Troubleshooting Guide
Engine/Motor and Drive Pulleys Alignment
Troubleshooting Guide
60HD-Rdoc072619
6-8
6
6.4
Engine/Motor and Drive Pulleys Alignment
WARNING!
Before performing service near moving parts such as
blades, pulleys, motors, belts and chains, first turn the key switch to
the OFF (#0) position and remove the key. If the key is turned on and
moving parts activated, serious injury may result.
WARNING!
Do not for any reason adjust the engine drive belts or belt
support bracket with the engine running. Doing so may result in seri-
ous injury.
1.
Install and properly tension the drive belt (
).
2.
With the autoclutch disengaged, use a straight edge to check the alignment of the pulley
on the engine/motor to the alternator pulley. Loosen the bushing on the engine/motor pul-
ley and adjust if necessary until it is aligned with the alternator pulley.
3.
With the autoclutch disengaged, use a straight edge to check the alignment of the
engine/motor pulley to the main drive pulley. Loosen the bushing on the drive pulley and
adjust if necessary until it is aligned with the engine/motor pulley.
4. (E25/E30 Only):
Check that the engine/motor pulley is also square with the drive pulley. If
neccessary, loosen the engine mounting bolts and cock the engine until the pulley is
square with the drive pulley. Retighten the engine mounting bolts.
5.
Check that all engine mounting bolts and pivot bushing clamps are tight.
6.
Engage the autoclutch and recheck the pulley alignment. Adjust if necessary.
7.
If any pulleys were adjusted, recheck the drive belt support(s) and adjust if neccessary
(