HOSE AS 3156110 - Caterpillar

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Note: This unit has a dual purpose. The element serves as a water separator and a fuel filter.
Illustration 1 g03820042
(1) Filter Housing
(2) Drain Valve
(3) Drain Hose
(4) Water-In-Fuel Sensor Plug
Open the engine access door. Refer to Operation and Maintenance Manual, "Access Doors and Covers".
If equipped, disconnect the water-in-fuel sensor plug (4).
Open the drain on the fuel filter. Allow the water and fuel to drain into a suitable container. Note: One half to one full turn will fully open the valve (2).
Close the drain valve (2) by hand. Do not tighten the drain valve (2) with a tool. Damage to the valve or to the seals may occur.
Rotate the fuel filter housing (1) counterclockwise to remove.
Clean the mounting base for the fuel filter.
Clean the housing for the fuel filter.
Lubricate the seal with clean fuel. Install the new fuel filter and housing onto the mounting base. Rotate clockwise in order to fasten the fuel filter to the mounting base. Hand tighten until the lip of the housing is in contact with the mounting base. Note: Do not prefill the filter with fuel. Contamination of the fuel system will occur and damage to the injectors may occur.
If equipped, reconnect the water-in-fuel sensor plug (4).
Prime the fuel system in order to fill the fuel filter with fuel. Refer to Operation and Maintenance Manual, "Fuel System Priming Pump - Operate".
Close the engine access door.