COLLET 8R3930 - Caterpillar

Replace the secondary fuel filter elements when either of the following conditions occur:
The engine is operating at rated speed and at operating temperature and the fuel filter differential pressure reaches 69 kPa (10 psi).
The fuel filter elements have been used for 1000 hours of operation.Service tools are available to aid in the service of oil filters and fuel filters. Consult your Cat dealer for the part names and the part numbers. Follow the instructions that are supplied with the service tools. If the service tools are not used, perform the following appropriate procedure.Replacing the Secondary Filters With the Engine Stopped
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.
Illustration 1 g00335918
(1) Control valve
(2) Drain valve
(3) Vent plug
(4) Cover
Stop the engine. Connect