SHInDAIwA OwnER’S/OPERATOR'S MAnUAL
AH254
ARTICULATED HEDGE TRIMMER
wARnInG!
Always wear eye and ear protection
when operating this machine! To minimize the
risk of injury to yourself and others, read this
manual and familiarize yourself with its contents.
X7502872400
06/10
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Be aware of the danger of
falling debris.
This product conducts elec-
tricity. Keep the product and/
or operator a minimum dis-
tance of 33 feet (10 meters)
away from electrical sources
and power lines.
Always wear a hard hat to
reduce the risk of head inju-
ries during operation of this
machine. In addition, always
wear eye and hearing protec-
tion. Shindaiwa recommends
wearing a face shield as addi-
tional face and eye protection.
33 ft
10 M
WARNING !Surface can
be hot. Always wear
gloves when handling
this unit.
Safety
An articulated hedge trimmer has the
potential to cause serious personal
injury to the operator or bystanders
if misused, abused or mishandled.
To reduce the risk of injury, you must
maintain control at all times, and
observe all safety precautions dur-
ing operation. Never permit a person
without training or instruction to oper-
ate this trimmer!
wARnInG!
DAnGER!
Do not make unauthor-
ized modifications or alterations to
your articulated hedge trimmer or its
components.
THE ARTICULATED
HEDGE TRIMMER IS NOT INSU-
LATED AGAINST ELECTRICAL
SHOCK!
Approaching or contacting electri-
cal lines with the trimmer could
cause death or serious injury.
Keep the trimmer at least 10
meters away from electrical lines
or branches that contact electrical
lines.
wARnInG!
Never operate this tool or any other
power equipment if you are tired,
ill, or under the influence of alcohol,
drugs, or any substance that could
affect your ability or judgement.
Operating Precautions
wARnInG!
■ Never transport the articulated
hedge trimmer or leave it unat-
tended with the engine running.
An engine that’s running could be
accidently accelerated causing the
blades to oscillate.
■ Always stop the engine imme-
diately and check for damage if
you strike a foreign object or if the
machine becomes tangled. Do not
operate with broken or damaged
equipment.
■ Make sure there is always good
ventilation when operating the artic-
ulated hedge trimmer. Fumes from
engine exhaust can cause seri-
ous injury or death. Never run the
engine indoors!
■ Make sure that the blade cover is in
place when transporting or storing
the articulated hedge trimmer.
■ When cutting a branch that is
under tension, be alert for spring-
back so that you will not be struck
by the moving branch.
■ Never smoke or light fires near the
hedge trimmer. Keep the unit away
from excessive heat. Engine fuel is
very flammable and fire could lead
to serious personal injury or prop-
erty damage.
■ Always make sure that the cut-
ter attachment and all handles and
guards are properly installed and
firmly tightened before operation.
■ If a cutter should bind fast in a cut,
shut off the engine immediately.
Push the branch or tree to ease
the bind and free the cutter.
■ Make sure the cutters are cor-
rectly adjusted before operating the
articulated hedge trimmer (see the
section ”Cutter Blade Adjustment”
for cutter adjustment procedures).
Never attempt cutter adjustment
with the engine running!
■ Inspect for broken, missing or
improperly installed parts or
attachments.
■ Always stop the engine and allow
it to cool before refueling. Avoid
overfilling and wipe off any fuel
that may have spilled.
■ Never use a cracked or warped cut-
ter or cutter bar: replace it with a
serviceable one and make sure it
fits properly.
■ To reduce fire hazard, keep the
engine and muffler free of debris,
leaves, or excessive grease
■ Before starting the engine, make
sure the cutter is not contacting
anything.
■ Make sure there are no missing or
loose fasteners, and that the stop
switch and throttle controls are work-
ing properly.
■ Keep a Solid Stance. Maintain
footing and balance at all times.
Do not stand on slippery, uneven
or unstable surfaces. Do not work
in odd positions or on ladders. Do
not over reach.
■ Always confirm safe operation
when using the machine.
■ Immediately stop the engine with
the stop switch if the machine sud-
denly begins to vibrate or shake.
3
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Safety (continued)
WARNING!
Hedge Clipper blades are very sharp. Touching them may lead to severe personal injury. Avoid touching
blades whenever possible, and always wear gloves to protect hands
CAUTIOn!
■ Do not make unauthorized modi-
fications to the articulated hedge
trimmer or its components.
■ Always stop the engine and allow
it to cool before refueling. Avoid
overfilling and wipe off any fuel
that may have spilled.
■ Always maintain the articu-
lated hedge trimmer according
to this owner’s manual and fol-
low the recommended scheduled
maintenance.
■ Keep the cutters sharp and prop-
erly adjusted.
■ Never place flammable material
close to the engine muffler and
never run the engine without the
spark arrestor screen in place.
■ Never allow the engine to run at
high speed without a load. Doing
so could damage the engine.
■ Never modify or disable any of the
hedge trimmer’s safety devices.
Doing so may cause damage and
lead to personal injury
■ Always clear your work area of
trash or hidden debris to help
ensure good footing.
■ When transporting the hedge
trimmer in a vehicle, tie it down
securely to prevent fuel spillage or
damage to the machine.
■ Always use genuine Shindaiwa
parts and accessories when repair-
ing or maintaining this machine.
■ Keep the articulated hedge trim-
mer as clean as possible. Keep it
free of loose vegetation, mud, etc.
Safety Equipment and Labels
Cutter blade cover
Hand guard
Ignition
(STOP)
switch
IMPORTAnT!
Throttle
interlock
Caution, Danger, Warning, and Operation
Information Labels: Make sure all informa-
tion labels are undamaged and readable.
Immediately replace damaged or missing
information labels. New labels are available
from your local authorized Shindaiwa dealer.
4
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Operator Safety
Always wear a hard hat
to reduce the risk of head
injuries during operation of
this machine.
This machine is designed
for trimming hedges. Do
not use this machine for
other purposes.
ALWAYS clear your work area
of trash or hidden debris that
could be thrown back at you or
toward a bystander.
Always wear eye and hearing protection.
ALWAYS protect
yourself from hazards
such as thorny brush
and flying debris by
wearing gloves and
close fitting clothing
that covers arms and
legs. Never wear
shorts. Don't wear loose
clothing or items such
as jewelry that could
get caught in machinery
or underbrush. Secure
long hair so it is above
shoulder level.
Shindaiwa recommends wearing a
face shield as additional face and eye
protection.
NEVER allow children to
Always operate with both hands
firmly gripping the machine.
use the unit. Avoid operating
near bystanders or when
children are nearby.
Keep a proper footing
and do not overreach—
maintain your balance
at all times during
operation.
Keep bystanders at least
15 meters away from the
operating trimmer to reduce
the risk of being struck by
falling objects or thrown
debris.
ALWAYS be aware of
your surroundings and
alert to any danger that
you may not hear due to
machine noise.
Wear sturdy footwear with nonslip
soles to provide good footing.
Steel-toed safety boots are
recommended. Never operate
machine bare-footed.
ALWAYS wear close-fitting
clothing. Gloves offer added
proctection and are strongly
recommended. Do not wear
clothing or jewelry that could
get caught in machinery.
Product Description
Spark Plug
Hedge Trimmer Cutter
Air Filter
Assembly
Assembly
Throttle
interlock
Ignition
Cutter Assembly
Adjustment Lever
Cutter
Blade
Cover
Fuel
Tank
Fuel Tank
Guard
Outer
Tube
Throttle Trigger
Powerhead Assembly
Using the illustration as
a guide, familiarize your-
self with the Shindaiwa
AH254 articulated hedge
trimmer and its various
components. Under-
standing your machine
helps ensure top perfor-
mance, longer service
life, and safer operation.
