FIRING PIN PROTRUSION TEST.- To complete the firing pin protrusion test, you should perform the following steps in sequence.

1. Place the protrusion gauge over the firing pin.

2. Check the position of the inner center shaft of the gauge. It must be flush or slightly above the gauge outer case, as shown in figure 6-26.

3. If the firing pin fails this test, the drogue gun must be replaced.

FIRING PIN COCKING TEST.- To com-plete the firing pin cocking test, you should perform the following steps in sequence.

1. Place the drogue gun clamp into a vise and position the drogue gun on the clamp. Screw the cocking handle into the base of the drogue gun.

2. Pull the handle until the firing mechanism is fully extended. With the mechanism fully extended, install the firing link into the drogue gun.

3. Release the tension on the cocking handle. If the mechanism is cocked, the firing link will be held firmly in place.

4. Remove the handle and install the hex head plug and washer.

5. Lockwire the firing link to the drogue gun housing by inserting the lockwire through the housing and roll pin, which is attached to the firing link.

NOTE: At this point in the procedure, request QA to inspect the engagement and lockwiring of the sear.

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