7-7.
Chain Replacement
a. Removal.
(13) Install dead end plate (23) and new gasket (25)
on body (8) using eight screws (24).
(14) Tap bearing (29) into place in dead end plate
(23).
(15) Install dead end cap (21) and new gasket (22) on
dead end plate (23) using four screws (20).
(16) Install key (5) in feed motor shaft.
(17) Carefully position feed motor (3) for installa-
tion. Ensure that key (5) on feed motor shaft properly en-
gages keyway in gearbox shaft.
(18) Secure feed motor (3) to quill motor flange (4)
using four screws (1) and new lockwashers (2).
(19) Install feed motor and gearbox assembly (see
TM 5-3820-241-12).
16
WARNING
If feed shell is in operating position, fully lower
drifter before removing chain. Failure to follow
this warning could cause injury to personnel and
damage to equipment.
(1)
Fully loosen chain (see TM 5-3820-241-12).
(2)
Remove three screws (1) and lo&washers (2).
Remove chain mounting block (3) from slabback (4). Dis-
card lockwashers.
(3)
Move slabback (4) or chain mounting block (3)
out of the way so that master links on chain are accessible.
(4)
Remove two cotter pins (5) from each master
link (6). Separate master links and remove from chain
mounting block (3). Discard cotter pins.
(5)
Remove chain (7) from feedshell (8).
