MacDon CA25 OM - Manual (Page 153)

SECTION 8. MAINTENANCE AND SERVICING
169593
151
Revision B
8.11.4.3 Idler Roller Removal
DANGER
Engage header lift cylinder stops and reel
props before working under header or
reel.
a. Raise header and reel, and engage cylinder
and reel stops.
b. On deck shift headers, position deck so idler
roller is easily accessible.
c. Loosen and uncouple draper. Refer to Section
8.11.2.1 Draper Removal.
d. Remove bolts (A) and washer at ends of idler
roller.
e. Spread roller arms (B) and (C), and remove
roller.
8.11.4.4 Idler Roller Installation
See illustration opposite.
a. Position stub shaft in idler roller in forward arm
(B) on deck.
b. Push on roller to deflect forward arm slightly so
that stub shaft at rear of roller can be slipped
into rear arm (C).
c. Install bolts (A) with washers, and torque to
70 ft·lbf (93 N·m).
d. Re-attach draper. Refer to Section 8.11.2
Replacing Split Draper.
e. Adjust draper tension. Refer to Section 8.11.1
Header Draper Tension Adjustment.
f. Run machine, and adjust tracking if required.
Refer to Section 8.11.3 Header Draper
Alignment.
8.11.4.5 Draper Roller Bearing/Seal
Replacement
a. Remove roller assembly. Refer to Section
8.11.4.1 Drive Roller Removal or Section
8.11.4.3 Idler Roller Removal.
b. Remove bearing assembly (E) and seal (D)
from roller tube (F) as follows:
1. Attach a slide hammer to threaded shaft.
2. Tap out the bearing assembly.
c. Clean inside of roller tube (F). Check tube for
wear or damage. Replace if necessary.
(continued next page)
A
B
A
C
E
F
D