
148
Maintenance Section (D6T LGP (OEM)) WEBM1000
Fuel System Primary Filter/Water Separator - Drain
Fuel System Primary Filter/
Water Separator - Drain
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.
NOTICE
Care must be taken to ensure that fluids are
contai
ned 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, NE
NG2500 “Caterpillar
Dea
ler Service Tool Catalog” for tools and supplies
suitable to collect and contain fluids on Caterpillar
products.
Dispose of all fluids according
to local regulations
and mandates.
NOTICE
Do not allow dirt to enter the fuel system. Thoroughly
clean the area
around a fuel system component that
will be disconnected. Fit a suitable cover over
disconnected fuel system component.
193
Illustration 193
(1) Element
(2) Bowl
(3) Drain
Bowl (2) should be monitored daily for signs of
water. If water is present, drain the water from the
bowl.
1. O
pen drain (3). The drain is a self-ventilated
drain.
Catch the draining water in a suitable
container. Dispose of the water properly.
2. Close drain (3).
NOTICE
The water separator is under suction during normal
engine ope
ration. Ensure that the drain valve is
tightened securely to help prevent air from entering
the fuel system.
Fuel System Secondary Filters
- Replace
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
wh
ile wo
rking 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
containe
d 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, N
ENG2500 “Caterpillar
Deale
r Service Tool Catalog” for tools and supplies
suitable to collect and contain fluids on Caterpillar
products.
Dispose of all fluids according to
local regulations
and mandates.
NOTICE
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
elements, replace the primary fuel filter element.