Latch Release
Hand guard
Hand grip
Hedge Trimmer
Cutter Assembly
Gearcase
Latch
Lock
Cutter Bar and
Cutter Blades
Throttle
assembly
wARnInG!
Do not alter this machine
or any of its components!
Recoil
starter
Fuel Tank
5
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Specifications
Model
AH254
4-cycle, vertical cylinder, air cooled
34 x 27 mm/1.3 x 1.1 in.
24.5cc/1.5 cu. in.
Engine Type
Engine Bore x Stroke
Engine Displacement
Unit Weight, Less Fuel
Unit Dimensions (LxWxH)
Fuel Tank Capacity
Fuel/oil ratio
6.3 kg/14 lbs.
2360 x 225 x 235 mm / 92.9 x 8.9 x 9.3 in.
590 ml/20.3 oz..
50:1 with *ISO-L-EGD or JASO FD class engine oil
Diaphragm type
Carburetor
Ignition
Fully electronic, program controlled
NGK CMR5H
Spark Plug**
Electrode Gap
Torque
0.6 mm/ .024 in.
16.7 - 18.6 N∙m / 148-165 in • lbf
Foam pre-filter; sealed felt main filter
Recoil Starter
Air Cleaner
Starting Method
Stopping Method
Blade Length
Clutch Type
Slide switch, grounding type
567 mm/22.3 in
Automatic, centrifugal clutch with bevel gear
Spur gears
Gear Type
Gear Lubrication
Lithium-based grease
Tool kit, blade cover.
Standard Equipment
Idle Speed
3,000 RPM
Clutch Engagement Speed
Wide Open Throttle Speed (W.O.T.)
4,100 RPM
10,500 RPM
Specifications are subject to change without notice.
IMPORTAnT!
This spark ignition system complies with the Canadian standard ICES-002.
Emission Control (Exhaust & Evaporative)
EPA 2010 and Later and/or C.A.R.B. TIER III
The emission control system for the engine is EM/TWC (Engine Modification and 3-way Catalyst) and for the fuel tank
the Control System is EVAP (Evaporative Emissions) or N (for nylon tank). Evaporative emission may be applicable to
California models only.
An Emission Control Label is located on the unit. (This is an EXAMPLE ONLY; information on label varies by en-
gine FAMILY).
PRODUCT EMISSION DURABILITY (EMISSION COMPLIANCE PERIOD)
The 300 hour emission compliance period is the time span selected by the manufacturer certifying the engine
emissions output meets applicable emissions regulations, provided that approved maintenance procedures are
followed as listed in the Maintenance Section of this manual.
6
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Assembly
Prior To Assembly
Before assembling, make sure you have
all the components required for a com-
plete unit:
IMPORTAnT!
■ Kit with this manual and tool kit
for routine maintenance.
The terms “left”, “left-hand”, and “LH”;
“right”, “right-hand”, and “RH”; “front” and
“rear” refer to directions as viewed by the
operator during normal operation.
■ Cutter blade cover
Carefully inspect all components for
■ Unit assembly
damage.
Adjusting the Hedge Trimmer Cutter Assembly
Adjustment Lever
wARnInG!
Latch Lock
■ The cutter blades are very sharp.
Do not grasp the blades with
your hands. Always use gloves
when working near the cutter
assembly.
Pivot the cutter assembly using the
adjustment lever...
■ Do not allow the blades to con-
Grasp the outer tube near the handle
tact your body.
■ Do not touch the cutter blades
when the engine is running. The
blades can oscillate even if the
engine is idling.
Latch Lock
Adjustment Lever
wARnInG!
Never run the engine when
adjusting the cutter assembly.
Latch Release
Press the latch lock
Make sure the latch lock and the latch release
return securely to the straight ahead position
IMPORTAnT!
3. While holding the latch release
down, pivot the cutter assembly
away from you using the adjust-
ment lever until it is at the desired
cutting angle.
1. Position the hedge trimmer on a
The latch lock provides an interlock to
help prevent inadvertent depression of
the latch release.
flat, level surface.
2. With your right hand, grasp the
outer tube near the handle. With
your left hand, grip the adjustment
lever on the cutter assembly. With
the index finger of your left hand,
press the latch lock. With your left
thumb, press the latch release.
5. Remove the cover from the cut-
ter blade. The engine now may be
started (refer to the section ”Starting
the Engine”).
4. Release the latch lock and the
latch release. Make sure the latch
lock and the latch release return
securely to the locked position.
Cutter Assembly Positions
The cutter assembly can be adjusted
to eleven different positions ranging
from 120° to 270° from the outer tube
as shown. Always make sure the lock
latch is securely locked after each
adjustment.
Gearcase rotated to the storage/
transportation position
270°
120°
Various blade
positions
possible
Adjusting for Storage or Transportation
1. With the engine off, install the
blade cover onto the blade.
Adjusting for Storage or Transportation
2. Using the procedures described
above, rotate the cutter assembly
so it is parallel to the tube. Make
sure the latch lock and the latch
release return securely to a locking
position.
wARnInG!
Never run the engine when
adjusting the cutter assembly.
Cutter
Assembly
Positions
3. Make sure the blade cover is in
place on the cutters before storing or
transporting.
7
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Assembly (continued)
Throttle lever free play
The throttle lever free play should be
approximately 4 - 6 mm. Make sure that
the throttle lever operates smoothly with-
out binding. If it becomes necessary to
adjust the lever free play, follow the pro-
cedures and illustrations that follow.
4 - 6 mm
1. Loosen the air cleaner cover knob(s)
and remove the air cleaner cover.
Cable
Adjuster
Throttle lever free play
2. Turn the cable adjuster in or out as
required to obtain proper free play
4 - 6 mm.
3. Reinstall the air cleaner cover.
Mixing Fuel
WARNING!
Alternative fuels, such as E15 (15% ethanol), E-85 (85% ethanol) or any fuels not meeting Shindaiwa
requirements are NOT approved for use in Shindaiwa gasoline engines. Use of alternative fuels may cause
performance problems, loss of power, overheating, fuel vapor lock, and unintended machine operation, including,
but not limited to, improper clutch engagement. Alternative fuels may also cause premature deterioration of fuel
lines, gaskets, carburetors and other engine components.
Fuel Requirements
Gasoline - Use 89 Octane [R+M/2] (mid grade or higher) gasoline known to be good quality. Gasoline may contain
up to 10% Ethanol (grain alcohol) or 15% MTBE (methyl tertiary-butyl ether). Gasoline containing methanol (wood
alcohol) is NOT approved.
Hybrid 4TM Mixture Oil - Engine oil meeting ISO-L-EGD (ISO/CD 13738) and J.A.S.O. M345/FD standards must be
used. Shindaiwa highly recommends using Shindaiwa Red ArmorTM engine oil in all Shindaiwa Hybrid 4TM engines to
protect the engine from harmful carbon build up, maintain engine performance, and increase engine life. Shindaiwa
Red ArmorTM engine oil exceeds ISO-L-EGD and J.A.S.O. M345/FD performance requirements. Engine problems
due to inadequate lubrication caused by failure to use an ISO-L-EGD (ISO/CD 13738) and J.A.S.O. M345/FD certified
oil will void the engine warranty.
Examples of 50:1 mixing quantities
IMPORTANT!
Shindaiwa Red ArmorTM engine oil may be mixed at 50:1 ratio for application
in all Shindaiwa engines sold in the past, regardless of ratio specified in those
manuals.
IMPORTANT!
Stored fuel ages. Do not mix more fuel than you expect to use in thirty (30)
days, ninety (90) days when a fuel stabilizer is added. Use of unmixed, improp-
erly mixed, or stale fuel, may cause hard starting, poor performance, or severe
engine damage and void the product warranty. Read and follow instructions in
the Long Term Storage section of this manual.
