IMPELLER 3774971 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A - Guide Studs
M10 by 80 mm 2
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.Dispose of all fluids according to local regulations and mandates.Keep all parts free from contaminants. Contaminants may cause rapid wear and shorten component life.Plug or cap all open ports and tube assemblies.
Illustration 1 g02568277
Loosen hose clamps (2) and disconnect hose assembly (1) from the outlet of turbocharger (5).
Loosen hose clamp (4) and disconnect air inlet hose (3) from the turbocharger.
Remove the exhaust back pressure valve (9). Refer to