TIP-GENERAL PURPOSE 4755497 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 473-2944 Capping Kit 1
B - De-ionized Water 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 g03727382
Ensure that the area around Diesel Emission Fluid (DEF) injector (2) is clean and free dirt and debris. If necessary, clean the area around the DEF injector. Clean the area around the DEF injector with Tooling (B) and a suitable tool.
Disconnect the harness assembly from connection (4) on DEF injector (2). Use Tooling (A) to cap the harness assembly and the DEF injector.
Remove the Diesel Emission Fluid (DEF) line from connection (4) on the DEF injector (2). Refer to Disassembly and Assembly, "Diesel Exhaust Fluid Lines - Remove and Install" for the correct procedure.
Use Tooling (A) to cap connection (4) on DEF injector (2) and the DEF line.
Remove the DEF line from connection (9) on DEF injector (2). Refer to Disassembly and Assembly, "Diesel Exhaust Fluid Lines - Remove and Install" for the correct procedure.
Use Tooling (A) to cap connection (9) on DEF injector (2) and the DEF line.
Make temporary marks on DEF injector (2) and Clean Emissions Module (CEM) (6) for installation purposes.
Sufficiently loosen allen head bolt (1) for V-band clamp (8) and remove DEF injector (2) and the V-band clamp from CEM (6).
Remove gasket (7) (not shown). Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
B - De-ionized Water 1
Ensure that the DEF injector and the CEM are free from wear or damage. Replace any component that is worn or damaged.
Illustration 2 g03736256
Illustration 3 g03729714
Ensure that gasket surface (10) for DEF injector (2) is clean and free from damage and wear.
Install a new gasket (7) (not shown) onto DEF injector (2).
Position V-band clamp (8) onto DEF injector (2). Ensure that the V-band clamp is correctly orientated in Position (X).
Install DEF injector (2) and align with the temporary marks. Tighten allen head bolt (1) hand tight. Ensure that the DEF injector and the clamp are correctly seated onto the CEM. Ensure that the DEF injector and V-band clamp is free to rotate.
Remove the caps from the harness assembly and connection (4) on DEF injector (2). Connect harness assembly to the connection on the DEF injector.
Prior to the installation of the DEF supply line, follow