(3)
Remove two nuts (4), lockwashers (5).
flatwashers (6) (lower sprocket only), and bolts (7)
securing each bearing (8) to feedshell (9). Discard
lockwashers.
(4)
Loosen
two
setscrews
(10)
in
each
bearing (8).
(5)
Loosen setscrew (11) in sprocket (12).
(6)
Drive out shaft (13) and remove sprocket
(12) and two bearings (8).
(7)
Remove lubrication fitting (14) from each
bearing (8).
b.
Installation.
(1)
Install lubrication fitting (14) in each
bearing (8).
(2)
Position sprocket (12) in feedshell (9) and
install shaft (13). Ensure that sprocket is centered on
shaft.
(3)
Tighten setscrew (11) in sprocket (12).
(4)
Install bearing (8) on each end of shaft
(13).
(5)
Secure each bearing (8) to feedshell (9)
using two bolts (7). flatwashers (6), new lockwashers
(5). and nuts (4).
(6)
Tighten two setscrews (10) in each
bearing (8).
(7)
Ensure that drive chain (3) properly
engages all sprockets. Install master link (2) and secure
with four new cotter pins (1).
(8)
Lubricate bearings (LO 5-3820-241-12).
(9)
Adjust chain (see paragraph 5-13).
5-16.
Feed
Motor
and
Gearbox
Assembly
Replacement
a.
Removal.
(1)
Fully loosen chain (see paragraph 5-13).
(2)
Remove four cotter pins (1) from one of
the master links (2) on drive chain (3). Remove master
link. Discard cotter pins.
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