Section X: MAINTENANCE OF FRESH AIR VENT DAMPER AND CONTROL

TM 5-4120-352-14

(1) Connect each piece of tubing to tee wigh

(2) Inspect tubing for spoit or deteriorated

condition. Inspect tee for cracks. Replace defective

hose clamps.

parts.

(2) Connect tubing to drain connections with

c. Installation. Refer to figure 4-6 and install

hose clamps.

drain tubing as follows:

Figure 4-6. Evaporator drain tubing.

M A I N T E N A N C E OF FRESH AIR VENT DAMPER AND CONTROL

Section X.

4-27. Adjustment.

4-26. General.

a. The wire core of the push-pull control is at-

The vent damper opens and closes the fresh air

tached to the actuator (fig. 4-7) and to the rod on top

inlet passage. It is opened and closed by a push-pull

of the vent damper (fig. 4-8) by a mechanical post.

type control attached to the damper and to an actu-

To change the adjustment at either end, loosen the

4-17