Updating the 350-3013 Engine Harness As Connector Used on 3512C Petroleum Well Fracturing Engines{1408, 7553} Caterpillar

Engine:

3512C (S/N: WF5100-178,180-188,191-193,196-200)

Petroleum Engine:

3512C (S/N: R1A1863-1954; R1S1355-1607)

Introduction

The 350-3013 Engine Harness As connector has the positive and negative wires for the CAN data link located in the wrong pinout locations. This incorrect pinout is at the service tool connector.

Refer the following procedure to update the 350-3013 Engine Harness As .

Update Procedure

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Illustration 1	g03696895

1. Locate the breakout connector shown in Illustration 1.

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Illustration 2	g03696908
(1) Lanyard

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Illustration 3	g03696938
Lanyard (1) with heat shrink material removed

2. Slide lanyard (1) back on the wiring harness assembly.

   Note: If the lanyard cannot be moved over the braid, remove some of the heat shrink tube.

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Illustration 4	g03696941
Cutting braid for added work area

3. Cut and removed some of the braided material to allow for a larger work area.

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Illustration 5	g03697057
Cutting the heat shrink

4. Carefully slit the heat shrink tube.

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Illustration 6	g03697089
Splitting heat shrink tubing

5. Using a heat gun, carefully heat only heat shrink tube to gain access to the wires.

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Illustration 7	g03697091
(2) Yellow wire (3) Green wire

6. Peel the heat shrink tube back to exposing the yellow and green wires.

   1. Remove yellow wire from connection "G".

   2. Remove green wire from connection "F".

7. Place the yellow wire into connection "F".

8. Place the green wire into connection "G".

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Illustration 8	g03697102

9. Ensure that the pins securely lock into position.

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Illustration 9	g03697107

10. Trim the excess heat shrink tube and braid material.

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Illustration 10	g03697109

11. Wrap the work area with electrical tape.

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Illustration 11	g03697113

12. Place 12 cm (4.75 inch) of 9X-8243 Heat Shrink Tube over the connector and breakout.

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Illustration 12	g03697232
(1) Lanyard

13. Slide the lanyard back into position.

    Note: If heat shrink material was removed to reposition the lanyard, replace with new heat shrink tube or electrical tape.