TM 9-2330-267-14&P
4-55. MANHOLE COVER MAINTENANCE (STAINLESS STEEL TANK) (Con’t).
2.
3.
4.
5.
Install vacuum valve (8) on manhole cover (9).
Position hinge assembly (19) on bracket (4) and install spacer (20), hook bolt (7), spring (3), washer (2), and new
self-locking nut (1) in bracket.
Position bracket (4) on manhole cover (9) and install straight pin (5) and new cotter pin (6).
Position two latches (13) on hinge plate (12) and install four screws (14) and new self-locking nuts (16).
d.
INSTALLATION
1.
Install four spacers (15) in tank assembly (17).
2.
Position hinge plate (12) on tank assembly (17) and install four new Iockwashers (11) and screws (10).
3.
Position four spacers (18) in tank assembly (17).
4.
Position hinge assembly (19) on tank assembly (17) and install four new Iockwashers (21) and screws (22).
5.
Lift and extend two latches (13) then release into holes in bracket (4).
TA507065
4-105
