Note

Straight headless pin can be installed only one way.

b. Install straight headless pin (3), chamfered end first, into hole in auto gun receiver (2) and through sear catch assembly (1).

M242 Bolt And Track

2. INSTALL COVER ASSEMBLY (WP 0063 00).

3. PERFORM AUTO GUN RECEIVER MANUAL CYCLE CHECK (WP 0008 00).

4. 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)

SEAR ASSEMBLY REMOVAL/INSTALLATION REMOVAL, INSPECTION, LUBRICATION, INSTALLATION

INITIAL SETUP:

Tools and Special Tools

Artillery and turret mechanic's tool kit

(item 41, 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)

References

WP 0008 00

Equipment Conditions

WP 0026 00 Automatic gun feeder removed WP 0053 00 Bolt and track assembly removed WP 0060 00 Straight drive shaft removed WP 0063 00 Cover assembly and sear retractor assembly removed

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