure 6
NOTE: The bag/chute switch button attached to the
mounting bracket must be fully depressed by the tip of
front tab on bag handle when securing the bag or engine
will not start.
NOTE: The bag/chute
switch button attached
to the mounting
bracket must be fully
depressed by the tip of
front tab on bag handle
when securing the bag
or engine will not start.
A
B
C
Figure 7
8
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Attaching The Blower Chute
(If Equipped)
NOTE: The bag must be removed before installing the
blower chute.
3
8. a. Grasp blower chute with one hand and slide locking
rod on mounting bracket with other hand toward
engine. Use the end of mounting bracket as lever-
age when sliding the locking rod. See Figure 8.
b. Slip blower chute over rim of discharge opening
and release locking rod to secure chute in place.
c. Raise the nozzle height to the highest setting when
using the blower chute. Refer to nozzle height
adjustment in the Maintaining Your Yard Vacuum
section on page 14.
Setting Up
YourYard
Vacuum
NOTE: The bag/chute switch button attached to the
mounting bracket must be fully depressed by the tip of
front tab on the blower chute or engine will not start.
NOTE: The bag must
be removed before
installing the blower
chute.
Figure 8
9
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KnowYourYard Vacuum
Speed Control
Drive Control
Starter Handle
4
Bag
Throttle Control
Choke Control
Operating
YourYard
Vacuum
Bag Handle
Oil Fill
Gasoline Fill
Hose
Handle
Hose
Assembly
Chipper Chute
Nozzle/Hose
Vac Lever
WARNING
†Blower Chute
Nozzle
Nozzle Height
Adjustment Lever
The operation of
any chipper shred-
der can result in
foreign objects
†If Equipped
being thrown into
the eyes, which can
damage your eyes
severely. Always wear
the safety glasses
provided with this
unit or eye shields
while operating or
while performing
any adjustments or
repairs.
Figure 9
Speed Control
Now that you have set up your yard vacuum for
operation, get acquainted with its controls and features. Located on the left side of the upper handle, the speed
These are described below and illustrated on this page. control is used to select the forward speed of the yard
This knowledge will allow you to use your new equip-
ment to its fullest potential.
vacuum.
IMPORTANT: Move the speed control only when the
engine is running. Changing the speed control setting
with the engine off can damage the yard vacuum.
WARNING: The operation of any
chipper shredder can result in foreign
objects being thrown into the eyes,
which can damage your eyes se-
verely. Always wear the safety glasses
provided with this unit or eye shields
while operating or while performing
any adjustments or repairs.
Nozzle Height Adjustment Lever
Used to adjust the nozzle ground clearance ranging
approximately from 5/8” to 4 1/8”. See Figure 9.
Throttle Control Lever (Not Shown)
The throttle control lever is located on the engine. It
controls the engine’s speed and stops the engine. See
separate engine manual packed with unit for details.
Chipper Chute
Allows twigs and small branches up to 1-1/2” in diameter
to be fed into the impeller for chipping. See Figure 9.
Engine Controls
See the separate engine manual for the location and
function of the controls on the engine.
Drive Control
Nozzle
Yard waste such as leaves or pine needles can be
vacuumed up through the nozzle for shredding.
Located on the underside of the upper handle, the drive
control is used to engage/disengage wheels. Fully
squeeze the drive control against the upper handle to
engage the wheels; release to disengage. (DO NOT slip
clutch).
10
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Hose Assembly
Starting Engine
Used as an alternative to the nozzle to vacuum yard
waste such as leaves or pine needles in hard to reach
places. See Figure 9.
1. Attach spark plug wire to spark plug. Make certain
the metal cap on the end of the spark plug is
fastened securely over the metal tip on the spark
plug.
Nozzle/ Hose Vac Lever
4
2. Make sure safety switch wire is connected to engine
and properly grounded.
The nozzle/hose vac handle is located on top of the
nozzle. Use it to switch vacuum suction between the
nozzle and the hose assembly.
3. Engines with choke lever:
Operating
YourYard
Vacuum
Move choke lever on engine to CHOKE position. (A
warm engine may not require choking).
Hose Handle
Used to guide hose assembly when vacuuming.
