IMPELLER-CONV-YM 3843854 - Caterpillar

Removal Procedure
Do not remove the priority valve while the engine is hot. Hot oil can cause burns.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Allow the engine to cool after shutdown. Allow the volume of engine oil above the priority valve, the engine oil filters, and the engine oil cooler to drain to the engine oil pan.
Illustration 1 g03744417
Disconnect harness assembly (1). Remove elbow (2). Remove the O-ring seals (not shown).
Illustration 2 g03744419
Remove elbow (3). Remove bracket (4).
Illustration 3 g03744421
Remove bolts (5) and priority valve (6).
Illustration 4 g03744424
Remove O-ring seals (7) from the front housing. Installation Procedure
Install priority valve (6) in the reverse order of removal.
Ensure that the engine is filled with oil to the correct level. Refer to Operation and Maintenance Manual, "Engine Oil - Change" for the correct filling procedure.