Shindaiwa Edger LE231 User Manual

SHINDAIWA OWNER’S/OPERATOR’S MANUAL  
LE231/EVC LAWN EDGER  
LE231  
Minimize the risk of injury to yourself and others!  
Read this manual and familiarize yourself with the  
contents. Always wear eye and hearing protection  
WARNING!  
when operating this unit.  
Part Number 62719-94310 Rev. 11/06  
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The Properly Equipped Operator  
General Safety Instructions  
Stay Alert  
You must be physically and mentally fit to  
operate this unit safely.  
Wear hearing protection devices  
and a broad-brimmed hat or  
helmet.  
Wear close-fitting clothing to  
protect legs and arms. Gloves  
offer added protection and  
are strongly recommended.  
Do not wear clothing or  
jewelry that could get caught  
in machinery  
or underbrush.  
Secure hair so it is  
above shoulder  
level. NEVER  
Always wear eye protection such as  
WARNING!  
goggles or safety glasses.  
Never operate power equipment of any  
kind if you are tired or if you are under  
the influence of alcohol, drugs, medica-  
tion or any other substance that could  
affect your ability or judgement.  
Always operate with both  
hands firmly gripping the  
unit.  
wear shorts!  
WARNING!  
Minimize the Risk of Fire  
NEVER smoke or light fires near the  
trimmer or edger.  
ALWAYS stop the engine and allow it  
to cool before refueling. Avoid overfill-  
ing and wipe off any fuel that may have  
spilled.  
Always make sure the appropriate  
cutting attachment shield is correctly  
installed and in good condition.  
ALWAYS move the unit to a place well  
away from a fuel storage area or other  
readily flammable materials before  
starting the engine.  
Keep a proper footing  
and do not over-  
reach—maintain your  
balance at all times  
during operation.  
NEVER place flammable material close  
to the engine muffler.  
NEVER run the engine without the  
spark arrester screen in place.  
Wear appropriate footwear (non-skid  
boots or shoes): do not wear open-toed  
shoes or sandals. Never operate the  
unit while barefoot!  
Keep away from the rotating cutting  
attachment at all times, and never lift a  
moving attachment above waist-high.  
WARNING!  
The engine exhaust from this product  
contains chemicals known to the State  
of California to cause cancer, birth de-  
fects and other reproductive harm.  
Figure 1  
3
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Safety Labels  
READ THE  
OPERATOR’S MANUAL  
This label indicates the minimum  
distance between front handle and  
rear grip per ANSI B175.3.  
WEAR HEARING AND  
ANSI Z87.1 APPROVED  
EYE PROTECTION  
50 FEET  
(15m)  
KEEP BYSTANDERS AWAY  
AT LEAST 50 FEET (15m)  
BEWARE OF THROWN OR  
RICHOCHETED OBJECTS  
LE231  
KEEP AWAY FROM  
ROTATING BLADE  
Shindaiwa  
P/N 19422-00046  
IMPORTANT  
Safety and Operation Information Labels:  
Make sure all information labels are  
undamaged and readable. Immediately  
replace damaged or missing information  
labels. New labels are available from your  
local authorized Shindaiwa dealer.  
Figure 2  
Be Aware of the Working Environment  
Make sure bystanders or observers  
outside the 50-foot “danger zone”  
wear eye protection.  
Avoid long-term operation  
in very hot or very cold  
weather.  
Reduce the risk of  
bystanders being struck  
by flying debris. Make  
sure no one is within 50  
feet (15 meters)—that’s  
about 16 paces—of an  
Be extremely  
careful of  
slippery terrain,  
especially  
during rainy  
weather.  
operating attachment.  
50  
FEET  
Always make sure  
the appropriate  
cutting attachment  
shield is correctly  
installed.  
Beware of a coasting blade  
when edging. A coasting  
blade can injure while it  
continues to spin after the  
throttle trigger is released  
or after the engine is  
stopped.  
If contact is made with a hard object,  
stop the engine and inspect the cutting  
attachment for damage.  
Be constantly alert for objects and debris  
that could be thrown either from the rotating  
cutting attachment or bounced from a  
hard surface.  
When operating in rocky terrain  
or near electric wires or fences,  
use extreme caution to avoid contacting  
such items with the cutting attachment.  
Figure 3  
4
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Product Description  
Using the accompanying illustrations as a  
guide, familiarize yourself with your unit  
and its various components. Understanding  
your unit helps ensure top performance,  
long service life, and safer operation.  
See Figure 4.  
LE231 LAWN  
EDGER  
Spark Plug  
Handle  
Ignition  
Switch  
WARNING!  
Fuel Tank  
Grip  
Do not make unauthorized modifica-  
tions or alterations to any of these  
products or their components.  
Cutting Attachment  
Shield  
Throttle  
Lever  
Prior to Assembly  
Gear case  
Outer Tube  
Before assembling, make sure you have all  
the components required for a complete unit:  
Engine assembly  
Outer tube assembly  
Cutting attachment shield  
Handle  
Blade  
Figure 4  
mounting hardware, this manual and tool  
Carefully inspect all components for damage.  
kit for routine maintenance. Tool kits vary  
by model and may include a hex wrench,  
spark plug/screwdriver combination  
wrench, and spanner wrench.  
