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TM 9-2320-364-34-3
17-68
17-13. LOAD HANDLING SYSTEM (LHS) HOOK ARM MANIFOLD REPAIR (CONT).
b.
Disassembly.
NOTE
Note location and position of
valves, adapters and plugs prior
to removal.
(1)
Remove two load control valves (1) from
manifold (2).
(2)
Remove two backup rings (3), preformed
packing (4), preformed packing (5), backup
ring (6) and preformed packing (7) from
each load control valve (1). Discard
preformed packings and backup rings.
(3)
Remove two hex head plugs (8), adapters (9)
and solenoid valves (10) from manifold (2).
(4)
Remove two preformed packings (11) from
hex head plugs (8). Discard preformed
packings.
(5)
Remove two preformed packings (12) from
adapters (9). Discard preformed packings.
(6)
Remove two backup rings (13), preformed
packing (14) and preformed packing (15)
from each solenoid valve (10). Discard
backup rings and preformed packing.
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)
Clean manifold and components using drycleaning solvent.
(2)
Inspect for any foreign material in ports and remove as necessary.
(3)
Inspect for cracks, gouges, nicks or stripped threads.
(4)
Replace all damaged parts.
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