TM 11-5840-281-35/1
(7) Attach assembled switch and switch bracket to
(22) If gear cluster (114) and shaft (116) have
switch mount (165) using two screws (148), lockwashers
already been drilled to accept pin (113), proceed to step
(149), and flat washers (150).
(24); if not, temporarily attach gear cluster to shaft with 6-
(8) Attach switch (146) to switch bracket (147)
32 screw, making sure there is minimum end play and
using two screws (145) and nuts (144).
no binding, then proceed with next step.
(9) Attach assembled switch and switch bracket to
(23) Locate pre-drilled indent on gear cluster (114),
switch mount (165) using two screws (141), lockwashers
then carefully drill 0.093-0.098-inch hole through gear
(142), and flat washers (143).
cluster and shaft using indent as guide.
(10) Attach spring clip (140) to switch mount (165)
(24) Install pin (113) in prepared hole.
using screw (137), lockwasher (138), and flat washer
(25) Adjust anti-backlash gear (120) on synchro
(139).
shaft until fully meshed with gear cluster (114).
(11) Install timing pin (136) in spring clip (140).
(26) Adjust spur gear (126) on variable resistor
(12) Attach dial pointer (135) to azimuth drive
shaft until fully meshed with gear cluster (114).
housing cover (78) using two screws (132), lockwasher
(27) Place spacer (112) and anti-backlash gear
(133), and flat washer (134).
(111) on shaft (116).
(13) Attach variable resistor (131) to azimuth drive
(28) If anti-backlash gear (111) and shaft (116)
housing cover (78) using three rim clamps (124).
have already been drilled to accept pin (110), proceed to
(14) Stack spacers (127), washers (128), and
step (30); if not, proceed to next step.
azimuth dial (129) on spur gear (126) as shown on figure
(29) Locate pre-drilled indent on anti-back-lash
gear (111), then carefully drill 0.093/0.098-inch hole
in slot on spur gear (126).
through anti-backlash gear and shaft using indent as
(15) Install spur gear (126) on variable resistor
guide.
shafts using two setscrews (125).
(30) Install pin (110) in prepared hole.
(31) Slide hub clamp (105) and cam (108) on shaft
(116), then adjust cam on shaft in position to actuate
NOTE
switch (146) and secure in place with hub clamp.
Variable resistor (131) and azimuth dial
(32) Slide hub clamp (105) and cam (107) on shaft
(129) will be aligned as part of system
(116), then adjust cam on shaft in position to actuate
alignment.
switch (153) and secure in place with hub clamp.
(33) Slide hub clamp (105) and cam (106) on shaft
(16) Attach synchro mount (123) to azimuth drive
(116), then adjust cam on shaft in position to actuate
housing cover (78) using three rim clamps (118).
switch (160) and secure in place with hub clamp.
(17) Attach synchro (122) to synchro clamp (123)
(34) Place gasket (104) in position, then attach
using three rim clamps (121).
cover (103) to azimuth drive housing cover (78) with 10
(18) Attach anti-backlash gear (120) to synchro
fasteners (102).
shaft using hub clamp (119).
(35) Place bearing (100) in azimuth drive housing
(19) Install retaining ring (109) in slot on shaft
(101) and secure in position with snap ring (99).
(116), then install bearing (117) on shaft on top of
(36) Install seal (98) in azimuth drive housing.
retaining ring.
(37) Install pins (96 and 97) in azimuth drive shaft
(20) Insert shaft (116) and bearing (117) into
(95).
azimuth drive housing cover (78) from bottom, then
(38) Place slipring (94) in position inside azimuth
install another bearing on shaft from top.
drive housing, then carefully install azimuth drive shaft
(21) While holding shaft assembly in place, install
(95) through seal (98), bearing (100), and slipring (94).
spacer (115) and gear cluster (114) on shaft (116).
(39) Place nonmetallic washer (92) on azimuth
drive shaft (95) and secure in position with retaining ring
NOTE
(91), using four screws (88), lockwashers (89), and flat
Upper gear on gear cluster (114) should
washers (90).
engage spur gear (126) and lower gear
should engage anti-backlash gear (120).
5-32
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