MacDon A40-D Pull-Type - Manual (Page 149)

SECTION 7 MAINTENANCE AND SERVICING
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147
Revision F
7.11 AUGER AND AUGER DRIVE:
A30-D
CAUTION
To avoid personal injury, before servicing
header/mower conditioner or opening drive
covers, follow procedures in Section 7.1
PREPARATION FOR SERVICING.
7.11.1 Auger Drive Chain: A30-D
7.11.1.1 Adjusting 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. Readjust position of idler sprocket
to achieve required slack.
e. Close endshield.
7.11.1.2 Removing
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.
7.11.1.3 Installing
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. Readjust position of idler sprocket
to achieve required slack.
d. Close endshield before engaging header.
B
A