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 453 of 528
TM 9-2330-356-14
TA502310
Figure 8-17. Butterfly Valve.
(3) Replace bottom stem (12) and O-ring (13).
NOTE
Ensure that bottom stem (12) mates up with
disc (14).
(4) Replace spring pin (11).
NOTE
Ensure that top stem (7) mates up with disc
(14).
(5) Replace top stem (7), split bearing (8), and
packings (9).
(6) Install seal (10) and stop plate (6) with two
socket head screws (5).
(7) Position handle (3) on top stem (7), alining
holes for installation of top pin (2) and cotter pin (1).
Ensure that clip (4) is in position.
e.
Installation.
Install valve (para 4-85).
8-14. Check Valve (M967, M967A1, M969, and
M969A1) (Fig. 8-18)
a.
Removal.
Remove valve (para 4-85).
b.
Disassembly.
(1) Secure valve.
(2) Remove retaining ring (l), cap (2), and O-ring
(3).
(3) Remove the two plugs (4) and pin (5) from
body (6).
(4) Lift disc assembly (7) out of valve body.
(5) Secure lever (8) and remove retaining ring
(10), washer (9), disc (11), packing (12), and bushing (13).
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 a dry cleaning
solvent (item 11, Appendix E).
(2) Inspect for cracks, pitting, and scoring.
8-23
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