M16 Maintenance Manual TM9-1005-319-23.pdf - CombatRifle.net

ARMY TM 9-1005 319 23&P
AIR FORCE TO 1 1W3-5-5 42
2-16. UPPER RECEIVER AND BARREL ASSEMBLY, RIFLE BARREL ASSEMBLY, AND
UPPER RECEIVER ASSEMBLY (CONT).
d. REPAIR e. LUBRICATION
1. Replace all authorized unserviceable
parts
2. Evacuate to support maintenance.
Lightly lubricate all Items (p 2 311 (oper
ator’s manual)
f. REASSEMBLY
1. If previously disassembled, position election port cover 11) and helical spring (2) on Lip per receiver (3) with short leg
of helical spring to the rear on Inside of ejection port cover
NOTE
Long legs of helical spring must be positioned and pretensioned before the headless grooved pin is installed
2. Hold helical spring (2) short leg In this position and turn long leg one half turn (180 degrees) with fingers of right hand
3. Position long leg of helical spring (21 against election port cover (1) Hold helical spring and election port cover in this
position and Install headless grooved pin (4) Check for proper spring tension during installation of retaining ring (5)
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