MacDon CA25 OM User Manual
Page 166
SECTION 8. MAINTENANCE AND SERVICING
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164
Revision B
f.
Slip chain (E) off drive sprocket (L).
g. Remove sprocket (L) from shaft.
IMPORTANT
Do NOT use pry bar and/or hammer
to remove sprocket. This will
damage the motor. Use a puller if
sprocket does not come off by hand.
h. Align keyway (H) in new sprocket with key (J) in
shaft, and slide new sprocket onto shaft.
i.
Slip chain over drive sprocket.
j.
Install speed sensor disc (H) (if applicable) onto
shaft.
k. If
HIGH TORQUE drive:
1. Install slotted nut (K), and torque to
10–20 in·lbf (1.1–2.2 N·m).
2. Install cotter pin (J). Tighten nut to next slot
if required.
l. If
STANDARD TORQUE drive:
1. Install flat washer (G), lock washer, and bolt
(F).
2. Torque bolt to 18 lbf·ft (24 N·m).
m. Tighten chain (E). Refer to Section 8.12.4.1
Tension Adjustment: High Torque Drive.
(continued next page)
L
E
J
H
H
K
E
J
H
G
E
F