MUFFLER AS 3053795 - 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.
Care must be taken to ensure that fluids are contained 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, NENG2500, "Cat Dealer Service Tool Catalog" or refer to Special Publication, PECJ0003, "Cat Shop Supplies and Tools Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Refer to this Operation and Maintenance Manual , "General Hazard Information" before any adjustments or repairs are performedIf necessary, perform minor adjustments. Repair any leaks from the fuel system and from the cooling, lubrication, or air systems. Ensure that all adjustments and repairs are performed by authorized personnel that have had the correct training. The fuel system should be primed under the following conditions:
The fuel tank is empty or the fuel tank has been partially drained.
The engine has been in storage.
The fuel filter has been replaced.
The pressure fuel lines have been disconnected.Engines that are Equipped with a Fuel Priming Pump
Do not loosen the fuel lines at the fuel manifold. The fittings may be damaged and/or a loss of priming pressure may occur when the fuel lines are loosened.
Illustration 1 g01327092
Secondary fuel filter and optional fuel priming pump
(1) Fuel priming pump
(2) Secondary fuel filter
Check that the fuel supply valve (if equipped) is in the "ON" position.
Open the fuel priming pump and operate the fuel priming pump until a strong pressure is felt. This procedure will require considerable strokes. Lock the fuel priming pump.
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.
Promptly start the engine. If the engine runs rough, continue to operate the engine at low idle. Do not raise the engine rpm above an idle until the engine is operating smoothly.
If the engine does not start, open the fuel priming pump and repeat Steps 2 and 3 in order to start the engine. Engines that are Not Equipped with a Fuel Priming Pump
If the engine is not equipped with a fuel priming pump, you may use the following procedures to prime the fuel system. These procedures will only allow filtered fuel to enter the fuel system.
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.
Operate the starting motor in order to fill the fuel filter and the fuel lines with fuel.
Once the engine starts, operate the engine at low idle. Do not raise the engine speed above low idle until the engine is operating smoothly.