Figure 4-9. Caging arm switch adjustment.

TM 5-6675-250-34

(5) When the caging arm switch is actuated the

(2) Connect the GRU to the ECU and actuate

pendulum shall be automatically caged, due to

t h e caging mechanism in the BIAS mode.

r e m o v a l of power to the caging solenoid.

(3) Loosen the caging arm switch mounting

screws.

( 6 ) When correct adjustment is made, tighten

t h e switch mounting screws.

(4) The caging arm switch should be adjusted so

that it is actuated when the guide pin is in ap-

( 7 ) Install the outer shield (para 4-4d).

p r o x i m a t e l y the center of travel in the guide slot

w h e n uncaging the pendulum.

Figure 4-9. Caging arm switch adjustment.

p r i m e r to the screw threads and allow to air dry.

4-15. Uncaged Indicator Light (fig. 4-8)

A p p l y locking sealant, MIL-S-46163, Grade N, Type

a. Removal.

II, to the first few threads of the screws.

( 1 ) Remove the cage-uncage knob and housing

( 6 ) Position the cover and attach with screws.

c o v e r per (para 4-6).

(7) Install the setscrews partially into the knob.

(2) Unsolder and disconnect the lamp lead wires

Place the knob onto the switch shaft, allowing

f r o m terminal points E17 and E18.

sufficient space between the knob and GRU housing

(3) Remove the indicator light mounting nut

t o prevent binding. Tighten the two setscrews.

a n d remove the indicator light from the bracket.

b. Installation.

4-16. Upper Housing Seals

(1) Install the replacement indicator into the

a. R e m o v a l .

bracket.

( 1 ) Remove cage-uncage knob (para 4-6).

( 2 ) Prepare the mounting nut (para 2-10a).

(2) Remove the applicable cover over the

(3) Attach the indicator light to the bracket with

defective seal.

t h e mounting nut.

(3) Remove the defective seal and its adhesive.

( 4 ) Connect and solder the lamp lead wires to

CAUTION

terminals E17 and E18.

Take care not to damage the finish on the

(5) Apply MIL-S-22473, Grade N, Form R

housing.

Change 1,

4-15