IMPORTANT!  
Kit containing cutting attachment shield  
mounting bracket and hardware, handle  
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.  
Specifications  
Engine Model..............................................................Shindaiwa S230 Muffler ...................................................................... 2-Stage, Catalyst  
LE231 Dry Weight (less attachments) .......................13.7 lb./6.2 kg Ignition........................... One-piece electronic, transistor-controlled  
Engine Model...........................................................Shindaiwa S230C Spark plug......................................................................Champion CJ8  
Engine Type .............................. 2-cycle, vertical-cylinder, air-cooled Air cleaner type ...................... Non-reversible flocked filter element  
Bore x Stroke............................................ 1.26 x 1.10 in./32 x 28 mm Starting method ..........................................................................Recoil  
Displacement........................................................... 22.5 cc/1.4 cu. in. Stopping method...............................................................Slide switch  
Maximum Power...................... 1.1 HP/0.8 kW @ 7500 RPM (min-1) Transmission type................................Automatic, centrifugal clutch  
w/bevel gear  
Fuel/oil Ratio.................................................50:1 with ISO-L-EGD or  
JASO FC class 2-cycle Mixing Oil EPA Emission  
Compliance Period*...........................................................Category A  
Shindaiwa ONE is a registered JASO FC classified oil and also  
meets or exceeds ISO-L-EGD performance requirements.  
* The EPA emission compliance referred to on the emission compliance label  
Fuel Tank Capacity ..................................................... 22.7 oz./670 ml  
Carburetor Type...........................Walbro WYL-122, diaphragm-type  
located on the engine, indicates the number of operating hours for which the  
engine has been shown to meet Federal emission requirements. Category  
C = 50 hours (Moderate), B = 125 hours (Intermediate) and A = 300 hours  
(Extended).  
*Specifications are subject to change without notice.  
5
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Assembly  
Driveshaft/Powerhead  
Connect the Outer Tube to the  
Powerhead.  
1. Place the powerhead on a clean, flat sur-  
face, spark plug facing up. See Figure 5.  
Spark Plug  
Clamp Screw  
Main  
Shaft  
Outer Tube  
Tube Clamp  
Grip  
Ignition  
Switch  
Hex  
Wrench  
Tube  
Clamp  
Figure 5  
Throttle Lever  
2. Use the 4 mm hex wrench to loosen the  
tube clamp screw. See Figure5.  
Figure 6  
3. Add some moly-type EP grease to  
splines at the end of the main shaft.  
5. Position the outer tube so that the igni-  
tion switch is facing up and the throttle  
lever is facing down. See Figure 6.  
7. Tighten the clamp screw firmly.  
CAUTION!  
Do not force the shaft tube into the  
powerhead! Excessive force can dam-  
age the shaft tube and mainshaft.  
4. Slide the outer tube into the tube clamp  
until the tube bottoms. If installation  
is difficult, rotate the outer tube or  
gearcase shaft slightly until you feel the  
mainshaft engage with the powerhead.  
See Figure 6.  
6. Slide the outer tube into the powerhead  
until the throttle grip just contacts the  
tube clamp.  
Assembly  
Throttle Linkage and Ignition Leads  
Remove the Cylinder Cover.  
1. Remove the spark plug boot.  
Connect the Throttle Cable.  
3. Connect the S-shaped end of the throttle  
cable to the throttle lever on top of the  
carburetor. See Figure 9.  
1. Loop the ribbed cable tube to the top  
left side of the engine.  
2. Remove the two lower cylinder cover  
screws.  
2. Install the black wire between the  
two cable adjuster nuts as shown. See  
Figure 8.  
3. Loosen the top cylinder cover screw un-  
til the cover is free of the engine. (The  
top cylinder cover screw is captive).  
Lift the cylinder cover off of the engine.  
See Figure 7.  
Ignition  
Leads  
Top Cylinder  
Cover Screw  
146  
Cable  
Adjuster  
Hex Wrench  
Spark Plug  
Figure 9  
Boot  
23145  
Figure 8  
6  
Lower Cylinder  
Cover Screws  
Figure 7  
6
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Assembly  
Throttle Linkage and Ignition Leads  
Assemble and Adjust  
the Throttle Cable.  
Black Wire  
Red Wire  
1. Insert the throttle cable housing into the  
notch on the fan cover, and clamp the  
black wire’s connector between the fan  
cover and the cable outer adjuster nut.  
See Figure 10.  
Spark  
Plug Boot  
2. Tighten the two throttle cable adjuster  
nuts.  
IMPORTANT!  
Adjust and tighten the cable nuts to allow  
approximately 1/4-inch free play at the  
throttle trigger.  
3. Using finger pressure only, connect the  
black switch wire from the cable tube to  
the red ignition wire on the powerhead.  
Wire routing must be as shown in the  
illustration with the black wire located  
over the spark plug wire. See Figure 10.  
