TOOLS: 3/16", 1/4" flat tip screwdriver
P a r a l l e l action jaw pliers
EQUIPMENT CONDITION: Elevation fire control quadrant on work bench
PRELIMINARY PROCEDURES: Remove worm shaft assembly (para 4-13)
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.
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).
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 1/4" screwdriver, remove screw (9), lockwasher (10) and reflector (11). (M13A1,
M13A1C and M13B1 only.)
D o step 6 only if pin (12) is damaged.
Using parallel action jaw pliers, remove pin (12).