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.
Low Pressure, High Flow
Intake Oil
Pressure port
Safety relief valve
Low pressure
by-pass valve
(closed)
Outlet check
Inlet check
Circular groove in
gear pump feeds all
piston inlet checks
(up to 6 sets)
Gear pump
Intake
Figure 6
Summary of Contents for 76501-02000
Page 1: ...Enerpac PRO Series Pumps PRO115E A...
Page 2: ...Pump AV Tool Operator Guide Original Instruction Enerpac PRO Series Pump Hydraulic Power Unit...
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Page 49: ...6 LEFT BLANK INTENTIONALLY...
Page 58: ...NOTES 15...
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