Tension Adjustment - Rh Sickle Drive Belt, A30-D; Removal - Rh Sickle Drive Belt, A30-D - MacDon A30-S Operator's Manual

7.8.10.4 Tension Adjustment - RH Sickle Drive
Belt, A30-D
IMPORTANT
To prolong belt and drive life, do not over-
tighten belts.
a. Open RH end shield.
C
B
D
b. Loosen three nuts (B) and jam-nut on adjuster
bolt (C).
c. Turn adjuster bolt (C) to move pulley (D) until a
force of 5-6.5 lbf (22-30 N) applied at mid-span
deflects belt (A) 0.55 inch (14 mm).
d. Tighten jam-nut at (C) and three nuts (B).
e. Close end shield.
f. Re-adjust tension of a new belt after a short run-
in period, (about 5 hours).
Form # 169000
MAINTENANCE/SERVICE
A
118
7.8.10.5 Removal – RH Sickle Drive Belt, A30-D
a. Open shield on header RH side.
E
A
H
b. Loosen jam-nut on adjuster bolt (E) and nuts (F)
at reel drive arm.
c. Turn adjuster bolt (E) to loosen reel drive V-belts
(G) and remove belts from pulley (H).
C
B
D
d. Loosen three nuts (B) and jam-nut on adjuster
bolt (C).
e. Turn adjuster bolt (C) so that sickle drive belt (A)
can be slipped off pulley (D).
f. Remove bolt-in plate in LH end sheet at wobble
box.
g. Slip belt off wobble box pulley and route belt
through this hole to remove it.
F
G
A
Model Year - 2009