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Overview
SP 500 / 750-15 / 750-18 / 1000 / 1250 Operation Manual
S1/S2/S3 Control Valve
A. Soft Switch 1/4 Turn Handle
B. Concrete Pump Manual Forward/Reverse Handle
C. Main Pressure Relief
D. Soft Switch Pressure Relief
E. 1/4 Turn Valve (Shut-o Valve)
F. S1 Spool (Internal)
G. S2 Spool (Internal)
H. S3 Spool (Internal)
I. MPS Valve
J. Agitator Dump Valve
A
C
D
G
I
F
G
H
J
Accumulator / Accumulator Manifold
A. Pressure Relief Valve
B. Manual Bleed O Valve
C. Accumulator
C
B
A
Waterbox
A. Cover
B. Safety Guard
C. Drain
A
B
C
Hydraulic Tank
A. Hydraulic Oil Level / Temperature Gauge
B. Drain
C. Cleanout Cover
D. Breather
E. E-Stop Manifold
F. Main System Filter
G. Agitator Relief Valve
C
A
B
E
D
G
F