FRONT IDLER GROUP 8P4229 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 473-2944 Capping Kit 1
Ensure that all adjustments and repairs that are carried out to the Diesel Emission Fluid (DEF) system are performed by authorized personnel that have the correct training.Before beginning ANY work on the DEF system, refer to Operation and Maintenance Manual, "General Hazard" for safety information.
Care must be taken to ensure that Diesel Emission Fluid (DEF) for the system 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.
Ensure that the purge process for the DEF system is completed before turning the battery disconnect switch to the OFF position. Refer to the Operation and Maintenance Manual, "Battery Disconnect Switch" for further information.
Illustration 1 g03726978
Remove flexible exhaust pipe (1). Refer to Disassembly and Assembly, "Flexible Exhaust Pipe - Remove and Install" for the correct procedure.
Disconnect the harness assembly from exhaust temperature sensor (2).
Disconnect harness assembly (4) from Diesel Emission Fluid (DEF) injector (3). Use Tooling (A) to cap the harness assembly and