Craftsman 917.270961 manual Problem, Chart Cause, Correction

TROUBLESHOOTINq

PROBLEM

Loss of power (Continued)

;CHART

CAUSE

•Build-upofgr_s, leaves andtmshundermowe_

•Dirty air filter.

•Low oil level/dirty oil

•Faulty spark plug.

•Dirty fuel filter.

•Stale or dirty fuel.

•Water in fuel,

CORRECTION

i

• Clean underside of mower
	housing.
•	Clean/replace				air filter.
•	Check	oil		level/change		oil.
•	Clean	and		regap or chang(
	spark	plug.
•	Replace		fuel		filter.
•	Drain	fuel tank and refill wit
	fresh	gasoline.
•	Drain fuel tank and carbure
	tor, refill tank with fresh
	gasoline		and		replace	fuel
	filter.

Excessive vibration

Enginecontinues to run when

operator leaves seat with

attachment clutch engaged

Poor cut - uneven

Mower blades will not rotate

•Spark plug wire loose.

•Dirty engine air screen/fins.

•Dirty/clogged muffler.

•Loose or damaged wiring.

•Carburetor out of adjustment.

•Engine valves out of adjustment.

•Worn, bent or loose blade.

•Bent blade mandrel.

•Loose/damaged part(s).

•Faulty operator-safety presence 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 from build-up of grass, leaves, and trash around mandrelS.

i

•Obstruction in clutch

mechanism. _

•Worn/damaged mower drive belt.

•Frozen idler pulley.

•Frozen blade mandrel.

• Connect and tighten spark
	plug wire.
• Clean engine air screen/
	fins.
•	Clead/replace						muffler.
• Check		all		wiring.
• See "To Adjust Carburetor"
	in Service			Adjustments
	section.
•	Contact		an		authorized
	service		center/department.
•	Replace			blade.
	Tighten		blade			bolt.
• Replace				blade			mandrel.
• Tighten loose part(s).
	Replace			damaged parts.
• Check wiring, switches an(
	connections.					If not correcte,
	contact		an		authorized
	service		centeddepadment.
•	Replace			blade.			Tighten
	blade	bolt.
•	Level	mower				deck.
• Clean underside of mower
	housing.
•	Replace			blade			mandrel.
• Clean around mandrels to
	open	vent			holes.
•	Remove			obstruction.
• Replace mower drive belt.
•	Replace			idler			pulley.
•	Replace			blade			mandrel.

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