Enerpac Z-CLASS 3 Hoja De Repuestos / Hoja De Instrucciones De Servicio página 8

1.0 FIRST STAGE, LOW PRESSURE - HIGH FLOW
1st stage = low pressure – high flow
• By-pass valve is closed.
• All low-pressure gear pump flow is routed through the high-pressure pistons inlet and outlet checks, (up to six sets) and then
out the pressure port.
Pressure port
Safety relief valve
Low pressure
by-pass valve
(closed)
Low Pressure, High Flow
Intake Oil
Intake
Figure 6
8
Outlet check
Inlet check
Circular groove in
gear pump feeds all
piston inlet checks
(up to 6 sets)
Gear pump