Dover HEIL DuraPack Python - Check Oil Level; When to Change Oil Filter Element; Change Hydraulic Oil Filter

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Issued July 2024

Maintenance and Adjustment

Printed in the U.S.A.

Maintenance and Adjustment

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 when oil analysis shows the oil has expired.

CHANGE HYDRAULIC OIL FILTER ELEMENT

Watch the Service Shack Video online at www.Heil.com/Heil-Service-Shack and selecting Changing Filters.

Replace the hydraulic filter element after first 30 days of operation, then every 6 months or 1000 hours of operation OR when

filter bypass light is ON. To change the hydraulic oil filter, refer to the figure below and follow these steps:

1. Using a 1/2" wrench, remove the four (4) nuts from the filter cover located on the hydraulic oil tank.

2. Set the nuts aside for reuse and then remove the filter cover.

3. Remove the filter element with the by-pass assembly and responsibly discard as required.

4. Clean the housing with a clean, lint-free cloth.

5. Check the o-ring and gasket. Replace them if necessary.

6. Lubricate all o-rings and gaskets.

7. Install new element.

8. Reinstall cover with nuts. Torque nuts to 13 ft-lbs.

Figure 41. Hydraulic Oil Filter