Service Manual

Multi Pro 5800 Hydraulic SystemPage 5 − 39
Steering/Boom Lift Circuit − Steering Control Valve and Steering Cylinder Test
A B
A
B
RH LH
B
A
(UPPER)
(LOWER)
INTERNAL
CHARGE PUMP
CD EF
C2 C1 C3 C4 C2 C1 C3 C4
S4 S5
S2 S3
SH
OR .030”
80 PSI
LC
GP
T
AB
OPTIONAL ULTRA SONIC BOOM MANIFOLD MODEL #41219
S2 S3
S1
GP
A
B
BOOM LIFT MANIFOLD
PC1 PC2
LIFT CYLINDER LIFT CYLINDER
CD EF
OR2 .036”
OR1 .036”
OR3 .036”
OR4 .036”
STEERING CYLINDER
LR STEERING
UNIT
PET
SPRAYER PUMP DRIVE MOTOR
4.3 CID
6.0 CID
PV
CV
OR
.040”
80 PSI
LC
2000 PSI
G
PT
PUMP CONTROL
MANIFOLD
50 PSI
RETURN
FILTER
4.3 GPM
12.1 GPM
1015 PSI
.95 CID
.34 CID
.42 CID
4.5 GPM
50 PSI
CHARGE
FILTER
2.48 CID 2.48 CID
11.96:1 11.96:1
4000 PSI 4000 PSI
250 PSI
.032”
TOW
VALVE
.032” .032”
2.48 CID
31.6 GPM
ENGINE
3100 RPM
BREATHER
SUCTION
STRAINER
OIL
COOLER
TRACTION (PISTON) PUMP
GEAR PUMP
WHEEL
MOTORS
P1 P2
FORWARD
REVERSE
RATED SPEED
Figure 34
CYLINDER FULLY
RETRACTED
STEEL CAP
LOOK FOR
LEAKAGE
STEERING WHEEL
TURNED FOR
RIGHT TURN