M242 Automatic Parts

Wear eye protection when removing retaining ring. Personnel can be blinded if struck in the eye by retaining ring.

1. INSTALL STRAIGHT DRIVE SHAFT.

a. Insert small end of straight drive shaft (1) in opening (2) in bottom of auto gun receiver (3).

b. Push button (4) in center of straight drive shaft handle (5), and push straight drive shaft (1) in as far as it will go. Release button (4).

c. Pull on straight drive shaft handle (5) to make sure that straight drive shaft (1) is locked in place.

d. Install new retaining ring (6) in groove (7) on straight drive shaft (1).

M242 Reciever Parts

2. INSTALL AUTOMATIC GUN FEEDER (WP 0026 00). END OF WORK PACKAGE

UNIT

M242 25-MM AUTOMATIC GUN (NSN 1005-01-086-1400) M242 25-MM ENHANCED AUTOMATIC GUN (NSN 1005-01-454-0396)

DIRECT CURRENT MOTOR REMOVAL/INSTALLATION REMOVAL, INSPECTION, LUBRICATION, INSTALLATION

INITIAL SETUP:

Tools and Special Tools

Artillery and turret mechanic's tool kit

(item 41, WP 0085 00) Goggles (item 19, WP 0085 00) Mechanical puller (outside) (item 27,

WP 0085 00) Turret mechanic's supplemental tool kit (item 44, WP 0085 00)

Materials/Parts

Acid brush (item 4, WP 0116 00) Grease (item 11, WP 0116 00) Lockwire (item 33, WP 0116 00) Lockwire (item 34, WP 0116 00) O-ring (AS3551-133)

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