Craftsman 917.270760 - Manual (Page 31)

TROUBLESHOOTING CHART
PROBLEM CAUSE CORRECTION
Poor grass • Engine speed too slow. • Place throttle control in
discharge “FAST” position.
• Travel speed too fast. • Shift to slower speed.
• Wet grass. • Allow grass to dry before
mowing.
• Mower deck not level. • Level mower deck.
• Low/uneven tire air pressure. • Check tires for proper air
pressure.
• Worn, bent or loose blade. • Replace/sharpen blade.
Tighten blade bolt.
• Buildup of grass, leaves and • Clean underside of mower
trash under mower. housing.
• Mower drive belt worn. • Replace mower drive belt.
• Blades improperly installed. • Reinstall blades sharp edge
down.
• Improper blades used. • Replace with blades listed in
this manual.
• Clogged mower deck vent • Clean around mandrels to
holes from buildup of
grass, leaves, and trash
around mandrels. open vent holes.
Headlight(s) not • Switch is “OFF. • Turn switch “ON”.
working • Bulb(s) burned out. • Replace bulb(s).
(if so equipped) • Faulty light switch. • Check/replace light switch.
• Loose or damaged wiring. • Check wiring and connec
tions.
• Blown fuse. • Replace fuse.
Battery wili not • Bad battery cell(s). • Replace battery.
charge • Poor cable connections. • Check/clean all connections.
• Faulty regulator
(if so equipped).
• Replace regulator.
• Faulty alternator. • Replace alternator.
Loss of drive • Freewheel control in • Place freewheel control in
“disengaged” position. “engaged” position.
• Motion drive belt worn,
damaged, or broken.
• Replace motion drive belt.
• Air trapped in transmission
during shipment or
servicing.
• Purge transmission.
Engine “backfires” • Engine throttle control not • Move throttle control to
when turning set at “SLOW” “SLOW” position and allow
engine position for 30 seconds to idle for 30 seconds before
“OFF” stopping engine. stopping engine.
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