Craftsman 917.270512 owner manual •Mower deck not level, •Low/uneven tire air pres- sure

TROUBLESHOOTING CHART

PROBLEMCAUSE

Poor cut - uneven • Clogged mower deck vent

(cont'd)holes from buildup of grass, leaves, and trash around mandrels.

CORRECTION

•Clean around mandrels to open vent holes.

Mower blades will	•	Obstruction in clutch
not rotate		mechanism.
	•	Worn/damaged mower
		drive belt.
	•	Frozen	idler pulley.
	•	Frozen	blade mandrel.
Poor grass dis-	•	Engine	speed too slow.
charge
	•	Travel	speed too fast.
	•	Wet grass.

•	Remove	obstruction.
•	Replace	mower drive belt.
•	Replace	idler pulley.
•	Replace	blade mandrel.
•	Place throttle control in
	=FAST" position.
•	Shift to slower speed.
•	Allow grass to dry before
	mowing.

•Headlight(s) not working (if so equipped)

Battery will not charge

Engine =backfires" when tuming engine =OFF"

•Mower deck not level.

•Low/uneven tire air pres- sure.

•Wom, bent or loose blade.

•Buildup of grass, leaves and trash under mower.

•Mower drive belt wom.

•Blades improperly installed.

•Improper blades used.

Clogged mower deck vent holes from buildup of

grass, leaves, and trash around mandrels.

•Switch is "OFF".

•Bulb(s) bumed out.

•Faulty light switch.

•Loose or damaged wiring.

•Blown fuse.

•Bad battery cell(s).

•Poor cable connections.

•Faulty regulator (if so equipped).

•Faulty alternator.

Engine throttle control not

set at "SLOW" ' position for 30 seconds before stopping engine.

•	Level mower deck.
•	Check tires for proper air
	pressure.
•	Replace/sharpen				blade.
	Tighten		blade bolt.
• Clean underside of mower
	housing.
•	Replace		mower		drive belt.
•	Reinstall		blades sharp edge
	down.
•	Replace		with blades listed in
	this manual.
•	Clean	around mandrels to
	open	vent holes.
•	Tum switch "ON".
•	Replace		bL=]5(sT
•	Check/replace light switch.
•	Check wiring			and connections.
•	Replace		fuse.
•	Replace		battery.
•	Check/clean			all connections.
•	Replace		regulator.
•	Replace		altemator.
	Move	throttle control to
	"SLOW"		position and allow
	to idle for 30 seconds before
	stopping engine.

3O