Half/Pack
®
Issued April 2018
Maintenance and Adjustment
Copyright 2018, Heil Environmental
Printed in the U.S.A.
Maintenance and Adjustment
72
CHECK OIL LEVEL
Check the hydraulic oil level (after warning up the oil) daily or every eight (8) hours, whichever comes first. Fill as
necessary.
Important: 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.
WHEN TO CHANGE OIL FILTER ELEMENT
Change the filter more often under certain conditions such as an extremely dusty atmosphere or area. Use only Heil
replacement filters. Purchase the filter element from your local Heil distributor.
Change the filter element every 1000 hours or every six (6) months or when indicated by the filter monitor light located in
the cab.
CHANGE HYDRAULIC OIL FILTER ELEMENT
To change the hydraulic oil filter, refer to the figure below and follow these steps:
1. Remove nuts and filter cover.
2. Remove the filter element with the by-pass assembly and discard as required.
3. Clean the housing with a clean, lint-free cloth.
4. Check the o-ring and gasket. Replace them if necessary.
5. Lubricate all o-rings and gaskets.
6. Install new element.
7. Reinstall cover with nuts. Torque nuts to 13 ft/lbs.
Figure 17. Hydraulic Oil Filter
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