MCS ADJUSTMENT TUBE REPLACEMENT (M917A1 W/MCS) (Con't).
Install upper tube (2) to MCS tailgate (1) with screw (4) and new locknut (8).
Position adjustment tube (3) over upper tube (2). Install adjustment tube to MCS gate (7) with screw (5)
and new locknut (6).
Outer right and outer left side adjustment tube locking pins must be installed with
pin heads to outside. If incorrectly installed, end of pins will protrude and become
Install locking pin (9) to adjustment tube (3).
Check operation of MCS adjustment tube (paragraph 2-12)
Install MCS tailgate cover (paragraph 4-53).