MacDon A40-D Pull-Type - Manual (Page 159)

SECTION 7 MAINTENANCE AND SERVICING
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157
Revision F
h. Position auger drive belts (M) as shown above.
i. Turn adjuster bolt (N) so that belts (M) deflect
3/16 in. (4 mm) at mid-span when a load of
8–12 lbf (35–40 N) is applied to each belt.
j. Tighten bolts (O), and jam nut at (N).
k. Install drive chain (P) onto sprockets.
l. Turn adjuster bolt (Q) to give 0.2 in. (5 mm)
slack at mid-span of chain. Tighten nut (R) on
idler sprocket support.
m. Rotate auger, and check chain for slack at
tightest point. Readjust position of idler sprocket
to achieve required slack.
n. Slide upper roll driveline onto gearbox as shown.
Install and tighten two bolts and nuts (S). Torque
to 75 ft·lbf (102 N·m).
o. Attach lower roll driveline flange onto gearbox
flange using four bolts and nuts (T).
p. Adjust roll timing. Refer to Section 6.17.12.2 Roll
Timing and Alignment.
q. Clean off excess sealant from motor flange and
gearbox face.
r. Apply light coat of silicone to motor flange, and
position motor on gearbox as shown until
mounting holes are aligned, and pinion engages
gear in gearbox.
s. Install bolts (U) and washers, and torque to
75 ft·lbf (102 N·m).
t. Reconnect hoses to motor.
u. Close all shields before operating machine.
M
N
O
Q
R
P
T
S
T
U