8
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Handling Fuel
DANGER
Fuel is VERY flammable. Use extreme care when mixing, storing or handling or serious personal injury may result.
• Use an approved fuel container.
• DO NOT smoke near fuel.
• DO NOT allow flames or sparks near fuel.
• Fuel tanks/cans may be under pressure. Always loosen fuel caps slowly allowing pressure to equalize.
• NEVER refuel a unit when the engine is HOT or RUNNING!
• DO NOT fill fuel tanks indoors. ALWAYS fill fuel tanks outdoors over bare ground.
• DO NOT overfill fuel tank. Wipe up spills immediately.
• Securely tighten fuel tank cap and close fuel container after refueling.
• Inspect for fuel leakage. If fuel leakage is found, do not start or operate unit until leakage is repaired.
• Move at least 3m (10 ft.) from refueling location before starting the engine.
Storage - Fuel storage laws vary by locality. Contact
Mixing Instructions
your local government for the laws affecting your area.
As a precaution, store fuel in an approved, airtight con-
tainer. Store in a well-ventilated, unoccupied building,
away from sparks and flames.
1. Fill an approved fuel container with half of the required
amount of gasoline.
2. Add the proper amount of engine oil to gasoline.
3. Close container and shake to mix oil with gasoline.
4. Add remaining gasoline, close fuel container, and remix.
IMPORTAnT!
IMPORTAnT!
Stored fuel may separate. ALWAYS shake fuel container
thoroughly before each use.
Spilled fuel is a leading cause of hydrocarbon emissions.
Some states may require the use of automatic fuel shut-off
containers to reduce fuel spillage.
After use
• DO NOT store a unit with fuel in its tank. Leaks can
occur. Return unused fuel to an approved fuel storage
container.
Filling the fuel tank
wARnInG!
Minimize the Risk of Fire
■ NEVER smoke or light fires near the engine.
■ ALWAYS store gasoline in a container approved for flam-
mable liquids.
■ ALWAYS stop the engine and allow it to cool before
refueling.
■ ALWAYS inspect the unit for fuel leaks before each use.
During each refill, check that no fuel leaks from around
the fuel cap and/or fuel tank.
■ ALWAYS Wipe all spilled fuel and move at least 3
meters (10 feet) from the fueling point and source before
starting.
If fuel leaks are evident, stop using the unit immediately.
Fuel leaks must be repaired before using the unit.
■ NEVER place flammable material close to the engine
■ ALWAYS move the unit at least 3 meters (10 feet) away
from a fuel storage area or other readily flammable
materials before starting
muffler.
■
NEVER operate the engine without the muffler and spark
arrester screen in place and in good working condition.
the engine.
■ FUEL IS HIGHLY FLAMMABLE.
3. Remove the fuel cap, and fill the
tank with clean, fresh fuel.
1. Place the unit on a flat, level surface.
CAUTIOn!
2. Clear any dirt or other debris from
around the fuel filler cap.
4. Reinstall the fuel filler cap and
Slowly remove the fuel cap only
after stopping the engine
tighten firmly.
5. Wipe away any spilled fuel before
starting engine.
9
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Starting the Engine
IMPORTAnT!
Engine ignition is controlled by a two position switch mounted on the throttle housing labeled, “I” for ON or START and “O” for OFF or
STOP.
WARNING
The attachment will operate immediately when the engine starts, and could result in possible serious injury. Keep movable
parts of the attachment away from objects that could become entangled or thrown, and surfaces that could cause loss of con-
trol.
wARnInG!
Never start the engine from the operating position.
NOTE:
The blade cover is used for transportation and storage. Remove blade cover before using the unit.
1. Slide the ignition switch to the “ON”
Close
choke
position.
Throttle Lock
2. Set the throttle lever to the “fast
idle”:
ON
a. Depress and hold the throttle lock,
then squeeze the throttle trigger.
b. Depress and hold the fast idle
button.
Fast idle
button
c. Release the throttle trigger and
throttle lock, then release fast idle
button.
Throttle
trigger
Slide ignition to ON
3. Press the primer bulb until fuel can
be seen flowing in the transparent
return tube.
Set the choke lever to the CLOSED position
Hold
the unit
firmly...
IMPORTAnT!
The primer system only pushes fuel
through the carburetor. Repeatedly
pressing the primer bulb will not flood
the engine with fuel.
Primer Bulb
4. Set the choke lever to the CLOSED
position if engine is cold.
5. While holding the outer tube firmly
with left hand. Use your other hand
to slowly pull the recoil starter han-
dle until resistance is felt, then pull
quickly to start the engine.
Make sure the
...and pull recoil
Press primer bulb...
attachment is clear
starter handle
of obstructions!
upward
10
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Starting the Engine (continued)
6. When the engine starts, slowly
CAUTIOn!
move the choke lever to the
“OPEN” position. (If the engine
stops after the initial start, close the
choke and restart.)
Do not pull the recoil starter to the
end of the rope travel. Pulling the
recoil starter to the end of the rope
travel can damage the starter.
Open
7. Operating the throttle will automati-
cally disengage the fast idle setting.
IMPORTAnT!
If the engine fails to start after several
attempts with the choke in the closed
position, the engine may be flooded
with fuel. If flooding is suspected, refer
to the ”Starting a Flooded Engine” sec-
tion of this manual.
After engine starts, move choke to OPEN
position
when the Engine Starts...
■ After the engine starts, allow the
engine to warm up at idle 2 or 3 min-
utes before operating the unit.
If the engine does not start
■
Advancing the throttle makes the cut-
ting attachment move faster; releas-
ing the throttle permits the attach-
ment to stop moving. If the cutting
attachment continues to move when
the engine returns to idle, carburetor
idle speed should be adjusted (see
“Adjusting Engine Idle”.).
■ Repeat the appropriate starting pro-
cedure for a cold or warm engine.
■ If the engine does not continue to
run, repeat the appropriate crank-
ing procedures for a cold or warm
engine.When the engine starts, clear
excess fuel from the combustion
chamber by accelerating the engine
several times with the throttle lever.
■ If the engine still fails to start,
use the procedures for “Starting a
flooded engine.”
Starting A Flooded Engine
wARnInG!
Burn danger from hot engine!
1. Slide the ignition switch to the “I” (ON) position.
2. Open the choke, put the throttle lever in the full throttle position, then clear
excess fuel from the combustion chamber by cranking the engine several times.
3. If the engine still fails to start or fire, refer to the troubleshooting flow chart at
the end of this manual.
Stopping the Engine
OFF
Idle the engine briefly before stopping (about 2 minutes), then slide the ignition
switch to the “O” (Engine OFF) position.
Slide ignition to OFF
11
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Checking Unit Condition
NEVER operate the unit with the cut-
ting attachment shield or other protec-
tive devices removed!
ALWAYS make sure the cutting attach-
ment fits properly into the appropriate
attachment holder. If a properly installed
attachment vibrates, replace the attach-
ment with new one and re-check.
NEVER operate a unit with worn or dam-
aged fasteners or attachment holders.
Use only authorized Shindaiwa parts and
accessories with your Shindaiwa trimmer.
Do not make modifications to this unit
without written approval from Shindaiwa.
wARnInG!
A cutting attachment shield
or other protective device is no
guarantee of protection against rico-
chet. YOU MUST ALWAYS GUARD
AGAINST FLYING DEBRIS!
ALWAYS stop the engine immediately
and check for damage if you strike a
foreign object or if the unit becomes
tangled. Do not operate with broken or
damaged equipment.
ALWAYS make sure the cutting attach-
ment is properly installed and firmly
tightened before operation.
NEVER allow the engine to run at high
RPM without a load. Doing so could
damage the engine.
