- Pipelayer:
- 572RSeries II (S/N: DSC300-UP)
- Track-Type Tractor:
- D10T (S/N: RJG1-UP)
- 583T (S/N: CMX1-UP)
- 587T (S/N: FAT1-UP)
- D6RSeries III (S/N: GJB1-UP; HDC1-UP; HCD1-UP; HKE1-UP; WRG1-UP; MRT1-UP; WCG1-UP)
- D6T (S/N: WFH1-UP; SKL1-UP; JHB1-UP; WCB1-UP; DJG1-UP; KJL1-UP; LAY1-UP)
- D7RSeries II (S/N: AEC1500-UP; ABJ1500-UP; AGN1500-UP)
- D8T (S/N: KPZ1-UP)
- D9T (S/N: RJS1-UP)
Description of Change: The 145-7028 Temperature Sensor Gp is used to monitor temperatures at several locations on these machines. The sensor monitors the temperature of fluids in the hydraulic tank, the torque converter and the transmission. It is very important to provide the proper strain relief of the wire leads that are attached to the sensor in order to prevent potential problems. The wire leads that attach to the temperature sensor should be strapped to a clip or a link in order to provide proper strain relief. The wire leads at the sensor must not be pulled too tightly.
Location of the Weld Link and Cable Strap to Improve Sensor Life
Note: The effectivity of the weld link for the D6R Series III is for the following tractors: (S/N: MRT1-466; GJB1-799; WRG1-702; WCB1-223; HDC1-251; HCD1-167; HKE1-244)
An additional link and a cable strap should be added to D6R machines in order to provide the proper strain relief at the connector.
Note: The link will only be applicable to the D6R.
Location of the Weld Link on the D6R.
The following illustrations provide the location for the link on the D6R.
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| Illustration 1 | g01407230 |
(1) The link is located on the rear, right hand side of the case frame next to the ROPS support. | |
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| Illustration 2 | g01407231 |
(A) Location of the link 15 mm (0.60 inch) from the edge (B) Location of the link 40 mm (1.575 inch) to the center of the link | |
Location of the Cable Straps for Improved Strain Relief of the Wire Leads that are attached to the Temperature Sensor
Acceptable Location of the Cable Strap for Improved Life of the Temperature Sensor
The following illustrations represent the proper placement of cable straps and the proper routing of the wire leads in order to provide proper strain relief.
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| Illustration 3 | g01414275 |
The extra length of the harness has been tied down. The connector is also tied down at the harness clip. | |
Note: The wiring harness is not pulled too tightly. This view is at the back of the sensor.
 | |
| Illustration 4 | g01414276 |
The sensor's pigtail is grouped properly. No portion of the harness is untied. The wires are not pulled tightly at the sensor. | |
Unacceptable Strain Relief
The following illustrations show poor methods of strain relief.
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| Illustration 5 | g01414278 |
The wires at the base of the sensor have been pulled too tightly. This will allow moisture to penetrate the seal. The moisture will also deteriorate the sensor. | |
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| Illustration 6 | g01414280 |
The extra length from the bundle has not been tied down at the harness clip. Illustration 3 shows the proper restraint of the harness. | |