TM 5-3805-281-24-1
PROPEL PRESSURE SWITCH
FROM SOLENOID
FROM POWER BOOST SOLENOID VALVE
MANIFOLD PH PORT
TO SWING MOTOR
PARK BRAKE RELEASE
VALVE
TO SWING MOTOR
MAKE-UP PORT
LEFT
FROM PILOT PRESSURE
PUMP
REGULATING VALVE
TO REAR PUMP
SYSTEM
CONTROL
REGULATOR
VALVE
RELIEF
REVERSE
FROM FRONT PUMP
VALVE
LEFT
RIGHT
TO LEFT
PROPEL
FORWARD
PROPEL
PROPEL
TUNING CIRCUIT
12
11
MOTOR
10
9
FLOW
PROPEL
FORWARD
Z
COMBINER
FLOW
P
A
FROM PILOT
P3
P3
VALVE
TO RIGHT
CONTROL
REVERSE
SHUT OFF
VALVE
PROPEL MOTOR
P2
P2
T
B
B
B
VALVE
A
TO REAR
AUXILIARY
TO SOLENOID VALVE
PUMP CONTROL
MANIFOLD DE PORT
7
8
FITTING
BUCKET FLOW
AT RESERVOIR
P1
P1
CONTROL VALVE
BUCKET
AND PILOT
BUCKET
VALVE B
CYLINDER
CIRCUIT RELIEF
A
C
C
A
AND ANTICAVITATION
VALVE
P1
T
T
P1
DRAIN
2
1
BOOM II
BOOM I
BOOM
REDUCED
ARM
TO SOLENOID VALVE
LEAKAGE
ARM ROD END
CYLINDER
MANIFOLD DD PORT
REDUCED
VALVE
LEAKAGE
RELEASE
ARM REGENERATIVE VALVE
VALVE
3A
VALVE
FROM ARM REGENERATIVE
3
SOLENOID VALVE
TO SOLENOID VALVE
TO SOLENOID VALVE
ARM I
ARM II
MANIFOLD DH PORT
MANIFOLD DG PORT
4
BUCKET FLOW CONTROL
PILOT VALVE A
BYPASS
ARM HEAD END
SHUT-OFF
A
REDUCED
VALVE
LEAKAGE
LEFT
SUPPLY OIL
D
VALVE
RIGHT
PILOT OIL
TO SWING
E
SWING
RIGHT
OIL COOLER
PUMP
MOTOR
TRAPPED OIL
A PILOT VALVE
F
BYPASS VALVE
CONTROL
RESTRICTION
VALVE
5
RETURN OR
B SHUTTLE VALVE
G
VALVE
PRESSURE FREE OIL
6
C PRESSURE RELIEF VALVE
TO FRONT
H
REDUCED PILOT OIL
OIL COOLER
PUMP
FROM REAR PUMP
REGULATOR
T121177
FROM SOLENOID VALVE MANIFOLD PE PORT
CONTROL VALVE SCHEMATIC
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