NEVER use a cracked or warped cut-
ting attachment: replace it with a ser-
viceable one.
Operation
Using the Hedge Trimmer
Preparations
Use lopping shears to cut out thick
branches first.
Cutting Sequence
If a radial cut is necessary, cut a little at
a time in several passes.
Cutting Techniques
Vertical Cut:
Swing the blade up and down in an arc
as you move along the hedge. Use both
sides of the cutting blade.
Cut without standing directly next to the
hedge, e.g. with a flower bed between
operator and hedge.
Overhead Cut:
Hold the shaft upright with a 90° blade
angle to cut an upper surface of a hedge.
Vertical Cut
Overhead Cut
Horizontal Cut:
Hold the cutting blade at an angle of 0°
to 10° as you swing the hedge trimmer
horizontally.
Swing the blade in an arc towards the
outside of the hedge so that the cuttings
are swept on to the ground.
Cut without standing directly in front of
the hedge, e.g. reach over a flower bed.
Cut close to the ground from a standing
position, e.g., for low shrubs.
Horizontal Cut at ground level
Horizontal Cut
12
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Maintenance
General maintenance
IMPORTAnT!
MAINTENANCE, REPLACEMENT OR REPAIR OF EMISSION CONTROL DEVICES AND SYSTEMS MAY BE PERFORMED BY
ANY REPAIR ESTABLISHMENT OR INDIVIDUAL; HOWEVER, WARRANTY REPAIRS MUST BE PERFORMED BY A DEALER
OR SERVICE CENTER AUTHORIZED BY ECHO,INC. THE USE OF PARTS THAT ARE NOT EQUIVALENT IN PERFORMANCE
AND DURABILITY TO AUTHORIZED PARTS MAY IMPAIR THE EFFECTIVENESS OF THE EMISSION CONTROL SYSTEM
AND MAY HAVE A BEARING ON THE OUTCOME OF A WARRANTY CLAIM.
nOTE:
Using non-standard replacement parts could invalidate your Shindaiwa warranty.
wARnInG!
wARnInG!
Before performing any mainte-
Non-standard accessories, cut-
nance, repair, or cleaning work on the
ting attachment, or replacement parts
unit, make sure the engine and cutting
may not operate properly with your unit
attachment are completely stopped.
and may cause damage and lead to per-
Disconnect the spark plug wire before
sonal injury.
performing service or maintenance.
Muffler
Air Filter
This unit must never be operated with a faulty or missing
spark arrester or muffler. Make sure the muffler is well
secured and in good condition. A worn or damaged muffler
is a fire hazard and may also cause hearing loss.
The H4 engine that powers your Shindaiwa model is a hybrid
4-stroke engine. As a hybrid, the engine is lubricated by oil mixed
with the gasoline and air from the carburetor that moves through
and around the internal parts of the engine in a similar way that a
Spark Plug
Keep the spark plug and wire connections tight and clean.
2-stroke engine is lubricated. Without the heavy duty 2-stage air
filter equipped on all H4 engines, dust and dirt could also move
through the engine, decreasing engine life, increasing valve wear
and the need for more frequent valve adjustments. To keep your
H4 engine strong and reliable, Shindaiwa recommends that you
check and service the air filter as instructed in the 10-Hour Main-
tenance section that follows.
Fasteners
Make sure nuts, bolts, and screws (except carburetor adjust-
ing screws) are tight.
Daily maintenance
Prior to each work day, perform the
following:
Cooling
fins
Cooling
fins
■ Remove all dirt and debris from the
engine, check the cooling fins and
air cleaner for clogging, and clean as
necessary.
Air
intake
■ Carefully remove any accumula-
tions of dirt or debris from the muf-
fler and fuel tank. Check cooling
air intake area at base of crankcase.
Remove all debris. Dirt build-up in
these areas can lead to engine over-
heating, fire, or premature wear.
Remove all dirt and debris from the engine and check the cooling fins
wARnInG!
Always wear gloves when
■ Check for loose or missing screws or
working around the cutter assembly.
■ Make sure nuts, bolts, and screws
(except carburetor idle speed adjust-
ing screws) are tight.
components. Make sure the cutter
attachment is securely fastened.
■ Lubricate the blades before use and
after refueling. Check the cutters for
damage or incorrect adjustment.
■ Check the entire unit for leaking fuel
or grease.
■ Clean any debris or dirt from the cut-
ting attachment.
13
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Maintenance (continued)
10-Hour maintenance
(more frequently in dusty condi-
tions)
Loosen
fasteners
1. Remove the air filter cover by loosen-
ing the cover screw(s) and lifting.
Prefilter
2. Remove and inspect the pre-filter.
If the pre-filter is torn or otherwise
damaged, replace it with a new one.
3. Clean the pre-filter with soap and
water. Let dry before reinstalling.
Filter element
4. Inspect the air filter element. If the
element is damaged or distorted,
replace it with a new one.
5. Tap filter gently on a hard surface to
dislodge debris from element or use
compressed air from the inside to blow
debris out and away from the air filter
element.
Components of air filter
Remove the cover of the air filter
CAUTIOn!
IMPORTAnT!
Direct the air stream at the inside face
of the filter only!
Never operate the unit if the air
cleaner assembly is damaged or
missing!
6. Install the air filter element, pre-fil-
ter and cover in the reverse order of
removal.
10/15-Hour maintenance
Remove and clean or replace the
spark plug.
Clean the spark
plug and check
the gap at the
electrode.
■ Clean the spark plug. Adjust electrode
gap according to the values listed in
the ”Specifications” section. If the
spark plug must be replaced, use only
the type recommended in ”Specifi-
cations” or equivalent resistor type
spark plug of the correct heat range.
0.6 mm
(0.024 in)
CAUTIOn!
Before removing the spark plug,
clean the area around the plug to
prevent dirt and debris from getting
into the engine’s internal parts.
Remove and inspect spark plug
Gearcase lubrication
■ Lubricate the cutter assembly
gearcase by pumping one or two
strokes of lithium-base grease into
the grease fitting (A) using a lever-
type grease gun.
CAUTIOn!
A
Over lubricating can cause the
gearcase to operate sluggishly and
can cause grease to leak out.
Gearcase
grease fitting
14
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Maintenance (continued)
50-hour maintenance
Every 50 hours of operation; more
frequently in dusty conditions:
■ Remove and clean the cylinder cover
and clean dirt and debris from the
cylinder cooling fins.
Hooked wire
Remove and replace the fuel filter
element.
■
Use a hooked wire to extract the fuel
filter from inside the fuel tank. Inspect
the fuel filter element. If it shows signs
of contamination, replace with a genu-
ine Shindaiwa replacement fuel filter
element.
Fuel filter element
Fuel filter maintenance
CAUTION!
Make sure you do not pierce the fuel
line with the end of the hooked wire.
The line is delicate and can be dam-
aged easily.
Before reinstalling the new filter
element, inspect the condition of all
the fuel system components (fuel
pick-up line, fuel return line, tank vent
line, tank vent, fuel cap and fuel tank).
If damage, splitting or deterioration
is noted, the unit should be removed
from service until it can be inspected
or repaired by a Shindaiwa-trained
service technician.
Gearcase Clamp bolt
Gearcase lubrication
Outer tube
Gearcase lubrication
To perform this operation, first remove
the gearcase from the outer tube as
follows:
Index bolt
Gearcase
Remove the outer tube from the gearcase
1. Loosen the gearcase clamp bolt.
2. Remove the index bolt from the
gearcase.
CAUTION!
Do not remove the D-shaped shim
washer from the gearcase clamp!
The shim washer prevents damage
from overtightening the tube clamp
bolt.
3. Slide the gearcase out of the tube.
Using a grease gun, pump lithium-
base grease (about 10 grams)
into the grease fitting (B) on the
gearcase until you see old grease
being purged from the gearcase.