Ignition Ground  
Lead  
Black Wire  
Figure 10  
4. Reinstall the cylinder cover and tighten  
the three cover screws.  
CAUTION!  
Routing of wiring must not interfere with  
throttle operation.  
5. Reinstall the spark plug boot.  
Assembly  
Handle LE231  
Connect the Handle to  
the Outer Tube.  
Ignition  
Switch  
Handle  
Throttle  
Assembly  
1. Remove both screws from the handle.  
2. While spreading the handle at the  
mounting hole, position the handle on  
the outer tube as shown.  
3. Reinstall the two mounting screws in  
the handle, but do not tighten them at  
this time.  
Hex Nut  
Hex Nut  
NOTE:  
The handle is recessed to receive the hex  
nuts.  
Mounting Screw  
Washer  
4. Locate the handle at the best position  
for operator comfort (usually about 10  
inches ahead of the throttle assembly).  
2
5. Secure the handle by tightening the  
mounting screw and the adjustment  
knob screw.  
Washer  
Outer Tube  
Adjustment  
Knob  
Figure 11  
7
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Assembly  
Attachment Shield and Edger Blade LE231  
3. Install the socket-head screws with  
Mount the Edger Blade  
1. Install the holder A onto the output  
shaft. See Figure 13.  
Cutting  
Attachment  
Shield  
washers, then use the hex wrench to  
firmly tighten all three screws. See  
Figure 12.  
2. Mount the edger blade and holder B  
onto the output shaft, and then install  
the bolt guard and shaft bolt (turn bolt  
counterclockwise to install).  
4. Install a washer and nut on each of the  
three screws assembled in Step 3, then  
firmly tighten each nut.  
Gearcase  
Flange  
23029  
See Figure 13.  
Nut  
3. Align the hole in holder A with the  
matched hole in the gearcase, and then  
use the hex wrench to temporarily lock  
the output shaft. See Figure 13.  
4. Use the combination wrench to firmly  
tighten the shaft bolt. Remove the hex  
wrench. See Figure 13.  
IMPORTANT  
The three socket-head screws must be  
firmly tightened against the cutting attach-  
ment shield before installing and tightening  
the nuts.  
Spring  
Washer  
23030  
Socket-head screws  
and washers  
Figure 12  
Output Shaft  
Bolt Guard  
Mount the Cutting Attachment Shield  
on the Gearcase.  
WARNING!  
1. Remove the shaft bolt, bolt guard, hold-  
er A and holder B from the gearcase.  
See Figure 12.  
The LE231 is designed for use with  
an Edger blade only!  
Shaft  
Bolt  
Never operate the LE231 without  
the Cutting Attachment Shield in-  
stalled and tightly secured!  
2. Align the cutting attachment shield as-  
sembly with the gearcase as shown, and  
then fit the shield onto the matching  
flange on the gearcase. See Figure 12.  
Holder A  
Holder B  
The LE231 Edger should now be  
completely assembled.  
Edger  
Blade  
WARNING!  
23031  
The LE231 is intended for right-handed  
operation only! When correctly assem-  
bled, the cutting attachment shield and  
shaft must be oriented as shown.  
Lock the shaft  
Figure 13  
Mixing Fuel  
CAUTION!  
Use only fresh, clean unleaded gasoline  
low emissions engines. Shindaiwa One also  
includes a fuel stabilizer.  
with a pump octane of 87 or higher.  
Some types of gasoline contain al-  
cohol as an oxygenate. Oxygenated  
gasoline may cause increased op-  
erating temperatures. Under certain  
conditions, alcohol-based gasoline  
may also reduce the lubricating  
Mixed with 50:1 Shindaiwa ISO-L-EGD  
or JASO FC class 2-cycle mixing oil at a  
gasoline/ratio of 50:1 (1 gallon of gaso-  
line to 2.6 ozs mixing oil). Shindaiwa One  
meets or exceeds these requirements.  
IMPORTANT!  
Mix only enough fuel for your immediate  
needs! If fuel must be stored longer than  
30 days and  
oil with fuel stabilizer  
is not used, it should first be treated with a  
qualities of some 2-cycle mixing oils.  
fuel stabilizer such as STA-BIL™.  
Examples of 50:1 mixing quantities  
1 gallon of gasoline to 2.6 oz. mixing oil.  
5 liters of gasoline to 100 ml. mixing oil.  
Never use any type of gasoline  
containing more than 10% alcohol  
by volume! Generic oils and some  
outboard oils may not be intended  
for use in high-performance 2-cycle  
type engines, and should never be  
used in your Shindaiwa engine.  
CAUTION!  
This engine is designed to operate on  
a 50:1 mixture consisting of unleaded  
gasoline and ISO-L-EGD or JASO FC  
class 2-cycle mixing oil only. Use of  
non-approved mixing oils can lead to  
excessive carbon deposits.  
Oil is a registered JASO FC classi-  
fied oil and also meets or exceeds ISO-L-EGD  
performance requirements. Shindaiwa One  
is recommended for use in all Shindaiwa  
Filling the Fuel Tank  
1. Place the unit on a flat, level surface.  
WARNING!  
Minimize the Risk of Fire!  
