MacDon CA25 OM - Manual (Page 142)

SECTION 8. MAINTENANCE AND SERVICING
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Revision B
C
8.9.9.2 Right End Drive
CAUTION
To avoid person al injury, before servicing
machine or opening drive covers, follow
procedures in Section 8.1 PREPARATION
FOR SERVICING.
Tension Adjustment: Timing Belt
IMPORTANT
To prolong belt and drive life, do
NOT over-tighten belt.
Refer to 8.9.9.1. Left End Drive: Tension
Adjustment: Timing Belt.
Removal: Right End Timing Belt
a. Open right endshield.
b. Loosen two nuts (A) on belt idler bracket to
relieve tension on belt.
c. Loosen nut (B) on idler pulley, and slide idler
down to loosen belt.
d. Remove bolt in plate (C)
in right endsheet at sickle
drive box, and remove
plate. This provides
clearance between pulley
and endsheet for belt
when it is removed.
e. Slip timing belt off sickle
drive box pulley, and
route belt between sickle
drive box pulley and
endsheet.
f. Remove belt from drive pulley.
Installation: Right End Timing Belt
a. Route timing belt (D) between sickle drive box
pulley (E) and endsheet, and locate on sickle
drive box pulley, and over idler (F).
NOTE
When installing new belt, never pry
belt over pulley. Be sure adjusting
device is fully loosened, then tension
belt.
b. Position timing belt on drive pulley (G).
c. Adjust timing belt tension, and check belt
clearance to belt guide. Refer to 8.9.9.1. Left
End Drive, Tension Adjustment: Timing Belt.
d. Re-install plate (C) in endsheet.
e. Close left endshield.
f. Re-adjust tension of a new belt after a short
run-in period (about 5 hours).
G
A
B
D
E
F