Service Manual

10.55
Model 8042, 10042, 10054 Legacy Rev. 10/03
Stabil-TRAK™ System and Boom Interlock System
IN
T
T
ATTA CH
TILT
P
FRAME
SWAY
EXT/RET
LFT/LWR
AUX
BOOM LOCKOUT VALVE
C1
V1
T
OUTRIGGER
CYLINDER
B2
A2
A1 B1
OUTRIGGER
VALVE
R.H.
L.H.
P
T
LS
Pressure
Suction
Return
Load Sense
SOLENOID COIL
STATE
ENERGIZED
DE-ENERGIZED
DE
E
E
HYDRAULIC
OIL COOLER
HYDRAULIC
RESERVOIR
PUMP
MAIN CONTROL
VALVE
BYPASS
CHECK
VALVE
BYPASS
CHECK
VALVE
E
R
E
R
EXTEND/RETRACT CYLINDER
MH3201
1
2
3
4
5