Service Manual User guide

Reference Diagrams
Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
4-6
X
X
X X
3175
PSI
FRAME
TILT
TRANSFER
CARRIAGE
TILT
AUX. 1
A
A
A
A
B
B
B
B
2800
PSI
A6
A4
B4
B6
BOOM HOIST
TELESCOPE
TILT CYLINDER
O
L STEER
2ND AUX.
HOIST/TELESCOPE
1ST AUX.
FORK TILT/TRANSFER
JOYSTICK CONTROL VALVES
AA
B
B2
A2
VALVE
C.B.
REAR CARRIAGE
BOOM
A2
ALVE
SELECTOR
MODE
STEER
ROUND
FRONT
OBLIQUE
A4
B4
TRANSFER CYLINDER
BRAKES
REAR
CYLINDERS
STEER
REAR
FRAME TILT
#1
#3
#2
#4
A5
B5
P
T
B5
A5
P
P
T
T
P1#4
P2#2
A1
B1
A6
B6
A2
B2
#1
#3
VIEWED FROM THE TOP
#2
#1
C.B.
VALVE
TILT CYLINDER
REAR CARRIAGE
VALVE
STABILIZER
LOCK VALVE
2800
PSI
P
B2
B
A
B3
A3
2750
PSI
B
PIL
SYS
T
.03
2
150
PSI
UNLOADER
NOTE: HUSCO VALVE ASSEMBLY IS ORIENTATED
SO THAT THE "A" PORTS ARE FRONT
FORWARD OF THE "B" PORTS.
BOOM HOIST CYLINDER
BOOM HOIST CYLINDER
C.B.
Schematic, Model 644B w/Naturally Aspirated Engine, Mid-Inlet Hydraulic System - Diagram 2