T M 9 - 4 9 3 1 - 3 8 1 - 1 4 & P - 2
F R A M E 6
Repair Elevation Adjustment Assembly:
1.
2.
3.
4.
5.
GO
NOTE
Read paragraph 4-4 on replacing inserts before doing any
work.
Unscrew shaft (1) from block (2). Slide block (3) off shaft (I). Look at blocks (2, 3)
for cracks or breaks. If bad, turn in blocks (2,3).
Look at two mounting blocks (2,3) for bad inserts (4) or insert (5). If bad, replace
inserts (4,5). If OK, set blocks (2,3) aside for later use.
Look at shaft (1) for stripped threads, loose or broken knob (6). If bad, read note. If
OK, GO TO FRAME 7.
NOTE
If knob (6) has only one setscrew (7) do step 4 and GO TO
FRAME 7. If knob (6) has two setscrews (8) do step 5 and
GO TO FRAME 7.
Unscrew and take out setscrew (7) with screwdriver. Take knob (6) off shaft (1).
Set good parts aside for later use. Turn in bad parts.
Unscrew and take out two setscrews (8) with key. Take knob (6) off shaft (1). Set
good parts aside for later use. Turn in bad parts.
TO FRAME 7
Volume IV
4-16
Para. 4-5, Task 6
