TM 5-3805-281-24-1
Theory of Operation
PROPORTIONAL SOLENOID VALVE OPERATION
A SOLENOID
VALVE MANIFOLD
POWER E
BOOST
I
PROPEL
SPEED D
CHANGE
L
SPEED C
B ARM
J
SENSING
REGENERATIVE
F
F SPOOL
M
K
ADJUSTING
SCREW
9025
J
L
05
M
28
G DE-ENERGIZED
I
I SOLENOID
L
H PRESSURE EQUALS
J
MAGNETIC FORCE
F
M
K
L
O PILOT OIL
TO VALVE
FUNCTION
J
P REDUCED PILOT
M FROM PILOT
OIL
TO
SHUT-OFF VALVE
HYDRAULIC
Q RETURN OIL
OIL TANK
N ENERGIZED
T115181
R PROPORTIONAL SOLENOID VALVE
Continued on next page
CED,TX08227,3114
1901MAY981/2
