Sickle Drive Belts: A30-D - MacDon A30-S Operator's Manual

7.8.10 Sickle Drive Belts: A30-D

7.8.10.1 Tension Adjustment: LH Sickle Drive
Timing Belt - A30-D
IMPORTANT
To prolong belt and drive life, do not over-
tighten belts.
CAUTION
Stop engine, and remove key from ignition
before leaving Operator's seat for any
reason. A child or even a pet could engage
an idling machine.
a. Open LH endshield.
A
b. Loosen three nuts (B).
c. Loosen jam-nut on adjuster bolt (C).
d. Turn adjuster bolt (C) to move pulley (D) until a
force of 5 - 6.5 lbf (22 - 30 N) deflects belt (A)
0.55 in. (14 mm) at mid-span.
e. Tighten jam-nut at (C), and three nuts (B).
f. Close endshield.
g. Re-adjust tension of a new belt after a short
run-in period, (about 5 hours).
Form 169000 / 169040
SECTION 7 MAINTENANCE AND SERVICING
C
D
B
7.8.10.2 Removal: LH Sickle Drive Belts: A30-D
a. Open LH endshield.
A
G
b. Loosen nut (E) on idler sprocket.
c. Turn adjuster bolt (F) to loosen chain so that it
can be removed from large sprocket (G).
d. Loosen nuts (H), and jam-nut on adjuster bolt
(J).
e. Turn adjuster bolt (J) to loosen V-belts (K) so
that belts can be slipped off pulley (D).
131
E
F
D
J
(continued next page)
K
H
Revision D