Operator`s manual

SECTION 10. MAINTENANCE AND SERVICING
Form 169006 162 Revision D
10.9.3 Auger Drive Chain Replacement
The chain tensioner can only take up slack for a
single pitch. When the chain has worn or
stretched beyond the limits of the tensioner, the
chain should be replaced, or removed to replace
the connector link with an offset half link.
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. Detach header from combine. Refer to Section 7
HEADER ATTACHMENT/DETACHMENT.
b. Loosen nut (A). Remove clip (B) and cover (C).
c. Remove chain as follows:
1. Loosen idler sprocket bolt (D), and raise to
“uppermost” position to release tension on
chain. Snug up bolt (D) to hold sprocket.
2. Remove nut (E) and bolts (F), and remove
cover (G).
3. Rotate auger to expose connector link (H).
4. Push on one leg of clip (J) to remove it from
link.
5. Remove link, and remove chain.
6. Replace one link with an offset link, and
re-install, or install a new chain.
d. Install chain as follows:
1. Feed chain (K) around sprockets as shown,
and position so that connection can be made
on driven sprocket (L).
2. Install connector link (H) (shown in previous
column). Refer to Section 10.3.2 Roller Chain
Installation.
e. Tighten chain. Refer to Section 10.9.2 Auger
Drive Chain Adjustment.
f. Lubricate the chain with SAE Multi-Purpose High
Temperature Extreme Pressure (EP2)
Performance With 1% Max Molybdenum
Disulphide (NLGI Grade 2).
g. Position cover (G) on case, and secure with nut
(E) and bolts (F).
h. Position cover (C) on case and secure with clip
(B). Tighten nut (A).
H
J
E
G
F
D
A
B
C
A
B
C
J
H
CUTAWAY VIEW OF CHAIN CASE
L
K