TM 11-5840-281-35/1
(36) Lift lock tab on key washer and remove nut
(54) Pull shaft and gear cluster from azimuth drive-
(68), key washer (69), and spacer (70) from azimuth
housing cover.
drive shaft.
(55) Remove pin (110) and slide anti-backlash gear
(37) Remove two screws (71), lockwashers (72),
(111) from shaft.
and flat washers (73) from azimuth drive housing cover.
(56) Remove spacer (112) from shaft.
(38) Remove 13 nuts (74), screws (75), lock-
(57) Remove pin (113) and slide gear cluster (114)
washers (76), and 26 flat washers (77) from azimuth
from shaft.
drive housing cover.
(58) Remove spacer (115) from shaft (116).
(39) Slide azimuth drive housing cover (78) and
(59) Remove bearings (117) from azimuth drive
gasket (79) down and off azimuth drive shaft.
housing cover.
(40) Remove bearing (80), seal (81), and pre-
(60) Unsolder wires from synchro B1001.
formed packing (82) from azimuth drive shaft.
(61) Remove loose wires from azimuth drive
(41) Lift lock tab on key washer and remove nut
housing cover.
(83) and key washer (84) from azimuth drive shaft.
(62) Remove three rim clamps (118) and carefully
(42) Slide spur gear (85) and spur gear (86) from
pull synchro and gear assembly from azimuth drive
azimuth drive shaft.
housing cover.
(43) Separate spur gears and remove pin (87).
(63) Loosen hub clamp (119). Remove hub clamp
(44) Remove four screws (88), lockwashers (89),
and anti-backlash gear (120) from synchro shaft.
and flat washers (90).
(64) Remove three rim clamps (121).
(45) Remove retaining ring (91) and nonmetallic
(65) Separate synchro (122) from synchro mount
washer (92) from azimuth drive shaft.
(123).
(46) Remove screw (93) and slide slipring (94) from
(66) Unsolder wires from variable resistor R1001.
azimuth drive shaft.
(67) Remove loose wires from azimuth drive
(47) Pull azimuth drive shaft (95) from azimuth
housing cover.
drive housing.
(68) Remove three rim clamps (124) and carefully
(48) Remove pins (96 and 97) from azimuth drive
pull variable resistor and gear assembly from azimuth
shaft.
drive housing cover.
(49) Remove seal (98), snapring (99), and bearing
(69) Remove two setscrews (125) from spur gear.
(100) from azimuth drive housing (101).
(70) Remove spur gear (126), spacers (127),
washers (128), and dial (129) from variable resistor
shaft.
NOTE
(71) Remove retaining ring (130) from variable
The azimuth drive housing cover (78)
resistor (131).
and the azimuth drive housing (101) are
(72) Remove screw (132), lockwasher (133), and
a matched pair.
If either requires
flat washer (134).
replacement, they must both be
(73) Remove dial pointer (135) from azimuth drive
replaced by a new matched pair or the
housing cover.
(74) Unsolder wires from switches S1001, S1002,
properly.
and S1003.
(75) Remove loose wires from azimuth drive
(50) Loosen 10 fasteners (102) on cover (103).
housing cover.
(51) Remove cover (103) and gasket (104) from
(76) Remove timing pin (136) from spring clip.
azimuth drive housing cover.
(77) Remove screw (137), lockwasher (138), and
(52) Loosen three hub clamps (106). Slide hub
flat washer (139).
clamps and cams (106, 107, and 108) off of shaft.
(78) Remove spring clip (140) from switch mount.
(53)
Remove retaining ring (109) from shaft.
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