Craftsman 917.25597 Owner's Manual page 29

TF OUBLESHOOT NG
POHNTS
PROBLEM
Engine continues to run
when operator leaves seat
with attachment clutch
engaged
Poor cut - uneven
Mower blades will not
rotate
Poor grass discharge
Headlight(s) not working
(if so equipped)
Battery will not charge
Engine "'backfires"
when turning engine
"OFF"
CAUSE
I.. Faulty operator-safety presence control system
1 Worn, bent or loose blade.
2. Mower deck not level
3 Buildup of grass, leaves, and trash under mower..
4 Bent blade mandrel
5 Clogged mower deck vent holes from buildup of
grass, leaves, and trash around mandrels
I Obstruction in clutch mechanism..
2. Worn/damaged mower drive bell
3 Frozen idler pulley..
4 Frozen blade mandrel
1 Engine speed too slow,
2 Travel speed too fasL
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
t I Clogged mower deck vent holes from buildup of
grass, leaves, and trash around mandrels.
1.. Switch is "OFF".
2 Bulb(s) burned out
3 Faulty light switch..
4. Loose or damaged wiring
5. Blown fuse
t Bad battery cell(s).
2 Poor cable connections
3. Faulty regulator (if so equipped)
4. Faulty alternator
1. Engine throttle control not set at "SLOW"
position for 30 seconds before stopping engine.
CORRECTION
1 Check wiring, switches and connections If not
corrected, contact an authorized service center/
department.
1 Replace blade Tighten blade bolt
2. Level mower deck
3 Clean undersideol mower housing
4 Replace blade mandrel.
5. Clean around mandrels to open vent holes
1 Remove obstruction
2 Replace mower drive belt
3 Replace idler pulley
4 Replace blade mandrel.
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 properair 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)
3. Check/replace light switch
4 Check wiring and connections
5 Replace fuse
1 Replace battery.
2 Check/clean all connections.
3. Replace regulator..
4 Replace alternator
1 Move throttle control to "SLOW" position and allow
to idle for 30 seconds before stopping engine..
29