Issued June 2020
Maintenance
Copyright 2020, Heil Environmental
Printed in U.S.A.
149
DRAIN AND CLEAN THE HYDRAULIC OIL
TANK (CONTINUED)
11.Install the drain plug in the tank bottom.
12.Reconnect and tighten all hose connections that
were disconnected.
Before filling the tank be sure the funnel is clean and 200
mesh (or finer) screen is used to strain the hydraulic oil.
13.Fill tank with recommended oil, checking the sight
gauge as you fill. Refer to Hydraulic Oil
Specifications .
14.Check the entire system to make sure all
connections are tight and no leaks are found.
15.Start the truck’s engine and engage the pump.
WARNING
Moving equipment can be dangerous to bystanders.
Serious injury or death can occur if a person is in the
wrong area or is not attentive to the operations. Clear the
area of all unnecessary people before you operate the
controls.
16.Operate the packing panel through 10 cycles to be
sure all air is out of the circuits.
17.Operate the automated container lift mechanism.
18.Operate tailgate – full up and full down.
19.With the packing panel in the retracted position and
lift in the in-transit position, check tank oil level. If
necessary, add recommended as described under
Check the Hydraulic Oil Level .
PURGE THE HYDRAULIC SYSTEM
If the hydraulic system becomes contaminated because of
component failure or some other reason, you must purge
the hydraulic system.
To purge the system, follow these steps:
1. Extend the packer/ejector cylinder to lower the oil
level in the tank.
2. Remove and replace the in-tank oil filter element in
the tank.
3. Engage the packer/ejector control lever and allow the
oil to circulate through the new filter, cleaning the oil.
Before filling the tank be sure the funnel is clean and 200
mesh (or finer) screen is used to strain the hydraulic oil.
4. Repeat the procedure as necessary until the system
is purged.
If contaminated hydraulic oil reaches the cylinders, the unit
may need to be removed from service until the
contamination is removed. For more information, contact
the Heil Technical Services.
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