Issued May 2020
Pumps
Copyright 2020, Heil Environmental
Printed in the U.S.A.
Pumps
39
TANDEM O.I.G.A.I. PUMP
Front Loaders, Rear Loaders, Recycle 2000, and Liberty
Figure 7. Tandem O.I.G.A.I. Pump
Figure 8.
This is the Hydraulic Controls Operate-In-Gear-At-Idle
(OIGAI) System. The pump section (pump 1) closest
to the input shaft operates the lift and shuts off first.
The pump section (pump 2) farthest from the input
shaft operates the packer and stays on at higher
RPMs.
Summary of Contents for HEIL LIBERTY TP1L-SM-0520
Page 6: ...NOTES Issued May 2020 Copyright 2020 Heil Environmental Printed in the U S A ...
Page 48: ...42 NOTES Issued May 2020 Lift Arm Copyright 2020 Heil Environmental Printed in the U S A ...
Page 110: ...104 NOTES Issued May 2020 Schematics Copyright 2020 Heil Environmental Printed in the U S A ...
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Page 115: ...2 15 2018 Rev A2 ...
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Page 132: ...126 NOTES Issued May 2020 Schematics Copyright 2020 Heil Environmental Printed in the U S A ...