Troubleshooting
40
PROBLEM
CORRECTIVE ACTION
POSSIBLE CAUSES
Engine overheats.
1.
Engine load is excessive.
1.
Reduce ground speed.
2.
Oil level in crankcase is low.
2.
Add oil to crankcase.
3.
Cooling fins and air passages
under engine blower housing
are plugged.
3.
Remove obstruction from
cooling fins and air passages.
Abnormal vibration.
1.
Engine mounting bolts are
loose.
1.
Tighten engine mounting
bolts.
2.
Loose engine pulley, idler
pulley, or blade pulley.
2.
Tighten the appropriate
pulley.
3.
Engine pulley is damaged.
3.
Contact Authorized Service
Dealer.
Machine does not drive.
1.
Drive control is in “PUSH”
position.
1.
Move drive control to
“OPERATE” position.
2.
Traction belt is worn, loose or
broken.
2.
Contact Authorized Service
Dealer.
3.
Traction belt is off pulley.
3.
Contact Authorized Service
Dealer.
Summary of Contents for 72086
Page 7: ...Safety 5 Slope Chart Read all safety instructions on pages 2 4...
Page 8: ...6...
Page 38: ...Maintenance 36 Wiring Diagram...
Page 43: ......