Engines with primer:
Bag Handle
Used to grasp bag in order to assist in attaching, remov-
ing, and emptying bag. See Figure 9.
Prime engine as instructed in separate engine
manual.
4. The throttle control is located on the engine. Move
engine throttle control lever to FAST or ON position.
Bag
Collects shredded material fed through the chipper chute
or vacuumed through the nozzle or hose.
5. Stand behind unit, grasp starter handle and pull rope
out slowly until engine reaches start of compression
cycle (rope will pull slightly harder at this point).
Blower Chute
When attached to unit, the blower chute is used to blow
or scatter yard waste such as leaves, pine needle, or
small twigs across yard.
6. Pull rope with a rapid, continuous, full arm stroke.
Keep a firm grip on starter handle. Let rope rewind
slowly.
WARNING
WARNING: The operation of the Yard
Vacuum can result in foreign objects
being thrown into the eyes, which can
damage your eyes severely. Always
wear the safety glasses provided with
this unit or eye shields before chipping
or blowing and while performing any
adjustments or repairs.
7. Repeat previous steps until engine fires. When
engine starts, move choke control (if equipped)
gradually to RUN position.
Never fill fuel tank
indoors with engine
running or until the
engine has been
allowed to cool for
at least two minutes
after running.
WARNING: Never run the engine
indoors or in a poorly ventilated area.
Engine exhaust contains carbon
monoxide, an odorless and deadly
gas.
Gas And Oil Fill-Up
Service the engine with gasoline and oil as instructed
in the separate engine manual packed with your Yard
Vacuum. Read instructions carefully.
Stopping Engine
1. Move throttle control lever to STOP or OFF position.
Never run the engine
indoors or in a poorly
ventilated area. En-
gine exhaust contains
carbon monoxide, an
odorless and deadly
gas.
2. Disconnect spark plug wire from spark plug and
ground against the engine.
WARNING: Never fill fuel tank indoors
with engine running or until the engine
has been allowed to cool for at least two
minutes after running.
11
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To Empty Bag
1. a. Unhook bag straps from the lower handle.
b. Unsnap bag clip from the top of lower handle. See
Figure 10.
B
c. Grasp bag handle with one hand and pull lock rod
on mounting bracket with other hand toward engine
to release.
4
d. Lift bag off back of unit.
2. Twist the two buttons on the back of the bag to unlock
and empty contents. See Figure 11. Hold bag handle
and bag clip while emptying the contents.
Operating
YourYard
Vacuum
D
3. Compress bag opening and fold inner flap over
opening.
4. Fold outer flap over inner flap and insert buttons on
the bag through metal outlets. See Figure 11.
5. Twist the buttons to lock bag. Place bag back onto unit
as instructed on page 8.
C
A
To Remove Blower Chute
Figure 10
1. Grasp blower chute with one hand and pull lock rod
on mounting bracket with other hand toward engine to
release. Refer to Figure 8 on page 9.
IMPORTANT
Move the speed
2. Remove blower chute from rim of the discharge
opening.
control only when the
engine is running.
Changing the speed
control setting with the
engine off can damage
the yard vacuum.
Using The Nozzle Vacuum
1. Place nozzle/hose vac lever in the top position on the
nozzle to vacuum through nozzle. See Figure 12.
2. The spring loaded pin must be in the first hole (closest
to the end of the tube) of the hose adapter to operate
the nozzle vac.
"UTTONS
3. Place both hands on top of the upper handle and fully
lift the drive control against the upper handle to propel
the unit over yard.
)NNER
&LAP
/UTER &LAP
4. Use the speed control to choose either the high or low
speed. The speed control may be moved either while
the unit is propelling or before engaging the wheels.
Figure 11
IMPORTANT: Move the speed control only when the
engine is running. Changing the speed control setting
with the engine off can damage the yard vacuum.
ꢁ
ꢀ
Figure 1ꢀ
1ꢀ
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Yard waste such as leaves and pine needles can be
vacuumed up through the nozzle for shredding. After
material has been shredded by the flail blades on the
impeller assembly, it will be discharged into catcher bag
or through blower chute. Do not attempt to shred or chip
any material other than vegetation found in a normal yard
(i.e. branches, leaves, twigs, etc.) Avoid fibrous plants
such as tomato vines until they are thoroughly dried out.
