MacDon A40-D - Manual (Page 156)

SECTION 7 MAINTENANCE AND SERVICING
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154
Revision E
7.11.2 Auger Drive Chain: A30-D
7.11.2.1 Tension
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.
a. Open LH endshield.
b. Loosen nut (A) on idler sprocket support.
c. Turn adjuster bolt (B) to give 0.2 in. (5 mm)
slack at mid-span of chain. Tighten nut (A) on
idler sprocket support.
d. Rotate auger, and check chain for slack at
tightest point. Re-adjust position of idler
sprocket to achieve required slack.
e. Close endshield.
7.11.2.2 Removal
a. Open LH endshield.
b. Loosen nut (A) on idler sprocket support.
c. Turn adjuster bolt (B) to loosen chain so that it
can be removed from small sprocket.
d. Remove chain from large sprocket.
7.11.2.3 Installation
a. Position chain around sprockets as shown.
b. Turn adjuster bolt (B) to give 0.2 in. (5 mm)
slack at mid-span of chain. Tighten nut (A) on
idler sprocket support.
c. Rotate auger and check chain for slack at
tightest point. Re-adjust position of idler
sprocket to achieve required slack.
d. Close endshield before engaging header.
B
A