7-22. Feed Motor Repair
Remove drive end plate (16) and gasket (17) from body (8).
Discard lockwashers and gasket.
(7) Remove bearing (18) and spacers (19) from in-
side drive end plate (16).
(8) Remove four screws (20). Remove dead end
cap (21) and gasket (22) from dead end plate (23). Discard
gasket.
(9) Remove eight screws (24). Remove dead end
plate (23), gasket (25). and rotor (13) from body (8). Vanes
(26) and springs (27) will come off as rotor is removed. Dis-
card gasket.
(10) Remove three push pins (28) from rotor (13).
(11) Press bearing (29) and rotor (13) out of dead
end plate (23).
(12) If damaged, remove two dowel pins (30) from
a. Disassembly.
dead end plate (23).
(1) Remove air hoses and fittings from feed motor
(13) If damaged, remove two dowel pins (31) from
(see paragraph 7-3).
drive end plate (16).
b. Inspection.
Note: Scribe feed motor and quill motor flange to ensure proper reas-
sembly.
(1) Clean and inspect bearings in accordance with
TM 9-214.
(2) Remove four screws (1) and lockwashers (2) se-
(2) Inspect all parts for cracks, damage, and exces-
curing feed motor (3) to quill motor flange (4). Remove
sive wear. Replace all damaged and worn parts.
feed motor and key (5). Discard lockwashers.
c. Assembly.
(1) If removed, install two dowel pins (31) in drive
end plate (16).
(2) If removed, install two dowel pins (30) in dead
end plate (23).
(3) Install rotor (13) in drive end plate (16).
(4) Install spacers (19) and bearing (18) over rotor
(13).
(5) Install lockwasher (11) and locknut (12) over
rotor. Ensure that tab on lockwasher engages rotor shaft.
Caution: Do not fully tighten locknut. Rotor must turn
freely.
(6) Tighten locknut (12), then bend tabs on lock-
washer (11) over locknut.
(7) Install new seal (9) in drive end cap (7).
(8) Install drive end cap (7) and new O-ring (10) on
drive end plate (16) using four screws (6).
(9) Install three push pins (28) in rotor (13).
(10) Install six springs (27) and vanes (26) in rotor
(3) Remove four screws (6). Remove drive end cap
(13). Install vanes with notches to front of feed motor.
(7) from body (8).
(11) Compress springs (27) and vanes (26) and slide
new gasket (17) and body (8) over rotor (13).
(4) Remove and discard seal (9) and O-ring (10).
(5) Open tabs on lockwasher (11). Remove locknut
(15) to secure drive end plate (16) to body (8).
(12) and lockwasher from rotor (13).
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