2015/03/25 Caterpillar


Service Tool Connector Pin Out Update For Certain 3512C Engines {1408, 7553}

Usage:

3512C R1A
Engine:
3512C (S/N: WF51-178,180-188,191-193,196-200)
Petroleum Engine:
3512C PETROLEUM (S/N: R1A1863-1954; R1S1355-1607)
Engine News SEBD9982, 06 March 2015, "Service Tool Connector Pin Out Update For Certain 3512C Engines". Disregard the previous article, the serial numbers have been updated.

Two wires in the nine pin service tool connector are in the wrong location.

The wire in location G and the wire in location F need to swap locations. This action will correct the problem of the CAN + and the CAN - being in the incorrect locations.

Table 1 contains the tools that are required to switch the wiring in the engine harness. Table 2 contains the effective serial numbers for this change.

ReferenceRefer to Special Instruction, REHS9575, "Updating the 350-3013 Engine Harness As Connector Used on 3512C Petroleum Well Fracturing Engines" for more information on the updating process.

Table 1
Item     Qty     Part Number     Part Description    
1     1     151-6320     Wire Removal Tool    
2     12     9X-8243     Heat Shrink Tube    

Table 2
Effective Serial Numbers    
S/N:R1A01955-UP    
S/N:R1S01608-UP    
S/N:WF500201-UP    

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