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Page Title:
SELF-RECOVERY WINCH (SRW) DOES NOT OPERATE. (Cont) |
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 TM 9-2320-364-34-1
High pressure hydraulics [oil under 3700 psi
S
(25,512 kPa) pressure] operate this
equipment. Refer to truck operator and
maintenance manuals for hydraulic oil
pressure. Never disconnect any hydraulic line
or fitting without first dropping pressure to
zero. Failure to comply may result in injury to
personnel.
Fuel and oil are slippery and can cause falls.
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To avoid injury, wipe up spilled fuel or oil with
rags.
Drycleaning Solvent (P-D-680) is TOXIC and
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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
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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.
NOTE
Use drain pan to catch leaking hydraulic oil.
VISUAL INSPECTION
(1) Remove relief valve from
counterbalance valve.
(2) Remove preformed packings and
backup rings from relief valve.
Discard preformed packings and
backup rings.
(3) Clean releif valve with drycleaning
solvent P-D-680.
(4) Using a non-metallic probe, manually
operate moving parts inside valve.
(a) If valve parts do not operate,
replace valve cartridge
(Para 16-36).
(b) If valve cartridge parts operate,
perform Steps (5) and (6) below
and replace SRW motor
(Para 16-35).
(5) Install preformed packings on relief
valve cartridge.
(6) Install relief valve cartridge in counter-
balance valve.
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