TM 9-2330-356-14
(3) Replace any damaged part.
M970A1) (Fig. 8-19)
d.
Assembly.
NOTE
It is not necessary to remove valve to repair.
(1) Place packing (12) on disc (11) and assemble
with lever (8). Lock disc in place with washer (9) and
a.
retaining ring (10).
Disassembly.
b.
(2) Push bushing (13) into lever and position disc
assembly (7) into valve body (6). Install pin (5) into body,
(1) Secure valve.
alining it with disc assembly (7). Install the two plugs (4).
(2) Loosen packing nut (1), and turn hand wheel
(2) counterclockwise to force packing (3) and packing
(3) Position O-ring (3) on cover(2) and place into
gland (4) free of bonnet (5).
valve body (6). Secure with retaining ring (1).
(3) Remove nut (6) and hand wheel (2).
e.
(4) Remove packing nut (1), spring (13), packing
gland (4), and packing (3).
(5) Unscrew bonnet (5) from body (7).
(6) Unscrew disc nut (8) from the stem (9).
Remove disc seat (10) from disc holder (11).
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 100F-138F
(38C-59C). 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) Wash all metal parts in dry cleaning solvent
(item 11, Appendix E) and dry thoroughly.
(2) Inspect for cracks and pitting.
d.
Assembly.
(1) Install disc ring (12), disc holder (11), disc seat
(10), and disc nut (8) to stem (9). Tighten disc nut.
(2) Place the assembled stem and disc assembly
inside body (7). Install bonnet (5) and tighten.
TA502311
(3) Install packing (3), packing gland (4), spring
(13), and packing nut (1). Tighten packing nut two full
and M969A1).
turns.
