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

7.8.9 Sickle Drive Belt – A30-S
7.8.9.1

Tension Adjustment

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.
b. Loosen nut (B) securing idler pulley.
c. Loosen jam-nut on adjuster bolt (C).
d. Turn adjuster bolt (C) to move idler until a force
of 20 lbf (80 N) deflects belt (A) 1/4 inch (6 mm)
at mid-span.
e. Tighten jam-nut at (C) and nut (B) on idler
pulley.
f. Close shield.
g. Re-adjust tension of a new belt after a short run-
in period, (about 5 hours).
Form # 169000
MAINTENANCE/SERVICE
B
C
A
7.8.9.2 Removal – A30-S Sickle Drive Belt
Remove sickle drive belt (A) as follows:
a. Open LH end shield.
D
b. Loosen jam-nut on adjuster bolt (D).
c. Loosen three bolts (E).
d. Turn adjuster bolt (D) to loosen auger drive belts
(F) so they can be slipped off pulley (G).
e. Loosen nut (H) securing idler pulley.
f. Loosen jam-nut on adjuster bolt (J).
g. Turn adjuster bolt (J) so that sickle drive belt (A)
can be slipped off pulley (G).
h. Remove bolt-in plate in LH end sheet at wobble
box.
i. Slip belt off wobble box pulley and route belt
through this hole to remove it.
113
F
E
G
F
H
J
A
Model Year - 2009
G