TM 9-2330-267-14&P
4-55. MANHOLE COVER MAINTENANCE (STAINLESS STEEL TANK).
This Task Covers:
a.
Removal
c.
Assembly
b. Disassembly
d. Installation
Initial Setup:
Materials/Parts:
Tools/Test Equipment:
l One cotter pin
l General mechanic’s
c Five self-locking nuts
l Eight Iockwashers
tool kit
a.
REMOVAL
1.
Lift and remove two latches (13) from holes in bracket (4).
2.
Remove four screws (22), Iockwashers (21), spacers (18), and hinge assembly (19) from tank assembly (17).
Discard Iockwashers.
3.
Remove four screws (10), Iockwashers (11), spacers (15), and hinge plate (12) from tank assembly (17).
Discard Iockwashers.
b .
DISASSEMBLY
1.
Remove four screws (14), self-locking nuts (16), and two latches (13) from hinge plate (12). Discard self-locking
nuts.
2.
Remove cotter pin (6), straight pin (5), and bracket (4) from manhole cover (9). Discard cotter pin
3.
Remove self-locking nut (1), washer (2), spring (3), spacer (20), hook bolt (7), and hinge assembly (19) from
bracket (4). Discard self-locking nut.
4.
Remove vacuum valve (8) from manhole cover (9).
5.
Remove eighteen screws (25), flatwashers (24),
and gasket (23) from manhole cover (9). Replace
gasket if damaged.
c.
ASSEMBLY
1.
Position gasket (23) on manhole cover (9) and
install eighteen flatwashers (24) and screws (25).
TA507064
4-104
