TM 10-6640-215-13 4-34.  REPAIR PURGE EXHAUST DOOR, CURBSIDE. This task covers: a.   Removal b.   Installation INITIAL SET-UP: Tools Required General Mechanics Tool Kit, (Appendix B, Section III, Item 2) Drill and Bits, (Appendix B, Section II, Item 1) Drill Set, (Appendix B, Section III, Item 1) Hand Blind Riveter, (Appendix B, Section III, Item 3) Materials/Parts Required Gasket, (Appendix F) Adhesive MM-A-1617, Type II, (Appendix E, Section II, Item 3) Rivets, (Appendix F) NOTE Procedures  for  performing  this  task  are  identical  to  those  outlined  in  paragraph  4-29.    Refer  to  that paragraph and Figure 4-18. 4-35.  REMOVE/INSTALL CURBSIDE EXHAUST 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 Curbside Exhaust Damper Motor.  See figure 4-22. a. Inside the laboratory, remove eight screws and flat washers and remove screen from exhaust housing. b. Remove  two  screws  and  cover  from  2"  x  4"  junction  box  located  adjacent  to  exhaust  housing.    Tag  for reconnection and disconnect motor leads.  Attach line to leads to facilitate installation. 4-78