This Task Covers:
Tool kit, general mechanics
Riveter, blind hand
Air conditioner off
Adapter end cover removed, if applicable
Supply Duct Adapter.
1. Remove four screws (1), four lockwashers (2), four flat washers (3), and two retainers (4).
2. Remove supply insulation blanket (5).
4. Remove supply duct adapter (8).
Return Duct Adapter.
1. Remove return insulation blanket (1).
2. Remove six screws (2) and six lockwashers (3).
3. Remove two screws (4) and two lockwashers (5).
4. Remove return duct adapter (6).
5. Remove return air filter, refer to paragraph 4-32. Service or replace as required.