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Figure 4-8.
b. The control should be adjusted for the center
position between open and closed. The actuator
should then be in the centered position and the rod
on top of the damper should be parallel with front
of the housing.
c. Check operation. The control should move
smoothly between the open and closed position.
4-28. Removal
a. Vent Damper. Refer to paragraph 4-21 and
remove the housing covers. Refer to figure 4-8 and
remove vent damper as follows:
(1) Loosen screw on mechanical post and
disconnect push-pull control.
(2) Remove two screws and lock washers and
lift vent darnper from air conditioner.
b. Push-Pull Control. Refer to paragraph 4-18
and remove evaporator louvers. Refer to figures 4-7
and 4-8 and remove push-pull control as follows:
( 1 ) Remove screw, washer, nut, spacer, and
loop clam p.
(2) Loosen screw on mechanical post to free
end of control wire core.
(3) Remove outer nuts from both ends of
control outer casing and remove push-pull control.
c. Vent Control Actuator. Refer to figure 4-7 and
Vent damper.
remove screw. nut, two spring washers and a c -
tuator.
4-29. Cleaning, Inspection and Repair
Clean, inspect and repair vent damper and control
as follows:
a. Wipe off all loose dirt with a dry cloth.
b. Inspect push-pull control for smooth operation
of core in casing. Inspect vent damper for bent or
broken condition, Replace defective parts. Inspect
for loose or damage rubber seal on damper. Cement
loose rubber or replace rubber if damaged. Inspect
actuator for bent condition. Straighten actuator or
replace as required.
4-30. Installation
a. Vent Control Actuator. Refer to figure 4-7 and
install actuator, screw, two spring washers and nut.
b. Vent Damper. Refer to figure 4-8 and install
vent damper in opening in housing. Secure vent
damper cover to housing with two screws and lock
washers.
c. Push-Pull Control. Refer to figures 4-7 and 4-8
and install control as follows:
( 1 ) With one nut on each end of outer casing of
push-pull control, install ends of control through
4-15
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