TM 5-3805-281-24-1
Theory of Operation
SPRING A
PISTON B
ORIFICE AND
CHECK VALVE C
FROM
VALVE
D
MANIFOLD
(PG)
FROM CONTROL
F PARK BRAKE
VALVE DIG
RELEASE
PILOT PRESSURE E
VALVE SPOOL
SIGNAL PASSAGE
PISTON
DIG PILOT
9025
C ORIFICE AND
PRESSURE E
B
05
CHECK VALVE
SIGNAL
82
PASSAGE
PILOT
PUMP
H
ON
D SOLENOID
VALVE
MANIFOLD
G
F
SWING
PARK BRAKE
H
MOTOR
RELEASE
VALVE
VALVE SPOOL
SPOOL
I PILOT OIL
J RETURN OIL
L SWING MOTOR PARK BRAKE APPLIED
T109255
Continued on next page
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