Shrink Tubing. Permalert PAL-AT AT40K, PAL-AT AT50C, PAL-AT AT80K, PAL-AT AT20C, PAL-AT AT20K

7 Cable Connectors

7.3 Shrink Tubing

7.3.1 Cable Type TFH

1. The TFH cable connector assemblies must be encapsulated in watertight shrink tubing. Test connectors according to the "Cable and Connector Testing Procedures" before heating the shrink tubing. Connectors that are calibration points must be kept dry until the system has been commissioned. After commissioning, the shrink tubing should be installed.

If water is allowed to enter the end of the cable and get under the jacket, the cable must be replaced .

2. Install the shrink tubing in accordance with the following steps:

Step A Slide the overbraid and cable jacket back from the reducing adapter, to expose ½" of braid wire.

Smooth the excess cable jacket away from the connector, so there is at least 5" of smooth surface adjacent to the connector. If the sensor cable is being connected to a jumper cable, skip steps A and B for jumper cable.

Step B Place a 1/4" bead of RTV sealant around the cable on the exposed braid wire.

Step C Slide the 4" long shrink tubing to the reducing adapter, if the CASTD connector is used. Make sure there are no wrinkles in the cable jacket. Make sure the shrink tubing does not overlap the reducing adapter. Slide the shrink tubing over the outer crimp ferrule to the back of the connector body if the CAGOLD crimp style connector is used. Heat the shrink tubing with a heat gun until it has fully shrunk and adhesive oozes out the end. Do not disturb the assembly until the shrink tubing has cooled (approximately 5-10 minutes).

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