Quantcast Testing - TM-5-4120-361-14_70

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Figure  4-16. Heater relays, evaporator fan motor high speed relay,
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TM-5-4120-361-14 Air Conditioner Vertical Compact 18 000 BTU/HR 208 Volts 3 Phase 50/60 Hz (Model 18K 208 3 60) Manual
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Rectifier and Capacitors
TM 5-4120-361-14 (ii) Refer to figure 4-10 and install the junction box. (6) Condenser Fan Motor High Speed Relay. (a) Testing. Check for loose connections and cracked or broken cas- ing. Check for continuity with a multi- meter. If no continuity exists or if the casing is cracked or broken, replace the relay. (b) Removal. (i) Refer to figure 4-10 and remove the junction box. (ii) Refer to figure 4-16 and remove the condenser high speed relay. (c)  Installation. install install Relay. connect (i) Refer to figure 4-16 and the condenser high speed relay. (ii) Refer to figure 4-10 and the  junction  box. (7) Condenser Fan Motor Low Speed (a)  Testing. Check for loose ions and cracked or broken cas- ing. Check for continuity with a multi- meter. If no continuity exists, or if the casing is cracked or broken, replace the relay. (b) Removal. (i) Refer to figure 4-10 and remove the junction box. (ii) Refer to figure 4-16 and remove the condenser low speed relay. (c)  Installation. (i) Refer to figure 4-16 and install the condenser low speed relay. (ii) Refer to figure 4-10 and install the junction box. (8)  Compressor  Relay. (a) Testing. Check for loose connections and cracked or broken cas- ing. Check for continuity with a multi- meter. If no continuity exists or if the casing is cracked or broken, replace the relay. (b) Removal. (i) Refer to figure 4-10 and remove the junction box. (ii) Refer to figure 4-16 and remove the compressor relay. (c)  Installation. (i) Refer to figure 4-16 and install the compressor relay. (ii) Refer to figure 4-10 and install the junction box. (9)  Terminal  Boards. (a) Testing. Check for loose connections, loose mounting or cracked or broken casing; replace if defective. (b) Removal. (i) Refer to figure 4-10 and remove the junction box. (ii) Refer to figure 4-16 and remove the terminal boards. (c)  Installation. (i) Refer to figure 4-16 and install the terminal boards. (ii) Refer to figure 4-10 and install the junction box. 4-28. Transformer and Resistor. a. Removal. (1) Refer to figure 4-10 and re- move the junction box. (2) Refer to figure 4-17 and re- move the transformer and resistor. Re- move resistor from transformer if either is faulty when tested as follows: b. Testing. (1) Refer to wiring diagram (fig- ure 1-5) and use a multimeter to test the transformer for continuity through both the primary winding and the secon- dary  winding. If no continuity exists through either winding, replace the transformer. 4-26

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