4. The actuating arm and alternate air door can be removed as follows:
A . Make note of where and the amount of washers used, and remove the hinge bolt from the actuating
arm.
B. If the alternate air door doesn't close properly but moves freely the spring may need to be
replaced. The door must be removed to replace the spring or the door. To remove the doors drill
out the rivets and remove door and spacer.
5. When replacing door remember to use the spacer between the hinge and box wall.
6 . Replace all assemblies in the reverse of the removal and make sure to use appropriate replaceable hardware.
COMPRESSOR TO CARBURETOR INTAKE ASSEMBLY.
The relief valve in the intake duct between the compressor and carburetor is a sealed unit. For information
on intake rigging refer to Lycoming information.
PIPER AIRCRAFT
PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
— END —
3E19
71-63-03
Page 71-21
Revised: May 15, 1989