Sickle Drive Belts - A30-D; Tension Adjustment- Lh Sickle Drive, A30-D; Removal - Lh Sickle Drive Belt, 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,
A30-D
Adjust tension on sickle drive belt (A) as follows:
IMPORTANT
To prolong belt and drive life, do not over-
tighten belts.
a. Open LH end shield.
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
inch (14 mm) at mid-span.
e. Tighten jam-nut at (C) and three nuts (B).
f. Close end shield.
g. Re-adjust tension of a new belt after a short run-
in period, (about 5 hours).
Form # 169000
MAINTENANCE/SERVICE
D
C
B
7.8.10.2 Removal – LH Sickle Drive Belt, A30-D
Remove sickle drive belt (A) as follows:
a. Open LH end shield.
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).
115
A
E
F
D
G
J
(continued next page)
Model Year - 2009
K
H