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 TM 55-1905-223-24-10
o Immediately clean up spills of fuel and oil and any other debris which creates slippery
decks and unsafe working conditions.
o Hydraulic fluid contains chemical compounds that cause irritation or injury to the skin
and eyes. Wear protective clothing, gloves, and eye protection when working in the
vicinity of hydraulic equipment.
WARNING
Electrical compounds contain high voltages that can cause severe injury or death.
Before servicing, adjusting, or replacing electrical or mechanical components, and
disconnect power supply to three control panels and electric motor in the hydraulic power
pack assembly. Tag control panels "Out of Service - Do Not Operate".
DISASSEMBLY
CAUTION
During replace/repair of hydraulic system, all openings shall be capped/plugged to
prevent foreign matter or contamination from entering the system.
a. Drain hydraulic fluid from reservoir (PMCS, Item 6).
b. Disconnect and cap/plug hydraulic lines (19, 22, 23, 24, 30, 31, 33, and 34).
c. Place utility pail under return filter assembly (16) and remove fluid filter element (17) by turning counterclockwise.
d. Disconnect return filter assembly (16) from hydraulic lines and remove.
e. Remove pressure gauge (18) by turning counterclockwise.
f.
Remove cover with gasket (20), disconnect t wo fluid filter elements (21) from suction pipes (19, 22) and remove.
g. Remove temperature sensor (32).
h. Place utility pail under check valve (35), disconnect check valve from piston pump assembly (12) and hydraulic line
(34), and remove check valve (35)
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