Shindaiwa C254 Owner'S/Operator'S Manual Download

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ADDITIONAL PROBLEMS

Poor acceleration.

Clogged air fi lter.

Clogged fuel fi lter.

Lean fuel/air mixture.

Idle speed set too low.

Ignition switch turned off.

Fuel tank empty.

Water in the fuel.

Clogged fuel fi lter.

Shorted spark plug or loose terminal.

Ignition failure.

Piston seizure.

Ground (stop) wire is disconnected,

or switch is defective.

Overheating due to incorrect spark plug.

Overheated engine.

Clean the air fi lter.

Replace the fuel fi lter.

Consult with an authorized Shindaiwa

servicing dealer.

Adjust idle. Check Specifi cations page for correct idle speed.

Reset the switch and re-start.

Refi ll 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 classifi ed oils

at 50:1 gasoline/oil ratio.

Replace fuel fi lter.

Clean or replace spark plug. Check the Specifi cations section

for the correct plug and gap for your unit. Tighten

the terminal.

Replace the ignition unit.

Consult with an authorized Shindaiwa

servicing dealer.

Test and replace as required.

Replace the spark plug. Check the Specifi cations section for

the correct plug and gap for your unit. Restart.

Idle engine until cool.

Symptom

Possible Cause

Remedy

Engine stops abruptly.

Engine diffi cult to shut off.

Troubleshooting Guide

(continued)

Valve cover is leaking.

Consult with an authorized Shindaiwa

servicing dealer.

Top of engine is getting

dirty and oily.

Is the engine overheating?

Engine is rough at all

speeds. May also have

black smoke and/or

unburned fuel at the

exhaust.

Operator is overworking the unit.

Carburetor mixture is too lean.

Improper fuel ratio.

Fan, fan cover, cylinder fi ns dirty

or damaged.

Carbon deposits on the piston or

in the muffl er.

Clogged air cleaner element.

Loose or damaged spark plug.

Air leakage or clogged fuel line.

Water in the fuel.

Piston seizure.

Faulty carburetor and/or diaphragm.

Overheating condition.

Improper fuel.

Carbon deposits in the

combustion chamber.

Use a lower throttle setting.

Consult with an authorized Shindaiwa

servicing dealer.

Refi ll 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 classifi ed oils at 50:1

gasoline/oil ratio.

Clean, repair or replace as necessary.

Consult with an authorized Shindaiwa

servicing dealer.

Service the air cleaner element.

Tighten or replace the spark plug.

Check the Specifi cations section for the correct plug and gap

for your unit.

Repair or replace fuel fi lter and/or

fuel line.

Refi ll 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 classifi ed oils at 50:1

gasoline/oil ratio.

Consult with an authorized Shindaiwa servicing dealer.

Consult with an authorized Shindaiwa

servicing dealer.

Refi ll 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 classifi ed oils at 50:1

gasoline/oil ratio.

Consult with an authorized Shindaiwa

servicing dealer.

What To Check

Possible Cause

Remedy

LOW POWER OUTPUT

Engine is knocking.

Troubleshooting Guide

(continued)

Engine idle too high.

Broken clutch spring or worn clutch

spring boss.

Loose attachment holder.

Warped or damaged attachment.

Loose gearcase.

Cutting attachment

moves at engine idle.

Excessive vibration.

Cutting attachment will not

move.

Adjust idle. Check Specifi cations page for correct idle

speed.
Replace spring/shoes as required, check idle speed.

Inspect and re-tighten holders securely.

Inspect and replace attachment as

required.
Tighten gearcase securely.

Bent main shaft/worn or damaged bushings.

Shaft not installed in powerhead or gearcase.

Broken shaft.
Damaged gearcase.

Inspect and replace as necessary.

Inspect and reinstall as required.

Idle set too high.

Adjust idle. Check Specifi cations page for correct

idle speed.

Engine will not idle

down.

Engine has an air leak.

Consult with an authorized Shindaiwa servicing

dealer.

Consult with an authorized Shindaiwa servicing

dealer.

Summary of Contents for C254

Page 1: ... OWNER S OPERATOR S MANUAL WARNING Minimize the risk of injury to yourself and oth ers Read this manual and familiarize yourself with the contents Always wear eye and hearing protection when operating this unit X7502825601 06 10 ...