Purged grease will be visible in the
outer tube cavity.
B
Gearcase
grease fitting
Lubricate cutter assembly and gearcase
4. Clean up excess grease, then reas-
semble the gearcase onto the outer
tube. Make sure the index bolt fits
into the hole on the outer tube.
Securely tighten both bolts.
15
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Maintenance (continued)
135-Hour Maintenance
■ Combustion chamber should be
decarbonized, and the valve clear-
ance should be adjusted. It is highly
recommended that this is done
by a Shindaiwa-trained service
technician.
■ Replace the spark plug annually:
Use only the type recommended in
the ”Specifications” section or an
equivalent resistor type spark plug
of the correct heat range. Set spark
plug electrode gap to 0.6 mm.
Valve Adjustment
1. Remove cylinder cover, rocker arm
cover, and spark plug. Rotate the
crankshaft while observing the pis-
ton through the spark plug open-
ing. When the piston is at the top of
the compression stroke (TDC), the
valves can be adjusted.
CAUTIOn!
6. Turn engine over several times,
and return to TDC-compression.
Recheck with proper feeler gauge to
make sure clearance adjustment did
not change as a result of tightening
the locknut. Readjust as necessary.
2. Loosen adjuster locknut so that the
2.5 mm Allen socket head adjustment
screw can turn freely.
■ Performing a valve adjustment
incorrectly may cause hard
starting and/or can damage the
engine.
3. Insert 0.10 mm feeler gauge between
valve stem tip and rocker arm.
■ If you are unfamiliar with this
engine or uncomfortable with
this procedure, consult with an
authorized Shindaiwa servicing
dealer.
4. Turn adjustment screw (clockwise =
tighter, counter-clockwise = looser)
until feeler gauge is almost snug.
Back off just enough to allow gauge
to slip out with limited resistance.
7. Replace rocker arm cover gasket
to assure proper sealing and install
cover.
IMPORTAnT!
5. While holding the adjustment screw
in place with the Allen driver, tighten
the locknut with a wrench.
If a new gasket is not available and/
or the old gasket is not damaged, the
old gasket may be reused. Never use
cracked or damaged gaskets!
16
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Maintenance (continued)
Cutter blade adjustment
3. Working from the gearcase end, lock
each bolt in place by firmly tighten-
ing its locknut while preventing the
shoulder bolt from turning.
Locknut
wARnInG!
The cutter blades are
very sharp! Always wear gloves
when working around the cutter
assembly.
Guide Bar
CAUTIOn!
Cutting performance of your machine
depends a great deal on proper cut-
ter blade adjustment. Properly adjusted
blades will oscillate freely yet help pre-
vent binding of cut material between
blades. Adjust blades as follows:
Operating the trimmer with worn
or improperly adjusted cutters will
reduce cutter performance and may
also damage your machine. Never
operate the machine with damaged or
worn cutters.
Cutter
Blades
Washer (should
turn freely)
Shoulder Bolt
Adjusting cutter blades
1. Loosen all blade locknuts at least
one full turn.
4. When shoulder bolt adjustment is
correct, there should be a gap of
0.25–0.50 mm between the cutter
blades and the flat washers, and the
flat washer beneath each bolt head
should turn freely.
2. Tighten each blade shoulder bolt
firmly, and then loosen the shoulder
bolts 1/4 to 1/2 turn.
Muffler and spark arrester maintenance
If the engine becomes sluggish and low
on power, check and clean the spark
arrester screen.
wARnInG!
Never operate the unit with a
damaged or missing muffler or spark
arrester! Operating with a missing
Engine Cover
Engine
Cover
Screws
or damaged spark arrester is a fire
hazard and could also damage your
hearing.
1. With a 3 mm hex wrench remove the
4 engine cover screws and the engine
cover.
Muffler
2. With a 4 mm hex wrench, remove the
3 muffler bolts and the muffler.
Muffler Gasket
3. With a small flat bladed screwdriver
remove the 2 screws holding the
spark arrester screen and cover to
the muffler.
Muffler Bolts
4. Remove the screen and clean it with a
stiff bristle brush.
5. Inspect the cylinder exhaust port for
any carbon buildup.
Spark Arrester Screen
Spark Arrester Cover
6. Reassemble the spark arrester, muf-
fler and engine cover in the reverse
order of disassembly.
Cover Screws
IMPORTAnT!
If you note excessive carbon buildup,
consult with an authorized servicing
dealer.
17
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Carburetor Adjustment
Engine Break-In
New engines must be operated a minimum duration of two tanks of fuel break-in before carburetor adjustments can be
made. During the break-in period your engine performance will increase and exhaust emissions will stabilize. Idle speed can
be adjusted as required.
High Altitude Operation
This engine has been factory adjusted to maintain satisfactory starting, emission, and durability performance up to
1,100 feet above sea level (ASL) (96.0 kPa). To maintain proper engine operation and emission compliance above
1,100 feet ASL the carburetor may need to be adjusted by an authorized Shindaiwa service dealer.
IMPORTAnT!!
If the engine is adjusted for operation above 1,100 feet ASL, the carburetor must be re-adjusted when operating the
engine below 1,100 feet ASL, otherwise severe engine damage may result.
nOTE:
Every unit is run at the factory and the carburetor is set in compliance with emission regulations. Carburetor adjustments,
other than idle speed, must be performed by an authorized Shindaiwa dealer.
Adjusting Engine Idle
Idle Speed Adjustment
1. Place the unit on the ground, then
start the engine, and then allow it to
idle 2-3 minutes until warm.
The engine must return to idle speed
whenever the throttle lever is released.
Idle speed is adjustable, and must be set
low enough to permit the engine clutch
to disengage the cutting attachment.
Idle
Ajust-
ment
Screw
2. If the attachment moves when the
engine is at idle, reduce the idle
speed by turning the idle adjustment
screw counter-clockwise.
wARnInG!
The cutting attachment
must NEVER move at engine idle! If
the idle speed cannot be adjusted by
the procedure described here, return
the unit to your Shindaiwa dealer for
inspection.
3. If a tachometer is available, adjust
idle. Check Specifications page for
correct idle speed
nOTE
Carburetor fuel mixture adjustments
are preset at factory and cannot be
serviced in the field.
Long Term Storage
Whenever the unit will not be used for 30
days or longer, use the following proce-
dures to prepare it for storage:
■ Remove the spark plug and pour
about 1/4 oz. of engine oil into the
cylinder through the spark plug hole.
Slowly pull the recoil starter 2 or 3
times so oil will evenly coat the inte-
rior of the engine. Reinstall the spark
plug.
CAUTIOn!
Gasoline stored in the carbure-
tor for extended periods can cause
hard starting, and could also lead to
increased service and maintenance
costs.
■ Clean external parts thoroughly and
apply a light coating of oil to all metal
surfaces.
■ Drain all the fuel from the carburetor
and the fuel tank.
IMPORTAnT!
All stored fuels should be stabilized with
a fuel stabilizer such as STA-BIL™.
■ Before storing the unit, repair or
replace any worn or damaged parts.
To do so:
■ Remove the air cleaner element from
the carburetor and clean it thor-
oughly with soap and water. Let dry
and reassemble the element.
1. Prime the primer bulb until no more
fuel is passing through.
nOTE
2. Start and run the engine until it stops
running.
Damage resulting from stale or con-
taminated fuel is not covered by the
Shindaiwa warranty policy.
■ Store the unit in a clean, dust-free
3. Repeat steps 1 and 2 until the engine
will no longer start.
area.
18
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Troubleshooting Guide
EnGInE DOES nOT START OR HARD TO START
Remedy
Let cool completely and restart.
Possible Cause
Engine hot/heat soaked.
Low fuel quality.
