302
All Units
SEPTEMBER 2009 Printed in U.S.A.
COPYRIGHT 2009, Heil Environmental
COMMERCIAL FRONT MOUNT (HOC) FOR PYTHON – USED ON
EARLIER MODELS
The HOC system is designed to
unload the hydraulic system when
the pump flow exceeds 55 GPM.
Hydraulic system unloading occurs
when the pressure drop across the
flow control orifice reaches 50 PSI.
To restore power to the hydraulic
system, the operator must lower the
engine speed 300 to 400 RPM below
the HOC speed setting.
PUMP
FLOW CONTROL
VALVE (55 GPM)
PACKER SOLENOID
B - VALVE
TO HOSE KIT
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