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 452 of 528
TM 9-2330-356-14
TA502309
Figure 8-16. Gate Valve.
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 with dry cleaning
solvent (item 11, Appendix E).
(2) Inspect for cracks. If valve is removed from
the semitrailer, check sealing surfaces for pitting or
scoring. If any damage is noticed, replace valve.
d. Assembly.
(1) Install new packing (3). Install packing gland
(4) and packing nut (1). Tighten nut two full turns.
(2) Install hand wheel (2) and nut (6). Tighten
nut.
e.
Installation.
Install valve (para 4-85).
8-13. Butterfly Valve (Fig. 8-17)
a.
Removal.
Remove valve (para 4-85).
b.
Disassembly.
(1) Secure valve.
(2) Remove cotter pin (1) from top pin (2).
Remove top pin and handle (3). Clip (4) may remain in
handle.
(3) Remove two socket head screws (5) and stop
plate (6).
(4) Remove top stem (7), split bearing (8), two
packings (9), and seal (10).
(5) Remove spring pin (11). Remove bottom stem
(12) and O-ring (13).
(6) Remove bearing (16) from bottom stem (12).
(7) Remove disc (14) and sleeve (15).
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 for cracks, scoring, and pitting.
(3) Replace any damaged part.
d.
Assembly.
(1) Install bearing (16) on bottom stem (12).
(2) Replace sleeve (15) and disc (14).
8-22
Back to Top
