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Problem
Loss of Power
1. Cutting too much grass/too fast.
2. Throttle in "Choke" position.
3. Build-up of grass, leaves and trash under
4. Dirty air filter.
5. Low oil level/dirty oil.
6. Faulty spark plug.
7. Dirty fuel filter.
8. Stale or dirty fuel.
9. Water in fuel.
10. Spark plug wire loose.
11. Dirty engine air screen/fins.
12. Dirty/clogged muffler.
13. Loose or damaged wiring.
14. Carburetor out of adjustment.
15. Engine valves out of adjustment.
16. Free wheel control in "disengaged"
17. Worn, damaged or broken motion drive
18. Trapped air inside transmission during
19. Clean the residues from the steering plate.
20. Worn, damaged or broken transmission
Excessive vibration
1. Worn, bent or loose blade.
2. Bent blade mandrel.
3. Loose/damaged part(s).
Engine dies when
1. Reverse Operation System (ROS) not ON
engaging tractor
reverse gear
Engine continues to
1. Faulty operator-safety presence control
run when operator
leaves seat with
attachment clutch
engaged
Probable cause
mower.
position.
belt.
transport or maintenance.
(If equipped).
belt.
while mower or another attachment is
coupled.
system.
Solution
1. Set in "Higher Cut" position/reduce speed.
2. Adjust throttle control.
3. Clean underside of mower housing.
4. Clean/replace air filter.
5. Check oil level/change oil.
6. Clean and re-gap or change spark plug.
7. Replace fuel filter.
8. Drain fuel tank and refill with fresh
gasoline.
9. Drain fuel tank and carburetor, refill tank
with fresh gasoline and replace fuel filter.
10. Connect and tighten spark plug wire.
11. Clean engine air screen / fins.
12. Clean/replace muffler.
13. Check all wiring.
14. See "To Adjust Carburetor" in Service
Adjustments section.
15. Contact TRAPP nearest authorized service
center.
16. Set free wheel control in "engaged"
position.
17. Replace motion drive belt.
18. Purge transmission.
19. Check the "CLEANING" item in the
Maintenance section of this manual.
20. Replace the transmission belt.
1. Replace blade. Tighten blade bolt.
2. Contact TRAPP nearest authorized service
center.
3. Tighten loose part(s). Replace damaged
parts.
1. Turn ignition key to ROS "On" position.
See "Operation" section.
1. Check wiring, switches and connections.
If not corrected, contact an authorized
service center/ department.
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