VALVE GP-RELIEF 6E3912 - Caterpillar

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.
Reference: See Operation and Maintenance Manual, "Capacities (Refill)" for the capacity of the Diesel Exhaust Fluid (DEF) tank for your machine.The Diesel Exhaust Fluid (DEF) tank is filled above the rear bumper on the left-hand side of the machine.
Illustration 1 g06063790
DEF tank filler cap
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DEF tank filler cap
Clean the blue-colored DEF tank filler cap and the surrounding area.
Remove the DEF tank filler cap.
Fill the tank with diesel exhaust fluid (DEF).Note: Do not fill the DEF tank from a contaminated container or funnel.Note: Do not over fill the tank. DEF can freeze and needs room for expansion.
Install the DEF tank filler cap.Refer to Operation and Maintenance Manual, "Lubricant Viscosities" for more information on diesel exhaust fluid (DEF) guidelines.