Husqvarna YTH18542 Owners Manual - Page 27

Problem, Cause, Correction - deck belt

Get Husqvarna YTH18542 PDF manuals and user guides View all Husqvarna YTH18542 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 27 highlights

TROUBLESHOOTING PROBLEM CAUSE Engine continues to run when operator leaves seat with attachment clutch engaged 1. Faulty operator-safety presence control system. CORRECTION 1. Check wiring, switches and connections. If not corrected, contact an authorized service center/ department. CAUTION: DO NOT operate machine until problem is corrected. Poor cut - uneven Mower blades will not rotate Poor grass discharge Headlight(s) not working (if so equipped) 1. Worn, bent or loose blade. 2. Mower deck not level. 3. Buildup of grass, leaves, trash under mower. 4. Bent blade mandrel. 5. Clogged mower deck vent holes from buildup of grass, leaves, and trash around mandrels. 1. Obstruction in clutch mechanism. 2. Worn/damaged mower drive belt. 3. Frozen idler pulley. 4. Frozen blade mandrel. 1. Replace blade. Tighten blade bolt. 2. Level mower deck. 3. Clean underside of 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. Engine speed too slow. 1. Place throttle control in "FAST" position. 2. Travel speed too fast. 2. Shift to slower speed. 3. Wet grass. 3. Allow grass to dry before mowing. 4. Mower deck not level. 4. Level mower deck. 5. Low/uneven tire air pressure. 5. Check tires for proper air pressure. 6. Worn, bent or loose blade. 6. Replace blade. Tighten blade bolt. 7. Buildup of grass, leaves, trash under mower. 7. Clean underside of mower housing. 8. Mower drive belt worn. 8. Replace mower drive belt. 9. Blades improperly installed. 9. Reinstall blades sharp edge down. 10. Improper blades used. 10. Replace with blades listed in parts manual. 11. Clogged mower deck vent holes from buildup 11. Clean around mandrels to open vent holes. of grass, leaves, trash around mandrels. 1. Switch is "OFF". 2. Bulb(s) or lamp(s) burned out. 3. Faulty light switch. 4. Loose or damaged wiring. 5. Blown fuse. 1. Turn switch "ON". 2. Replace bulb(s) or lamp(s). 3. Check/replace light switch. 4. Check wiring and connections. 5. Replace fuse. 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. Loss of drive 1. Freewheel control in "disengaged" position. 2. Debris on steering plate (if equipped). 3. Motion drive belt worn, damaged, or broken. 4. Air trapped in transmission during shipment or servicing. 5. Axle key missing. 1. Place freewheel control in "engaged" position. 2. See "CLEANING" in the Maintenance section. 3. Replace motion drive belt. 4. Purge transmission. 5. Install axle key at rear wheel. See "TO REMOVE WHEEL" in the Service and Adjustments section. Engine "backfires" when turning engine "OFF" 1. Engine throttle control not set between half and full speed (fast) position before stopping engine. 1. Move throttle control between half and full speed (fast) position before stopping engine. Engine dies when tractor is shifted into reverse 1. Reverse operation system (ROS) is not "ON" 1. Turn ignition key to ROS "ON" position. See while mower or other attachment is engaged. Operation section. 27

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
27
TROUBLESHOOTING
PROBLEM
CAUSE
CORRECTION
Engine continues to
run when operator
leaves seat with
attachment clutch
engaged
1.
Faulty operator-safety presence control
system.
1.
Check wiring, switches
and connections.
If not
corrected, contact an authorized service center/
department.
CAUTION: DO NOT operate machine until
problem is corrected.
Poor cut - uneven
1.
Worn, bent or loose blade.
1.
Replace blade.
Tighten blade bolt.
2.
Mower deck not level.
2.
Level mower deck.
3.
Buildup of grass, leaves, trash under mower.
3.
Clean underside of mower housing.
4.
Bent blade mandrel.
4.
Replace blade mandrel.
5.
Clogged mower deck vent holes from
buildup of grass, leaves, and trash around
mandrels.
5.
Clean around mandrels to open vent holes.
Mower blades will
not rotate
1.
Obstruction in clutch mechanism.
1.
Remove obstruction.
2.
Worn/damaged mower drive belt.
2.
Replace mower drive belt.
3.
Frozen idler pulley.
3.
Replace idler pulley.
4.
Frozen blade mandrel.
4.
Replace blade mandrel.
Poor grass
discharge
1.
Engine speed too slow.
1.
Place throttle control in “FAST” position.
2.
Travel speed too fast.
2.
Shift to slower speed.
3.
Wet grass.
3.
Allow grass to dry before mowing.
4.
Mower deck not level.
4.
Level mower deck.
5.
Low/uneven tire air pressure.
5.
Check tires for proper air pressure.
6.
Worn, bent or loose blade.
6.
Replace blade.
Tighten blade bolt.
7.
Buildup of grass, leaves, trash under mower.
7.
Clean underside of mower housing.
8.
Mower drive belt worn.
8.
Replace mower drive belt.
9.
Blades improperly installed.
9.
Reinstall blades sharp edge down.
10.
Improper blades used.
10.
Replace with blades listed in parts manual.
11.
Clogged mower deck vent holes from buildup
of grass, leaves, trash around mandrels.
11.
Clean around mandrels to open vent holes.
Headlight(s) not
working
(if so equipped)
1.
Switch is “OFF”.
1.
Turn switch “ON”.
2.
Bulb(s) or lamp(s) burned out.
2.
Replace bulb(s) or lamp(s).
3.
Faulty light switch.
3.
Check/replace light switch.
4.
Loose or damaged wiring.
4.
Check wiring and connections.
5.
Blown fuse.
5.
Replace fuse.
Battery will not
charge
1.
Bad battery cell(s).
1.
Replace battery.
2.
Poor cable connections.
2.
Check/clean all connections.
3.
Faulty regulator (if so equipped).
3.
Replace regulator.
4.
Faulty alternator.
4.
Replace alternator.
Loss of drive
1.
Freewheel control in “disengaged” position.
1.
Place freewheel control in “engaged” position.
2.
Debris on steering plate (if equipped).
2.
See "CLEANING" in the Maintenance section.
3.
Motion drive belt worn, damaged, or broken.
3.
Replace motion drive belt.
4.
Air trapped in transmission during
shipment or servicing.
4.
Purge transmission.
5.
Axle key missing.
5.
Install axle key at rear wheel.
See "TO REMOVE
WHEEL" in the Service and Adjustments section.
Engine "backfires”
when turning
engine “OFF”
1.
Engine throttle control not set between
half and full speed (fast) position before
stopping engine.
1.
Move throttle control between half and full speed
(fast) position before stopping engine.
Engine dies when
tractor is shifted
into reverse
1.
Reverse operation system (ROS) is not "ON"
while mower or other attachment is engaged.
1.
Turn ignition key to ROS "ON" position. See
Operation section.