ARMY TM 9-1290-262-24&P
MARINE CORPS TM 00476C-24&P
AIR FORCE TO 49A7-3-72/74
3-2. M2A2 AIMING CIRCLE--MAINTENANCE INSTRUCTIONS. (cont)
REASSEMBLY (cont)
3 Apply aircraft grease (item 6, appx D) to
threads of three locking knob assemblies
(6).
4 Turn clamp (7) out to end of screw on
each locking knob assembly (6).
5 Install one locking knob assembly (6) by
turning clamp (7) one or two turns into
body assembly (4).
6 Position spring plate (8) with heads of its
three threaded inserts pointed toward
aiming circle.
7 Slip one spring plate fork into the groove
on outer end of locking knob assembly
screw (9).
8 Hold spring plate (8) in this position and
install remaining two locking knobs as
follows:
a. Slip groove in locking knob (6) into
spring plate fork.
b. Install locking knob (6) by turning clamp
(7) one or two turns into body assembly
(4).
3-18