What To Check
Vaporlock.
Refill with fresh, clean unleaded gasoline with a pump octane
of 89 or higher mixed with an air cooled engine oil that
meets or exceeds ISO-L-EGD and/or JASO FD classified oils
at 50:1 gasoline/oil ratio.
Valve adjustment.
Consult with an authorized Shindaiwa
servicing dealer. Adjust valves.
Valve clearance too tight.
Valve clearance too loose.
EnGInE DOES nOT START
What To Check
Possible Cause
Remedy
Consult with an authorized Shindaiwa servicing dealer.
Faulty recoil starter.
Fluid in the crankcase.
Internal damage.
NO
NO
Does the engine crank?
YES
Tighten and re-test.
Loose spark plug.
Good compression?
Consult with an authorized Shindaiwa
servicing dealer.
Excess wear on cylinder,
piston, rings.
YES
Refill with fresh, clean unleaded gasoline with a pump octane
of 89 or higher mixed with an air cooled engine oil that
meets or exceeds ISO-L-EGD and/or JASO FD classified oils
at 50:1 gasoline/oil ratio.
Fuel incorrect, stale, or
contaminated; mixture incorrect.
NO
Does the tank contain fresh
fuel of the proper grade?
YES
Replace fuel filter or vent as required.
Re-start.
Check for clogged fuel filter
and/or vent.
Is fuel visible and moving
in the return line when
priming?
NO
NO
Consult with an authorized Shindaiwa
servicing dealer.
Priming pump not functioning properly.
YES
Move switch to “I” (ON) position
and re-start.
The ignition switch is in
“O” (OFF) position.
Is there spark at the spark
plug wire terminal?
Consult with an authorized Shindaiwa
servicing dealer.
Shorted ignition ground.
Faulty ignition unit.
YES
See "Starting a Flooded Engine"
If the plug is wet, excess
fuel may be in the cylinder.
Check the spark plug.
Clean and gap the spark plug. Check the Specifications
section for the correct plug and gap for your unit. Restart.
The plug is fouled or improperly
gapped.
Replace the spark plug. Check the Specifications section for
the correct plug and gap for your unit. Restart.
The plug is damaged internally
or of the wrong size.
19
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Troubleshooting Guide (continued)
LOw POwER OUTPUT
Remedy
What To Check
Possible Cause
Operator is overworking the unit.
Use a lower throttle setting.
Is the engine overheating?
Carburetor mixture is too lean.
Improper fuel ratio.
Consult with an authorized Shindaiwa
servicing dealer.
Refill with fresh, clean unleaded gasoline with a pump octane
of 89 or higher mixed with an air cooled engine oil that meets
or exceeds ISO-L-EGD and/or JASO FD classified oils at 50:1
gasoline/oil ratio.
Fan, fan cover, cylinder fins dirty
or damaged.
Clean, repair or replace as necessary.
Carbon deposits on the piston or
in the muffler.
Consult with an authorized Shindaiwa
servicing dealer.
Clogged air cleaner element.
Loose or damaged spark plug.
Service the air cleaner element.
Tighten or replace the spark plug.
Check the Specifications section for the correct plug and gap
for your unit.
Engine is rough at all
speeds. May also have
black smoke and/or
unburned fuel at the
exhaust.
Air leakage or clogged fuel line.
Water in the fuel.
Repair or replace fuel filter and/or
fuel line.
Refill with fresh, clean unleaded gasoline with a pump octane
of 89 or higher mixed with an air cooled engine oil that meets
or exceeds ISO-L-EGD and/or JASO FD classified oils at 50:1
gasoline/oil ratio.
Piston seizure.
Consult with an authorized Shindaiwa servicing dealer.
Faulty carburetor and/or diaphragm.
Overheating condition.
Improper fuel.
Consult with an authorized Shindaiwa
servicing dealer.
Engine is knocking.
Refill with fresh, clean unleaded gasoline with a pump octane
of 89 or higher mixed with an air cooled engine oil that meets
or exceeds ISO-L-EGD and/or JASO FD classified oils at 50:1
gasoline/oil ratio.
Carbon deposits in the
combustion chamber.
Consult with an authorized Shindaiwa
servicing dealer.
20
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Troubleshooting Guide (continued)
ADDITIOnAL PROBLEMS
Possible Cause
Remedy
Symptom
Clogged air filter.
Clean the air filter.
Poor acceleration.
Clogged fuel filter.
Lean fuel/air mixture.
Replace the fuel filter.
Consult with an authorized Shindaiwa
servicing dealer.
Idle speed set too low.
Adjust idle. Check Specifications page for correct idle speed.
Ignition switch turned off.
Fuel tank empty.
Reset the switch and re-start.
Engine stops abruptly.
Refill with fresh, clean unleaded gasoline with a pump octane
of 89 or higher mixed with an air cooled engine oil that
meets or exceeds ISO-L-EGD and/or JASO FD classified oils
at 50:1 gasoline/oil ratio.
Water in the fuel.
Clogged fuel filter.
Replace fuel filter.
Shorted spark plug or loose terminal.
Clean or replace spark plug. Check the Specifications section
for the correct plug and gap for your unit. Tighten
the terminal.
Ignition failure.
Piston seizure.
Replace the ignition unit.
Consult with an authorized Shindaiwa
servicing dealer.
Ground (stop) wire is disconnected,
or switch is defective.
Test and replace as required.
Engine difficult to shut off.
Overheating due to incorrect spark plug.
Replace the spark plug. Check the Specifications section for
the correct plug and gap for your unit. Restart.
Overheated engine.
Idle engine until cool.
Consult with an authorized Shindaiwa
servicing dealer.
Top of engine is getting
dirty and oily.
Valve cover is leaking.
Adjust idle. Check Specifications page for correct
idle speed.
Consult with an authorized Shindaiwa servicing
dealer.
Idle set too high.
Engine will not idle
down.
Engine has an air leak.
Adjust idle. Check Specifications page for correct idle
speed.
Engine idle too high.
Cutting attachment
moves at engine idle.
Broken clutch spring or worn clutch
spring boss.
Replace spring/shoes as required, check idle speed.
Loose attachment holder.
Inspect and re-tighten holders securely.
Warped or damaged attachment.
Inspect and replace attachment as
required.
Excessive vibration.
Loose gearcase.
Tighten gearcase securely.
Bent main shaft/worn or damaged bushings.
Inspect and replace as necessary.
Inspect and reinstall as required.
Shaft not installed in powerhead or gearcase.
Broken shaft.
Cutting attachment will not
move.
Consult with an authorized Shindaiwa servicing
dealer.
Damaged gearcase.
21
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SHINDAIWA LIMITED WARRANTY STATEMENT FOR
PRODUCT SOLD IN USA AND CANADA BEGINNING 01/01/2010
ECHO, INC’S RESPONSIBILITY
ECHO Incorporated’s (ECHO, INC.) Limited Warranty, provides to the original purchaser that this Shindaiwa product is free from
defects in material and workmanship. Under normal use and maintenance from date of purchase, ECHO, INC. agrees to repair
or replace at it’s discretion, any defective product free of charge at any authorized Shindaiwa servicing dealer within listed below
application time periods, limitations and exclusions. THIS LIMITED WARRANTY IS ONLY APPLICABLE TO SHINDAIWA PROD-
UCTS SOLD BY AUTHORIZED SHINDAIWA DEALERS. IT IS EXTENDED TO THE ORIGINAL PURCHASER ONLY, AND IS
NOT TRANSFERABLE TO SUBSEQUENT OWNERS EXCEPT FOR EMISSION RELATED PARTS. Repair parts and accesso-
ries replaced under this warranty are warranted only for the balance of the original unit or accessory warranty period. Any dam-
age caused by improper installation or improper maintenance is not covered by this warranty. All parts or products replaced under
warranty become the property of ECHO, INC. This warranty is separate from the Emission control warranty statement supplied with
your new product. Please consult the Emission Control Warranty Statement for details regarding emission related parts. For a list
of Authorized Shindaiwa Dealers refer to WWW.SHINDAIWA.COM or call 1-877-986-7783.
