TM 9-2330-356-14
(2) Install hand wheel (2) and nut (6). Tighten
nut.
e.
a.
Disassembly.
b.
(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).
TA502309
(6) Remove bearing (16) from bottom stem (12).
Figure 8-16. Gate Valve.
(7) Remove disc (14) and sleeve (15).
c.
Cleaning and Inspection.
c.
Cleaning and Inspection.
WARNING
WARNING
Dry cleaning solvent P-D-680 is toxic and
Dry cleaning solvent P-D-680 is toxic and
flammable. Always wear protective goggles
flammable. Always wear protective goggles
and gloves, and use only in a well-ventilated
and gloves, and use only in a well-ventilated
area. Avoid contact with skin, eyes, and
area. Avoid contact with skin, eyes, and
clothes, and DO NOT breathe vapors. DO
clothes, and DO NOT breathe vapors. DO
NOT use near open flame or excessive heat.
NOT use near open flame or excessive heat.
The solvent's flash point is 100F-138F
The solvent's flash point is 100F-138F
(38C-59C). If you become dizzy while
(38C-59C). If you become dizzy while
using cleaning solvent, immediately get fresh
using cleaning solvent, immediately get fresh
air and medical help. If solvent contacts eyes,
air and medical help. If solvent contacts eyes,
immediately wash your eyes with water and
immediately wash your eyes with water and
get medical aid.
get medical aid.
(1) Clean all metal parts in dry cleaning solvent
(1) Clean all metal parts with dry cleaning
(item 11, Appendix E).
solvent (item 11, Appendix E).
(2) Inspect for cracks, scoring, and pitting.
(2) Inspect for cracks. If valve is removed from
the semitrailer, check sealing surfaces for pitting or
(3) Replace any damaged part.
scoring. If any damage is noticed, replace valve.
d.
Assembly.
d. Assembly.
(1) Install bearing (16) on bottom stem (12).
(1) Install new packing (3). Install packing gland
(2) Replace sleeve (15) and disc (14).
(4) and packing nut (1). Tighten nut two full turns.
