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 455 of 528

TM 9-2330-356-14

(4) Replace hand wheel (2) and nut (6) onto stem

(9).

e .

Installation.

Install valve (para 4-85).

TA113222

Figure 8-19. Angle Valve (M969, M969A1, M970,

and M970A1).

8-16. Pump Bypass Valve (M970 and M970A1)

(Fig. 8-20)

a.

Removal.

Remove valve (para 4-85).

b.

Disassembly.

(1) Secure valve.

(2) Remove cover (1), gasket (2), spring (3), and

plunger (4). Remove insert (5).

TA113223

Figure 8-20. Pump Bypass Valve (M970 and M970A1).

c.

Cleaning and Inspection.

WARNING

Dry cleaning solvent P-D-680 is toxic and

flammable. Always wear protective goggles

and gloves, and use only in a well-ventilated

area. Avoid contact with skin, eyes, and

clothes, and DO NOT breathe vapors. DO

NOT use near open flame or excessive heat.

The solvent’s flash point is 100°F-138°F

(38°C-59°C). If you become dizzy while

using cleaning solvent, immediately get fresh

air and medical help. If solvent contacts eyes,

immediately wash your eyes with water and

get medical aid.

(1) Clean all metal parts in dry cleaning solvent

(item 11, Appendix E).

(2) Inspect valve for cracks. Check insert (5) and

plunger (4) for scoring and pitting.

(3) Replace any damaged parts.

d. Assembly.

(1) Install insert (5). Install plunger (4), spring

(3), gasket (2), and cover (1).

e.

Installation.

Install valve (para 4-85).

8-25