Upright SB80 - Table 4-3: Hydraulic Truth Table

SB80 Work Platform - European 4-15
T
ROUBLESHOOTING
Section
4.4
Table 4-3: Hydraulic Truth Table
C
OMPONENT
F
UNCTION
B
OOM
R
AISE
B
OOM
L
OWER
B
OOM
E
XTEND
B
OOM
R
ETRACT
T
URRET
R
OTATE
J
IB
R
AISE
J
IB
L
OWER
P
LATFORM
R
OTATE
P
LATFORM
L
EVEL
A
XLE
E
XTEND
A
XLE
RETRACT
S
TEER
R
IGHT
S
TEER
L
EFT
D
RIVE
F
ORWARD
D
RIVE
R
EVERSE
E
NGINE
S
TART
T
ORQUE
C
AGE
R
OTATE
E
MERGENCY
L
OWERING
BRK1 Swing Brake X
BRK2-3 Drive Brake X X
CB1-2
Counterbalance Valve,
Boom Extend
X
CB3 Counterbalance Valve, Lift X
CB4-5
Counterbalance Valve,
Swing Motor
X
CB6-7
Counterbalance Valve,
Master Cylinder
X
CB8-9
Counterbalance Valve,
Slave Cylinder
X
CB10-11 Counterbalance Valve, Jib X X
CB12-13
Counterbalance Valve,
Axle Extend
X
CB14
Counterbalance Valve,
Axle Extend
X
CB15
Counterbalance Valve,
Axle Extend
X
CB16-17
Counterbalance Valve,
Oscillating Axle (Optional)
CPL Rotary Coupling XXXX X XXX X
CV1 Check Valve, Aux Pump X
CV2-3 Check Valve, Torque X
CV4
Check Valve, Pilot
Operated
X X
CYL1 Lift Cylinder XX
CYL2 Upper Extend Cylinder XX
CYL 3 Lower Extend Cylinder XX
CYL4 Master Cylinder XX
CYL5 Slave Cylinder XX
CYL6 Jib Cylinder X X
CYL7-8 Steering Cylinders XX
CYL9-10 Axle Extend Cylinders X
CYL11-
12
Axle Adjust Cylinders(Opt)
FLC1 Flow Control Valve XX
FLO1 Flow Divider X X
FLO2 Flow Divider XX
FLO3 Flow Divider XX
FLO4 Flow Divider XX
FLT1 Filter, Tank XXXXXXXXXX XX
FLT2-3 Filter, Strainer XXXXXXXXXX
FLT4 Filter, Drive Pump XXXXX