Page 2: ...l procedures described in this manual are intended to help you get the most from this unit as well as to protect you and others from harm These procedures are guidelines for safe operation under most conditions and are not intended to replace any safety rules and or laws that may be in force in your area If you have questions regarding your H4 series hand held power equipment or if you do not unde...

Page 3: ...nd fast in a cut shut off the engine imme diately Push the branch or tree to ease the bind and free the blade Work Safely Trimmers and brushcutters operate at very high speeds and can do serious damage or injury if they are misused or abused Never allow a person without training or instruction to operate this unit Stay Alert You must be physically and mentally fit to operate this unit safely Safet...

Page 4: ...ting attachment parallel to the ground Always operate with both hands firmly gripping the unit 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 long hair so that it is above shoulder level NEVER wear shorts Wear hearing protection devices and a broa...

Page 5: ...ht Without guard and strap 6 1 kg 14 1 lb Bore x Stroke 34 x 27 mm 1 3 x 1 1 in Displacement 24 5 cc 1 5 cu in Fuel Oil Ratio 50 1 with ISO L EGD or JASO FD class engine oil Fuel Tank Capacity 590 ml 20 0 oz Carburetor Type Diaphragm type Ignition One piece electronic program controlled Spark Plug NGK CMR5H Plug Gap 0 6 mm 0 024 inch Torque 16 7 18 6 N m 148 165 in lbs Air Cleaner Type Foam pre fi...

Page 6: ... position for 3 operator comfort Firmly tighten both lower cap retaining 4 screws Securethecabletotheouterpipewiththe 5 2 bands as the illustration shows The 2 bands are in the tool bag Outer tube Lower cap retaining screws Handlebar Ignition switch Throttle trigger Hanger Mounting the brushcutter handlebar Handle positioning label Bands Assembly This unit comes fully assembled with the exception ...

Page 7: ...t adapter plate C 4 Remove locking tool D IMPORTANT Semi automatic nylon line heads must be used only with plastic debris shield with cut off knife Using nylon line heads with metal debris shield can result in trimmer damage caused by operation with excessive line length D To advance trimmer line Tip To advance trimmer line tap trimmer head against the ground while the head is turning at normal op...

Page 8: ...ade conversion parts Blades are not provided with trimmer brushcutters and must be selected for type of cutting being performed Install Metal Shield Tools Required 8 x 10 mm Open end Wrench Screwdriver 17x19 mm Wrench 4 mm Hex Wrench Parts Required Metal Shield Shield Bracket 3 5 x 10 mm screws w captivated flat and lock washer metal shield to gear housing 2 5 x 8 mm screws 2 5 mm nuts 2 5 mm lock...

Page 9: ...Blade installa tion requires Adapter Plate D with 25 mm pilot 2 Install Blade K on adapter plate pilot Blades must be installed so that rota tion arrow on blade matches rotation of unit teeth toward direction of rotation See debris shield decal Secure blade with Lower Plate H and 10 mm L H nut G Turn nut counter clockwise on PTO shaft to tighten 3 Align hole in adapter plate with notch in gear hou...

Page 10: ...EGD ISO CD 13738 and J A S O M345 FD certified oil will void the engine warranty 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 equa...

Page 11: ...Clear any dirt or other debris 2 from around the fuel filler cap Remove the fuel cap and fill 3 the tank with clean fresh fuel Reinstall the fuel filler cap and 4 tighten firmly Wipe away any spilled fuel 5 before starting engine CAUTION Slowly remove the fuel cap only after stopping the engine Storage Fuel storage laws vary by locality Contact your local government for the laws affecting your are...

Page 12: ...n 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 Slide the ignition switch to the ON 1 position Set the throttle lever to the fast idle 2 Squeeze the throttle lever toward a the handgrip on the shaft tube Depress and hold the throttle lock b button While depressing the throttle loc...

Page 13: ...ARNING The cutting attachment must NEVER rotate at engine idle If the idle speed cannot be adjusted by the procedure described here return the unit to your Shindaiwa dealer for inspection Idle Speed Adjustment Place the unit on the ground then start 1 the engine and then allow it to idle 2 3 minutes until warm If the attachment rotates when the 2 engine is at idle reduce the idle speed by turning ...

