TM 10-6640-215-13 4-30.  REMOVE/INSTALL PURGE INTAKE DOOR DAMPER MOTOR. This task covers: a.  Removal b.  Installation INITIAL SET-UP: Tools Required General Mechanics Tool Kit, (Appendix B, Section II, 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 Intake Door Damper Motor.  See figure 4-19. a. Open purge intake door. b. Remove two retaining nuts and flat washers and lift purge door limit switch with mounting bracket attached, clear of filter screen. c. At  2"  x  4"  junction  box  located  on  ECU  plenum,  remove  two  screws  and  cover.    Disconnect  three  leads  from damper motor and tag for reconnection.  Attach line to leads to facilitate installation. d. Remove four retaining screws with flat washers and remove screen and filter. e. Remove  fourteen  screws  and  flat  washers  from  damper  enclosure  flange  and  remove  enclosure  with  frame, damper and motor.  Carefully pull motor leads from junction box and through conduit until they are clear. f. Remove two screws, flat washers, lock washer and nuts attaching motor linkage to damper blade. g. Remove two screws, lock washer, and flat washer attaching motor to mounting plate and remove defective motor with linkage. h. Unclip linkage and remove from defective motor. 4-69