TM 5-3805-280-24-2
Hydraulic System
pump housing whenever oil has
5. Check oil level in hydraulic oil tank. Add oil as
been drained from the pump or
necessary. (See Hydraulic Oil in Group 0004.)
hydraulic oil tank.
IMPORTANT: Hydraulic pump will be damaged if
6. Do the Hydraulic Pump Start-Up Procedure. (See
not filled with oil before starting.
procedure in this group.)
Procedure must be performed to fill
TX,33,UU3808
1921SEP983/3
REMOVE AND INSTALL OIL COOLER
BYPASS VALVE
CAUTION: The hydraulic oil tank is pressurized.
High pressure release of oil from pressurized
system can cause serious burns or penetrating
injury. Release pressure from tank by loosening
vent plug. It is not necessary to remove vent
plug.
1. Loosen vent plug (A) to release air pressure from
hydraulic oil tank.
A--Vent Plug
2. Pull a vacuum in hydraulic oil tank using a vacuum
pump or drain hydraulic oil tank. Approximate oil
capacity is 148 L (39 gal).
CED,OUOE003,1201
1921SEP981/3
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