Note

All three stepped spacers are the same.

INSPECT STEPPED SPACERS.

Visually inspect stepped spacers for stripped threads, bends, cracks, and chips. If any of these conditions are found, replace stepped spacer(s).

M242 25mm Feed Select Solenoid

INSTALLATION

1. INSTALL LOWER CENTER STEPPED SPACER.

a. Insert lower center stepped spacer (1) into recessed hole in feeder drive assembly (2). Install capscrew (3) until it stops.

b. Torque capscrew (3) to 160 in.-lb ± 10 in.-lb (18.08 N-m ± 1.13 N-m).

M242 25mm Feeder Drive Assembly

2. INSTALL LOWER RIGHT STEPPED SPACER.

a. Position feeder drive assembly (2) on side with electrical solenoid (4) at bottom.

b. Insert lower right stepped spacer (5) into recessed hole in feeder drive assembly (2). Install capscrew (6) until it stops.

c. Torque capscrew (6) to 160 in.-lb ± 10 in.-lb (18.08 N-m ± 1.13 N-m).

Nsn 1005 086 1400

TM 9-1005-200-23&P TM 08672A-23&P

3. INSTALL ROUND POSITIONER ASSEMBLY (WP 0037 00).

4. INSTALL FEEDER ASSEMBLY ROTOR (WP 0036 00).

5. INSTALL FORWARD FEED ASSEMBLY (WP 0034 00).

6. INSTALL EJECTION CHUTE (WP 0032 00).

7. INSTALL FORWARD LINK STRIPPERS (WP 0030 00).

8. INSTALL LINK SHIELD (WP 0029 00).

9. INSTALL LINK BRIDGES FOR STANDARD FEEDER (WP 0027 00) OR INSTALL LINK COVER ASSEMBLIES FOR ENHANCED FEEDER (WP 0028 00).

10. PERFORM AUTOMATIC GUN FEEDER MANUAL CYCLE CHECK (WP 0007 00).

11. 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)

UPPER EJECT GUIDE REMOVAL/INSTALLATION REMOVAL, INSPECTION, INSTALLATION

INITIAL SETUP:

Tools and Special Tools

Common #2 shop equipment (item 34,

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

References

WP 0007 00

Equipment Conditions

WP 0026 00 Automatic gun feeder removed WP 0027 00 Link bridges removed (Standard

Feeder only) WP 0028 00 Link cover assemblies removed

(Enhanced Feeder only) WP 0029 00 Link shield removed WP 0032 00 Ejection chute removed WP 0034 00 Forward feed assembly removed WP 0036 00 Feeder assembly rotor removed

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