TM 9-4940-568-34
3-159
b.
Disassembly
CAUTION
Do
not
damage
electrical
connector
or
crane
will
not
operate properly.
(1) Position manual override valve (1) in
vise with soft jaws.
NOTE
Tag and mark fittings prior to
disassembly.
(2) Remove tube fitting (2) from manual
override valve (1).
(3) Remove elbow (3) manual override
valve (1).
(4) Remove nut (4) and coil (5) from valve
stem (6).
(5) Remove valve stem (6) from manual
override valve (1).
(6) Remove preformed packings (7) and (8)
and backup ring (9) from valve stem (6).
Discard
preformed
packings
and
backup ring.
c.
Cleaning/Inspection.
Drycleaning Solvent (P-D-680) is
TOXIC and flammable. Wear
protective goggles, face shield,
and gloves; use only in a
well-ventilated area; avoid contact
with skin, eyes, and clothes, and do
not breathe vapors. Keep away
from heat or flame. Never smoke
when using solvent. The flashpoint
for Type II Drycleaning Solvent is
140 degrees F (60 degrees C) and
Type III Drycleaning Solvent is 200
degrees F (93 degrees C). Failure
to do so may result in injury or
death to personnel.
If personnel become dizzy while
using cleaning solvent, immediately
get fresh air and medical help. If
solvent contacts skin or clothes,
flush with cold water. If solvent
contacts eyes, immediately flush
eyes with water and get immediate
medical attention.
(1) Wash parts in drycleaning solvent.
2
3
1
9
8
7
6
5
4
