TM 9-1240-401-34&P
3-19. LEVEL ASSEMBLY MAINTENANCE INSTRUCTIONS (M118A2) - continued
e. Installation
1 If two headless straight pins (7) were removed,
redrill using No. 44 (0.086) drill; drill 3/8 inch (9.53
mm) deep. Ream for drive fit in housing and slip fit
in level assembly (6).
2 Position level assembly (6) over housing and at-
tach wires (3) from wiring harness assembly using
machine screws (4 and 5). Remove tags.
3 Install level assembly (6) over two headless
straight pins (7) and secure with four new lock-
washers (2) and four machine screws (1).
f. Adjustment
1
Install M118A2 elbow telescope on howitzer and
level trunnions (ref. TM 9-2350-311-10).
2
Check that level (16) vial bubble is within the cen-
ter graduation marks of the vial. If bubble is not
within the center graduation marks, go to step 3.
3
Loosen threaded ring (13).
4
Engage fabricated eccentric tool into holder (14)
and threaded ring (13).
5
Insert a straight blade screwdriver through the cen-
ter hole in the eccentric tool.
6
Adjust cam (15) until level (16) vial bubble is cen-
tered.
7
Tighten threaded ring (13), being careful not to dis-
turb setting of vial.
8
Apply sealing compound (item 15, appx B) in the
space (A) between brass portion of level (16) vial
assembly and mount (9).
9
Apply sealing compound (item 13, appx B) to slot
(B) of threaded ring (13) and threads of mount (9).
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