Before any servicing is carried out, please ensure the system is isolated from the fuel supply (close any ball valves). The internal valve should be closed for this service, but must be re-opened before the unit is restarted (page 15).

You will need:

• Spanner
• Gloves
• Replacement element
• Gasket set
• Flat head screwdriver

Instructions

1. Turn off the power supply to your machine- talk to your internal representative if required.

2. Close all ball valves to isolate the system from the fuel supply. Talk to your internal representative if required.

3. Locate the internal service ball valve and turn the valve from open to close.

4. unscrew the 4 lid screws with the spanner and alrenate between the screws as there will be pressure from the internal spring.

5. remove the lid and inspect the gasket. If replacement is required, follow instructions from step 6, if not, skip to step 9. For spares, please see our spares page.

6. Remove the gasket from the grey filter lids using a flat head screwdriver to prise it out.

7. clean any residue on the lid where the gasket was.

8. Install the new gasket, ensuring it is sitting correctly in the given area.

9. Remove the spring cassette

10. remove the old filter element

11. fit the new element using the handle at the top.

12. Install the spring cassette

13. Replace grey lid on to the filter unit and tighten 4 bolts (6-8nm max)**onto filter lid.