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Doosan D55C-9 - Fuel Filter - Change

Doosan D55C-9
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Maintenance Section
-153-
Water - 280 kPa (40 psi) Maximum Pressure
Direct water on the inside and outside of the element
along the length of the pleats. Air dry it thoroughly and
then examine it.
Detergent
1. Wash the element in warm water and mild household
detergent.
2. Rinse the element with clean water. See instructions
in preceding topic for cleaning with water.
3. Air dry it thoroughly, and then examine it.
Checking Element
1. Insert a light inside the clean dry element and
examine it. Discard the element if tears, rips or
damage are found.
2. Wrap and store good elements in a clean, dry place.
Fuel Filter - Change
The fuel filter element must be replaced on a regular
basis to prevent foreign materials from entering the diesel
fuel system.
Stop and cool down the engine.
Disconnect wire harness connector (1) and disconnect
the fuel hose (2) connected to the fuel filter port.
When removing the fuel filter, hold it carefully to prevent
fuel from flowing out. Wipe and clean spilled fuel.
Install a new fuel filter and assemble the fuel filter cap.
Connect the wire harness connector and fuel hose
connector. When connecting the fuel hose, take care to
prevent foreign material from entering the hose.
After replacing the fuel filter or element, or having
exhausted fuel, it is necessary to remove the air in the
fuel system for safe engine start up.
Loosen the plug of air bleed port (3).
Press the pump (4) with your hand until the oil comes out.
In this operation, all the fuel hose (2) must be connected.
Retighten the plug of air bleed port (3).
Check the fuel leakage

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