Drain Tubes.

TM 5-4120-355-14

b. Testindg Refer to para 4-40 and test with halide torch refrigerant leaks.

inspection and cleaning.

(1) Inspect coil for bent fins, cracks, or breaks. Solder any cracks. Straighten bent fins with coil comb or thin

nose pliers.

(2) Clean coil with low pressure compressed air.

4-51. Drain Tubes.

e. Removal.

(1) Remove front panel access panel, para 4-15.

(2) Pull out junction box and control box, refer to paras 4-24 and 4-28.

(3) Unscrew clamps holding drain tubes to unit and remove drain tubes, figure 4-7.

b. Inspection and Servicing.

(1) Inspect tubas for obstructions, kinks, or holes.

(2) Install junction box and control box, paras 4-24 and 4-26.

(3) Install front access panel, para 4-15.

4-52. Air Filter.

a. Rernoval. Refer to figure 3-2 and remove air filter.

b. Installation. Refer to figure 3-2 and install air filter.

4-28