TM 10-3510-226-23
0079 00
TEST-CONTINUED
Test the Heat Tapes
WARNING
Ensure that all electrical power is shut off and disconnected before proceeding. The
circuit breaker box or individual circuit breaker should be locked and tagged out by
personnel following this procedure. Remember that the CBL is a wet environment.
Serious injury or death to personnel can result from electrocution if proper safety
precautions are not observed.
WARNING
Allow the heat tapes to cool at least 30 minutes before attempting any testing or repair
procedures. Failure to observe safety precautions may result in serious injury or death to
personnel.
1. Disconnect heat tape (Figure 2, Item 2) from receptacle.
2. Use an ohmmeter to check for 750 ohms resistance between the two flat prongs on the plug (Figure
2, Item 3).
3. Replace an open heat tape (Figure 2, Item 2).
4. Use an ohmmeter to check for continuity between each flat prong and the ground prong on the plug
5. Replace a heat tape that is shorted.
6. Reconnect the heat tape plug (Figure 2, Item 3) to the appropriate receptacle and monitor for normal
operation.
0079 00-2
