32
TROUBLESHOOTING POINTS
PROBLEM
CAUSE
CORRECTION
Engine continues to
run when operator
leaves seat with
attachment
1. Faulty operator-safety presence control system.
1. Check wiring, switches and connections. If not
corrected, contact an authorized service center/
department.
Poor cut - uneven
1. Worn, bent or loose blade.
2. Mower deck not level.
3. Buildup of grass, leaves, and trash under mower.
4. Bent cutter housing.
5. Clogged mower deck vent holes from buildup of
grass, leaves, and trash around cutter housing.
1. Replace blade. Tighten blade bolt.
2. Level mower deck.
3. Clean underside of mower housing.
4. Replace cutter housing.
5. Clean around cutter housing to open vent holes.
Mower blades will
not rotate
1. Obstruction in clutch mechanism.
2. Worn/damaged mower drive belt.
3. Frozen idler pulley.
4. Frozen cutter housing.
1. Remove obstruction.
2. Replace mower drive belt.
3. Replace idler pulley.
4. Replace cutter housing.
Poor grass
discharge
1. Engine speed too slow.
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 cutter housing.
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 cutter housing to open bent holes.
Battery will
not charge
1. Bad battery cell(s).
2. Poor cable connections.
3. Faulty regulator (if so equipped).
4. Faulty alternator.
1. Replace battery.
2. Check/clean all connections.
3. Replace regulator.
4. Replace alternator.
Engine "backfires"
when turning
engine "OFF"
1. Engine throttle control not set at "SLOW"
position for 30 seconds before stopping
engine.
1. Move throttle control to "SLOW" position and
allow to idle for 30 seconds before stopping
engine.
Loss of drive
1. IZT bypass linkages in bypass position.
2. IZT belt worn, damaged, or broken.
1. Place IZT bypass linkages in drive in "engaged"
position.
2. Replace IZT belt.
Summary of Contents for ZCBI48180
Page 33: ...33 WIRING SCHEMATIC...
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