Note

Use helper to hold sear assembly in place on top of vise.

e. Using hammer and 5/16 in. drive pin punch, install headless straight pin (4), beveled side first, through rocker (3) and sear arm (2).

M242 Bolt And Track Assembly

2.

INSTALL

SEAR (WP 0065 00).

3.

INSTALL

COVER ASSEMBLY AND SEAR RETRACTOR ASSEMBLY (WP 0063 00)

4.

INSTALL

STRAIGHT DRIVE SHAFT (WP 0060 00).

5.

INSTALL

BOLT AND TRACK ASSEMBLY (WP 0053 00).

6.

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)

CLUTCH ASSEMBLY AND AUTO GUN RECEIVER GEARS REMOVAL/INSTALLATION REMOVAL, CLEANING, INSPECTION, LUBRICATION, INSTALLATION

INITIAL SETUP:

Tools and Special Tools

Artillery and turret mechanic's tool kit

(item 41, WP 0085 00) Common #2 shop equipment (item 34,

WP 0085 00) Goggles (item 19, WP 0085 00) Mechanical puller (inside) (item 26,

WP 0085 00) Mechanical puller (outside) (item 27,

WP 0085 00) Rubber gloves (item 18, WP 0085 00) Turret mechanic's supplemental tool kit (item 44, WP 0085 00)

Materials/Parts

Acid brush (item 4, WP 0116 00) Dry cleaning solvent (item 27, WP 0116 00) Grease (item 11, WP 0116 00) Penetrating oil (item 17, WP 0116 00) Self-locking nut (12524617-3) Wiping rags (item 21, WP 0116 00)

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