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TM 10-6640-215-13 4-35.  REMOVE/INSTALL CURBSIDE EXHAUST DAMPER MOTOR- continued. c. Grasp motor at lower end and lift away from damper to disengage drive shaft from damper blade, then pull motor down to disengage motor from damper motor latch. d. Carefully pull motor leads from junction box and remove defective motor. INSTALLATION Install Curbside Exhaust Damper Motor.  See figure 4-22. a. Draw electrical leads from new motor through exhaust housing with line previously attached to junction box. Connect leads and fasten cover to junction box with two screws. b. Tilt bottom of motor away from damper.  Engage motor latching lip with damper motor latch and move motor toward damper to engage drive shaft with damper blade. c. Place screen on exhaust housing and fasten in place with eight screws and flat washers. d. Run an operational test to check damper motor. 4-36.  REMOVE/INSTALL COMPONENTS OF AIR SYSTEM. This task covers: a.   Removal c.   Test b.   Installation INITIAL SET-UP: Tools Required General Mechanics Tool Kit, (Appendix B, Section III, Item 2) Multimeter, (Appendix B, Section III, Item I) Materials/Parts Required Teflon Tape, (Appendix E, Section II, Item 157) General Safety Instructions WARNING ELECTRICAL SHOCK Before performing any maintenance actions on electrical equipment, ensure all electrical  power  has  been  turned  off.    Death  or  serious  injury  may  occur  from failure to do this. 4-80


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