Materials such as stalks or heavy branches up to 1-1/2” in
diameter may be fed into the chipper chute.
4
ꢀ
ꢁ
Operating
YourYard
Vacuum
WARNING: Do not attempt to shred,
chip, or vacuum any material larger
than specified on the machine or in this
manual. Personal injury or damage to
the machine could result.
Figure 13
IMPORTANT: The flail screen is located inside the
housing in the discharge area. If the flail screen becomes
clogged, remove and clean as instructed in the Mainte-
nance section on page 16. For best performance, it is
also important to keep the chipper blade sharp.
WARNING
WARNING: Do not at any time make
any adjustments without first stopping
engine and disconnecting spark plug
wire.
Do not attempt
to shred, chip, or
vacuum any material
larger than specified
on the machine or in
this manual. Personal
injury or damage to
the machine could
result.
Using The Hose Assembly
1. Place nozzle/hose vac handle in the bottom position
on the nozzle to redirect vacuum to the hose assem-
bly. See Figure 13.
2. The spring loaded pin must be in the second hole of
the hose adapter to operate the hose assembly.
3. Unhook the hose from upper handle bracket and
grasp the hose handle to guide while vacuuming yard
waste such as leaves or pine needles in hard to reach
places.
Do not at any time
make any adjust-
ments without first
stopping engine and
disconnecting spark
plug wire.
13
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WARNING: Always stop engine and
disconnect spark plug wire before
cleaning, lubricating or doing any kind
of maintenance on your machine.
Lubrication
ꢁ
1. Wheels: Lubricate each wheel shoulder screw (rear
wheel) and pivot arm axle (front wheel) once a season
with light oil. Refer to Figure 17.
ꢁ
Maintaining
YourYard
Vacuum
ꢂ
2. Nozzle height adjustment levers: Lubricate the pivot
points of the nozzle height adjustment levers once a
season with light oil. Refer to Figure 9 on page 10.
ꢀ
3. Locking Rod: Lubricate the locking rod with light oil
to ease the application of attaching on or removing
bag or blower chute. Refer to Figure 8 on page 9.
4. Nozzle/Hose Vac Lever: Lubricate the nozzle/hose
vac lever on top of nozzle once a season with light oil.
Refer to Figure 9.
Figure 14
5. Engine: Follow the separate engine manual packed
with your unit for lubrication instructions.
!
WARNING
Engine Maintenance
Refer to the separate engine manual for all engine
maintenance instructions.
Always stop engine,
disconnect spark plug,
and ground against
engine before cleaning,
lubricating or doing any
kind of maintenance on
your machine.
1. Check engine oil level before each use as instructed
in the separate engine manual packed with your unit.
Read and follow instructions carefully.
!
"
2. Clean air cleaner every 25 hours under normal condi-
tions or once a season. Clean every few hours under
extremely dusty conditions. To service the air cleaner,
refer to the separate engine manual packed with your
unit.
#
3. The spark plug should be cleaned and the gap reset
once a season. Check engine manual for correct plug
type and gap specifications.
"
Nozzle Height Adjustment
The nozzle can be adjusted to any six positions, ranging
from 5/8” to 4 1/8” ground clearance. The nozzle height
has to be adjusted according to yard conditions.
1. Depress nozzle height adjustment lever towards
wheel. See Figure 14.
2. Move the height adjustment lever forward or backward
to adjust the nozzle upwards or downwards. Make
sure both levers are in the same position.
3. Release lever towards deck.
NOTE: In general, raise the nozzle height to vacuum a
thick layer of leaves or to operate with the blower chute.
Lower the nozzle height for smoother surfaces.
Figure 1ꢁ
14
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Drive Control Cable Adjustment
Adjust the drive control cable if the yard vacuum does
not self propel with the drive control engaged, or if the
unit hesitates while the engine maintains the same speed
after approximately 20 hours of use.
