Corrective Action

Step 4. Check for broken or improperly assembled parts of firing mechanism (3).

Evacuate to direct support maintenance if firing mechanism is broken or improperly assembled.

M203 Nomenclature

Step 5. Check for defective cartridge locator spring (4):

a. Using cleaning rod section, push cartridge locator toward muzzle, and then release.

b. Cartridge locator must move forward and back under spring pressure.

c. If cartridge locator does not function, evacuate to direct support maintenance.

M203 Action

ARMY TM 9-1 01 0-221 -23&P AIR FORCE TO 11W3-9-4-2 MARINE CORPS TM 07700A-23&P/2 NAVY SW 370-AE-MMI-010

2-9. TROUBLESHOOTING PROCEDURES (CONT).

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