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HOSE AS 3967603 - Caterpillar

3967603 HOSE AS Caterpillar parts HOSE
Alternative (cross code) number:
Caterpillar 3967603 HOSE AS

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Fuel leaked or spilled onto hot surfaces or electrical components can cause a fire. To help prevent possible injury, turn the start switch off when changing fuel filters or water separator elements. Clean up fuel spills immediately.
Do not allow dirt to enter the fuel system. Thoroughly clean the area around a fuel system component that will be disconnected. Fit a suitable cover over disconnected fuel system component.
Illustration 1 g00294231
Open the access door on the left side of the machine. Open the engine compartment access covers.
Illustration 2 g00294240
Shut off the fuel line shut off valves.
Illustration 3 g00294230
Illustration 4 g00311104
(1) Cap (2) Locking Ring (3) Element (4) Drain
Clean the outside of the fuel filter assembly. Open drain (4) and drain the fuel and water from element (3) into a suitable container.Note: If the element is not equipped with a drain, remove cap (1). Remove the nylon insert in order to reduce the level of fuel in the element. A reduction in the level of fuel in the element will help prevent fuel from being spilled when the element is removed.
Do not use a tool in order to remove the fuel filter. Attempting to remove the fuel filter with a filter wrench or a filter strap could damage the locking ring.
Hold element (3) and rotate locking ring (2) counterclockwise. Remove locking ring (2). The used element should be removed and discarded.Note: If the element is equipped with a sediment bowl, remove the sediment bowl from the element. Thoroughly clean the sediment bowl. Inspect the O-ring seals. Install new O-ring seals, if necessary. Install the sediment bowl to the new element. Hand tighten the sediment bowl. Hand tightening is the only method that should be used.
Do not fill fuel filters with fuel before installing them. Contaminated fuel will cause accelerated wear to fuel system parts.
Ensure that the filter head is clean. Push a new element fully into the filter head.
Hold the element in place. Fit locking ring (2) into position. Rotate the locking ring clockwise in order to fasten the element to the filter head.Note: If the nylon insert was removed, install the nylon insert and install cap (1) .
Prime the fuel system. Refer to the Operation and Maintenance Manual in the Maintenance Section for more information.

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