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 TM
9-1290-232-34&P
MICROMETER ASSEMBLY
TOOLS: 3/16" flat tip screwdriver
4 oz ball peen hammer
3/32" drive pin punch
# 0 cross tip screwdriver (Phillips type)
PERSONNEL:
One
EQUIPMENT CONDITION: Elevation fire control quadrant on work bench
FRAME 1
Procedure
Step
Place quadrant index (1) on housing (2) so the scribe marks made during disassembly
1.
are lined up.
2.
Using Phillips screwdriver, install three screws (3).
Place felt washer (4) on end of worm shaft (5).
3.
4.
Place adapter (6) on worm shaft (5) so that scribe marks made during disassembly are
lined up.
5.
Using punch and hammer, install tapered pin (7).
6.
Slip micrometer scale (8) over adapter (6).
Using 3/16" screwdriver, fasten knob (9) to adapter (6) with three lockwashers (10) and
7.
three screws (11).
NOTE
FOLLOW-ON
MAINTENANCE
D o performance test (Vol I, para 2-2).
END
OF
TASK
II-4-14
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