GAUGE GP-OIL LEVEL (DIPSTICK) 1862348 - Caterpillar

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.
Use a suitable container to catch any fuel that might spill. Clean up any spilled fuel immediately.
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.
Illustration 1 g01186208
Left side view of engine
(1) Fuel priming pump (if equipped)
Illustration 2 g01326675
Detailed view of the fuel filter and priming pump
(2) Fuel priming pump
(3) Air purge fitting If the fuel system runs out of fuel or if air is introduced into the fuel system, either of the following procedures may be followed. If necessary, fill the fuel tank with clean diesel fuel.Using the Engine to Prime the Fuel System
Turn the ignition switch to the OFF position.
Unlock the fuel priming pump (if equipped) by turning the cap counterclockwise.
Purging air from the fuel system requires the air purge fitting to be opened. Turn the air purge fitting counterclockwise by three full turns. Do not remove the fitting.
Do not crank the engine continuously for more than 30 seconds. Allow the starting motor to cool for two minutes before cranking the engine again.
Crank the engine for 30 seconds. Use a suitable container to catch the fuel while you crank the engine. Allow the starting motor to cool for two minutes. Note: Most of the air should be purged from the system after four or five cranking cycles.
Repeat Step 4 until the engine starts and runs. If the engine runs rough, continue to operate the engine at low idle until the engine runs smoothly.
Observe the air purge fitting. When a small drop of fuel appears at the threads of the air purge fitting, close the air purge fitting. After the air purge fitting is closed, tighten the air purge fitting. Refer to Specifications, SENR3130 for the correct torque. Note: Failure to tighten all fittings could result in serious fuel leaks.
After the engine has operated smoothly for 30 seconds, turn the priming valve to the LOCK position. Note: The