MacDon A40-D - Manual (Page 143)

SECTION 7 MAINTENANCE AND SERVICING
169000 / 169040
141
Revision E
7.8.13 Sickle Drive Box
7.8.13.1 Mounting Bolts
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.
Check torque of four sickle drive box mounting
bolts (A) after the first 10 hours operation, and
every 100 hours thereafter. Torque bolts to
200 ft·lbf (270 N·m). When tightening, start with
the side mounting bolts.
7.8.13.2 Sickle Drive Box Removal
a. Loosen sickle drive belt (B), and slip off sickle
drive box pulley. Refer to one of the following
sections, depending on your equipment:
 Section 7.8.9.1 Tension Adjustment: Sickle
Drive Belt - A30-S
 Section 7.8.10.1 Tension Adjustment:
LH Sickle Drive Timing Belt - A30-D
 Section 7.8.10.4 Tension Adjustment:
RH Sickle Drive Timing Belt - A30-D
 Section 7.8.11.1 Tension Adjustment:
LH Sickle Drive Belts - A40-D
 Section 7.8.11.4 Tension Adjustment:
RH Sickle Drive Belt - A40-D
b. Stroke sickle to its outer limit.
c. Clean area around sickle head.
d. Remove grease zerk (D) from sickle head pin
(E).
e. Remove nut and bolt (C).
f. Insert screwdriver in groove of pin (E), and pry
up on pin to free sickle. Pin does not have to be
removed from arm.
g. Remove bolt (F) from pitman arm.
h. Remove pitman arm (G) from sickle drive box
output shaft.
i. Remove bolts (A) attaching sickle drive box to
frame.
j. Remove sickle drive box.
G
F
D
E
C
A
A
A
B