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Craftsman 917.270311 Owner's Manual page 30

12.5 hp electric start 38" mower 5 speed transaxle lawn tractor

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TROUBLESHOOTING
PROBLEM
Poor cut - uneven
(cont'd)
Mower blades will
not rotate
CHART
FcAusE
grass, leaves, and trash
around mandrels.
Poor grass dis-
charge
Headlight(s) not
working (if so
equipped)
Battery wil! not
charge
Engine "backfires"
when turning
engine "OFF
Obstruction i nclutch
mechanism.
Worn!damaged mower
drive belt.
Frozen idler pulley.
- Frozen blade mandrel.
Engine speed too slow.
o Travel speed too fast.
= Wet grass.
Mower deck not level.
Lowtuneven tire air pres-
sure.
= Worn, bent or loose blade.
- Buildup of grass, leaves
and trash under mower.
Mower drive belt worn.
* Blades improperly
installed.
, Improper blades used.
Clogged mower deck vent
holes from buitdup of
grass, leaves, and trash
around mandrels.
o Switch is "OFF".
- Bulb(s) burned out.
,, Faulty light switch.
Loose or damaged wiring.
, Blown fuse.
• Bad battery cell(s).
Faulty regulator (if so
equipped).
- Faulty alternator.
o Engine throttle control not
set at "SLOW"
position for 30 seconds
before stopping engine.
CORRECTION
o Remove obstruction.
Replace mower ddve belt.
• Replace idler pulley.
Replace blade mandrel.
® 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 boll
• Clean underside of mower
housing.
= Replace mower drive belt.
• Reinstall blades sharp edge
down.
- Replace with blades listed in
this manual.
o Clean around mandrels to
open vent holes.
Turn switch "ON".
o Replace bulb(s).
* Check!replace light switch.
Check widng and connections.
, Replace tuse.
o Replace battery.
Check/clean a!I connections.
Replace regulator.
o Replace alternator.
* Move throttle control to
"SLOW" position and allow
to idle for 30 seconds before
stopping engine.
3O

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