
122
Maintenance Section
Fuel Tank Cap and Strainer - Clean
5. Apply a thin coat of clean diesel fuel to the
sealing surface of the new fuel filter element.
6. Install the new fuel filter element by hand. When
the seal contacts the filter base, tighten the fuel
filter element by an additional 3/4 turn. This will
tighten the fuel filter element sufficiently.
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.
7. Prime the fuel system.
Reference: Refer to Operation and Maintenance
Manual, “Fuel System - Prime” for the correct
procedure.
8. Close the engine access door.
i01557069
Fuel Tank Cap and Strainer -
Clean
SMCS Code: 1273-070-STR; 1273-070-Z2
The fuel tank cap is located on the left side of the
machine.
g00100737
Illustration 200
1. Lift lever (5) and turn the lever counterclockwise
until the lever stops. Remove the fuel tank cap.
2. Inspect seal (4) for damage. Replace the seal,
if necessary.
3. Remove screws (1), filter assembly (2), valve (3)
and the gaskets.
4. Remove the strainer from the filler tube.
5. Wash the fuel tank cap and the strainer in a
clean, nonflammable solvent.
6. Install a new cap filter kit. Install the other
components in reverse order.
7. Install the strainer and the fuel tank cap.
i01464158
Fuel Tank Water and Sediment
- Drain
SMCS Code: 1273-543-M&S
g00765256
Illustration 201
The drain valve is located under the fuel tank.
1. Open the drain valve and allow the water and
sediment to drain into a suitable container.
2. Close the drain valve.
Note: If water and sediment are regularly found at
weekly maintenance intervals, drain the sediment
daily.
i01557031
Fuses - Replace
SMCS Code: 1417-510
NOTICE
Replace the fuses with the same type and size only.
Otherwise, electrical damage can result.
If it is necessary to replace fuses frequently, an elec-
trical problem exist. Contact your Caterpillar dealer.
Fuses – The fuses protect the electrical
system from a circuit that has been
overloaded. Change a fuse if the element
separates. If the element of a new fuse separates,
check and repair the circuit.