Oil Filter Replacement; Figure 21 Oil Filter Replacement - Hertz HDD Series Instruction Manual

MAINTENANCE

9.3.3 Oil Filter Replacement

Replace the oil filter at each oil replacement.
To replace the oil filter;
Stop the compressor and wait for the internal pressure to be released.
•
Use the filter wrench to remove the old filter.
•
Clean the surface on which the filter gasket seats.
•
If oil filter mounted upside-down, fill the new filter element with oil, and slightly grease the gasket. If
oil filter mounted upside, install without filling oil.
•
Place the filter, and thoroughly tighten it by hand.
•
Avoid any attempt to damage the filter cartridge.
•
Restart the compressor and check it for leaks.

Figure 21 Oil Filter Replacement

Always use the genuine HERTZ spare parts to minimize the risk of damage on the oil filter
element and compressor. The other brand filter elements may not have satisfactory
maximum pressure values.
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