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 TM 9-1290-232-34&P
HOUSING ASSEMBLY
TOOLS: 3/16", 1/4" flat tip screwdriver
4 oz ball peen hammer
G r e a s e (item 4, App A)
SUPPLIES:
PERSONNEL:
One
Lubricating
REFERENCES:
JPG
41C
for:
S t a k i n g screws
EQUIPMENT CONDITION: Elevation fire control quadrant on work bench
Procedure
Step
NOTE
D o step 1 only if pin (1) has been removed.
1.
Using punch and hammer, install pin (1).
2.
Place reflector (2) on pin (1) (M13A1, M13A1C and M13B1 only). Using 1/4"
screwdriver, install lockwasher (3) and screw (4) to hold reflector (2) in place.
NOTE
S t o p s (5) must be installed to clear the elevating
w o r m shaft housing (6).
3.
Place two stops (5) in two seats (7). Using 3/16" screwdriver, install two screws (8).
Stake screws (8) (JPG).
4.
Put grease on inside surface of elevating worm shaft housing (6) (JPG).
NOTE
(9)
and
gear
housing
When
putting
worm
elevating worm shaft housing (6) together, be careful
n o t to tilt or turn worm gear housing (9). Shorter area
b e t w e e n stops (5) on worm gear housing (9) must be in
line with worm shaft open area.
5.
Place worm gear housing (9) into elevating worm shaft housing (6).
6.
Place cover (10) on elevating worm shaft housing (6) so that holes are lined up with
holes in worm gear housing (9).
7.
Using 1/4" screwdriver, install three lockwashers (11) and three screws (12) to hold
rover
(10)
in
place.
NOTE
FOLLOW-ON
MAINTENANCE
Install worm shaft (para 4-14).
D o performance test (Vol I, Chap 2).
END
OF
TASK
II-4-30
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