Quantcast REMOVE/INSTALL MACHINERY ROOM EXHAUST DAMPER MOTOR- continued

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TM 10-6640-215-13 4-33.  REMOVE/INSTALL MACHINERY ROOM EXHAUST DAMPER MOTOR- continued. c. Remove two screws, flat washers, lockwashers, and nuts attaching motor linkage to damper blade. d. Remove  two  screws,  lockwashers,  and  flat  washers  attaching  motor  to  damper  motor  mounting  plate  and remove defective motor with attached motor linkage from damper. e. Remove linkage from defective motor and carefully withdraw motor leads from junction box. INSTALLATION Install Machinery Room Exhaust Damper  ,Motor.  See figure 4-21. a. Attach linkage to new motor and attach motor to damper motor mounting plate with two screws, flat washers, and lockwashers. b. Draw motor leads into 2" x 4" junction box with line previously attached and connect leads.  Place cover on junction box and fasten in place with two screws. c. Attach motor linkage to damper blade with two screws, flat washers, lockwashers, and nuts. d. Place the two screens on exhaust plenum and fasten each one in place with six screws and flat washers. e. Run an operational test to check damper motor. 4-77


 


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