TM 11-5840-281-35/1
(81) Attach support tube (4) to elevation drive
housing using four screws (1), lockwashers (2), and flat
NOTE
washers (3).
Tighten these nuts down completely on
the setscrews.
NOTE
(70) Install one nut (186) completely up on screw
Scope mount will be aligned as part of
(187), then insert screw (187) through mounting hole in
the system alignment.
level (188). Install second nut (186) onto screw (187).
(82) Install gaskets (67) and covers (66) on
elevation drive housing and secure in place with 10
NOTE
fasteners (65) on each cover.
Do not tighten second nut, but allow
(83) Install gasket (104) and cover (103) over
screw to turn freely in level mounting
synchros and secure in place with 10 fasteners (102).
hole.
(84) Install identification plate (179) on elevation
drive housing using four nuts (175), screws (176),
(71) Position holes in level (188) over setscrews
lockwashers (177), and flat washers (178).
(189) and install screw (187) in existing hole in elevation
(85) Install lubrication plate (183) on elevation
drive housing.
drive housing using four screws (180), lockwashers
(181), and flat washers (182).
NOTE
(86) Install plug (184) and gasket (185) in
Screw (187) should be tightened down
elevation drive housing.
snug.
(87) Install two plugs (76) in elevation drive
housing.
(72) Screw one nut (186) on each setscrew
(189).
NOTE
The elevation drive assembly will require
NOTE
complete alignment after it is installed on
Level will require calibration before it is
a radar set.
used on an operational radar set.
5-18.
Disassembly and Assembly of Elevation
(73) Install 10-35 actuator assembly (24) using
Drive Motor
three screws (23).
(fig. 6-14)
(74) Insert cam follower (21) into connecting arm
(22) and secure in place with retaining ring (18).
a. Disassembly. To disassemble elevation drive
(75) Install actuator arm crank (28) on cam
motor, proceed as follows:
follower (21) and secure in place with washer (20) and
(1) Remove shaft cap (1) and preformed packing
nut (22).
(2).
(76) Install lube fitting (17) in each end of cam
(2) Remove six screws (3), lockwashers (4), and
follower (21).
end bell (5).
(77) Install actuator arm crank (28) on spur gear
(3) Remove seal (6), shim (7), spring tension
(92) and secure in place using screw (25), lockwasher
washer (8), and bearing (9).
(26), and flat washer (27).
(4) Remove rotor (10) from housing.
(78) If cable assembly (13) was disassembled,
(5) Remove bearing (11) and spacer (12).
reassemble from connector (14), cable (15), and
(6) Remove four drive screws (13) and
connector (16), then connect between connector (102)
identification plate (14).
on elevation drive housing and connector J503 on the
(7) Remove stator (15) from housing (16).
10-35 actuator assembly.
b. Assembly. To assemble the elevation drive motor,
(79) Attach angle bracket (12) to support tube (4)
proceed as follows:
using two screws (9), lockwashers (10), and flat washers
(1) Lubricate bearings (9 and 11) with grease
(11).
MIL-G-23827.
(80) Attach scope mount (8) to angle bracket
(12) using two screws (5), lockwashers (6), and flat
washers (7).
5-49
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