4-17. REMOVE/lNSTALL ECU DAMPER ASSEMBLY.
This task covers:
General Mechanics Tool Kit, Appendix B, Item 1
All power to laboratory turned off by shutting down the external generator.
General Safety Instructions
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.
Refer to F0-1 Electrical Schematic for electrical disconnections/
Remove the ECU damper assembly. See figure 4-8.
Remove purge port damper assembly. (Paragraph 4-16).
Disconnect damper motor electrically from distribution box and tag for reconnection.
Remove eight screws, lockwashers and flat washers from plenum and remove plenum.
Remove four screws and nuts, and flat washers attaching damper mechanism to plenum
and remove damper mechanism with motor attached from plenum.
Remove damper motor bracket and motor. See figure 4-8.
Loosen setscrew and unsnap linkage from motor and retain.
Remove two screws, lockwashers and flat washers attaching motor to damper motor
bracket and remove motor.
Remove two screws, nuts, lockwashers and flat washers attaching motor bracket to
damper mechanism and remove bracket.