TM 55-4920-394-13&P
b.
Clean interior of unit, wipe up spilled hydraulic fluid, grease, or similar foreign matter with a clean,
dry, lint-free cloth.
NOTE
If contaminated area is not accessible through access panels and doors
provided in housing, remove housing as described in paragraph 3-29.
c.
For surfaces which cannot be cleaned with a dry, lint-free cloth, use a clean cloth saturated with
trichlorethylene, Federal Specification MIL-T-7003.
CAUTION
Take precautions to prevent trichlorethylene from contacting rubber parts,
as rapid deterioration can result. Do not allow trichlorethylene to enter
switches, electrical motors, or receptacles.
3-24. Removal and Installation Of Fill System Filter Element . (Refer to Fig. 3-13). Remove and install fill
system filter element in accordance with the following instructions:
a.
Relieve system pressure.
b.
Unscrew filter bowl from cap. Remove element and discard if contaminated.
c.
Examine packing between filter bowl and head; replace if defective.
d.
Install new element in the reverse order of removal.
e.
Tighten bowl to torque of 75 inch-pounds (lubricated).
f.
Bleed test stand hydraulic system as described in Chapter 3, Section IV. 3-25. Removal And
Installation Of Low Pressure Filter Elements. (Fig. 3-6). Remove and-install low pressure
filter elements as follows:
a.
Relieve system pressure and drain filter bowl (12, fig. 1-3).
b.
Remove bands securing cap to filter bowl.
c.
Disconnect tube and fitting at Tee of pressure switch to allow coverassembly and check valve, with
hoses, to be placed to one side. This provides clearance to remove filter elements.
d.
Lift filter elements and gaskets from filter bowl. Discard elements if contaminated.
e.
Examine gaskets for deterioration or damage; replace if defective.
3-11
