TM 9--2350--292--20--10140 00--2PERSONNEL HEATER FAILS TO OPERATE PROPERLY -- CONTINUED0140 00DIs continuity present?CONTINUED FROM STEP CnoyesCONTINUED ON NEXT PAGE1. Disconnect harness 3W142 lead 400/459Bfrom 30--amp circuit breaker.2. Place one multimeter lead on each circuitbreaker connector. Check for continuity.Replace circuit breaker (WP 0270 00).Verify fault is corrected.EIs 24 V dc present at both checks?noyes1. Reconnect harness 3W218 lead 400 andharness 3W142 lead 400/459B to 30--ampcircuit breaker.2. Disconnect harness 3W142 P1 from bulkheaddisconnect.3. Place multimeter red lead in harness 3W142P1 sockets F and G (one at a time) whileholding black lead to ground. Check forvoltage.Repair (WP 0290 00) orreplace (WP 0294 00)harness 3W142. Verifyfault is corrected.Repair (WP 0290 00) orreplace (WP 0324 00)harness 4W127. Verifyfault is corrected.FIs 24 V dc present?CONTINUED FROM STEP Bnoyes1. Reconnect harness 4W127 lead 400 to heatercontrol box.2. Open heater control box and disconnect lead 400from 20--amp circuit breaker.3. Place multimeter red lead on lead 400 connectorand black lead to ground. Check for voltage.Repair (WP 0290 00) or replace(WP 0248 00) lead 400 fromcontrol box connector to20--amp circuit breaker. Verifyfault is corrected.
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