ꢁ
To move the z-fitting of the drive control cable from its
factory set position in the front hole of the drive control to
the rear hole, proceed as follows:
Maintaining
YourYard
Vacuum
1. a. Push the right side of the control out of the right
hole in the upper handle. See Figure 15A.
b. Pivot control down towards the lower handle.
c. Pivot straight up to remove it from the left hole in
the upper handle. See Figure 15A.
2. There is now sufficient slack in the drive control cable
to grasp the z-fitting with your hand and move it from
the front hole to the rear hole of the drive control. See
Figure 15B.
Figure 16
Figure 17
Figure 18
IMPORTANT: Make sure to insert the z-fitting into the
rear hole as it was inserted in the front hole, that is from
the outside of the drive control.
3. You may now carefully reinstall the drive control by
performing the previous steps in the opposite order
and manner of removal.
IMPORTANT: Once assembled and prior to restarting,
make sure that the cable is properly adjusted. With the
drive control disengaged, the unit should freely pull in
reverse.
Removing The Flail Screen
If the discharge area becomes clogged, remove the flail
screen and clean area as follows.
1. Stop the engine. Make certain the chipper/shredder
vacuum has come to a complete stop.
2. Before unclogging the discharge chute, disconnect
and ground the spark plug wire to retaining post.
3. Remove the vacuum bag or blower chute from the
unit as instructed in the OPERATION section to obtain
access to flail screen.
4. Remove the three self tapping screws securing the
belt cover, and remove the belt cover. See Figure 16.
5. Remove self tapping screw on right side of unit that
attaches to the flail screen. See Figure 17.
6. Remove hex screw on top of rear housing near
mounting bracket and the flange lock nut that secures
flail screen. See Figure 17.
7. Remove and clean the screen by scraping or washing
with water. See Figure 18.
8. Reinstall the screen.
1ꢁ
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Sharpening Or Replacing Chipper
Blade
NOTE: When tipping the unit, empty the oil and fuel tank
and keep engine spark plug side up.
1. Disconnect and ground the spark plug wire to
retaining post.
ꢁ
2. Remove hose assembly and bag assembly.
Maintaining
YourYard
Vacuum
3. Remove the three hex cap screws holding the hose
hanger bracket and chipper chute to the upper hous-
ing. See Figure 19.
4. Remove the front hubcaps, flange lock nuts, front
wheels, and wave washers that attach to the pivot arm
assemblies. See Figure 20.
5. Remove the shoulder screws, thrust washers, and bell
washers that go through the pivot arms to the front
support brace. The front support brace and lock nut
can be removed at this time as well.
Figure 19
6. Remove the four screws on the upper housing that
secure the nozzle cover. See Figure 21.
&RONT 3UPPORT "RACE AND ,OCK .UT
0IVOT !RM !SSEMBLY
7. Carefully tilt and support the unit up to provide access
underneath to the nozzle mounting hardware and
impeller. Remove the three shoulder bolts securing
the black plastic nozzle to the lower housing. Refer to
Figure 22.
NOTE: When tipping
unit, empty the oil and
fuel tank and keep
engine spark plug side
up..
"ELL 7ASHER
4HRUST 7ASHER
3HOULDER 3CREW
8. Tilt top of black plastic nozzle toward the engine to
remove.
7AVE
7ASHER
,OCK .UT
7HEEL
Figure ꢀ0
.OZZLE 3CREWS
Figure ꢀꢀ
Figure ꢀ1
16
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9. Using a 3/16” allen wrench, remove the flat head cap
screws that hold the chipper blade to the impeller.
These screws are accessible through the opening
created when the chipper chute was removed earlier.
See Figure 23.
&LAT (EAD #AP 3CREWS
10.The nuts on the flat head cap screws can be reached
from underneath using a 1/2-inch socket, universal,
and extension. See Figure 24.
ꢁ
Maintaining
YourYard
Vacuum
11. Replace or sharpen chipper blade. The blade can be
sharpened with a file or on a grinding wheel.
12.When sharpening blade, protect hands by using
gloves and follow the original angle of grind.
13.Reassemble by performing the previous steps in the
opposite order and manner of removal.
#HIPPER "LADE
NOTE: Tighten blade screws to 210 - 250 in-lbs. Make
certain chipper blade is reassembled with the sharp edge
facing upward.
