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Troubleshooting Guide

Does the engine crank?

Good compression?

Does the tank contain fresh fuel 

of the proper grade?

Is fuel visible and moving in the 

return line when priming?

Is there spark at the spark plug 

wire terminal?

Check the spark plug.

Faulty recoil starter.

Fluid in the crankcase.

Internal damage.

Loose spark plug.

Excess wear on cylinder, piston, rings.

Valves not seating.

Fuel incorrect, stale, or contaminated;  

mixture incorrect.

Check for clogged fuel filter 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 servicing dealer.

Tighten and re-test.

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.

Replace fuel filter or vent as required; restart.

Consult with an authorized servicing dealer.

Move switch to “I” (ON) position and re-start.

Consult with an authorized servicing dealer.

Crank the engine with the plug removed, reinstall the 

plug, and restart.

Clean and regap the plug to 0.024 - 0.028 inch 

(0.6 - 0.7 mm). Restart.

Replace the plug with an NGK CMR5H or equivalent 

resistor type spark plug of the correct range. Set 

spark plug electrode gap to 0.024 - 0.028 inch  

(0.6-0.7 mm).

NO

YES

What To Check

Possible Cause

Remedy

ENGINE DOES NOT START

NO

YES

NO

YES

YES

NO

YES

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 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.

Piston seizure.

Faulty carburetor and/or diaphragm.

Valve clearance set incorrectly.

Overheating condition.

Improper fuel.

Carbon deposits in the combustion chamber.

Valve clearance set incorrectly.

Cut at a slower rate.

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.

Clean, repair or replace as necessary.

Consult with an authorized servicing dealer.

Service the air cleaner element.

Tighten or replace.

Repair or replace fuel filter and/or fuel line.

Replace the fuel. See page 8.

Consult with an authorized servicing dealer.

See above.

Check fuel octane rating; check for presence of 

alcohol in the fuel (page 8). Refuel as necessary.

Consult with an authorized servicing dealer.

What To Check

Possible Cause

Remedy

LOW POWER OUTPUT

Engine is knocking.

Содержание 62640-94313

Страница 1: ...when operating this machine To minimize the risk of injury to yourself and others read this manual and familiarize yourself with its contents SHINDAIWA OWNER S OPERATOR S MANUAL AH2510 ARTICULATED HED...

Страница 2: ...procedures described in this manual are intended to help you get the most from your machine as well as to protect you and others from harm These procedures are guidelines for safe operation under most...

Страница 3: ...Do not operate the articulated hedge trimmer with the muffler removed n Always stop the engine and allow it to cool before refueling Avoid overfilling and wipe off any fuel that may have spilled n Mak...

Страница 4: ...n debris to help ensure good footing n Keep the cutters sharp and prop erly adjusted n Keep the articulated hedge trim mer as clean as possible Keep it free of loose vegetation mud etc Operating the A...

Страница 5: ...ipment Tool kit containing a spark plug wrench 4 mm hex wrench and 8 x 10 mm spanner Optional Equipment Harness and bracket Model Name AH2510 Engine Model SF2510E Engine Type 4 cycle vertical cylinder...

Страница 6: ...head until the throttle grip just contacts the tube clamp 6 Tighten the clamp screw firmly Figure 5 Figure 6 Throttle Cable CAUTION Do not force the shaft tube into the powerhead Excessive force can d...

Страница 7: ...nd the latch release return securely to a locking position 5 Remove the scabbard from the cutter blade The engine now may be started Figure 14 Latch Release Latch Lock 3 16 1 4 inch 4 6 mm Throttle Fr...

Страница 8: ...nate Oxygenated gasoline may cause increased op erating temperatures Under certain conditions alcohol based gasoline may also reduce the lubricating qualities of some 2 cycle mixing oils n Never use a...

Страница 9: ...ope travel Pulling the recoil starter to the end of the rope travel can damage the starter ON 1 Slide the ignition switch to the ON position See Figure 18 2 Set the throttle lever to the fast idle a S...

Страница 10: ...ngine idle If the idle speed cannot be adjusted by the procedure described here return the unit to your Shindaiwa dealer for inspection 1 Place the unit on the ground and start the engine then allow i...

Страница 11: ...erly installed can increase engine noise sufficiently to cause hearing loss Keep air passages clean Muffler WARNING Before performing any maintenance repair or cleaning work on the ma chine make sure...

Страница 12: ...t least one full turn 2 Tighten each blade shoulder bolt firmly and then loosen the shoulder bolts 1 4 to 1 2 turn 3 Working from the gearcase end lock each bolt in place by firmly tightening its lock...

Страница 13: ...slip out with limited resistance 5 While holding adjustment screw in place with Allen driver tighten locknut with wrench 6 Turn engine over several times and return to TDC compression Recheck with pro...

Страница 14: ...bristle brush 5 Inspect the cylinder exhaust port for any carbon buildup IMPORTANT If you note excessive carbon buildup consult with an authorized Shindaiwa servicing dealer 6 Reassemble the spark ar...

Страница 15: ...lace the plug with an NGK CMR5H or equivalent resistor type spark plug of the correct range Set spark plug electrode gap to 0 024 0 028 inch 0 6 0 7 mm NO YES What To Check Possible Cause Remedy ENGIN...

Страница 16: ...switch and restart Refuel See page 8 Replace fuel filter Drain replace with clean fuel See page 8 Clean or replace spark plug tighten the terminal Replace the ignition unit Consult with an authorized...

Страница 17: ...ation during a warranty repair alteration accident failure to use the recommended fuel and oil or not performing required maintenance services b the replacement parts used for required maintenance ser...

Страница 18: ...18 NOTES...

Страница 19: ...19 NOTES...

Страница 20: ...hindaiwa com 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 2007 Shindaiwa Inc Part Number 62640 94313 Revision...

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