2009/05/04 Improved Installation Procedure for the Heater Cable {7304} Caterpillar

Description of Change: On certain D6N machines, there has been reports of warm air that is being blown out from the HVAC system. This potential issue is often caused by a broken cable or a seized cable. The heater has an interference with the connector for the EMS III. This cable is the cable that goes from the control panel to the water valve.

Adaptable To:

Rework Procedure

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Illustration 1	g01904214

1. Remove bolts (A) that are located on the dash.

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Illustration 2	g01904276

2. Open the dash in order to have access to heater cable (B) and heater control (C) .

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Illustration 3	g01904535

3. Remove left side panel (D) .

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Illustration 4	g01906213

4. Open air filter cover (E) .

5. Remove air filter (F) .

6. Remove plate (G) in order to have access to the heater valve.

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Illustration 5	g01906295

7. Inspect heater cable (B) in order to determine if the cable needs to be replaced. If necessary, replace heater cable (B) .

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Illustration 6	g01906356

8. Make sure that the 245-3374 Cable As (2) is properly mounted. If the 245-3374 Cable As (2) is not mounted correctly, assemble the 245-3374 Cable As (2) to water valve (J) by using the existing 102-0341 Clip (H) .

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Illustration 7	g01906536

9. Add a 3S-2093 Cable Strap (3) on the heater control side in the dash in order to secure the 129-1831 Clamp (1) .

The rework procedure is effective with the following machines:

• D6N LGP (S/N: DJY1686-UP)

• D6N XL (S/N: DJA1195-UP)

• D6N XL DS (S/N: DJY302-UP)

The rework procedure is adaptable to the following machines:

• D6N LGP (S/N: DJY1-1685)

• D6N XL (S/N: DJA1-1194)

• D6N XL DS (S/N: DJY1-301)