MacDon PW8, Operator'S Manual

Page: 243 / 304

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Revision A
Replacing Drive Roller Bearing on Right Side of Front 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. Release draper belt tension fully. Refer to 3.12.7 Draper Belt Tension, page 87 .
Figure 5.145: Right Side Front Deck
5. Loosen setscrew in lock collar (A) using a 6 mm
hex key.
6. Rotate lock collar (A) clockwise to loosen and
remove collar.
7. Support the roller with wooden blocks, and loosen two
bolts (B) securing bearing (C) to frame.
8. Remove existing bearing (C) from roller shaft.
9. Place new bearing on roller shaft and align
mounting holes.
10. Install M12 x 40 mounting bolts (B) (if previously
removed) with heads facing inboard, and secure with
lock nuts.
11. Install lock collar (A) onto the bearing (C), and rotate
lock collar counterclockwise until tight.
12. Tighten the setscrew using a 6 mm hex key.
13. Remove wooden block.
14. Align the draper deck rollers. Refer to Aligning Front Draper Deck Rollers, page 231 .
15. Tension the drapers. Refer to 3.12.7 Draper Belt Tension, page 87 .
Replacing Front Deck Idler Roller Bearings
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.
NOTE:
The following describes the bearing replacement procedure for the left side
—
the procedure for the right side is
identical.
1. Stop the engine, and remove the key from the ignition.
2. Release draper belt tension fully. Refer to Adjusting Front Draper Belt Tension, page 88 .
MAINTENANCE AND SERVICING