Circuit Diagrams; Chapter Overview; Hydraulic Charge Circuit - Terex ASV SR70 Service & Repair Manual

3. Circuit Diagrams

Chapter Overview

Hydraulic Charge Circuit

This chapter contains diagrams for the following SR-
70/80 circuits: hydraulic charge circuit, hydraulic auxil-
iary circuit, hydraulic drive circuit, loader valve,
hydraulic pilot generation (solenoid) block and electri-
cal attachment outlet. It also contains hose routing
information for the control configurations for the drive
and lift arm pilot controls.
Figure 3-1 SR-70/80 Hydraulic Charge Circuit
OIL COOLER
CHECK VALVE
CHECK VALVE
(15 PSI)
(0 PSI)
TO HYD Q/A (OPTIONAL SR-70)
CHARGE PRESSURE
RELIEF VALVE
(475 +/- 30 PSI)
CHARGE PRESSURE
TANK
TEST PORT
FLOW
(475 +/- 30 PSI)
CHARGE PUMP
TANK
TANK
PILOT GEN BLOCK
INLET
5 MICRON FILTER
3-1
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