Troubleshooting - Troy-Bilt 21AE682W766 Operator's Manual

Troubleshooting

Problem
Wheels and tines do not turn
Wheels and tines turn on top
of ground, but stop or hesitate
in soil
Wheels turn, but tines do not
Tines turn, but wheels do not
Wheels/Tines/PTO Lever does
not stay in forward
Wheels/Tines/PTO Lever hard
to shift into reverse
Tiller stays in reverse or forward
when Wheels/Tines/PTO Lever is
released or lever is hard to shift
Wheel Speed Lever is hard
to shift
Wheel Speed Lever shifts into
FAST gear, but not SLOW
Wheel Speed Lever moves freely,
but does not change gears
Tiller jumps while tilling
Depth Regulator Lever difficult
to move
Cause
1. Mis-adjusted drive belt and/or reverse disc
2. Loose bolt on transmission drive pulley
3. Worn worm gears
1. Loose drive belt
2. Loose bolt on transmission drive pulley
1. Tines/PTO clutch lever not engage
2. Tines/PTO clutch lever out of adjustment
3. Dog clutch key missing
4. Worn worm gears
5. Missing or broken tines or tine hardware
1. Missing Hi-Pro key inside wheel clutch
2. Worn gears
3. Drive dogs on wheel clutch worn out or broken
1. Drive belt too tight
2. Clutch Pawl spring overstretched
1. Worn reverse disc
2. Motor mount bars sticking
1. Motor mount bars sticking
1. Eccentric lever is sticking
2. Clutch inside transmission binding
1. Connecting rod at back of lever backwards or bent
in towards transmission and hitting it
2. Clutch inside transmission binding
1. Broken or worn eccentric shifting pin
1. Depth Regulator Lever is too deep for soil
conditions
1. Depth Regulator Lever bent
2. Depth Regulator Lever sticking
Remedy
1. See Maintenance & Adjustments Section
2. Tighten bolt
3. See authorized service dealer
1. Adjust drive belt (See Maintenance & Adjustments
Section)
2. Tighten bolt
1. Engage lever
2. See Maintenance & Adjustments Section
3. Contact authorized service dealer
4. Contact authorized service dealer
5. See Service Section
1. Contact authorized service dealer
2. Contact authorized service dealer
3. Contact authorized service dealer
1. See Maintenance & Adjustments Section
2. Replace spring
1. Replace reverse disc
2. Lubricate mount bars
1. Lubricate motor mount bars
1. Lubricate the eccentric lever and linkage to wheel
speed lever
2. Contact authorized service dealer
1. Straighten or replace linkage
2. Contact authorized service dealer
1. Contact authorized service dealer
1. Use a shallower setting
1. Straighten lever
2. Lubricate lever
6
23