ALWAYS stop the engine and allow it to  
cool before refueling. Avoid overfilling and  
wipe off any fuel that may have spilled.  
NEVER start or operate this unit if the  
carburetor, fuel lines, fuel tank and/or fuel  
tank cap are damaged.  
2. Clear any dirt or other debris from  
around the fuel filler cap.  
NEVER smoke or light any fires near the  
3. Remove the fuel cap, and fill the tank  
with clean, fresh fuel.  
engine or fuel source!  
Wipe all spilled fuel and move the engine  
at least 10 feet (3 meters) from the fueling  
point and source before restarting!  
NEVER place any flammable material  
4. Reinstall the fuel filler cap and tighten  
firmly.  
near the engine muffler!  
NEVER operate the engine without the  
muffler and spark arrester in good work-  
ing condition.  
NEVER start or operate this unit if there is  
a fuel leak.  
8
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Starting the Engine  
IMPORTANT!  
5. When the engine starts, slowly move the  
choke lever to the “OPEN” position. See  
Figure 18. (If the engine stops after the  
initial start, close the choke and restart.)  
Closed  
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.  
Open  
Figure 16  
3. Set the choke lever to the CLOSED posi-  
tion if engine is cold.  
23122  
Figure 18  
Make sure the  
cutting head  
is clear of  
Figure 14  
1. Slide the ignition switch to the “I” posi-  
tion (engine ON).  
obstructions!  
WARNING!  
Never start the engine from the operat-  
ing position.  
Return Tube  
IMPORTANT!  
If the engine fails to start after several  
attempts with the choke in the closed posi-  
tion, the engine may be flooded with fuel. If  
flooding is suspected, move the choke lever  
to the open position and repeatedly pull the  
recoil starter to remove excess fuel and  
start the engine. If the engine still fails to  
start, refer to the troubleshooting section of  
this manual.  
Figure 17  
4. While holding the outer tube firmly with  
one hand, slowly pull the recoil starter  
handle until resistance is felt, then pull  
quickly to start the engine.  
Primer Bulb  
Figure 15  
CAUTION!  
2. Press the primer bulb until fuel can be  
seen flowing in the transparent return  
tube.  
When the Engine Starts...  
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.  
After the engine starts, allow the engine  
to warm up at idle 2 or 3 minutes before  
operating the unit.  
IMPORTANT!  
The primer system only pushes fuel  
through the carburetor. Repeatedly  
pressing the primer bulb will not flood the  
engine with fuel.  
Advancing the throttle makes the cut-  
ting attachment turn faster; releasing  
the throttle permits the attachment to  
stop turning. If the cutting attachment  
continues to rotate when the engine  
returns to idle, carburetor idle speed  
should be adjusted.  
WARNING!  
The cutting attachment may rotate  
when the engine is started!  
Stopping the Engine  
Idle the engine briefly before stopping  
(about 2 minutes), then slide the ignition  
switch to the “O” (engine OFF) position.  
See Figure 19.  
Figure 19  
9
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Adjusting Engine Idle  
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.  
1. Place the trimmer on the ground, then  
start the engine, and then allow it to idle  
2-3 minutes until warm.  
Idle Adjusting  
Screw  
2. If the attachment rotates when the  
engine is at idle, reduce the idle speed  
by turning the idle adjustment screw  
counter-clockwise. See Figure 20.  
Idle Speed Adjustment  
3. If a tachometer is available, the engine idle  
speed should be final adjusted to 2,750  
( 250) RPM (min-1).  
WARNING!  
The cutting attachment must NEVER  
rotate at engine idle! If the idle speed  
cannot be adjusted by the procedure  
described here, return the trimmer to  
your Shindaiwa dealer for inspection.  
4. Carburetor fuel mixture adjustments are  
preset at factory and cannot be serviced  
in the field.  
Figure 20  
Checking Unit Condition  
NEVER operate the unit with the cutting  
attachment shield or other protective de-  
vices (ignition switch, etc.) removed!  
Use only authorized Shindaiwa parts and  
accessories with your Shindaiwa trimmer.  
Do not make modifications to your unit  
without the written approval of Shindaiwa  
Inc.  
tachment vibrates, replace the attachment  
with a new one and re-check.  
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 equip-  
ment, or attachments.  
WARNING!  
ALWAYS make sure the cutting attach-  
ment is properly installed and firmly tight-  
ened before operation.  
A cutting attachment shield or other  
protective device is no guarantee of  
protection against ricochet. YOU MUST  
ALWAYS GUARD AGAINST FLYING  
DEBRIS!  
NEVER allow the engine to run at high  
rpm without a load. Doing so could damage  
the engine.  
NEVER use a cracked or warped cutting at-  
tachment: replace it with a serviceable one.  
ALWAYS make sure the cutting attach-  
ment fits properly into the appropriate  
attachment holder. If a properly installed at-  
NEVER operate a unit with worn or dam-  
aged fasteners or attachment holders.  
Using a Hand-Held Edger  
Guidelines for Operating the Edger.  
Before edging, make sure the area is  
soft enough so the blade does not bog  
down. If necessary, water the area be-  
fore edging.  
