MacDon PW8 - Replacing Drive Roller Bearing on Right Side of Front Deck; Replacing Front Deck Idler Roller Bearings

215575 285 Revision B
Replacing Drive Roller Bearing on Right Side of Front Deck
The right front deck drive bearing is a greaseable type.
WARNING
To avoid bodily injury or death from unexpected startup of machine, always stop the engine and remove the key from
the ignition before leaving the operator’s seat for any reason.
1. Lower the hold-down fully.
2. Lower the header to the ground until the two float springs are loose.
3. Shut down the engine, and remove the key from the ignition.
4. Fully release the tension on the draper belt.
5. Support the draper roller with wooden blocks.
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Figure 5.151: Right Front Drive Bearing
6. Loosen the set screw in lock collar (A).
7. Loosen lock collar (A) using a hammer and punch to rotate
it clockwise. Remove the collar.
8. Loosen two bolts (B) securing the bearing to the frame.
9. Remove the bearing from the roller shaft and discard it.
10. Place the new bearing on the roller shaft and align the
mounting holes with the holes on the header frame.
11. Install two M12 x 40 mounting bolts (B) with the heads
facing inboard and secure them with two M12 lock nuts.
Tighten the lock nuts.
12. Install lock collar (A) onto the bearing. Tighten the collar by
rotating it counterclockwise with a hammer and punch.
13. Tighten the set screw on the lock collar.
14. Remove the wooden block.
15. Align the draper deck rollers. For instructions, refer to Aligning Front Draper Deck Rollers, page 287.
16. Tension the drapers.
Replacing Front Deck Idler Roller Bearings
The idler roller bearings for the front deck can be found under the wheel supports on each side of the header. They are
greaseable types.
WARNING
To avoid bodily injury or death from unexpected startup of machine, always stop the engine and remove the key from
the ignition before leaving the operator’s seat for any reason.
NOTE:
The following describes the bearing replacement procedure for the left front deck idler bearing; the procedure for the right
side is similar.
1. Shut down the engine, and remove the key from the ignition.
2. Fully release the tension on the draper belts.
3. Support the front deck roller with a wooden block.
MAINTENANCE AND SERVICING