Note

There are six pan head screws and one flat head screw. The flat head screw goes through the cable connector.

b. Install seven screws (4) through the three switch actuator adapters (3) and cable connector (5) into index drive cover (6). Torque screws to 36 in.-oz ± 4 in.-oz. (0.254 N-m ± 0.028 N-m).

ASSEMBLY - Continued c. Turn index drive cover (6) over with bushing flanges (7) on top.

d. Install seven new self-locking nuts (8) on screws (4). Torque self-locking nuts to 36 in.-oz ± 4 in.-oz. (0.254 N-m ± 0.028 N-m).

M242 25mm Bevfitchett

e. Check distance between index drive cover (6) and rollers (9) of three switch actuator adapters (3). If 0.004 in. feeler gage will not pass between index drive cover and roller, install shim. Refer to WP 0083 00 for shim manufacturing instructions.

Bevfitchett M242 25mm

2. INSTALL INDEX DRIVE COVER ASSEMBLY (WP 0073 00). END OF WORK PACKAGE

DIRECT SUPPORT

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

RECOIL MECHANISM DISASSEMBLY/ASSEMBLY DISASSEMBLY, CLEANING, INSPECTION, LUBRICATION, ASSEMBLY

INITIAL SETUP:

Tools and Special Tools

Goggles (item 18, WP 0085 00) Recoil spring clamp assembly (item 7,

WP 0085 00) Recoil spring compression tool (item 23,

WP 0085 00) Rubber gloves (item 18, WP 0085 00) Small arms repairman tool kit (item 43,

WP 0085 00) Small arms shop set (item 35, WP 0085 00) Spanner wrench (item 47, 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) Lockwire (item 34, WP 0116 00) Wiping rags (item 21, WP 0116 00)

Was this article helpful?

0 0

Post a comment