Problem
Loss of power
Excessive vibration
Engine dies when
engaging tractor
reverse gear
Engine continues to
run when operator
leaves seat with
attachment clutch
engaged
Poor cut - uneven
116
All manuals and user guides at all-guides.com
Probable cause
1. Cutting too much grass/too
fast.
2. Throttle in "Choke" position.
3. Build-up of grass, leaves and
trash under mower.
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.
1. Worn, bent or loose blade.
2. Bent blade mandrel.
3. Loose/damaged part(s).
1. Reverse Operation System
(ROS) not ON while mower
or another attachment is
coupled.
1. 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.
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.
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.
1. Replace blade. Tighten blade bolt.
2. Level mower deck.
3. Clean underside of mower housing.
4. Contact TRAPP nearest authorized service
center.
5. Clean around mandrels to open vent
holes.