RETAINER 7T9996 - Caterpillar

Personal injury or death can result from a fire.Fuel leaked or spilled onto hot surfaces or electrical components can cause a fire.Clean up all leaked or spilled fuel. Do not smoke while working on the fuel system.Turn the disconnect switch OFF or disconnect the battery when changing fuel filters.
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, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Do not fill fuel filters with fuel before installing them. Contaminated fuel will cause accelerated wear to fuel system parts.
Before you replace the secondary fuel filter element, replace the primary fuel filter element. See the Topic "Fuel System Primary Filter - Replace" in this manual.
Illustration 1 g00984828
Turn the red handle of the fuel shutoff valve clockwise in order to shut off the fuel supply. The fuel shutoff valve is located at the rear of the machine under the fuel tank.
Open the engine access door on the left side of the machine. The secondary fuel filter is mounted on the left side of the engine behind the primary fuel filter.
Illustration 2 g00984879
Remove the secondary fuel filter. Drain the fuel into a suitable container.Note: Discard any drained fluids according to local regulations. Discard the fuel filter properly.
Clean the filter base. Make sure that all of the old seal is removed.
Coat the seal of the new high efficiency fuel filter with clean diesel fuel.
Install the new fuel filter by hand. When the seal contacts the base, tighten the filter for an additional 3/4 turn.Rotation index marks are positioned on the filter at 90 degree intervals. Use these rotation index marks as a guide when you tighten the filter.
Open the fuel shutoff valve. Refer to illustration 1.
Prime the fuel system. See the Topic "Fuel System - Prime" in this manual.
Close the engine access door.