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Page Title: Figure 4-20. Access to pressure cutout switches
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TM 5-4120-361-14 Figure  4-20. Access to pressure cutout switches (1) Using a multimeter, test for continuity between terminals 1 and 2 of each pressure cutout switch. (2) If continuity is not indi- cated, the pressure cutout switch is de- fective and must be replaced. Report to direct supprt maintenance for replace- ment of defective switch. 4-34. Compressor (See WARNING inside front  cover.) a.  General. The compressor is a hermetically sealed unit and is not reparable. An  inoperative  compressor is usually due to a mechanical failure causing the copressor to freeze, a con- trol failure, or motor burnout. Com- pressor replacement is required in all cases of mechanical or motor burnout. If the motor is defective report to di- rect or general support maintenance. b. Test. (1) Refer to figure 4-4 and remove the condenser cover and top rear cover. (2) Refer to figure 4-9 and remove condenser fan motor and the compressor electrical junction box. (3) Disconnect receptacle connec- tor from compressor junction box and re- move junction box cover. (4) Refer to wiring diagram (fig- ure 1-5) and test for continuity using a multimeter. Lack of continuity indi- cates an open winding. (5) Place one contact of the meter against the compressor housing and the other against the motor terminals, one at a time. If a circuit is indicated, the motor is grounded. 4-35. Condensate Water Drain Tubes. a. General. Refer to paragraph 2-4c(2). b. Removal. (1) Refer to figure 4-1 and remove the evaporator inlet louver. 4-31

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