TM 5-3805-280-24-1
Theory of Operation
FLOW REGULATOR VALVE OPERATION
VALVE FOR B
C BOOM UP
BOOM UP
PRESSURE SWITCH
FROM PILOT
CONTROLLER A
ARM IN
PRESSURE H
SENSOR
D TO PILOT CAP
VALVE G
FOR
ARM IN
E CHECK VALVE
F FROM PILOT SHUT-OFF VALVE
I
I
A
A
D
D
9025
K
K
05
J
J
12
L
L
E
E
M BOOM UP OR
N BOOM DOWN
OR ARM IN
ARM OUT
C
C
SPOOL J
TO
PILOT
K ORIFICE
CAP
PLATE
D
O WARM-UP
FROM A
OIL
PILOT
PASSAGE
CONTROLLER
E CHECK
VALVE
P PILOT OIL
Q RETURN OIL
T104746
R FLOW REGULATOR VALVE
Continued on next page
TX,9025,GG2290
1929MAY981/2
6-11
