TM 5-3805-280-24-1
Theory of Operation
BOOM CYLINDER CONTROLLED LOAD LOWERING VALVE OPERATION
BOOM CYLINDER
BOOM CYLINDER
P2
P2
P2
P2
D
D
B
A
B
A
C
C
T2
T2
P1
P1
P1
P1
T1
T1
DRAIN
9025
UP
DOWN
05
86
PILOT
UP
DOWN
E SUPPLY OIL
A PILOT VALVE
B METERING VALVE
F TRAPPED OIL
C CIRCUIT RELIEF VALVE
G RETURN OIL
D POPPET VALVE
H PILOT OIL
BOOM CYLINDER CONTROLLED LOAD LOWERING VALVE
I
T120994
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