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Page Title: 4-70. EVAPORATOR MOTOR (B1)
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ARMY TM 9-4120-381-14 NAVY EE-000-CA-MMA-010/7053-AC AIR FORCE TO 35E9-136-31 4-70.  EVAPORATOR MOTOR (B1). This task covers: Inspection Service Removal Testing Installation INITIAL SET-UP: Tools: Tool kit, service, refrigeration unit (Item 1, Appendix B) Crimping tool (pigtail) (Item 10, Appendix B) Lubricating gun (Item 15, Appendix B) Gloves, chemical (Appendix C) Personnel: 1 Materials: Grease aeroshell 22 (Item 2, Appendix E) Rags (Item 12, Appendix E) Equipment Conditions: Disconnect input power to the air conditioner before performing any internal maintenance.  Voltages used can KILL.  Shutting the unit off at the control panel does not disconnect unit power. 1.  Disconnect air conditioner input power at source. 2.  Remove fan belt (para 4-69). INSPECTION 1. Check  motor  (4)  for  rotational  freedom  by  spinning  shaft.    If  there  is  any  stiffness  or  binding,  contact  Direct Support Maintenance (see Figure 4-71). 2. Check motor bearings for shaft end play.  If there is excessive end play, contact Direct Support Maintenance. SERVICE 1. Lubrication.  Lubricate motor (para 4-1). 2. Cleaning.  Use clean dry cloth to remove dirt and grease from motor (4). REMOVAL 1. Remove four screws (2) and J-box cover (3). 2. Tag and disconnect leads. 3. Loosen four locknuts (5) until bolt threads are even with nut. When handling motor, wear gloves to avoid injury to personnel and to reduce fin damage on the coil. 4. Slide motor (4) towards coil and remove. 5. Remove pulley (para 4-68). 6. Remove four locknuts (5), flat washers (6), and two brackets (1). 4-134

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