Page 14: ... into trees wire fences or any material that could tangle or break line ends CAUTION Operation at low rpm can lead to premature clutch failure Hold the grass trimmer so the trimmer head is angled slightly into the area to be cut To ensure maximum trimmer line ser vice life cut only with the tip of the trim mer line Cut grass by swinging the unit s trimmer head from left to right Keep the trimmer h...

Page 15: ...bove DO NOT cut between the 10 o clock and 5 o clock positions WARNING When cutting wood with a blade feed the blade slowly never strike or slam a spinning blade against the wood WARNING DO NOT use 2 tooth or non Shindaiwa approved 4 tooth cutting blades with Shindaiwa trimmers and brushcutters Using a blade WARNING Blade thrust can occur with out warning if the blade snags stalls or binds WARNING...

Page 16: ...ICE CEN TER AUTHORIZED BY ECHO INC THE USE OF PARTS THAT ARE NOT EQUIVALENT IN PERFORMANCE AND DURABILITY TO AUTHORIZED PARTS MAY IMPAIR THE EFFECTIVE NESS OF THE EMISSION CONTROL SYSTEM AND MAY HAVE A BEARING ON THE OUTCOME OF A WARRANTY CLAIM Muffler 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 w...

Page 17: ... the area around the plug to prevent dirt and debris from getting into the engine s internal parts 10 15 Hour maintenance Maintenance continued 10 Hour maintenance more frequently in dusty conditions Remove the air filter cover by loos 1 ening the cover screw s and lifting IMPORTANT Direct the air stream at the inside face of the filter only CAUTION Never operate the unit if the air cleaner assemb...

Page 18: ...not damaged the old gasket may be reused Never use cracked or damaged gaskets Turn adjustment screw clockwise 4 tighter counter clockwise looser until feeler gauge is almost snug Back off just enough to allow gauge to slip out with limited resistance While holding the adjustment 5 screw in place with the Allen driver tighten the locknut with a wrench Turn engine over several times and 6 returnthe ...

Page 19: ...park arrester muf 6 fler and engine cover in the reverse order of disassembly Maintenance continued 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 Carburetor Adjustment Engine Break In New engines must be operated a minimum duration of two tanks ...

Page 20: ...intenance continued Blade Sharpening 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 WARNING The cutting attachment must NEVER rotate at engine idle If the idle speed cannot be adjusted by the procedure described here return the unit...

Page 21: ... expect to use in thirty 30 days ninety 90 days when a fuel stabilizer is added 1 Prime the primer bulb until no more fuel is passing through 2 Start and run the engine until it stops running 3 Repeat steps 1 and 2 until the engine will no longer start CAUTION Gasoline stored in the carburetor for extended periods can cause hard starting and could also lead to increased service and maintenance cos...

Page 22: ...ilter and or vent Priming pump not functioning properly The ignition switch is in O OFF position Shorted ignition ground Faulty ignition unit If the plug is wet excess fuel may be in the cylinder The plug is fouled or improperly gapped The plug is damaged internally or of the wrong size Consult with an authorized Shindaiwa servicing dealer Tighten and re test Consult with an authorized Shindaiwa s...

Page 23: ...ed oils at 50 1 gasoline oil ratio Clean repair or replace as necessary Consult with an authorized Shindaiwa servicing dealer Service the air cleaner element Tighten or replace the spark plug Check the Specifications section for the correct plug and gap for your unit Repair or replace fuel filter and or fuel line Refill with fresh clean unleaded gasoline with a pump octane of 89 or higher mixed wi...

Page 24: ...ired Replace the spark plug Check the Specifications section for the correct plug and gap for your unit Restart Idle engine until cool Symptom Possible Cause Remedy Engine stops abruptly Engine difficult to shut off Troubleshooting Guide continued Valve cover is leaking Consult with an authorized Shindaiwa servicing dealer Top of engine is getting dirty and oily Engine idle too high Broken clutch ...

Page 25: ...ve 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 power...

Page 26: ...he 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 durabil...

Page 27: ...gned 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 COVERE...

Page 28: ...28 NOTES ...

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Page 31: ...31 NOTES ...

Page 32: ...ealer 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 Warranty 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 Departmen...

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