Upright SL26SL, Service & Parts Manual

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4-4 SL26/30SL Work Platform
T
ROUBLESHOOTING
Section
4.2
4.2 H
YDRAULIC
T
RUTH
T
ABLE
Table 4-2: Hydraulic Truth Table (064148-022)
C
OMPONENT
F
UN
CT
IO
N
R
AI
S
E
P
LA
TF
O
R
M
L
OW
E
R
P
LA
TF
O
R
M
D
RI
V
E
F
O
R
WARD
D
RI
V
E
R
E
VER
S
E
H
IG
H
/L
OW
S
PEE
D
S
TE
E
R
L
EF
T
S
TE
E
R
R
IG
H
T
B
R
AKE
S
A
XL
E
F
LO
A
T
T
IL
T
BR1&2 Brake, Multi-disc X
CV1 Check Valve, Brake X
CV2 Check Valve, Lift X
CV3,4 Check Valve, Axle Float Cylinder X
CV5-8 Check Valves, Tilt Cylinder X
CYL1 Cylinder, Steering X X
CYL2 Cylinder, Lift X
CYL3 Cylinder, Axle Float X
CYL4 Cylinder, Fore/Aft Tilt X
CYL5 Cylinder, Side/Side Tilt X
FD1 Flow Divider, Steering X X
FD2 Flow Divider/Combiner X X X X
FD3 Flow Divider, Tilt X
FL1 Filter X X X X X X X X X X
FL2 Filter, Suction Screen X X X X X X X X X X
MOT1-4 Motor, Drive X X
ORF1 Orifice, Down X
ORF2 Orifice, Cushion Down X
P1 Pump, Hydraulic X X X X X X X X X X
RV1 Relief Valve, Main X X X X X X
RV2 Relief Valve, Steering X X
RV3 Relief Valve, Rear Drive Cross X X
RV4 Relief Valve, Front Drive Cross X X
RV5 Relief Valve, Fore/Aft Tilt X
SV1 Shuttle Valve X X