MacDon DWA for M Series - Manual (Page 30)

MAINTENANCE/SERVICE
169216 Revision E 28
Draper roller maintenance
The draper rollers have non-greaseable
bearings. The external seal should be checked
every 200 hours or more frequently in sandy
conditions to obtain the maximum bearing life.
Remove front skid to inspect seals.
DANGER
To avoid bodily injury or death from
unexpected start-up or fall of raised
machine, stop engine, remove key, and
engage safety pin before going under
machine for any reason.
Drive roller:
1. Raise deck and engage safety pin.
2. Remove front skid, loosen and remove
draper. See page 27 for instructions.
3. Loosen two jam nuts (N) and set screws (P).
4. At the front of the drive roller (S) remove bolt
and washer (R). The arm can be pulled out
of the deck.
5. Slide the drive roller off the motor shaft.
6. If you need to repair the bearing or seal, see
Draper roller bearing/seal replacement on
page 29.
7. Re-install drive roller in reverse order.
NOTE: Apply grease to motor shaft before
reassembling.
8. Slide drive roller on to motor shaft. Make
sure it is fully engaged. The drive roller
should be 1-1/3 in. (33 mm) from the face of
the motor.
9. Install two set screws (P) with jam nuts.
Torque set screws to 20 ft-lbf (27 N-m).
10. Torque bolt (R) to 70 ft-lbf (95 N-m).
R S
P
N