Issued June 2020
Operation
Copyright 2020, Heil Environmental
Printed in U.S.A.
85
PREPARING THE UNIT TO CHECK THE
HYDRAULIC OIL LEVEL
Before checking the oil level or adding oil, make sure the oil
is warmed up and the unit is in the following position with all
cylinders collapsed:
Truck – on level ground
Tailgate and Body – fully down and locked
Packer Panel – in the in-transit position with all
cylinders retracted
Lift Arm (if equipped) – is fully retracted
CHECK HYDRAULIC OIL LEVEL
Check the hydraulic oil level (after warming up the oil) daily
or every eight (8) hours, whichever comes first. Fill as
necessary. For more information, see Check Hydraulic Oil
Level .
CYCLE ALL HYDRAULIC FUNCTIONS
Follow These Steps:
1. Operate the lift arm, grabbers, top door (if equipped),
packing panel, body and tailgate functions two or
three times each. See Operation section for
proper operation of controls.
2. Put the unit back in the position described above and
check the oil level again.
3. Add oil if necessary. Refer to the Service Manual for
instructions for filling the oil tank.
Current Heil standard hydraulic oil is Shell Tellus S2 VX
32. Please see product TDS and MSDS for more detail
information about it. We strongly recommend to use it on
Heil products to get best system performance and oil
service life. Refer to Hydraulic Oil Specifications for
other approved hydraulic oils.
Cold weather operation requires special oil considerations.
Viscosity should not exceed 7500 SSU at lowest startup
temperature. Continuous operation should range between
40–1000 SSU for all temperature ranges.
Contamination is a hydraulic system’s worst enemy. DO
NOT let dirt enter the system. Use a clean rag and remove
dirt or other contamination around any system component
before you disconnect or remove it. While you fill the
reservoir, filter the oil through a 200 mesh (or finer)
screen. NEVER use a cloth to filter the oil.
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