Figure ꢀ3
StoringYourYard Vacuum
1. Clean the equipment thoroughly.
NOTE: Tighten blade
screws to 210-250
2. Wipe equipment with an oiled rag to prevent rust.
)MPELLER
3. Refer to engine manual for correct engine storage
instructions.
in.-lbs. Make certain
chipper blade is reas-
sembled with the sharp
edge facing upward.
.UTS
4. Store unit in a clean, dry area. Do not store next to
corrosive materials such as fertilizer.
Figure ꢀ4
17
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Problem
Engine fails to start
Cause
Remedy
1. Throttle lever not in correct starting
position.
1. Move throttle lever to FAST or
START position.
2. Spark plug wire disconnected.
2. Connect wire to spark plug.
6
3. Choke not in CHOKE position (if
equipped).
3. Move choke lever to CHOKE
position.
4. Fuel tank empty or stale fuel.
4. Fill tank with clean, fresh gasoline.
Trouble
Shooting
5. Engine not primed (if equipped).
5. Prime engine as instructed in
Engine Manual.
6. Clean, adjust gap, or replace.
6. Faulty spark plug.
7. Safety switch must be depressed
by the front tab on the bag handle
when securing the bag.
7. Safety switch not depressed.
8. Safety switch wire is not connected to
engine or not properly grounded.
8. Connect safety switch wire to
engine connector and ground to
mounting bracket.
1. Spark plug wire loose.
1. Connect and tighten spark
plug wire.
Engine runs erratic
2. Unit running on CHOKE (if equipped).
3. Blocked fuel line or stale fuel.
2. Move choke lever to OFF position.
For repairs beyond
the minor adjustments
listed here, contact
an authorized service
dealer.
3. Clean fuel line; fill tank with clean,
fresh gasoline.
4. Low engine RPM.
4. Always run engine at full throttle.
5. Water or dirt in fuel system.
5. Drain fuel tank. Refill with
fresh fuel.
6. Dirty air cleaner.
6. Refer to engine manual.
7. See authorized service dealer.
1. Fill crankcase with proper oil.
2. Refer to engine manual.
7. Carburetor out of adjustment.
1. Engine oil level low.
Engine overheats
2. Dirty air cleaner.
3. Carburetor not adjusted properly.
1. Spark plug gap too close.
3. See authorized service dealer.
1. Adjust gap to .030”.
Occasional skips
(hesitates) at
high speed
2. Carburetor idle mixture adjustment
improperly set.
2. See authorized service dealer.
Excessive Vibration
1. Loose parts or damaged impeller.
1. Discharge area clogged.
1. See authorized service dealer.
1. Stop engine immediately and
disconnect spark plug wire. Clean
flail screen and inside of discharge
opening.
Unit does not
discharge
2. Foreign object lodged in impeller.
2. Stop engine and disconnect spark
plug wire. Remove lodged object.
3. Low engine RPM.
4. Vacuum bag is full.
1. Low engine RPM.
2. Chipper blade dull.
3. Always run engine at full throttle.
4. Empty bag.
1. Always run engine at full throttle.
Rate of discharge
slows considerably
or composition of
discharged material
changes
2. Replace chipper blade or see your
authorized service dealer.
1. Drive control cable out of adjustment.
2. Drive belt worn or damaged.
18
1. Follow adjustment procedure
in Servicing Your Yard Vacuum
section of manual.
Unit fails to propel itself
or slips when drive
control is engaged
2. See authorized service dealer.
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NOTES:
Use this page to make
notes and write down
important information.
For parts and/or
accessories
please call
1-866-840-6483, or
1-330-558-7220.
19
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Model 070 / 071
2
28
66
39
16
15
27
B
3
42
14
5
75
71
24
80
76
69
43
4
7
42
8
78
77
45
25
40
9
79
14
10
74
6
26
29
21
11
20
19
18
A
B
48
65
64
13
15
15
44
A
73
12
49
46
41
6
72
50
68
81
54
23
82
70
58
47
51
55
56
65
52
62
57
53
52
16
59
30
22
17
60
67
61
31
33
35
65
63
32
36
34
37
38
ꢀ0
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Ref. Part No.
