Shindaiwa 63888-94010 Safety Equipment and Labels Troubleshooting Guide, LOW Power Output

Safety Equipment and Labels

Troubleshooting Guide (continued)

LOW POWER OUTPUT

What To Check Possible Cause

Remedy

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 machine.

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.

Shorten trimmer line. 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.

Tighten or replace.

Replace the spark plug with a Champion CJ8 or equivalent spark plug of the correct heat range.

Adjust the spark plug electrode gap to 0.024-inch (0.6 mm).

SAFETY

Shaft Safety Label

High Voltage Label

Ignition

Switch

Throttle

Interlock

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 autho- rized Shindaiwa dealer.

Figure 2

6

	Air leakage or clogged	Repair or replace fuel
	fuel line.	filter and/or fuel line.
	Water in the fuel.	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.
	Piston seizure.	Consult with an authorized
		servicing dealer.
	Faulty carburetor and/	Consult with an authorized
	or diaphragm.	servicing dealer.
Engine is	Overheating condition.	See above.
knocking.	Improper fuel.	Check fuel octane rating;
		check for presence of
		alcohol in the fuel (pg. 18).
		Refuel as necessary.
	Carbon deposits in the	Consult with an authorized
	combustion chamber.	servicing dealer.

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TROUBLESHOOTING