TM-9-2330-356-14

SEMITRAILER, TANK: 5000 GALLON, BULK HAUL, SELF LOAD/UNLOAD M967 AND M967A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, AUTOMOTIVE M969 AND M969A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, UNDER/OVERWING AIRCRAFT M970 AND M970A1

TECHNICAL MANUAL; OPERATOR’S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL

OCTOBER 1990

TM-9-2330-356-14 - Page 457 of 528

TM 9-2330-356-14

TA113225

Figure 8-22. Filter/SeparatorDrainValve

(M969, M969A1, M970, and M970A1).

b.

Diaphragm Valve.

(1)

Removal.

(a)

Disconnect the two lines (fig.8-22) from

the diaphragm valve.

(b)

Unscrew the diaphragm valve from the

nipple at the separator valve.

(2)

Disassembly (Fig. 8-23).

(a)

Remove eight screws (1, fig. 8-23) and

remove cover (2).

CAUTION

Use caution when removing bottom cover

(3). Bottom cover is spring loaded.

(b)

Unscrew bottom cover (3) from

diaphragm valve. Remove cover (3), O-ring (4), and spring

(5).

(c)

Remove nut (6) from top of diaphragm

(7). Remove two washers (8 and 9), O-ring (10), and

diaphragm

(7).

(d)

Remove stem (11) with items (13 and 17)

attached, through bottom of valve body.

(e)

Remove nut (13), retainer (14), O-ring

(15), O-ring (16), and washer (17).

(f)

Unscrew bearing retainer (18) and

remove O-rings (19 and 20).

(g)

Remove seat (12) from body (21).

8-27