Craftsman 917.27084 manual Troubleshooting Chart, Problem

TROUBLESHOOTING CHART

PROBLEM

Loss of power (cont,d)

CAUSE

•Build-up of grass, leaves and trash under mower.

•Dirty air tilter.

•Low oil level/dirty oil.

•Faulty spark plug.

•Dirty fuel filter.

•Stale or dirty fuel.

CORRECTION

•	Clean underside of mower hous-
	ing.
•	Clean/replace air tilter.
•	Check oil level/change oil.
•	Clean and regap or change
	spark plug.
•	Replace fuel filter.
•	Drain fuel tank and refill with
	fresh gasoline.

	•	Water in fuel.
	•	Spark plug wire loose.
	•	Dirty engine air screen/fins.
	•	Dirty/clogged muffler.
	•	Loose or damaged wiring.
	•	Carburetor out of adjustment.
	•	Engine valves out of adjust-
		ment.
Excessive vibration	•	Worn, bent or loose blade.
	•	Bent blade mandrel
	•	Loose/damaged part(s).

•	Drain fuel tank and carburetor,
	refill tank with fresh gasoline and
	replace fuel filter.
•	Connect and tighten spark plug
	wire.
•	Clean engine air screen/fins.
•	Clean/replace muffler.
•	Check all widng.
•	See =ToAdjust Carburetor_ in
	Service and Adjustments
	section.
•	Contact an authorized service
	center.
• Replace blade. Tighten blade
	bolt.
•	Replace blade mandrel.
• Tighten loose part(s). Replace
	dama_led pads.

Engine continues to run when operator leaves seat with at- tachment clutch

engaged

Poor cut - uneven

Mower blades will not rotate

Poor grass discharge

•Faulty operator-safety pres- ence control system.

•Worn, bent or loose blade.

•Mower deck not level.

•Buildup of grass, leaves, and trash under mower.

•Bent blade mandrel.

•Clogged mower deck vent holes from buildup of grass, leaves, and trash around mandrels.

•Obstruction in clutch mecha- nism.

•Worn/damaged mower ddve belt.

•Frozen idler pulley.

•Frozen blade mandrel.

•Engine speed too slow.

•Travel speed too fast.

•Wet grass.

•	Check wiring, switches and con-
	nections. If not
	corrected, contact an authorized
	service center/
	department.
•	Replace blade. Tighten blade
	boR.
•	Level mower deck.

i ° Clean underside of mower hous- ing.

•Replace blade mandrel.

•Clean around mandrels to open vent holes.

•Remove obstruction.

•Replace mower ddve belL

•Replace idler pulley.

•Replace blade mandrel.

•Place throttle control in =FAST" position.

•Shift to slower speed.

•Allow grass to dry before mow- ing.

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