TM 5-2350-262-20-3
NO. 1 RIGHT
ACTUATOR
RIGHT-HAND CORNER
ACTUATORS SHOWN
ACTUATOR INTERNAL LEAKAGE TEST
WARNING
Do not work under vehicle unless hull has been properly blocked
or allowed to settle on bump stops. Failure to comply may result
in severe injury or death to personnel.
NOTE
Procedure below is for internal leakage test on No.1 right
actuator. Procedures for No. 4 right, No. 1 left, and No. 4 left
actuators are the same. Ports are in same location on opposite
face. Circuits 2 and 9 are the same.
Have suitable container ready to catch oil.
Stop engine; relieve hydraulic pressure.
Disconnect SPNSN UNIT-9 hose (1) from elbow (2) on port 9 of No. 1 right actuator. Cap
elbow (2).
Disconnect CORNER SPNSN UNIT-2 hose (3) from elbow (4) on port 2 of No. 1 right
actuator. Plug hose (3). Connect hose (1) to elbow (4) on port 2.
Catch oil in a graduated 2 gal. (7.6L) container.
With suspension in SPRUNG mode, start engine and check leakage from ports 7, 7B, and
17.
Stop engine; relieve hydraulic pressure.
Notify Direct Support maintenance.
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