TM 11-5840-281-35/1
shipping cover (57) using screw (54) and flat washer
NOTE
(55).
Wires from the synchro, variable resis-
(77) If gearcase-motor (4) is not to be installed at
tor, and switches are routed through a
this time, attach shipping cover (57) in its place using
hole in azimuth drive housing cover (78)
four screws (1), lockwashers (2), and flat washers (3).
to the connector and electrical contact
(78) Attach identification plate (67) to azimuth drive
brush in the azimuth drive housing.
housing four screws (64), lockwashers (65), and flat
washers (66).
(65) Dress wires so they do not touch azimuth drive
shaft as it is rotated, then attach connector J1001 (62)
and gasket (63) to azimuth drive housing using four
5-14.
Disassembly and Assembly of Azimuth Drive
screws (59), lockwashers (60), and flat washers (61).
Gearcase-Motor
NOTE
a. Disassembly.
To disassemble azimuth drive
The cable from connector cover (58)
should be secured under one of the
gearcase-motor, proceed as follows:
screws (59).
(1) Remove two plugs (1), plug (2), and gasket (3).
(2) Allow lubricant to drain completely before
(66) Screw connector cover (58) on connector (62).
continuing with disassembly.
(67) Carefully insert rotary coupler (37) into azimuth
(3) Remove nut (4), screw (5), lockwasher (6), and
drive shaft (95), then install nut (34), screw (35), and flat
flat washer (7).
washers (36).
(4) Remove four screws (8), lockwashers (9), and
(68) Match the X stamped on flange (33) with the X
flat washers (10).
stamped on upper waveguide portion of rotary coupler
(5) Lift cover assembly from gearcase housing.
(37), then secure flange to rotary coupler using four
(6) Remove screw (11) and flat washer (12).
screws (32).
(7) Separate wire rope assembly (13) from cover
(69) Attach waveguide coupling (29) and wire rope
(14).
assembly (31) to rotary coupler (37).
(8) Loosen six fasteners (15), then remove ship-
(70) Attach other end of wire rope assembly (31) to
ping cover (16) and preformed packing (17).
waveguide cover (30) using screw (28), then secure
(9) Remove air deflector ring (18) and preformed
waveguide cover over open end of rotary coupler (37)
packing (19).
with waveguide coupling.
(10) Remove three screws (20), three screws (21),
(71) Attach gasket (19) and cover (18) to azimuth
six lockwashers (22), and six flat washers (23).
drive housing using eight screws (15), lockwashers (16),
(11) Remove motor shield (24) and preformed
and flat washers (17).
packing (25).
(72) Attach gasket (14) and dial window (13) to
(12) Disconnect wires at terminal boards that are
azimuth drive housing using four screws (10), lock-
connected between J1003 and terminal boards on motor.
washers (11), and flat washers (12).
(13) Remove connector cover (26) from connector
(73) Attach rotating joint guard (9) to azimuth drive
J1003.
housing using three nuts (5), screws (6), lockwashers
(14) Remove four screws (27) and lockwashers
(7), and six flat washers (8).
(28).
(74) If gearcase-motor (4) is to be installed at this
(15) Remove connector J1003 (29) and gasket
time, attach with four screws (1), lock- washers (2), and
(80).
flat washers (3).
(16) Remove four screws (31), lockwashers (32),
(75) Attach one end of wire rope assembly (56) to
and flat washers (33).
azimuth drive assembly using screw (51), lockwasher
(17) Separate azimuth drive motor (34) from cover.
(52), and flat washer (53).
(18) Remove 10 nuts (35), 11 screws (36), 1
(76) Attach other end of wire rope assembly (56) to
lockwasher (37), and 11 flat washers (38).
5-34
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