OWNER’S RESPONSIBILITY
To ensure trouble free warranty coverage it is important that you register your Shindaiwa equipment on-line at WWW.SHINDAIWA.
COM or by filling out the warranty registration card supplied with your unit. Registering your product confirms your warranty cover-
age and provides a direct link if we find it necessary to contact you.
The owner shall demonstrate reasonable care and use, and follow preventative maintenance, storage, fuel and oil usage as pre-
scribed in the operator’s manual. Should a product difficulty occur, you must, at your expense, deliver or ship your Shindaiwa unit
to an authorized Shindaiwa servicing dealer for warranty repairs (within the applicable warranty period), and arrange for pick-up
or return of your unit after the repairs have been made. For your nearest authorized Shindaiwa servicing dealer, call Shindaiwa’s
Dealer Referral Center, at 1-877-986-7783 or you can locate a Shindaiwa servicing dealer at WWW.SHINDAIWA.COM. Should you
require assistance or have questions concerning Shindaiwa’s Warranty Statement, you can contact our Consumer Product Support
Department at 1-800-673-1558 or contact us through the web at WWW.SHINDAIWA.COM.
PRODUCT WARRANTY PERIOD
RESIDENTIAL APPLICATION
•
2 YEAR WARRANTY - Units for residential, or non-income producing use will be covered by this limited warranty for
two (2) years from date of purchase.
EXCEPTIONS:
•
For engine powered products, the electronic ignition module, flexible drive cable, and solid drive shaft are warranted for
the life* of the product on parts only.
•
Cutting attachments such as, but not limited to, bars, chains, sprockets, tines, blades, PowerBroomTM, belts, and nylon
trimmer heads for residential or non-income producing use will be covered for failures due to defects in material or
workmanship for a period of 60 days from original product purchase date. Any misuse from contact with concrete,
rocks, or other structures is not covered by this warranty.
•
Multipurpose Tool Attachments carry the same warranty duration as the units they are designed to fit.
COMMERCIAL APPLICATION
•
90 DAY WARRANTY - All Chain Saws and Cut-Off Saws for commercial, institutional, agricultural, industrial, or income produc-
ing use will be covered by this limited warranty for 90 Days from the date of purchase.
2 YEAR WARRANTY - Units for commercial, institutional, agricultural, industrial, or income producing use will be covered by
this limited warranty for two (2) years from the date of purchase.
•
EXCEPTIONS:
•
•
For engine powered products, the electronic ignition module, flexible drive cables, and solid drive shafts are warranted
for the life* of the product on parts only.
Cutting attachments such as, but not limited to, bars, chains, sprockets, tines, blades, PowerBroomTM, belts, and nylon
trimmer heads for commercial, institutional, agricultural, industrial, rental, or income producing will be covered for fail-
ures due to defects in material or workmanship for a period of 30 days from original product purchase date. Any misuse
from contact with concrete, rocks, or other structures is not covered by this warranty.
•
Multipurpose Tool Attachments carry the same warranty duration as the units they are designed to fit.
RENTAL APPLICATION - 90 DAYS WARRANTY
•
Units for rental use will be covered against defects in material and workmanship for a period of 90 days from the date of pur-
chase.
*
ECHO INC’s liability under the “Lifetime” coverage is limited to furnishing parts specified under the PRODUCT Warranty
PERIOD section of this warranty statement for “Life” free of charge for a period of ten (10) years after the date of the complete
unit’s final production.
22
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PURCHASED REPAIR PARTS AND ACCESSORIES
• 90-day all applications
ATTENTION ENGINE POWERED PRODUCT OWNERS
This Shindaiwa engine powered product is a quality-engineered unit which has been manufactured to exact tolerances to provide
superior performance. To help ensure the performance of the unit, it is required to use engine oil which meets the ISO-L-EGD
Standard per ISO/CD 13738 and JASO M345/FD Standards. Shindaiwa Red ArmorTM and Shindaiwa OneTM are a premium engine
oil specifically formulated to meet ISO-L-EGD (ISO/CD 13738) and JASO M345/FD Standards. The use of engine oils designed
for other applications, such as for outboard motors or lawnmowers can result in severe engine damage, and will void your engine
limited warranty.
THIS WARRANTY DOES NOT COVER DAMAGE CAUSED BY:
• Lack of lubrication or engine failure, due to the use of engine oils that do not meet the ISO-L-EGD (ISO/CD 13738) and JASO
M345/FD Standards. Shindaiwa Red ArmorTM and Shindaiwa OneTM Engine Oil meets the ISO-L-EGD and JASO M345/FD
Standard. Emission related parts are covered for 2 years regardless of engine oil used, per the statement listed in the EPA or
California Emission Control Warranty Explanation.
• Damage caused by use of gasohol, containing methanol (wood alcohol), or gasoline containing less than 89 octane. Only use
gasoline which contains 89 octane or higher. Gasohol which contains a maximum 10% ethanol (grain alcohol) or 15% MTBE
(methyl/tertiary/butyl/ether) is also approved. The prescribed mixing ratio of gasoline to oil is listed on the Shindaiwa oil label and
covered in your operator’s manual.
• Engine damage caused by use of ether or any starting fluids.
• Damage caused by tampering with engine speed governor or emission components, or running engines above specified and
recommended engine speeds as listed in your operator’s manual.
• Operation of the unit with improperly maintained/removed cutting shield or removed/damaged air filter.
• Damage caused by dirt, pressure or steam cleaning the unit, salt water, corrosion, rust, varnish, abrasives, and moisture.
• Defects, malfunctions or failures resulting from abuse, misuse, neglect, modifications, alterations, normal wear, improper servic-
ing, or use of unauthorized attachments.
• Incorrect storage procedures, stale fuel, including failure to provide or perform required maintenance services as prescribed in
the operator’s manual. Preventative maintenance as outlined in the operator’s manual is the customer’s responsibility.
• Failures due to improper set-up, pre-delivery service or repair service by anyone other than authorized Shindaiwa servicing
dealer during the warranty period.
• Certain parts and other items are not warranted, including but not limited to: lubricants, starter cords, and engine tune-ups.
• Use of spark plugs other than those meeting performance and durability requirements of the OEM spark plug listed in the Opera-
tor’s Manuals.
• Overheating or carbon scoring failures due to restricted, clogged exhaust port or combustion chamber, including damage to
spark arrester screen.
• Adjustments after the first (30) thirty days and beyond, such as carburetor adjustment and throttle cable adjustment.
• Damage to gears or gear cases caused by contaminated grease or oil, use of incorrect type or viscosity of lubricants, and/or
failure to comply with recommended grease or oil change intervals.
• Damage caused by pump or sprayer running dry, pumping or spraying caustic or flammable materials, or lack of or broken
strainers.
• Additional damage to parts or components due to continued use after operational problem or failure occurs. Should operational
problem or failure occur, the product should not be used, but delivered as is to an authorized Shindaiwa servicing dealer.
It is a dealer’s and/or customer’s responsibility to complete and return the warranty registration card supplied with your Shindaiwa
product or by visiting WWW.SHINDAIWA.COM. Your receipt of purchase including date, model and serial number must be main-
tained and presented to an authorized Shindaiwa servicing dealer for warranty service. Proof of purchase rests solely with the cus-
tomer. Some states do not allow limitations on how long an implied warranty lasts, so the above limitations may not apply to you.
