5-12.
Feedshell Slide Bars Replacement
a. Removal.
NOTE
Replace slide bars one at a time so that
feedshell
is
never
completely
disconnected.
The following procedure is the same for
all four slide bars.
(1)
Position feedshell horizontally.
(2)
Remove two bolts (1) and lockwashers (2)
securing slide bar (3) and two shims (4) to guide plate
(5). Remove slide bar and shims. Discard lockwashers.
b.
Installation.
(1)
Install slide bar (3) and two shims (4) on
guide plate (5) using two bolts (1) and new lockwashers
(2).
(2)
Measure clearance between slide bar (3)
and flange on feedshell (6). If clearance is greater than
1/8 in., remove thinner shim and remeasure. Adjust
shims until clearance is 1/8 in. or less.
Section III. MAINTENANCE OF THE FEED AND LEVELING MECHANISM
5-13.
Feed Chain Adjustment
a.
Loosen
four
locknuts
(1)
securing
flange
bearings (2) to chain adjuster (3).
b.
Loosen jam nut (4).
c.
Tighten bolt (5) to tighten chain (6) or loosen bolt
to loosen chain.
d.
When chain (6) is properly adjusted, tighten jam
nut (4) against top of chain adjuster (3).
e.
Tighten four locknuts (1).
5-14.
Chain Adjuster and Upper Sprocket, Shaft,
and Bearings 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 feed chain (3). Remove master
link. Discard cotter pins.
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