Technical data

TM 9-1005-319-23&P 0005
0005-13
Table 1. Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 4. Inspect for carbon build-up or foreign matter in narrow passage of bolt carrier key (5).
Clean with CLP (WP 0045, item 9) and a worn bore brush.
1 v s 0 2 0
5
Figure 18. Bolt Carrier Key Inspection.
Step 5. Inspect for broken or bent gas tube (8).
Adjust by bending in area of handguards or replace gas tube (WP 0015).
Step 6. Determine if gas tube spring pin (37) is missing from front sight (36).
Replace gas tube spring pin (WP 0015).
Step 7. Inspect for partially plugged gas system because of carbon build-up in gas tube (8).
Replace gas tube (WP 0015).
1 v s 0 2 1
8
3 6
3 7
Figure 19. Adjustment of Gas Tube.