Section 6. Housing

TM 9-1290-232-34&P

Section

HOUSING

MAINTENANCE

PROCEDURES

INDEX

4-15.

Reference

(para)

Task

4-16

Disassembly

4-17

Assembly

HOUSING DISASSEMBLY

4-16.

TOOLS: 3/16", 1/4" flat tip screwdriver

P a r a l l e l action jaw pliers

PERSONNEL:

One

EQUIPMENT CONDITION: Elevation fire control quadrant on work bench

PRELIMINARY PROCEDURES: Remove worm shaft assembly (para 4-13)

NOTE

The worm gear housing (5) and elevating worm housing

(6) are matched assemblies and should remain a set

t h r o u g h o u t disassembly and assembly.

FRAME

Procedure

Step

Using 1/4" screwdriver, remove three screws (1) and three lockwashers (2).

Hold quadrant (3) in your hand with cover (4) facing work bench. Gently tap quadrant

(3) on work bench until cover (4) separates from quadrant (3).

NOTE

(5)

and

elevating

worm

Worm

gear

housing

h o u s i n g (6) are close fits and must be separated evenly

a n d carefully to prevent binding.

Carefully and evenly take worm gear housing (5) out of elevating worm housing (6).

Using

3/16"

screwdriver,

remove

two

screws

(7)

and

two

stops

(8).

Using 1/4" screwdriver, remove screw (9), lockwasher (10) and reflector (11). (M13A1,

M13A1C and M13B1 only.)

NOTE

D o step 6 only if pin (12) is damaged.

Using parallel action jaw pliers, remove pin (12).

END

TASK

II-4-28