Service Manual

Multi Pro 5800Hydraulic System Page 5 − 36
Steering/Boom Lift Circuit − Gear Pump P2 Flow and Circuit Relief Pressure Test
(Using Tester with Flow Meter and Pressure Gauge)
Figure 32
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
EXTEND TO LOWER
BORE: 1.75”
STROKE: 10.06”
ROD: 1.13”
EXTEND TO LOWER
BORE: 1.75”
STROKE: 10.06”
ROD: 1.13”
CD EF
OR2 .036”
OR1 .036”
OR3 .036”
OR4 .036”
STEERING CYLINDER
BORE: 1.50”
STROKE: 8.50”
ROD: 0.63”
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
TESTER WITH
PRESSURE GUAGE
AND FLOW METER