TM-9-2330-267-14-P

TRAILER, TANK, WATER: 400 GALLON, 1-1/2 TON, 2 WHEEL M149, M149A1 AND M149A2

TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LISTS)

JULY 1991

TM-9-2330-267-14-P - Page 154 of 354

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

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