Description
Ref. Part No.
43. 710-1650
44. 710-1220
Description
1.
2.
3.
4.
5.
6.
7.
736-0451
Saddle Washer, .320 x.93
Shoulder Screw, #12-24 x .30 x .46
Screw, #12-16 x .750
749-04163 Upper Handle
7
720-0279
710-1205
781-1056
710-0726
Knob
45. 711-04245 Impeller Hub
46. 715-0221 Dowel Pin
Eye Bolt
Upper Handle Bracket
Hex Cap Screw 5/16-12 x.750
47. 781-04082 Front Wheel Support Brace
48. 781-04081 Rear Wheel Support Brace
Parts List
49. 714-0104
50. 716-0104
51. 736-0258
52. 736-0232
53. 738-1015
Cotter Pin
720-04072 Star Knob
710-1174 Carriage Bolt
731-04911 Nozzle Handle Clip
E-Ring
8.
9.
Flat Washer, .385 x 1.00 x .135
Wave Washer.531 ID x.781 OD
Shoulder Screw 3/8-16
10. 749-04165 Lower Handle
11. 711-1293
12. 710-0703
13. 712-0397
Studs
54. 734-04018 Wheel, 8 x 2.125
Carriage Screw 1/4-20 x.75
Wing Nut 1/4-20
55. 716-0865
56. 741-0751
Snap Ring
To order replacement
parts, contact
1-800-520-5520,
1-330-558-7220
or visit
Height Adjustment Bearing
14. 710-1611B TT Screw, 5/16-18 x .750
57. 687-02094 Pivot Arm Assembly
15. 710-0599
16. 712-0442
17. 710-0751
18. 681-0195
Screw, 1/4-20 x .500
Cap Lock Nut, 1/4-20
Hex Cap Screw 1/4-20 x.620
Hose Base Adapter Assembly
(Incl. Ref.# 19-21)
58. 720-0426
59. 732-1026
60. 736-0741
61. 738-1172
Height Adjustment Knob
Spring Lever
Bell Washer.760 ID x.25 OD
Shoulder Screw,.750 x.500
62. 687-02051 Height Lever Assembly
(Incl. Ref.# 58-59)
19. 716-0104
20. 732-3035
21. 711-1571
22. 736-3020
E Ring.500 Dia
Compression Spring
Clevis Pin
63. 734-04033 Wheel 8 x 2
64. 710-1652
Screw, 1/4-20 x .625
Flat Washer.271 ID x.630 OD
65. 712-04065 Flange Lock Nut, 3/8-16
66. 731-04879 Belt Cover
23. 781-04069 Upper Flail Housing
24. 746-04156 Drive Control Cable
67. 736-0314
68. 731-2522
Thrust Washer.375 ID x.70 OD
Wheel Cover
25. 731-1820
26. 681-0122
Cable Guide
Chipper Chute Assembly
69. 732-04217 Extension Spring,.375 x 2.95
27. 746-04155 Speed Control Cable
70. 736-0369
71. 738-0930
Flat Washer,.508ID x1.00OD x.020
Shoulder Screw,.560 x.165
28. 710-1122
29. 781-1058
Hex Screw, 1/4-20 x 2.50
Hose Hanger Bracket
72. 741-04108 Drive Axle Bushing
30. 712-04064 Flange Lock Nut, 1/4-20
73. 781-04078 Transmission Mounting Bracket
31. 748-0457
32. 731-2478
33. 710-3288
34. 723-0295
35. 749-1270
36. 764-0648
37. 07071
Spacer
74. 710-0597
Screw, 1/4-20 x 1.00
Hose Nozzle
75. 712-04064 Flange Lock Nut, 1/4-20
Hex Cap Screw 1/4-20 x 2.625
Adjustment Clamp
Nozzle Handle
Vacuum Hose
Handle Grip
76. 741-0124
77. 750-1050
78. 754-0369
Ball Bearing
Flange Spacer,.260 x.659 x.517
Belt, 3/8 x 32.5
79. 781-04077 Idler Bracket
80. 782-7598
81. 717-1762
Belt Keeper
38. 731-2292
Hose Adapter
Spur Gear - RH
39. 747-04305 Drive Control
40. 725-0157 Cable Tie
—
717-1761
Spur Gear - LH (Not Shown)
82. 681-0156A Handle Bracket Ass’y RH
681-0155A Handle Brkt Ass’y LH (Not Shown)
41. 618-04175 Transmission Assembly
—
42. 681-04027 Idler Assembly (Incl. Ref.# 74-80)
ꢀ1
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Models 070 / 071
34
35
37
36
38
49
39
41
40
51
1
42
43
32
47
44
49
45
27
28
B
46
48
33
11
2
3
4
14
11
10
29
31
9
8
5
6
30
7
15
B
12
17
18
16
A
A
21
23
13
50
22
25
24
20
19
26
ꢀꢀ
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Ref. Part No.
