MacDon PW8 - Replacing Idler Roller Bearing on Left Side of Rear Deck

215575 278 Revision B
27. Engage the combine header lift cylinder safety props.
28. Align the draper deck rollers.
29. Tension the drapers.
30. Install the right endshield. For instructions, refer to 3.3.6 Installing Right Endshield, page 30.
Replacing Idler Roller Bearing on Left Side of Rear Deck
The left idler roller bearing on the rear deck 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. Stop the engine, and remove the key from the ignition.
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Figure 5.135: Left Endshield
4. Open left endshield (A). For instructions, refer to 3.3.1
Opening Left Endshield, page 25.
5. Fully release the tension on the draper belt.
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Figure 5.136: Left Idler Bearing
6. Loosen the set screw in lock collar (A).
7. Loosen lock collar (A) by rotating the collar
counterclockwise.
8. Support the roller with a wooden block, and loosen
bolts (B) and (C) securing the bearing to the frame.
9. Remove the nuts on bolts (B) and (C).
10. Pull the bearing off the roller shaft.
11. Place the new bearing on roller shaft and align the
mounting holes.
12. Install M12 x 45 carriage bolt (B) in the forward hole and
M12 x 40 carriage bolt (C) in the aft hole. Ensure that the
bolt heads face inboard. Secure the bolts with lock nuts,
but do NOT fully tighten the nuts yet.
13. Install lock collar (A) onto the bearing. Lock the collar in
direction of shaft rotation using a punch and hammer.
MAINTENANCE AND SERVICING