MacDon PW8, Operator'S Manual

Page: 237 / 304

214657
223
Revision A
Replacing Idler Roller Bearing on Right Side of Rear Deck
DANGER
To avoid bodily injury or death from unexpected startup of machine, always stop engine and remove key
from ignition before leaving operator
’
s seat for any reason.
1. Lower the hold-down fully.
2. Lower header to the ground until the two float springs are loose.
3. Stop the engine, and remove the key from the ignition.
4. Remove right endshield if necessary. Refer to 3.3.5 Removing Right Endshield, page 34 .
5. Fully release the draper belt tension. Refer to Adjusting Rear Draper Belt Tension, page 90 .
Figure 5.131: Right Side Idler Bearing
6. Loosen setscrew in lock collar (A) using a 6 mm
hex key.
7. Rotate lock collar (A) clockwise to loosen and
remove collar.
8. Support the roller with a wooden block, and loosen
bolts (B) and (C) securing bearing to frame.
9. Remove nuts on bolts (B) and (C).
10. Pull bearing off roller shaft.
11. Place new bearing on roller shaft and align
mounting holes.
12. Install the M12 x 45 carriage bolt (B) in the forward hole
and the M12 x 40 carriage bolt (C) in the aft hole.
Ensure bolt heads face inboard, secure with lock nuts,
but do
NOT fully tighten.
13. Install lock collar (A) onto the bearing, and rotate lock
collar counterclockwise until tight.
14. Tighten the setscrew using a 6 mm hex key.
15. Align the draper deck rollers. Refer to Aligning Rear Draper Deck Rollers, page 224 .
16. Tension the drapers. Refer to Adjusting Rear Draper Belt Tension, page 90 .
17. Replace right endshield if previously removed. Refer to 3.3.6 Installing Right Endshield, page 35 .
MAINTENANCE AND SERVICING