TM9-4120-401-14
FRESH AIR DAMPER AND ACTUATOR.
Replace
This task covers:
INITIAL SETUP
Equipment Conditions
TOOIS
Refrigeration Unit Service Tool Kit
Materials/Parts
Use disconnect switch (NOT POWER
CABLE) to disconnect power to unit.
Self-locking Nuts (2)
Damage to cable connector pins will
result if cable is used.
Lock Washer
Disconnect power at power source.
Lock Washers (3)
Spring Washers (2)
Push On Nut
Replace.
(1) Loosen screw (1) on mechanical post (2) and disconnect push-pull control cable (3).
Remove two screws (4), lock washers (5), and flat washers (6) and lift damper (7) from air conditioner.
(2)
Remove screw (8), lock washer (9), nut (10), spacer(11) and loop clamp (12).
(3)
(4) Loosen screw (13) in actuator pIate blind nut (14) to free end of push-pull control cable (3).
(5) Remove outer nuts (15) from both ends of push-pull control cable (3) and remove cable from unit.
Remove screw (16), self-locking nut (17), two spring washers (18) and actuator plate (19).
(6)
(7) Remove screw (13), push on nut (20), and blind nut (14) from actuator plate (19).
(8) Remove self-locking nut (21), screw (1), mechanical post (2), two sleeve bearings (22), and cover (23)
from damper (7).
Insert blind nut (14) into actuator plate (19) and secure with push on nut (20).
(9)
(10) Install screw (13) into blind nut (14). Do not tighten.
(11) Attach two sleeve bearings (22), cover (23), mechanical post (2), and self-locking nut (21) to
damper (7).
(12) Install screw (1) into mechanical post (2). Do not tighten.
5-10