306
All Units
SEPTEMBER 2009 Printed in U.S.A.
COPYRIGHT 2009, Heil Environmental
SINGLE GEAR PUMP WITH POWER PRO DRIVE VALVE (MUNCIE)
This pump set up does not require a
constant flow valve in the OFF mode. The
power pro dry valve system allows pump
cooling and lubrication through the loop
line and back to the tank when the system
is in the off mode. In the ON mode the
loop line is closed to tank and all fluid is
sent to system pressure.
AIR LOGIC
Pump On – Apply air pressure to port #1
and release air pressure from port #2.
Pump Off – Release air pressure from
port #1 and apply air pressure to port #2.
RETURN LINE
TO TANK
PUMP INLET
PRESSURE OUTLET
TO SYSTEM
AIR SHIFT CYLINDER
AIR PRESSURE PORT #2.
SEE AIR LOGIC
LOOP LINE
AIR PRESSURE PORT #1.
SEE AIR LOGIC
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