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TM 9-2320-304-14&P
5-201
Direct Support and General Support Maintenance (Cont)
b. Cleaning/Inspection.
WARNING
·
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 III Drycleaning Solvent is 200_F
(93_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 all components and flush cylinder barrel using drycleaning solvent (P-D-680) only. Do
not use cleaning cloth as any foreign material would contaminate hydraulic system.
(2) Inspect barrel bore for any scratches or corrosion. Replace barrel if rusted. Replace barrel and
piston if either component is scratched.
(3) Inspect rod for bending. Replace if necessary.
(4) Inspect rod for scratches or pitting. Remove minor scratches and pitting by using stone and
lubrication oil. Stone imperfection just enough to smooth raised part.
(5) Inspect component threads for burrs and stripped threads. Replace or repair as necessary.
c. Assembly.
(1) Apply hydraulic oil to backup ring (1),
preformed packing (2), two wear
rings (3), step seal assembly (4), rod
seal (5), and wiper (6).
(2) Install backup ring (1), preformed
packing (2), two wear rings (3), step seal
assembly (preformed packing first, then
step seal) (4), rod seal (5), and wiper (6)
on rod bearing (7).
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