Sv1 s2 – Lull 6K Service Manual User Manual
Page 121
Reference Diagrams
Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
4-34
STABILIZER CONTROL VALVE
SOLENOID VALVE ON REAR AXLE
A
B
BLACK-14
A
B
C
BLACK-16
WHITE-16
RED-16
OUT
POWER
BLACK
BLUE
IN
POWER
BROWN
GROUND
S1
CLOSED WITH BOOM ANGLE LESS THAN 40°
OPEN WITH BOOM ANGLE GREATER THAN 40°
37115X
SV1
S2
VIOLET-14
TAN-14
SERVICE BRAKE (39505A)
PRESSURE SWITCH
CLOSED ABOVE 250 PSI
OPEN BELOW 250 PSI
OPERATES TRANSMISSION DECLUTCH
AND BRAKE LIGHTS WITH ROADWAY LIGHTING OPTION
(USE 39536A)
WITCH OPEN
TCH CLOSED
ESSURE SWITCH
PSI
SSION DECLUTCH
#7
A
T1
B1
P1
CONTROL VALVE FRAME TILT SECTION
B
B6
A
A6
1
2
PROXIMITY SENSOR
COIL 38329A
(37139A)
LOCK VALVE
STABILIZER
150
PSI
PIL
SYS
2
AND CYLINDER
.030
T
150-3000 PSI
PARK BRAKE CYLINDER
VENT
HYDRAULICALLY RELEASED BRAKE
2.50" BORE x 2.62" STROKE
SPRING APPLIED /
BRAKE
ASE BRAKE
VALVE
BRAKE
VALVE
ACCUMULATOR
PRESSURE
NOTE: VALVE PSI SETTING IS 1000 PSI
ON DRY DISC BRAKE MACHINES
FRAME TILT CYLINDER
C.B. VALVES
HYDRAULIC SCHEMATIC
S2
T
P
A6
B6
FRAME TILT
JOYSTICK
REAR AXLE STABILIZER CONTROL VALVE
B
G1 GAGE PORT
PSI
250
PD2
PSI
110
T2
OR1
SV1
T1
ACC
.043
A
PD1
PS1
.043
OR2
SW
FB
G3
GAGE
PORT
RB
G2
GAGE
.040
OR3
BR
PORT
PIL
460 PSI
PRESSURE
FILTER
PRESSURE
G2
PD1
PS1
PD2
G1
Rear Oscillation Lock System Operation, Mid-Inlet Hysraulic System - Diagram 9