Craftsman 917.270822 owner manual Troubleshooting Chart, Problemcause

TROUBLESHOOTING CHART

PROBLEMCAUSE

Loss of power (cont'dl 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).

CORRECTION

Clean/replace muffler.

Check all wiring.

•	See "To Adjust Carburetor" in Ser.
	vice and Adjustments
	section.
• Contact an authorized service
	center.
• Replace blade. Tighten blade bolt.
•	Replace	blade mandrel.
• Tighten loose part(s). Replace
	damaged	parts.

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

gaged

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 drive belt.

•Frozen idler pulley.

•Frozen blade mandrel.

•Engine speed too slow.

•Travel speed too fast.

Wet grass.

Mower deck not level.

•Low/uneven tire air pressure.

•Worn, bent or loose blade.

• Check wiring, switches and con-
	nections.	If not
	corrected,	contact an authorized
	service center/department.
	Replace blade. Tighten blade bolt.
	Level mower deck.
• Clean underside of mower hous-
	ing.
•	Replace	blade mandrel.
• Clean around mandrels to open
	vent holes.
•	Remove	obstruction.
• Replace mower drive belt.
•	Replace idler pulley.
•	Replace	blade mandrel.
• Place throttle control in "FAST' po-
	sition.
	Shift to slower speed.

Allow grass to dry before mowing. Level mower deck.

i• Check tires for proper air pres- sure.

Replace/sharpen blade. "lighten blade bolt.

•	Buildup of grass,				leaves and
•	trash	under mower.
	Mower		drive belt worn.
•	Blades improperly					installed.
•	Improper blades				used.
•	Clogged mower				deck vent
	holes from buildup					of
	grass,		leaves, and			trash
	around mandrels.
Headlight(s) not work •	Switch		is "OFF".
ing (if so equipped)	Bulb(s)		burned out.
	Faulty light switch.
	Loose		or damaged			wiring.
	Blown fuse.
	Bad	battery		cell(s).
Battery will not charge	Poor	cable		connections.
	Faulty regulator				(if so

equipped). Fault',,alternator.

Clean underside of mower hous-

ing.

Replace mower drive belt. Reinstall blades sharp edge down.

Replace with blades listed in this manual.

Clean around mandrels to open vent holes.

•Turn switch "ON".

•Replace bulb(s).

Check/replace light switch. Check widng andconnections.

•Replace fuse.

•Replace battery.

•Check/clean all connections.

•Replace regulator,

•Replace alternator.

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