TUBE AS 1439467 - Caterpillar

Ensure that the engine is stopped before any servicing or repair is performed.
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.
Illustration 1 g03725939
Typical example
Ensure that the area around cap on the Diesel Exhaust Fluid (DEF) tank is clean. Remove cap (1).
Using a suitable tool, press the tabs (2) in order to release the tabs . With the tabs released remove the filter screen (3) from DEF tank neck adapter (4).
The filter screen can be cleaned in clean water and dried using compressed air. Refer to this Operation and Maintenance Manual, "General Hazard Information" for information on using compressed air.
If the filter screen cannot be cleaned or the filter screen is damaged, then the filter screen must be replaced.
Install filter screen (3) into DEF tank neck adapter (4). Press filter screen into neck adapter and ensure that tabs (2) are located correctly. Install cap (1).