ARMY TM 9-1290-262-24&P
MARINE CORPS TM 00476C-24&P
AIR FORCE TO 49 A7-3-72/74
4-2. M2A2 AIMING CIRCLE--MAINTENANCE INSTRUCTIONS (Cont).
REASSEMBLY (cont)
30
Lightly lubricate all bearing and working
surfaces of elbow telescope (41), cover
assembly (44), and interior of large bore of
body assembly (38) with grease (item 6,
31
Slide elevating gear (40) on elbow tele-
scope (41) through large bore of body as-
sembly (38).
32
Support elbow telescope (41 ) in position.
33
Install cover assembly (44). Tighten as far
as it will go. Then back off slightly to aline
holes in cover assembly and elevating
gear (40) for setscrew (45).
34
Install cover assembly (44). Tighten as far
as it will go. Then back off just far enough
for the elbow telescope (41) to rotate with-
out binding.
35
Using setscrew hole in cover assembly
(44) as a guide, spot drill hole in elevating
gear (40) to depth of drill bit point, using a
0.093-in. diameter drill.
Install setscrew (45).
36
4-3. ELBOW TELESCOPE--MAINTENANCE INSTRUCTIONS
This task covers:
a. Disassembly
c. Repair
b. Cleaning
d. Reassembly
INITIAL SETUP
Tools and Special Tools
References
Electronic system maintenance tool kit
TM 9-254
(SC 5180-95-CL-B29)
TM 750-116
Equipment Conditions
Materials/Parts
Pg. 4-5 Elbow telescope removed