Specifications
TM 05539-IN
TROUBLESHOOTING PROCEDURES - CONTINUED 0006 00
0006 00-2
END OF WORK PACKAGE
5. Failure to
Chamber.
1. Check for dirty/defective ammunition. Clean ammunition with dry cloth or replace.
Refer to TM 05539-OR_.
2. Check for dirty chamber. Clean barrel and chamber. Refer to
TM 05539-OR_.
6. Failure to Cock. Check for defective/dirty trigger and sear
assembly.
Clean or repair trigger and sear assembly as
necessary. Refer to WP 0024 00.
7. Failure to Fire. 1. Check for empty magazine. Load magazine. Refer to TM 05539-OR_.
2. Check for weapon on SAFE. Move safety selector lever to FIRE. Refer to
TM 05539-OR_.
3. Check for open bolt or bolt not fully closed. Close bolt fully. Refer to TM 05539-OR_.
4. Check for defective firing pin. Replace firing pin as necessary. Refer to
WP 0014 00.
5. Check for faulty ammunition. Replace ammunition and report lot number.
Refer to TM 05539-OR_.
6. Check for defective bolt assembly. Evacuate to higher level of maintenance.
7. Check for defective firing mechanism. Evacuate to higher level of maintenance.
8. Failure to Extract
(Cartridge Case
Will Not Extract).
1. Check for bent, frozen, or dirty extractor or
bolt assembly.
2. Ruptured or damaged ammunition in
chamber.
Remove, clean and replace extractor or bolt
assembly as necessary. Refer to WP 0013 00.
Remove ammunition or defective case.
9. Failure to Eject
(Cartridge Case
Will Not Eject).
1. Check for defective/dirty ejector, ejector
spring, or bolt assembly.
2. Check for damaged extractor or extractor
spring.
Clean or repair ejector, ejector spring or bolt
assembly as necessary. Refer to WP 0023 00.
Replace damaged extractor or extractor spring
as necessary. Refer to WP 0023 00.
10. Bipod Fails to
Clamp or Lock
Securely.
1. Check for heavy accumulation of foreign
material.
2. Check for locking screw not secure.
Evacuate to higher level of maintenance.
Tighten locking screw as required. Refer to
TM 05539-OR_.
11. Bipod Legs Fail to
Expand.
Check for bent housing. Replace bipod. Refer to TM 05539-OR_.
12. Bipod Legs Fail to
Remain Open.
Check for missing or defective extension
springs.
Replace bipod. Refer to TM 05539-OR_.
Table 1. Organizational and Intermediate Troubleshooting Chart - Continued.
MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION