MacDon FD70 for Combine Operators - Manual (Page 179)

SECTION 10. MAINTENANCE AND SERVICING
Form 169006
177
Revision D
C
C
10.11.9.2 Right End Drive
CAUTION
To avoid personal injury, before servicing
machine or opening drive covers, follow
procedures in Section 10.1 PREPARATION
FOR SERVICING.
10.11.9.2.1 Tension Adjustment: Timing Belt
IMPORTANT
To prolong belt and drive life, do not
over-tighten belt.
Refer to 10.11.9.1.1 Tension Adjustment -
Timing Belt.
10.11.9.2.2 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
wobble box, and
remove plate.
This provides
clearance between
pulley and endsheet
for belt when it is
removed.
e. Slip timing belt off wobble box pulley, and route
belt between wobble box pulley and endsheet.
f. Remove belt from drive pulley.
10.11.9.2.3 Installation: Right End Timing Belt
a. Route timing belt (D) between wobble box pulley
(E) and endsheet, and locate on wobble 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. See 10.11.9.1.1 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