Sears 917.271051 - Manual (Page 30)

TROUBLESHOOTING CHART
PROBLEM CAUSE
CORRECTION
Mower blades will
not rotate
Poor grass
discharge
Obstruction in clutch
mechanism.
Worn/damaged mower
drive belt.
Frozen idler pulley.
Frozen blade mandrel.
Remove obstruction.
Replace mower drive belt.
Replace idler pulley.
Replace 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.
Buildup of grass, leaves
housing.
Mower drive belt worn.
Blades improperly installed.
Improper blades used.
Clogged mower deck vent
holes from buildup of grass,
leaves, and trash around
mandrels.
Place throttle control in
“FAST” position.
Shift to slower speed.
Allow grass to dry before
mowing.
Level mower deck.
Check tires for proper air
pressure.
Replace/sharpen blade.
Tighten blade bolt.
Clean underside of mower
and trash under mower.
Replace mower drive belt.
Reinstall blades sharp edge
down.
Replace with blades listed in
this manual.
Clean around mandrels to
open vent holes.
Headlight(s) not
working
(if so equipped)
Battery will not
charge
Switch is “OFF”.
Bulb(s) burned out.
Faulty light switch.
Loose or damaged wiring.
Blown fuse. Turn switch “ON”.
Replace bulb(s).
Check/replace tight switch.
Check wiring and connections
Replace fuse.
Bad battery cell(s).
Poor cable connections.
Faulty regulator
(if so equipped).
Faulty alternator. • Replace battery.
• Check/clean all connections.
• Replace regulator.
• Replace alternator.
Loss of drive Freewheel control in
“disengaged" position.
Motion drive belt worn,
damaged, or broken.
Air trapped in transmission
during shipment or
servicing.
• Place freewheel control in
“engaged” position.
• Replace motion drive belt.
• Purge transmission.
Engine “backfires’
when turning
engine
“OFF’ Engine throttle control not
set at “SLOW”
position for 30 seconds
stopping engine.
20
Move throttle control to
“SLOW’ position and allow
to idle for 30 seconds before
stopping engine.