WHEEL-COMPRESSOR 6N7961 - Caterpillar

Personal injury can result from air pressure.Personal injury can result without following proper procedure. When using pressure air, wear a protective face shield and protective clothing.Maximum air pressure at the nozzle must be less than 205 kPa (30 psi) for cleaning purposes.
Personal injury can result when using cleaner solvents.To help prevent personal injury, follow the instructions and warnings on the cleaner solvent container before using.
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.
Do not fill fuel filters with fuel before installing them. Contaminated fuel will cause accelerated wear to fuel system parts.
Illustration 1 g00527561
Note: Replace the secondary filter at every 250 service hour interval.
Illustration 2 g00527473
Shut off the fuel tank supply valve.
Remove the secondary filter.
Clean the filter mounting base. Make sure that the old seal is removed.
Coat the seal of the new filter with clean diesel fuel.
Install a new secondary filter. Hand tighten the filter. When the seal contacts the base, tighten the filter by 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.Note: Install a new, dry filter. Never fill a new filter with fuel before you install the filter. Dirty fuel can damage the fuel injectors. This damage will cause premature problems in the fuel system.
Open the fuel tank supply valve.
Prime the fuel system. Refer to Operation and Maintenance Manual, "Fuel System - Prime" for additional information.
Start the engine. Check for leaks.