Description
Ref. Part No.
Description
7
1.
2.
3.
4.
5.
6.
7.
664-04031 Bag Assembly
27. 664-04029 Bag
681-0154
710-1054
781-0490
781-0735
719-0329
715-0166
711-1401
712-0411
Screen Assembly
Hex Screw 5/16-24 x 1.0
Chipper Blade
Pin Clip
28. 631-0083
29. 736-0247
30. 736-0217
31. 710-1273
Chute Assembly
Parts List
Flat Washer.375 ID x 1.25 OD
Lock Washer 3/8
Hex Cap Screw, 3/8-24 x 2.75
Flail
32. 631-04118 Engine Spacer Assembly
Spiral Pin
33. 710-1008
34. 725-1700
35. 725-3166
36. 731-1613
37. 710-0224
Screw, 3/8-16 x 1.875
Switch Cover
8.
9.
Clevis Pin
Lock Nut, 5/16-24
Lock Washer, 5/16
Impeller Assembly
(Incl. Ref.# 3 – 10)
Safety Switch
10. 736-0119
11. 681-0152
Safety Switch Cover
Hex Washer Screw #10-16 x.50
To order replacement
parts, contact
1-800-520-5520,
1-330-558-7220
or visit
38. 629-0920A Wire Harness
12. 781-0721B Lower Flail Housing
39. 714-0104
40. 732-0962
Cotter Pin
13. 712-04063 Flange Lock Nut 5/16-18
Compression Spring
14. 710-0607
Screw, 5/16-18 x.500
41. 781-0778A Mounting Bracket
15. 747-04297 Hinge Pin
16. 731-2293A Nozzle
42. 747-1153
43. 710-3195
44. 710-3025
45. 710-1220
46. 710-0351
47. 736-0607
48. 726-0139
49. 710-0726
50. 710-1650
Lock Rod
Hex Cap Screw 5/16-18 x 4.5
Hex Cap Screw 5/16-18 x.625
Screw, #12-16 x.750
17. 781-1064
18. 732-1156
19. 726-0106
20. 711-1551
Base Adapter Door
Torsion Spring
Cap Speed Nut 1/4
Pivot Rod
Screw #10 - 16 x.500
External L-Washer 5/16
Speed Nut
21. 731-04967 Nozzle Door Lever
22. 710-1256
23. 750-1294
24. 732-3118
Hex Screw, #8-18 x 1.25
Shoulder Spacer
Hex Index Screw, 5/16-12 x.750
Shoulder Screw, #12-24 x .30 x .46
Extension Spring
51. 631-0090† Blower Chute
— 723-0400 Safety Glasses (Not Shown)
25. 732-1151A Nozzle Door Torsion Spring
26. 731-2294A Nozzle Door
† If Equipped
ꢀ3
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MANUFACTURER’S LIMITED WARRANTY FOR
The limited warranty set forth below is given by Troy-Bilt LLC with respect
deck adjustments, and normal deterioration of the exterior finish
due to use or exposure.
to new merchandise purchased and used in the United States and/or its
territories and possessions, and by MTD Products Limited with respect to
new merchandise purchased and used in Canada and/or its territories and
possessions (either entity respectively, “Troy-Bilt”).
d.
e.
Service completed by someone other than an authorized service
dealer.
