MacDon 922 - Manual (Page 58)

Form # 46620 Issue 01/06 56
MAINTENANCE/SERVICE
HAY CONDITIONER
Hay Conditioner Roll Timing
1. Minor corrections to roll timing can be made by
loosening bolt (A) and rotating gearbox to
correct roll timing.
2. Check for correct roll timing at R/H end of
conditioner roll.
3. Retighten bolt (A).
NOTE: If above procedure does not result in proper
roll timing proceed as follows:
1. Remove 4 bolts (B) and remove cover (C)
2. Loosen 6 bolts (D) at top roll hub (rotate top roll
to access these bolts through slot in cover.
3. Secure bottom roll and rotate top roll to center
top roll bar between bars on bottom roll.
4. Tighten 6 bolts (D).
5. Apply silicone sealant between cover plate and
gearbox cover, and reinstall cover (C).
CENTER TOP BAR BETWEEN TWO
BARS ON BOTTOM ROLL
C
B
D - Located under cover C
A
TIMING CONDITIONER ROLLS