WARNING!  
Wear eye protection, long pants,  
and boots when operating this unit!  
Remove debris and other obstacles that  
Whenever you strike a hard  
object with the blade, always stop  
the edger and carefully inspect  
the blade for damage. NEVER  
OPERATE THE EDGER WITH A  
DAMAGED BLADE!  
could be thrown by the rotating blade.  
Plan your work so the edger blade is  
always on your right-hand side.  
Begin each pass by positioning the unit  
over the work, and with the engine run-  
ning at about half-throttle. Slowly lower  
the blade to the ground while applying full  
throttle. See Figure 21.  
CAUTION!  
Low-speed edging can lead to prema-  
ture clutch failure.  
Do not move the edger into the work so  
fast that the engine or blade bogs down.  
Regular and frequent use of the edger  
will make a neater lawn, and a frequently  
trimmed edge will be easier to maintain.  
Figure 21  
10  
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Adjusting Blade Cutting Depth.  
The edger’s depth of cut is controlled by a  
combination of operator height, blade wear,  
and the positioning of the edger’s guide  
wheel.  
To adjust blade height:  
1. Loosen the guide wheel adjusting knob.  
See Figure 22.  
Guide Wheel  
Adjusting knob  
2. Raise or lower the guide wheel to the  
desired setting. See Figure 22a.  
3. Tighten the guide wheel adjusting knob  
firmly. See Figure 22.  
Guide Wheel  
WARNING!  
Never adjust the guide wheel while the  
engine is running.  
NOTE:  
Guide wheel adjustment is also required to  
compensate for blade wear.  
The numbers are for  
reference only; they do  
NOT refer to depth in  
inches  
WARNING!  
23046  
Figure 22a  
Use only Shindaiwa replacement edger  
blades.  
Figure 22  
General Maintenance  
IMPORTANT!  
Edger Blades  
MAINTENANCE, REPLACEMENT OR  
REPAIROFEMISSIONCONTROLDEVICES  
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 Shindaiwa Corporation  
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.  
Check the edger blades condition frequent-  
ly. If an edger blade’s performance changes  
suddenly, stop the engine and check the  
blade for cracks or other damage. Replace  
a damaged edger blade IMMEDIATELY!  
WARNING!  
Non-standard parts may not operate  
properly with your unit and may cause  
damage and lead to personal injury.  
NOTE:  
Using non-standard replacement parts could  
invalidate your Shindaiwa warranty.  
WARNING!  
Never repair a damaged edger  
blade by welding, straightening, or  
by modifying its shape. An altered  
edger blade may break during op-  
eration, resulting in serious personal  
injury.  
Muffler  
This unit must never be operated with a  
faulty or missing spark arrester or muf-  
fler. 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 LE231 Edger is designed for  
use with a single, bar-type blade  
only.  
WARNING!  
Spark Plug  
Blades are not interchangeable  
between Shindaiwa edgers and  
brushcutter models. Operating any  
unit with a blade or attachment  
not approved for that unit can be  
hazardous and may cause serious  
injury.  
Before performing any maintenance,  
repair or cleaning work on the unit,  
make sure the engine and cutting  
attachment are completely stopped.  
Disconnect the spark plug wire before  
performing service or maintenance  
work.  
Keep the spark plug and wire connections  
tight and clean.  
Fasteners  
Make sure nuts, bolts, and screws (except  
carburetor adjusting screws) are tight.  
11  
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Daily Maintenance  
Prior to each work day, perform the following:  
Check for loose or missing screws or  
components. Make sure the tool and cut-  
ting attachment are securely fastened.  
Remove dirt or debris from the engine,  
Carefully remove any accumulation of  
dirt or debris from the muffler or the  
fuel tank. Dirt build-up in these areas  
could cause the engine overheating,  
induce premature wear, or create a fire  
hazard.  
check the cooling fins and air cleaner for  
clogging and clean them as necessary.  
Check the entire unit for leaking fuel or  
grease.  
10-Hour Maintenance  
Every 10 hours of operation (more  
frequently in dusty or dirty conditions):  
Remove and clean  
or replace  
Loosen Knob  
the element  
Remove the air cleaner element. See  
Figure 23. Clean or replace as neces-  
sary. To clean element: Wash it thor-  
oughly in soap and water. Let it dry  
before reinstalling the element.  
CAUTION!  
Do not operate the unit if the air  
cleaner or element is damaged, or if  
the element is wet.  
Figure 23  
10/15-Hour Maintenance  
Every 10 to 15 hours of operation:  
Clean the spark plug  
Remove and clean the spark plug. Adjust  
the spark plug electrode gap to 0.024-  
inch (0.6 mm). If the spark plug must be  
replaced, use only a Champion CJ8 or  
equivalent spark plug of the correct heat  
range. See Figure 24.  
and check the gap at  
the electrode.  
0.024 inch  
(0.6 mm)  
CAUTION!  
Before removing the spark plug, clean  
the area around the plug to prevent  
dirt and debris from falling into internal  
engine parts.  
23136  
Figure 24  
12  
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50-Hour Maintenance  
CAUTION!  