Troy-Bilt does not extend any warranty for products sold or
exported outside of the United States and/or Canada, and
their respective possessions and territories, except those sold
through Troy-Bilt’s authorized channels of export distribution.
Replacement parts that are not genuine Troy-Bilt parts.
Transportation charges and service calls.
“Troy-Bilt” warrants this product (excluding its normal wear parts as
described below) against defects in material and workmanship for a
period of two (2) years commencing on the date of original purchase and
will, at its option, repair or replace, free of charge, any part found to be
defective in materials or workmanship. This limited warranty shall only
apply if this product has been operated and maintained in accordance
with the Operator’s Manual furnished with the product, and has not been
subject to misuse, abuse, commercial use, neglect, accident, improper
maintenance, alteration, vandalism, theft, fire, water, or damage because
of other peril or natural disaster. Damage resulting from the installation or
f.
g.
h.
If Products are used commercially. (Troy-Bilt may separately
offer Limited Commercial Warranties on certain select products.
Ask your dealer or retailer for details or contact Troy-Bilt Service
for more information).
No implied warranty, including any implied warranty of merchant-
use of any part, accessory or attachment not approved by Troy-Bilt for use ability of fitness for a particular purpose, applies after the applicable
with the product(s) covered by this manual will void your warranty as to any period of express written warranty above as to the parts as identi-
resulting damage.
fied. No other express warranty, whether written or oral, except as
mentioned above, given by any person or entity, including a dealer or
retailer, with respect to any product, shall bind Troy-Bilt. During the
period of the warranty, the exclusive remedy is repair or replacement
of the product as set forth above.
Normal wear parts are warranted to be free from defects in material and
workmanship for a period of thirty (30) days from the date of purchase.
Normal wear parts include, but are not limited to items such as: batteries,
belts, blades, blade adapters, grass bags, rider deck wheels, seats, snow
thrower skid shoes, friction wheels, shave plates, auger spiral rubber and
tires.
The provisions as set forth in this warranty provide the sole and
exclusive remedy arising from the sale. Troy-Bilt shall not be liable
for incidental or consequential loss or damage including, without
limitation, expenses incurred for substitute or replacement lawn care
services or for rental expenses to temporarily replace a warranted
product.
HOW TO OBTAIN SERVICE: Warranty service is available, WITH PROOF
OF PURCHASE, through your local authorized service dealer. To locate
the dealer in your area:
In the U.S.A.
Some states do not allow the exclusion or limitation of incidental or
consequential damages, or limitations on how long an implied warranty
lasts, so the above exclusions or limitations may not apply to you.
Check your Yellow Pages, or contact Troy-Bilt LLC at P.O. Box 361131,
Cleveland, Ohio 44136-0019, or call 1-866-840-6483 or 1-330-558-7220,
In no event shall recovery of any kind be greater than the amount of the
purchase price of the product sold. Alteration of safety features of the
product shall void this warranty. You assume the risk and liability for
loss, damage, or injury to you and your property and/or to others and their
property arising out of the misuse or inability to use the product.
In Canada
Contact MTD Products Limited, Kitchener, ON N2G 4J1, or call 1-800-668-
This limited warranty does not provide coverage in the following cases:
This limited warranty shall not extend to anyone other than the original
purchaser or to the person for whom it was purchased as a gift.
a.
The engine or component parts thereof. These items may
carry a separate manufacturer’s warranty. Refer to applicable
manufacturer’s warranty for terms and conditions.
Log splitter pumps, valves, and cylinders have a separate one-
year warranty.
HOW STATE LAW RELATES TO THIS WARRANTY: This limited war-
ranty gives you specific legal rights, and you may also have other rights
which vary from state to state.
b.
c.
Routine maintenance items such as lubricants, filters, blade
sharpening, tune-ups, brake adjustments, clutch adjustments,
IMPORTANT: Owner must present Original Proof of Purchase to obtain
warranty coverage.
Troy-Bilt LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019; Phone: 1-866-840-6483, 1-330-ꢁꢁ8-7ꢀꢀ0
MTD Canada Limited - KITCHENER, ON NꢀG 4J1; Phone 1-800-668-1ꢀ38
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