14
Chapter 4
To Replace Water Separator Filter Element
1. Place a suitable container under the bowl to collect the
contaminated material.
2. Turn off the fuel valve.
3. Spin the element and bowl off in a counterclockwise
direction using the correct fi lter removal tool. You can
purchase these at retail auto or marine outlets.
4. Remove the bowl from the element.
5. Clean the bowl O-ring gland and bowl sealing surface
of dirt, debris or “algae”.
6. Lubricate a new O-ring and the element seal with fresh
diesel fuel.
7. Place the new element seal into the element top with
the bevel side up and the new O-ring into the bowl
gland.
8. Firmly hand tighten the bowl onto the element. Now
attach both onto the head by hand. DO NOT USE
TOOLS TO TIGHTEN!
9. Prime the fuel system. Refer to the previous
information.
10. Start the engine and check for leaks.
Notes-Element Replacement
Contamination level varies in fuels. As the fuel system
slowly plugs the element fuel fl ow to the engine becomes
increasingly restricted.
Replace the element every 500 hours, annually, or at the
fi rst sign of power loss or hard starting which ever comes
fi rst.
Typical Secondary Engine Mounted Diesel Fuel Filter
PRIMER
VALVE
BLEED
NIPPLE
CONNECTOR
PIECE
FILTER
ELEMENT
FUEL
INLET
To Drain, Prime Or Replace Secondary Fuel Filter
Element
Refer to the Volvo Penta operator manual for specifi c
information. Read and understand the procedures before
attempting to service the secondary engine mounted fuel
fi lter. Follow all safety requirements and environmental
regulations when servicing the fuel system.
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