Craftsman 917.272246 Owner's Manual page 31

20.0 hp, 48" mower electric start automatic transmission
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TROUBLESHOOTING
CHART:
See appropriate
section in manual unless directed to Sears service center
IPROBLEM
CAUSE
CORRECTION
Mower blades will
2. Worn/damaged mower
2. Replace mower drive belt.
not rotate (con't)
drive belt.
3. Frozen idler pulley.
3. Replace idler pulley.
4. Frozen blade mandrel.
4. Contact aSears or other
qualified service center.
Poor grass
1. Engine speed too slow.
|lscharge
2. Travel speed too fast.
3. Wet grass.
4. Mower deck not level.
5. Low/uneven tire air pressure
6. Worn, bent or loose blade.
7.
Buildup of grass,
leaves and
trash under mower.
8.
Mower drive belt worn.
9. Blades
improperly
installed.
10. Improper blades used.
11 .Clogged
mower deck vent
holes from buildup
of
grass, leaves,
and trash
around
mandrels.
Headlight(s)
not
1.
working
2.
(if so equipped)
3.
4.
5.
Battery will not
1.
charge
2.
3.
4.
Loss of drive
1.
2.
3.
Engine "backfires"
1.
when turning
engine
"OFF"
Switch is "OFF".
Bulb(s) or lamp(s) burned out
Faulty light switch.
Loose
or damaged
wiring.
Blown fuse.
Bad battery cell(s).
Poor cable connections.
Faulty regulator
(if so equipped).
Faulty alternator.
Freewheel
control
in
"disengaged"
position.
Motion
drive belt worn,
damaged,
or broken.
Air trapped
in transmission
during
shipment
or
servicing.
Engine throttle control
not
set at "SLOW"
position
for 30 seconds
before
stopping
engine.
1. Place throttle control
in
"FAST" position.
2.
Shift to slower speed.
3. Allow grass to dry before
mowing.
4.
Level mower deck.
5.
Check tires for proper air
pressure.
6.
Replace/sharpen
blade.
Tighten
blade bolt.
7. Clean
underside
of mower
housing.
8.
Replace
mower
drive belt.
9.
Reinstall
blades
sharp
edge
down.
10. Replace
with blades
listed
in this manual.
11 .Clean
around
mandrels
to
open vent holes.
1. Turn switch "ON".
2.
Replace
bulb(s)
or lamp(s).
3.
Check/replace
light switch.
4. Check
wiring
and connec-
tions.
5.
Replace
fuse.
1. Replace
battery.
2. Check/clean
all connec-
tions.
3.
Replace
regulator.
4.
Replace
alternator.
1. Place freewheel
control
in
"engaged"
position.
2.
Replace
motion drive belt.
3.
Purge transmission.
1. Move throttle
control to
"SLOW"
position
and allow
to idle for 30 seconds
before
stopping
engine.
31

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