
119
Maintenance Section
Fuel System Secondary Filter - Replace
i01380733
Fuel System Secondary Filter -
Replace
SMCS Code: 1261-510-SE
S/N: 4DJ1-Up
S/N: 5SK1-742
S/N: 8TK1-Up
S/N: 2LM1-Up
g00729143
Illustration 194
1. Open the engine access door on the right side
of the machine.
g00729144
Illustration 195
2. Remove fuel filter (1). Dispose of the used filter
properly.
3. Clean the filter mounting base. Make sure that all
of the used gasket is removed.
4. Lubricate the gasket of a new filter with clean
diesel fuel.
5. Install the new filter by hand. When the gasket
contacts the filter base, tighten the filter by an
additional 3/4 turn.
There are rotation index marks on the filter at 90
degree intervals. Use these marks as a guide for
proper tightening.
NOTICE
Do not fill fuel filters with fuel before installing them.
Contaminated fuel will cause accelerated wear to fuel
system parts.
6. Prime the fuel system.
Reference: Refer to Operation and Maintenance
Manual, “Fuel System - Prime” for the correct
procedure.
7. Close the engine access door.
i01559511
Fuel System Secondary Filter
Number One - Replace
SMCS Code: 1261-510-SE
S/N: 5SK743-Up
Personal injury or death can result from a fire.
Fuel leaked or spilled onto hot surfaces or electri-
cal 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.
NOTICE
Care must be taken to ensure that fluids are contained
during performance of inspection, maintenance, test-
ing, adjusting and repair of the product. Be prepared to
collect the fluid with suitable containers before open-
ing any compartment or disassembling any compo-
nent 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.