HARNESS AS-SENSOR 3376814 - Caterpillar

The procedure for the , "Brake System Air - Purge" has changed significantly and will need to be followed on trucks equipped with the hydraulic ARC system.
Several group part numbers have changed with the introduction of the hydraulic ARC system. Refer to Table 2 for the correct part numbers for the 785C. Refer to Table 3 for the correct part number for the 789C.
Table 1
Part Number Changes for the 784C    
Former Pt. No.     New Pt. No.     Description    
170-3595     244-1498     Air Dryer Gp    
170-3640     253-0781     Service Brake Control Gp    
8W-4442     237-4170     Service Brake Lines Gp Front    
156-7139     253-0780     Service Brake Lines Gp Rear    
154-3760     237-4171     Traction Control Gp    
Table 2
Part Number Changes for the 785C    
Former Pt. No.     New Pt. No.     Description    
170-3595     244-1498     Air Dryer Gp    
170-3641     235-5741     Service Brake Control Gp    
8W-4442     237-4170     Service Brake Lines Gp Front    
156-7140     237-4169     Service Brake Lines Gp Rear    
154-3760     237-4171     Traction Control Gp    
Table 3
Part Number Changes for the 789C    
Former Pt. No.     New Pt. No.     Description    
154-3751     244-1558     Air Dryer Gp    
154-3750     241-7848     Service Brake Control Gp    
5T-1025     241-7845     Service Brake Lines Gp Front    
156-7141     241-7846     Service Brake Lines Gp Rear    
154-3761     241-7847     Traction Control Gp