Caution

Do not drop lockwire pieces into gun. Wire can get between moving parts and damage gun.

4. INSTALL FEEDER HANDLE.

a. Place slotted side of feeder handle (12) on bushing-cam assembly (8).

b. Install flat washer (13) on capscrew (14) and install capscrew (14) in bushing-cam assembly (8). Torque capscrew (14) to 80 in.-lb ± 5 in.-lb (9.04 N-m ± 0.57 N-m).

c. Press feeder handle latch (1) and rotate feeder handle (12) up, aligning hole (15) in feeder handle (12) with bushing-bracket assembly (11) at the same time.

M83248 902

ASSEMBLY - Continued d. Install flat washer (16) on capscrew (17) and install capscrew (17) in bushing-bracket assembly (11). Torque capscrew (17) to 80 in.-lb ± 5 in.-lb (9.04 N-m ± 0.57 N-m).

e. Install lockwire to right side bushing cam assembly capscrew (14).

M242 25mm Bevfitchett

5. INSTALL ELECTRICAL CONNECTOR.

a. Insert electrical connector (18) into bushing-bracket (11) with pin side of connector facing inward.

b. Install guide pins (19) through connector (18) and bushing-bracket assembly (11).

c. Hold guide pins (19) and install two sleeve spacers (20) and two new self-locking nuts (21).

6. CHECK OPERATION OF FEEDER HANDLE.

a. Press feeder handle latch (1). Rotate feeder handle (12) 1/2 in. (12.7 mm) and release feeder handle latch (1).

b. Continue to rotate feeder handle (12) until feeder handle latch (1) locks handle.

c. Repeat steps a and b in the opposite direction.

Latch Bracket M242

7. 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)

RECOIL MECHANISM REMOVAL/INSTALLATION REMOVAL, CLEANING, INSPECTION, SERVICING, LUBRICATION, INSTALLATION

INITIAL SETUP:

Tools and Special Tools

Artillery and turret mechanic's tool kit

(item 41, WP 0085 00) Damper rod tool (item 10, WP 0085 00) Damper rod tool (item 11, WP 0085 00) Goggles (item 19, WP 0085 00) Rubber gloves (item 18, WP 0085 00) Turret mechanic's supplemental tool kit

(item 44, WP 0085 00) Vise (item 45, WP 0085 00) Vise jaw caps (item 5, WP 0085 00) 32 mm combination wrench (item 46,

WP 0085 00) 32 mm crowfoot wrench (item 9, WP 0085 00)

Materials/Parts

Acid brush (item 4, WP 0116 00) Cotter pin (MS24665-283) Damper fluid (item 10, WP 0116 00) Dry cleaning solvent (item 27, WP 0116 00)

Materials/Parts - Continued

Grease (item 11, WP 0116 00) Lock pin (2) (item 18, WP 0116 00) Lockwire (item 34, WP 0116 00) Preformed packing (M83248/1-902) Preformed packing (NAS1611-326) Welding rod (item 22, WP 0116 00) Wiping rags (item 21, WP 0116 00)

References

WP 0008 00 WP 0083 00

Equipment Conditions

WP 0026 00 Automatic gun feeder removed

Special Environmental Conditions

Well-ventilated area required when using dry cleaning solvent.

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