Failure To Eject

Step 1. Failure to eject malfunction is characterized by a spent cartridge case not clearing the ejection port opening and remaining in the mechanism. The spent cartridge case usually exhibits the "crunched" condition similar to the illustration and can be found in the bottom of the receiver assembly.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

7. FAILURE TO EJECT (Cont).

Check for chipped, distorted or rounded tip on Ejector (1), bent, broken or missing Ejector Clip (2) or damaged or missing Ejector Pin (3). (See maintenance instructions of receiver assembly.)

NOTE

Tip of ejector must be well defined to ensure proper ejection. Cleaning rods can easily damage ejector tips when they are used to assure weapons are cleared on the training ranges.

Replace unserviceable or missing parts.

Replace unserviceable or missing parts.

249 Ejector Assembly

Step 2. Insufficient gas pressure. Check for caked carbon in Inlets (4), Outlet (5) of Gas Regulator (6); grooves in Gas Piston (7) of Gas Piston Assembly (8); and Internal Grooves (9) of Gas Cylinder Assembly (10). Clean and lubricate as required.

M249 Ejector

NOTE

DO NOT lubricate Gas Regulator (6), Piston (7) of Piston Assembly (8) and lnside of Gas Cylinder Assembly (10).

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