Some states do not allow the exclusion or limitation of incidental or consequential damages, so you may also have other specific
legal rights which vary from state to state. This limited warranty is given by ECHO Incorporated, 400 Oakwood Rd., Lake Zurich, IL
60047.
DISCLAIMER OF IMPLIED WARRANTIES
This limited warranty is in lieu of all other expressed or implied warranties, including any warranty of FITNESS FOR A PARTICU-
LAR PURPOSE OR USE and any implied warranty of MERCHANTABILITY otherwise applicable to this product. ECHO, INC. and
its affiliated companies shall not be liable for any special incidental or consequential damage, including lost profits. There are no
warranties extended other than as provided herein. This limited warranty may be modified only by ECHO, INC.
99922201031
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ECHO INCORPORATED EMISSION CONTROL WARRANTY STATEMENT
FOR ECHO AND SHINDAIWA BRANDS
The Environmental ProtectionAgency (EPA) and the CaliforniaAir Resources Board (C.A.R.B.) and ECHO Incorporated (ECHO Inc.) are pleased
to explain the emission control system warranty on your 2010 and later equipment/small off-road engine (SORE). New equipment/SORE must be
designed, built and equipped to meet stringent EPA and C.A.R.B. anti-smog standards. ECHO Inc. must warrant the emission control system on
your equipment/SORE for the periods of time listed below, provided there has been no abuse, neglect or improper maintenance of your equipment/
SORE. Your emission control system may include parts such as: carburetor, fuel-injection system, ignition system, catalytic converter/muffler, fuel
tank, fuel feed lines, fuel cap assembly, spark plug, air filters, and other associated components. Where a warrantable condition exists, ECHO
Inc will repair your equipment/SORE at no cost to you including diagnosis, parts and labor. The Emission Control System warranty is extended
to the original owner including all subsequent owners.
MANUFACTURER'S WARRANTY COVERAGE:
The emission control system is warranted for 2 years or the length of the ECHO Inc. warranty, whichever is longer. If any emission-related part
on your equipment is defective, the part will be repaired or replaced by ECHO Inc. or its Authorized Service Representative.
OWNER'S WARRANTY RESPONSIBILITIES:
As the equipment/SORE owner, you are responsible for the performance of the required maintenance listed in your Operator's Manual. ECHO
Inc. recommends that you retain all receipts covering maintenance on your equipment/SORE however, ECHO Inc. cannot deny warranty solely
for the lack of receipts or for your failure to ensure the performance of all scheduled maintenance. As the equipment/SORE owner, you should be
aware that ECHO Inc. may deny you warranty coverage if your equipment/SORE or a part has failed due to abuse, neglect, improper maintenance
or unapproved modifications.
You are responsible for presenting your equipment/SORE to an ECHO Inc. authorized service representative as soon as a problem exists. The
warranty repairs should be completed in a reasonable amount of time, not to exceed 30 days. If a warrantable condition exists and there is no
Authorized Dealer within 100 miles, ECHO Inc. will pay to ship the unit to the nearest authorized dealer. If you have questions regarding your
warranty coverage, you should contact ECHO Inc. at 1-800-673-1558, web site WWW.ECHO-USA.COM or contact Shindaiwa at 1-877-986-
7783, web site WWW.SHINDAIWA.COM.
WHAT DOES THIS WARRANTY COVER?
ECHO Inc. warrants that your equipment/SORE was designed, built and equipped to conform with applicable EPA and C.A.R.B. emissions
standards and that your equipment/SORE is free from defects in material and workmanship that would cause it to fail to conform with applicable
requirements for 2 years or the length of the ECHO Inc. warranty, whichever is longer. The warranty period begins on the date the product is
purchased by an end user.
HOW WILL A COVERED PART BE CORRECTED?
If there is a defect in a part covered by this warranty, any ECHO Inc. Authorized Service Dealer will correct the defect. You will not have to pay
anything to have the part adjusted, repaired or replaced. This includes any labor and diagnosis for warranted repairs performed by the dealer. In
addition, engine parts not expressly covered under this warranty but whose failure is a result of a failure of a covered part will be warranted.
WHAT PARTS ARE COVERED?
Any applicable emission related part not scheduled for "required maintenance" will be repaired or replaced within the warranty period. The repaired
or replaced part will be warranted for the remaining ECHO Inc. warranty period.
Any warranted part that is scheduled only for regular inspection in the written instructions supplied is warranted for the warranty period stated
above. Any such part repaired or replaced under warranty will be warranted for the remaining ECHO Inc. warranty period.
Any emission related part scheduled for replacement during "required maintenance" is warranted for the period of time prior to the first scheduled
replacement point for that part. Any such part repaired or replaced under warranty shall be warranted for the remainder of the period prior to the
first scheduled replacement point for that part.
Any manufacturer-approved replacement part may be used in the performance of any warranty maintenance or repairs on emission related parts,
and must be provided without charge if the part is still under warranty.
Any replacement part that is equivalent in performance and durability may be used in non-warranty maintenance or repairs, and shall not reduce
the warranty obligations of the manufacturer.
Throughout the equipment/SORE warranty period, ECHO Inc. will maintain a supply of warranted parts sufficient to meet the expected demand
for such parts.
SPECIFIC EMISSION RELATED WARRANTED PARTS:
• Electronic Ignition System
• Catalytic Converter / Muffler Assembly
• Choke
• Spark Plug
• Carburetor (complete assembly or replaceable components)
• Fuel-Injection Assembly (or replaceable components)
• Fuel Cap Assembly
• Fuel Tank
• Air Filter
• Fuel Feed Line (and associated clamps/connectors as applicable)
WHAT IS NOT COVERED?
Any failure caused by abuse, neglect, improper maintenance, unapproved modifications, use of unapproved add-on parts/modified parts or
unapproved accessories.
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Servicing Information
Parts/Serial number
Genuine Shindaiwa Parts and Assemblies for your Shindaiwa products are available only from an Authorized
Shindaiwa Dealer. When you do need to buy parts always have the Model Number, Type and Serial Number of the
unit with you. You can find these numbers on the engine. For future reference, write them in the space provided
below.
Model No. _____________
SN. ______________
Service
Service of this product during the warranty period must be performed by an Authorized Shindaiwa Service Dealer.
For the name and address of the Authorized Shindaiwa Service Dealer nearest you, ask your retailer or call: 1-877-
986-7783. Dealer information is also available on WWW.SHINDAIWA.COM. When presenting your unit for War-
ranty service/repairs, proof of purchase is required.
Consumer Product Support
If you require assistance or have questions concerning the application, operation or maintenance of this product you
may call the Shindaiwa Consumer Product Support Department at 1-877-986-7783 from 8:30 am to 4:30 pm (Cen-
tral Standard Time) Monday through Friday. Before calling, please know the model and serial number of your unit.
warranty Registration
To ensure trouble free warranty coverage it is important that you register your Shindaiwa equipment by filling out the
warranty registration card supplied with your unit. Registering your product confirms your warranty coverage and
provides a direct link if we find it necessary to contact you.
Additional or Replacement Manuals
Replacement Operator and Parts Catalogs are available from your Shindaiwa dealer or at WWW.SHINDAIWA.
COM or by contacting the Consumer Product Support Department (1-877-986-7783). Always check WWW.SHIN-
DAIWA.COM for updated information.
ECHO Incorporated.
400 Oakwood Road
Lake Zurich, IL 60047-1564 U.S.A.
Telephone: 1-877-986-7783
Fax: 1-847-540-8416
Yamabiko Corporation
7-2 Suehirocho 1-Chome, Ohme,
Tokyo, 198-8760, Japan
Phone: 81-428-32-6118
Fax: 81-428-32-6145
Copyright© 2010 By Echo, Incorporated
All Rights Reserved.
T12813001001/T12813999999
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