Figure 106: Primary fuel filter
Pos. Name
1 Primary fuel filter
2 Transparent bowl
3 Drain valve
1. Park the vehicle on level ground and turn the key in the ignition switch to the off position.
2. Install a tube on the drain valve and a recipient to collect the water and fuel.
3. Drain the transparent bowl of the primary fuel filter.
4. Close the drain valve.
5. Remove the filter cartridge from the mounting head and discard it.
6. Hold the filter cartridge and remove the transparent bowl.
7. Remove O’ring from the threaded tube of the head. Clean the filter mounting head.
8. Clean the transparent bowl and inspect the seal. Replace the seal if required.
9. Lubricate the seal with clean diesel fuel and install on the transparent bowl.
10. Install the transparent bowl on the new filter cartridge. Tighten to 15 Nm (11 ft-lb.).
11. Lubricate the seal of the new filter cartridge with diesel fuel. Install the new filter cartridge (with
transparent bowl) on the head. Tighten by hand.
12. Insert the key in the ignition switch and turn it to the accessory position. Activate the fuel pri-
ming pump to fill the lines as described in the fuel priming procedure. Then start the engine;
13. Stop the engine and check for leaks.
14. Proceed to change the secondary fuel filters.
Replacing the secondary fuel filters
NOTICE
Risk of contamination of drinking water
►
Used filter components, seals and residual fuel must be disposed of in accordance with local
regulations.
Operating and Maintenance Manual
Snow groomer BISON
182
(255)
11 - Maintenance
BISON 908930245 - 30367
11.13.3
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