Yes

M242 Service Manual

Continue turning hand

Adjust S2 switch

crank until camplate

actuator as required

notch is centered on the

(WP 0073 00). Repair

last switch actuator

NO ^

index drive cover

roller. Use multimeter to

w

assembly by replacing

measure resistance

cable assembly if closed

between pins P6-A & P6-

circuit resistance is

D (switch S2). Is

greater than 0.5 ohms

resistance less than 0.5

(WP 0078 00).

ohms?

YES

While monitoring the resistance between pins P6-A & P6-D, have a helper rotate hand crank in the FIRE direction. Does the resistance between pins P6-A & P6-D increase to infinity (open circuit condition) as the switch actuator roller moves out of the camplate notch?

Rotate hand crank in FIRE direction until feeder drive assembly is in SEAR position. Feeder drive assembly manual cycle and electrical check complete._

1

YES

Install access cover with two capscrews.

1

Adjust S2 switch actuator as required (WP 0073 00). Repair index drive cover assembly by replacing cable assembly if short circuit condition exists (WP 0078 00).

SWITCH ACTUATOR ROLLER

Index Drive
CAPSCREW

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