Technical data

TM 9-1005-319-23&P 0019
0019-7
ALL WEAPONS
8. Inspect ejection port cover and latch assembly for serviceability.
9. Inspect all parts for damage and wear. Replace all defective parts as authorized by WP 0039.
END OF TASK
LUBRICATION
Lubricate upper receiver assembly and rear sight assembly. Apply cleaner, lubricant, and preservative
(CLP) (WP 0045, item 9) to helical springs and ball bearings (three each) and threaded portion of screws
before installation. Lubricate helical springs and ball bearings through their respective drain holes.
END OF TASK
ASSEMBLY
ALL WEAPONS
2 3
1 7
2 4
2 5
1 v s 1 5 7
Figure 7. Installation of Forward Assist Assembly.
WARNING
To avoid injury to eyes, use care when installing spring-loaded parts.
1. Apply CLP (WP 0045, item 9) to helical spring (25) and forward assist assembly (24) and install them
into upper receiver (17).
2. Install spring pin (23) using 3/32 in. drive pin punch and hammer.