The D-shaped shim washer must be  
positioned with its flat edge toward the  
shaft tube.  
Every 50 hours of operation (more  
Lubricate the Flexible Shaft.  
frequently in dusty or dirty conditions):  
Lack of lubrication will cause rapid wear to  
the flexible shaft and also to the shaft tube  
liner, resulting in increased vibration and  
greatly decreased service life. Remove and  
lubricate the flexible shaft as follows: Refer  
to Figure 27:  
Remove the cylinder cover and clean  
grass and dirt from the cover and cylin-  
der fins.  
Remove the cutting attachment, cutting  
attachment holder and gear shaft collar.  
Remove the filler plug from the side  
of the gearcase and press new grease  
into the gearcase until grease is pushed  
out. Use only lithium-base grease such  
as Shindaiwa Gear Case Lubricant or  
equivalent. See Figure 25.  
Gearcase  
Shaft  
Tube  
Gearcase  
Gearcase Index  
Clamp  
Screw  
Flexible  
Screw  
Shaft  
Flat  
(toward  
tube)  
D-shaped Shim  
Washer  
Figure 28  
New  
Grease  
Old  
Grease  
Inspect the Gearcase Protector.  
The metal gearcase protector (P/N 72958-  
16210) is installed to protect the gearcase  
flange from damage when working close to  
sidewalks or other abrasive surfaces, and  
should be routinely inspected for damage  
or excessive wear. See Figure 29.  
Shaft  
Liner  
Tube  
Figure 27  
Output  
Shaft Collar  
1. Loosen the gearcase clamp screw.  
2. Remove the gearcase index screw.  
Blade  
3. Slide the gearcase and shield assembly  
from the shaft tube.  
Shaft  
Bolt Guard  
Figure 25  
Bolt Holder  
Holder  
B
A
4. Pull the flexible shaft from the shaft tube  
assembly, and clean the shaft thorough-  
ly in solvent and dry with a clean shop  
towel.  
Use a hooked wire to extract the fuel  
filter from inside the fuel tank.  
See Figure 23.  
Nut  
5. Inspect the flexible shaft carefully, and  
replace if worn or damaged.  
CAUTION!  
NOTE:  
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.  
Always replace the liner if the flexible shaft is  
being replaced.  
23054  
Gearcase Protector  
(P/N 72958-16210)  
Figure 29  
6. Coat the entire length of the shaft with  
Shindaiwa Premium Gearcase Lube (or  
equivalent), and reinstall the shaft in the  
shaft tube assembly.  
When replacing the protector, inspect to be  
sure that both of the protector mounting  
screws are firmly tightened and each screw  
is locked in place with a nut as shown in  
Figure 29.  
Remove and replace the filter element.  
Before reinstalling the new filter ele-  
ment, 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.  
NOTE:  
For extended shaft life, the flexible cable  
should be reversed end-for-end during the  
reinstallation process.  
7. Insert the flexible shaft into the female  
end of the gearcase pinion.  
See Figure 27.  
8. Install the gearcase on the shaft tube in  
the reverse order of removal.  
Hooked  
Wire  
26047  
Filter Element  
Figure 26  
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135-Hour Maintenance  
Every 135 hours of operation, remove  
and clean the muffler.  
Rear Muffler  
Shield  
Spark  
Arrester  
Screen  
Forward  
Muffler  
Shield  
WARNING!  
Never operate the machine with a  
damaged or missing muffler or spark  
arrester! Operating with missing or  
damaged exhaust components is a fire  
hazard and could also damage your  
hearing.  
5 mm Muffler  
Screws  
1. Remove the spark plug boot.  
2. Remove the two 4 mm engine cover  
screws (located at the top of the recoil  
housing).  
Lower Muffler  
Screw  
Rear Muffler  
Shield Screw  
Muffler  
3. Loosen the 5 mm engine top cover  
screw (the screw is captive) and lift the  
cover from the engine.  
Figure 30  
4. Remove the two 5 mm muffler screws.  
Remove the lower muffler screw, then lift  
the muffler assembly from the engine.  
6. Remove the spark arrester screen and  
clean with a stiff bristle brush.  
IMPORTANT!  
If you note excessive carbon buildup, con-  
sult with an authorized servicing dealer.  
7. Gently tap the muffler on a wood surface  
to dislodge any loose carbon.  
5. Remove the rear muffler shield socket  
head screw and, while noting the ori-  
entation of parts, separate the muffler  
shield. See Figure 30.  
9. Reassemble the muffler in the reverse  
order of disassembly.  
8. Inspect the cylinder exhaust port for  
carbon buildup.  
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 ounce of 2-cycle mixing oil into the  
cylinder through the spark plug hole.  
Slowly pull the recoil starter 2 or 3 times  
so oil will evenly coat the interior of the  
engine. Reinstall the spark plug.  
1. Prime the primer bulb until no more fuel  
is passing through.  
2. Start and run the engine until stops  
running.  
Clean external parts thoroughly and  
apply a light coating of oil to all metal  
surfaces.  
