TM 11-5840-281-35/1
(19) Separate cover (39) and gasket (40) from
(9) Secure cover (39) to gearcase housing (61)
gearcase housing.
using 10 nuts (35), 11 screws (36), 1 lockwasher (37),
(20) Remove bearing (41), spur gearshaft (42),
and 11 flat washers (38).
bearing (43), and seal (44).
(10) Attach azimuth drive motor (34) to cover (39)
(21) Remove four screws (45), sleeve (46), and
using four screws (31), lockwashers (32), and flat
gasket (47) from cover.
washers (33).
(22) Remove retaining ring (48), spur gearshaft
(40), bearing (50), and preformed packing (51).
NOTE
(23) Remove spur gearshaft (52) and bearing (53).
Orient azimuth drive motor so terminal
(24) Remove spur gearshaft (54) and two bearings
boards are near hole where connector
(55).
J1003 will be installed.
(25) Remove spur gearshaft (56) and two bearings
(57).
(11) Using schematic of azimuth drive assembly as
(26) Remove four screws (58), lockwashers (50),
guide (fig. 7-64) solder wires to connector J1003 (29).
and instruction plate (60) from gearcase housing (61).
(12) Pass wires through gasket (30) and connector
mounting hole in cover (39) to terminal boards on
b. Assembly. To assemble azimuth drive gearcase-
azimuth drive motor (34), then attach connector (29) and
motor, proceed as follows:
gasket (30) to cover using four screws (27) and
(1) Attach gasket (47) and sleeve (46) to cover (39)
lockwashers (28).
using four screws (45).
(2) Install seal (44), bearing (43), and spur gear-
NOTE
shaft (42) into sleeve (46).
The cable from connector cover (26)
(3) Install one each of bearings (55 and 57) in
should be secured under one of the
cover (39), then install spur gearshafts (54 and 56).
screws (27).
NOTE
(13) Using schematic of azimuth drive assembly as
The large gear on spur gearshaft (54)
guide (fig. 7-64), connect wires from connector J1003
should engage spur gearshaft (42) and
(29) to terminal boards on azimuth drive motor.
the small gear on spur gearshaft (54)
(14) Install connector cover (26) on connector (29).
should engage the large gear on spur
(15) Place preformed packing (25) on motor shield
gearshaft (56).
(24), then attach motor shield to cover (39) using three
screws (20), three screws (21), six lockwashers (22),
(4) Place bearing (41) on spur gearshaft (42),
and six flat washers (23).
bearing (55) on spur gearshaft (54), and bearing (57) on
(16) Install preformed packing (19) inside air
spur gearshaft (56).
deflector ring (18), then slide air deflector ring
(5) Install bearing (53) into gearcase housing (61),
approximately 1 inch up on azimuth drive motor (34).
then insert spur gearshaft (52) through bearing (53) into
(17) If azimuth drive gearcase-motor is not being
gearcase housing.
installed on an operational radar set at this time, place
(6) Install bearing (50) on spur gearshaft (52) into
preformed packing (17) on shipping cover (16) and
gearcase housing.
secure to motor shield (24) with six captive fasteners
(7) Install spur gearshaft (49) on spur gearshaft
(15).
(52) and secure in place with retaining ring (48).
(18) Attach one end of wire rope assembly (13) to
(8) Place gasket (40) on cover (39), then carefully
gearcase housing (61) using nut (4), screw (5), lock-
mate cover (39) to gearcase housing (61), making sure
washer (6), and flat washer (7).
bearings (41, 55, and 57) seat properly in gearcase
(19) Attach other end of wire rope assembly (13) to
housing and that spur gearshaft (52) engages small gear
cover (14) using screw (11) and flat washer (12).
on spur gearshaft (56).
(20) If azimuth drive gearcase-motor is not being
installed on an operational radar set at this time,
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