
116
Maintenance Section
Fuel System Primary Filter (Water Separator) - Drain
4. Start the engine. Look for leaks around the fuel
filter assembly. If the engine does not start, or if
the engine misfires, more priming is necessary.
i01556371
Fuel System Primary Filter
(Water Separator) - Drain
SMCS Code: 1263-543
S/N: 5SK1990-Up
S/N: 8TK3231-Up
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.
g00729143
Illustration 187
1. Open the engine access door on the right side
of the machine. The water separator is located
on the bottom of the primary fuel filter.
g00808970
Illustration 188
2. Open the drain valve on the bottom of the water
separator bowl. Allow the water and the fuel to
drain into a suitable container.
3. Close the drain valve.
Note: The water separator is under suction during
normal engine operation. Tighten the drain valve
securely in order to prevent air leakage into the fuel
system.
4. Close the engine access door.