3. Repeat steps 1 and 2 until the engine will  
no longer start.  
Before storing the unit, repair or replace  
Drain all the fuel from the fuel tank.  
any worn or damaged parts.  
CAUTION!  
IMPORTANT!  
Remove the air cleaner element from the  
carburetor and clean it thoroughly with  
soap and water. Let dry and reassemble  
the element.  
Gasoline stored in the carburetor for  
extended periods can cause hard start-  
ing, and could also lead to increased  
service and maintenance costs.  
All stored fuels should be stabilized with  
a fuel stabilizer such as STA-BIL™, if  
oil with fuel stabilizer is not used.  
Store the unit in a clean, dust-free area.  
To remove the remaining fuel from the  
fuel lines and carburetor and with the fuel  
drained from the fuel tank.  
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Troubleshooting Guide  
ENGINE DOES NOT START  
What To Check  
Possible Cause  
Remedy  
Faulty recoil starter.  
NO  
Does the engine crank?  
Fluid in the crankcase.  
Internal damage.  
Consult with an authorized servicing dealer.  
YES  
Loose spark plug.  
Tighten and re-test.  
NO  
Good compression?  
Excess wear on cylinder, piston, rings.  
Consult with an authorized servicing dealer.  
YES  
Fuel incorrect, stale, or contaminated;  
mixture incorrect.  
Refill with fresh, clean unleaded gasoline with a pump  
octane of 87 or higher mixed with a 2-cycle air cooled  
mixing oil that meets or exceeds ISO-L-EGD and/or  
JASO FC classified oils at 50:1 gasoline/oil ratio.  
NO  
NO  
NO  
Does the tank contain fresh fuel  
of the proper grade?  
YES  
Check for clogged fuel filter and/or vent.  
Clean as required; restart.  
Is fuel visible and moving in the  
return line when priming?  
YES  
The ignition switch is in “O” (OFF) position.  
Shorted ignition ground.  
Move switch to “I” (ON) position and re-start.  
Consult with an authorized servicing dealer.  
Is there spark at the spark plug  
wire terminal?  
YES  
Faulty ignition unit.  
If the plug is wet, excess fuel may  
be in the cylinder.  
Crank the engine with the plug removed, reinstall the  
plug, and restart.  
Check the spark plug.  
The plug is fouled or improperly gapped.  
Clean and regap the plug to 0.024”  
(0.6 mm). Restart.  
The plug is damaged internally or  
of the wrong size.  
Replace the plug with a Champion CJ8 or equivalent  
type spark plug of the correct heat range. Restart.  
LOW POWER OUTPUT  
Possible Cause  
What To Check  
Remedy  
Operator is overworking the unit.  
Cut at a slower rate.  
Is the engine overheating?  
Carburetor mixture is too lean.  
Improper fuel ratio.  
Consult with an authorized servicing dealer.  
Refill with fresh, clean unleaded gasoline with a pump  
octane of 87 or higher mixed with a 2-cycle air cooled  
mixing oil that meets or exceeds ISO-L-EGD and/or  
JASO FC classified oils at 50:1 gasoline/oil ratio.  
Fan, fan cover, cylinder fins dirty or damaged.  
Carbon deposits on the piston or in the muffler.  
Clogged air cleaner element.  
Loose or damaged spark plug.  
Air leakage or clogged fuel line.  
Water in the fuel.  
Consult with an authorized servicing dealer.  
Service the air cleaner.  
Engine is rough at all speeds.  
May also have black smoke and/  
or unburned fuel at the exhaust.  
Tighten or replace.  
Repair or replace fuel filter and/or fuel line.  
Refill with fresh fuel/oil mixture. See page 8.  
Piston seizure.  
Consult with an authorized servicing dealer.  
See above.  
Faulty carburetor and/or diaphragm.  
Overheating condition.  
Engine is knocking.  
Improper fuel.  
Check fuel octane rating; check for presence of  
alcohol in the fuel (page 8). Refuel as necessary.  
Carbon deposits in the combustion chamber.  
Consult with an authorized servicing dealer.  
15  
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Troubleshooting Guide (continued)  
ADDITIONAL PROBLEMS  
Symptom  
Possible Cause  
Remedy  
Clogged air cleaner element.  
Clean the air cleaner element.  
Poor acceleration.  
Clogged fuel filter.  
Replace the fuel filter.  
Lean fuel/air mixture.  
Idle speed set too low.  
Switch turned off.  
Consult with an authorized servicing dealer.  
Adjust: 2,750 ( 250) RPM (min-1).  
Reset the switch and re-start.  
Refuel. See page 8.  
Engine stops abruptly.  
Fuel tank empty.  
Clogged fuel filter.  
Replace fuel filter  
Water in the fuel.  
Drain; replace with clean fuel. See page 8.  
Shorted spark plug or loose terminal.  
Clean or replace spark plug with a Champion CJ8 or  
equivalent type spark plug of the correct heat range.  
Tighten the terminal.  
Ignition failure.  
Piston seizure.  
Consult with an authorized servicing dealer.  
Test and replace as required.  
Ground (stop) wire is disconnected,  
or switch is defective.  
