Issued July 2024
Maintenance and Adjustment
Copyright 2024, The Heil Co.
Printed in the U.S.A.
Maintenance and Adjustment
100
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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