The HPK02 is a heavy-duty filter built for high pressure applications, with cast aluminum head and impact-extruded aluminum housing for strength and durability at relatively lightweight. Available with choice of visual or AC/DC electrical indicators and bypass options.
High Pressure Circuits
Power Steering Circuits
Servo Valve Circuits
Rugged and reliable construction
Highly configurable – Flexible mix and match system of in-stock heads, housings and cartridges
Multiple filter types and media efficiency options – allowing you to achieve the performance you need for most any application
Featuring our high-performance DT filters or standard filters with multiple efficiency options – allowing you to achieve the performance you need for most any application
Strong, durable cast aluminum head and impact-extruded aluminum housing construction is relatively lightweight
Fluorocarbon (such as Viton® and Fluorel®) or Buna-N seals available
Donaldson exclusive Synteq™ – synthetic fiber media for greater filtration efficiency and higher dust-holding capacity
Many different efficiency grades from which to choose
Viton® is a registered trademark of E. I. DuPont de Nemours and Company. Fluorel® is a registered trademark of 3M Company.
The following are recommended practices for hydraulic filter servicing and handling. These steps are universal to many hydraulic systems. This servicing information is provided as a best practices guide. Donaldson recommends that you follow the filter service instructions supplied by your original equipment manufacturer. These recommended practices are not intended to replace or supersede the service instructions supplied by your equipment or vehicle manufacturer.
Check the filter service indicator
Check to see that the OEM specified service interval has been reached or that the service indicator shows that the filter is due for servicing.
Turn system off and release pressure
Ensure that the hydraulic system is turned off.
Check that there is no pressure present.
Remove the cartridge housing
Remove the used filter and gasket, if applicable
Properly dispose of the cartridge according to local regulations.
Clean the head seal area and housing
Clean out any sediment from the inside of the filter housing.
Inspect the new filter cartridge for damage
Check the new filter you will be installing for any shipping and handling damage. Do not install a damaged filter.
Install and lubricate seals, gaskets and threads.
Lubricate the o-rings, gaskets, housing seals and threads with clean system oil.
Install new cartridge into the housing
Align threads. Spin filter until gasket contacts
Fit the housing to the filter head as instructions on the housing.
Install housing according to manufacturer instructions
Bleed the hydraulic system and check for leaks
Donaldson Hydraulic Filtration Overview
Donaldson provides filters and contamination control products to protect hydraulic components -- in the factory and on heavy-duty equipment. This module provides an overview of hydraulic systems and the advantages of Donaldson hydraulic filters.
Donaldson Hydraulic Filter Servicing
Donaldson provides best practices and recommended steps for hydraulic filter servicing. By following these simple steps, discover how you can reduce maintenance costs and extend the life of your hydraulic system.