Engine difcult to shut off.  
Overheating due to incorrect spark plug.  
Replace spark plug with a Champion CJ8 or equivalent  
type spark plug of the correct heat range.  
Overheated engine.  
Idle engine until cool.  
Engine idle too high.  
Set idle: 2,750 ( 250) RPM (min-1).  
Replace spring/shoes as required, check idle speed.  
Inspect and re-tighten holders securely.  
Inspect and replace attachment as required.  
Tighten gearcase securely.  
Cutting attachment rotates at  
engine idle.  
Broken clutch spring or worn clutch spring boss.  
Loose attachment holder.  
Warped or damaged cutting attachment.  
Loose gearcase.  
Excessive vibration.  
Bent main shaft/worn or damaged bushings.  
Shaft not installed in powerhead or gearcase.  
Broken shaft.  
Inspect and replace as necessary.  
Inspect and reinstall as required.  
Cutting attachment will  
not rotate.  
Consult with an authorized servicing dealer.  
Damaged gearcase.  
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Emission System Warranty Statement  
Your Warranty Rights and Obligations  
Owners Warranty Responsibilities  
The California Air Resources Board, the U.S. Environmental  
Protection Agency and Shindaiwa Corporation are pleased to  
explain the exhaust and evaporative emission control system  
warranty on your new small off-road (non-road) engine.  
As the small off-road engine owner, you are responsible for  
the performance of the required maintenance listed in this own-  
ers manual. Shindaiwa Corporation recommends that you retain  
all receipts covering maintenance on your small off-road engine,  
but Shindaiwa Corporation cannot deny warranty solely for the  
lack of receipts or for your failure to ensure the performance of  
all scheduled maintenance.  
In California, new small off-road engines must be designed,  
built, and equipped to meet the State’s stringent anti-smog stan-  
dards. In other states, new 1997 and later non-road engines must  
meet the Federal EPA’s stringent anti-smog standards.  
As the small off-road engine owner, you should be aware,  
however, that Shindaiwa Corporation may deny you warranty  
coverage if your small off-road engine or a part has failed due to  
abuse, neglect, improper maintenance, or unapproved modifica-  
tions.  
Shindaiwa Corporation must warrant the emission control sys-  
tem on your small off-road engine for the periods of time listed  
below, provided there has been no abuse, neglect, or improper  
maintenance of your small off-road engine.  
You are responsible for presenting your small off-road engine  
to an authorized Shindaiwa Dealer as soon as a problem ex-  
ists. The warranty repairs should be completed in a reasonable  
amount of time, not to exceed 30 days.  
Your engine exhaust and evaporative emission control system  
includes parts such as the carburetor, fuel tank, the ignition sys-  
tem and, if equipped, the catalytic converter. These components  
are specifically listed below.  
If you have any questions regarding your warranty rights and  
responsibilities, you should contact a Shindaiwa customer service  
representative at (503) 692-3070 or your local Shindaiwa Dealer.  
Where a warrantable condition exists, Shindaiwa Corporation  
will repair your small off-road engine at no cost to you including  
diagnosis, parts, and labor.  
Consequential Damages  
Manufacturer’s Warranty Coverage  
In the event that other component parts of this product  
are damaged by the failure of a warranted part, Shindaiwa  
Corporation will repair or replace such component parts at no  
charge to you.  
When sold within the U.S., this engine’s emission control  
system is warranted for a period of two (2) years from the date  
this product is first delivered to the original retail purchaser.  
During the warranty period, Shindaiwa Corporation will, at  
their option, repair or replace any defective emission-related  
component on this engine. During the original Warranty Period,  
these Warranty Rights are automatically transferable to subse-  
quent owners of this product.  
What is Not Covered  
Failures caused by abuse, neglect, or improper  
maintenance procedures.  
Failures caused by the use of modified or non-approved parts  
or attachments.  
What is Covered by this Warranty  
1. Carburetor Internal Components  
Throttle Valve, Needle, Jet, Metering Diaphragm  
2. Fuel Tank  
This Warranty is Administered by:  
3. Ignition System Components  
Ignition Coil  
Shindaiwa Inc.  
11975 S.W. Herman Rd.  
Tualatin, OR 97062  
(503) 692-3070  
Flywheel Rotor  
4. Catalytic Converter (if originally equipped)  
The emission control system for your particular Shindaiwa  
engine may also include certain related hoses and connectors.  
17  
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NOTES  
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NOTES  
19  
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®
Shindaiwa Inc.  
11975 S.W. Herman Rd.  
Tualatin, Oregon 97062 USA  
Telephone: 503 692-3070  
Fax:  
503 692-6696  
Shindaiwa Corporation  
Head Office:  
6-2-11, Ozuka-Nishi  
Asaminami-Ku, Hiroshima  
731-3167, Japan  
Telephone: 81-82-849-2220  
Fax:  
81-82-849-2481  
©2006 Shindaiwa, Inc.  
Part Number 62719-94310  
Revision 11/06  
Shindaiwa is a registered trademark  
of Shindaiwa, Inc.  
Specifications subject to change without notice.  
20  
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