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 279 of 528
TM 9-2330-356-14
WARNING
Dry cleaning solvent P-D-680 is toxic and
ftammable. 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.
(2)
Cleaning and Inspection.
Clean with dry
cleaning solvent (item 11, Appendix E). Inspect gaskets
and valves.
(3)
lnstallation.
Install valves and new gaskets
and attach with bolts, washers, and nuts, or split couplings
(para 4-85). Tighten coupling nuts to 95-105 lb.-ft.
Tighten valve mounting bolts to 25-35 lb.-ft.
c .
Butterfly Valve (fig. 4-130).
(1)
Removal.
Remove sixteen nuts, sixteen
washers, and eight studes. Remove valve.
TA502363
Figure 4-130. Typical Butterfly Valve.
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.
(2)
Cleaning and Inspection.
Clean with
cleaning solvent (item 11, Appendix E). Inspect sealing
surfaces of valve for physical damage.
(3)
Installation.
Install valve and attach with
sixteen washers, sixteen nuts, and eight studs. Tighten
nuts securely.
d.
Angle Valve and Check Valve (M969, M969A1,
M970, and M970A1) (Fig. 4-131).
(1)
Removal.
(a)
Remove coupling at rear of check valve.
(b)
Remove four capscrews, washers, and
nuts from bottom of angle valve.
TA502364
Figure 4-131. Angle Valve and Check Valve (M969,
M969A1, M970, and M970A1).
4-143
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