ARMY TM 9-1290-262-24&P
MARINE CORPS TM 00476C-24&P
AIR FORCE TO 49A7-3-72/74
Install index (10), felt washer (9), adapter
19
(8), taper pin (7), azimuth micrometer
scale (3), azimuth knob (2), and two
screws (6).
Recheck for backlash. Repeat steps 1
20
thru 5.
21
Repeat steps 6 thru 20 until azimuth worm
backlash does not exceed 0.4 roil.
22 Install adapter (17) on azimuth knob.
23 Install O to 80 in.-oz torque wrench (18) on
adapter (17) and check for a running
torque of 12.00 to 36.00 in.-oz (0.08 to
0.25 N-m).
24 If torque is out of tolerance, repeat steps 6
thru 21 and recheck torque.
25 Fill setscrew holes with sealing compound
(item 8, appx D).
3-41
