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 461 of 528
TM 9-2330-356-14
(3) Install packing (4), packing gland (3), and
(2) Inspect all parts for damage and replace any
packing nut (1).
damaged part.
(4) Install hand wheel (2) and nut (6).
e.
Installation.
Install valve (para 4-83).
8-20. Emergency Valve (Fig. 8-26)
a.
Removal.
Remove emergency valve from bottom
of tank sump (para 4-85).
b.
Disassembly.
(1) Remove lever (1) from stem (7) by loosening
nut (3) and screw (2), and pulling lever from shaft.
(2) Unscrew stuffing box nut (4), and remove
O-ring (5) and two packing glands (6) from stuffing box nut
(4).
(3) Pull stem (7) from body (8). Cam (9) will fall
into body. Remove cam.
(4) Loosen set screw (10) and remove adapter
(11).
(5) Loosen three set screws (12) and remove
bonnet (13).
(6) Remove spring (14), then pull stem (15),
along with assembled disc assembly, out through top of
valve.
(7) Remove nut (16), washer (17), retaining plate
(18), plunger disc (19), and disc holder (20) from stem (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.
TA502313
Figure 8-26. Emergency Valve.
d.
Assembly.
(1) Position cam (9) inside the body (8), and
install stem (7) into body.
(2) Install O-ring (5) and two packing glands (6)
into stuffing box nut (4). Install stuffing box nut by sliding
over stem (7), and screw into body.
(3) Install lever (1) onto stem (7), and tighten
screw (2) and nut (3).
(4) Install disc holder (20), plunger disc (19),
retaining plate (18), and washer (17) onto stem (15). Install
and tighten nut (16).
(5) Install assembled stem and disc into top of
body. Install spring (14).
(6) Install bonnet (13) and secure in place by
tightening three set screws (12).
(1) Clean all metal parts with dry cleaning
(7) Install adapter (11), and tighten set screw (10)
solvent (item 11, Appendix E) and dry thoroughly.
to secure adapter to stem (15).
8-31
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