CHASSIS AR 3588972 - Caterpillar

Personal injury or death may result from failure to adhere to the following procedures.Fuel leaked or spilled onto hot surfaces or electrical components can cause a fire.Clean up all leaked or spilled fuel. Do not smoke while working on the fuel system.Turn the disconnect switch OFF or disconnect the battery when changing fuel filters.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Dispose of all fluids according to local regulations and mandates.
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(1) Vented Fuel Cap (2) Non-Vented Fuel CapNote: Machines that are not equipped with a fast fill fuel adapter group require a vented fuel cap. Machines that are equipped with the nonpressurized fast fill fuel adapter group require a vented fuel cap. Machines that are equipped with the pressurized fast fill fuel adapter group require a non-vented fuel cap.
Failure to install a vented fuel cap on a nonpressurized fuel tank could create a vacuum in the fuel system. A vacuum could cause damage to the fuel system components and/or inefficient engine operation.Failure to install a non-vented fuel cap on a pressurized fast fill fuel adapter group could cause the fuel tank to be overfilled during refueling.
Refer to Operation and Maintenance Manual, "Capacities (Refill)" for the fuel tank capacity of your machine.Park the machine on a level surface. Make sure that the transmission control is in the PARK position.
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Clean fuel cap (3) and the filler neck. Remove the fuel cap.
Fill fuel tank (4) with fuel through the filler neck and install the fuel cap.Fast Fill Fuel Adapter (If Equipped)
Use only a Caterpillar approved fast fill system to fuel machines. Over pressurization may cause tank deformation and fuel spillage.Contact your Cat dealer for fast fill system availability.
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Rear view
Open access door (5) and remove dust cover (6) to the fast fill fuel adapter. Clean the fast fill fuel adapter.
Fill fuel tank (4) through the fast fill fuel adapter.
Remove the fast fill fuel attachment at the fast fill fuel receiver and install dust cover (6) .
Close access door (5) .Note: Prime the fuel system. See Operation and Maintenance Manual, "Fuel System - Prime" for more information.