TM 9-2330-356-14
(d) Remove emergency valve, pipe, adapter,
(2) Removal. Remove two nuts and bolts from
and gasket from tank sump.
both couplings and remove couplings. Slide gaskets back
and remove valve. Unscrew the two nipples.
(e) R e m o v e c o u p l i n g g a s k e t f r o m
emergency valve.
(2) 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.
(a) Clean valve with dry cleaning solvent
TA099870
(b) Replace gaskets. Inspect valve for
cracks, distortion, and wear.
WARNING
(3) Installation.
(a) Slide coupling gasket onto emergency
Dry cleaning solvent P-D-680 is toxic and
valve.
flammable. Always wear protective goggles
and gloves, and use only in a well-ventilated
area. Avoid contact with skin, eyes, and
NOTE
clothes, and DO NOT breathe vapors. DO
Be sure pipe is engaged with vent.
NOT use near open flame or excessive heat.
The solvent's flash point is 100F-138F
(b) Install valve, pipe, adapter, and gasket to
(38C-59C). If you become dizzy while
tank sump and attach eight nuts. Tighten nuts to
using cleaning solvent, immediately get fresh
50-75 lb.-ft.
air and medical help. If solvent contacts eyes,
immediately wash your eyes with water and
(c) Slide gasket over joint and attach
get medical aid.
(d) Reconnect emergency valve cable to the
(3) Cleaning and Inspection. Clean with dry
emergency valve lever. Tighten the two U-bolt nuts.
Check for proper operation of emergency valve and cable
gaskets, valve seat, and body.
(4) Installation. Screw nipples into valve and
Pump Bypass Valve (M970 and M970A1)
tighten with a pipe wrench. Slide flange coupling gaskets
over nipples. Position valve and slide gaskets over joints
(1) Adjustment. The pump bypass valve is preset
95-105 lb.-ft.
at 45 psi. No further adjustment is necessary.