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 TM 55-1905-223-24-18-2
t.
Remove slotted spring pin (21) and drive gear (22) from motor.
REPAIR
Repair at this level of maintenance is by replacement of: start-run rotary switch (7, Figure 3-81), toggle
switch (10), drawer tilt push switch (8), drawer safety push switch (9), top limit and directional sensitive
switch (4), solid state switch (27, Figure 3-82), alternating current motor (26), power screw assembly (33).
ASSEMBLY
a.
Install drive gear (22) and slotted spring pin (21) on alternating current motor (26).
b.
Install drive motor on mount plate (24) and attach with locknut (23).
c.
Install drive chain (17).
d.
Slide drive motor (26) back and tighten machine bolt (25).
e.
Install wave washer (20), thrust washer (19), driven gear (18) and clip ring (16).
f.
Install power screw assembly (33) and attach with machine screw (32).
g.
Turn driven gear (18) until power screw assembly engages ram (31).
h.
Install bottom pan (15) and attach with machine screw (14).
i.
Install solid state switch (27) and attach with machine screw (28).
j.
Install motor cover (29) and attach with machine screw (30).
k.
Install motor cover plate (12) and attach with machine screw (11).
l.
Install toggle switch (10, Figure 3-81).
m.
Install drawer tilt push switch (8).
n.
Install start-run rotary switch (7) and lock ring.
o.
Install drawer safety push switch (9).
p.
Install top limit and directional sensitive switch (4).
q.
Install nut plate (5) and screws (6).
r.
Remove tags and connect electrical leads.
s.
Install control escutcheon (1) and attach with machine screw (2).
t.
Insert and close drawer (3).
3-322
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