DOWEL 6H2948 - Caterpillar

Personal injury can result from improper handling of chemicals.Make sure you use all the necessary protective equipment required to do the job.Make sure that you read and understand all directions and hazards described on the labels and material safety data sheet of any chemical that is used.Observe all safety precautions recommended by the chemical manufacturer for handling, storage, and disposal of chemicals.
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 g03416901
Machine location of Pump Electronics Tank Unit (PETU).
The diesel exhaust fluid filter is located at the bottom of the Pump Electronics Tank Unit (PETU). The PETU is located within the rear bumper on the left-hand side of the machine.
Illustration 2 g03741708
(1) Access cover
Remove access cover (1) beneath the PETU on the underside of the rear bumper.
Illustration 3 g03741071
Typical example
(2) DEF filter
(3) Insert
(4) Cap
Remove the diesel exhaust fluid (DEF) filter cap (4) with a 27 mm (1.06 inch) wrench.
Remove the rubber cone insert (3) from the DEF filter (2).
Illustration 4 g03741074
Typical example
(2) DEF filter
(5) Tool
Insert the DEF filter removal tool (5) into the DEF filter (2) and remove the DEF filter (2).Note: Avoid twisting the DEF filter (2) upon removal. Twisting may cause a tear.
Clean the area around the filter housing.
Lubricate the seals of the new DEF filter (2) with diesel exhaust fluid or distilled water.
Install new DEF filter (2) and rubber cone insert. Torque the filter cap to 20 5 N m (14.8 3.7 lb ft) with a 27 mm (1.06 inch) wrench.Note: Avoid twisting the DEF filter (2) upon installation. Twisting may cause a tear.
Install access cover (1) on the underside of the rear bumper.