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TM 10-6640-215-13 4-31.  REMOVE/INSTALL ECU INTAKE DAMPER/MOTOR. This task covers: a.  Removal b.  Installation INITIAL SET-UP: Tools Required General Mechanics Tool Kit, (Appendix B, Section III, Item 2) 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. REMOVAL Remove ECU Intake Damper.  See figure 4-20. a. Loosen eight captive screws and remove screen and filter from ECU intake. b. Remove two screws and cover from junction box located on plenum.  Tag for reconnection and disconnect motor leads.  Attach line to leads to facilitate installation. c. From plenum, remove eight screws, flat washers, and nuts that fasten damper enclosure to plenum. d. From  the  open  junction  box,  remove  flat  lock  nut  from  conduit  and  carefully  remove  damper  and  motor  from plenum. e. Loosen conduit nut and remove conduit from motor. f. Remove two screws, flat washers, lock washer and nuts that attach motor linkage to damper blade. g. Remove  two  screws,  lockwashers,  flat  washers  and  separate  motor  with  linkage  from  damper  motor  mounting plate. h. Detach linkage from defective motor. 4-72


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