Service Manual

Multi Pro 5800 Hydraulic SystemPage 5 − 15
Figure 12
Spray Boom Lift Circuit
Working Pressure
Return
Flow
RAISE SPRAY BOOM (LH SHOWN)
C2 C1 C3 C4
S2 S3
S1
GP
BOOM LIFT MANIFOLD
PC1 PC2
OR2 .036”
OR1 .036”
OR3 .036”
OR4 .036”
RETRACT TO
RAISE
RH BOOM
CYLINDER
LH BOOM
CYLINDER
(ENERGIZED)
ENERGIZED)
(DE−ENERGIZED)
PUMP FLOW
RETURN TO FILTER AND RESERVOIR
T
(UPPER COIL
LOWER SPRAY BOOM (LH SHOWN)
C2 C1 C3 C4
S2 S3
S1
GP
BOOM LIFT MANIFOLD
PC1 PC2
OR2 .036”
OR1 .036”
OR3 .036”
OR4 .036”
RETRACT TO
RAISE
RH BOOM
CYLINDER
LH BOOM
CYLINDER
(ENERGIZED)
ENERGIZED)
(DE−ENERGIZED)
PUMP FLOW
RETURN TO FILTER AND RESERVOIR
T
(LOWER COIL
3:1 PILOT
RATIO
3:1 PILOT
RATIO