Figure 3-26. Disassembly of solenoid valve

TM 5-4120-356-14

(1) Refer to paragraph 3-9 and remove the fabric cover, top panel, air

d i s c h a r g e grille and mist eliminator.

(2) Clean the evaporator coil by brushing with a fiber bristle brush.

(3) After cleaning, reinstall the mist eliminator, air discharge grille,

t o p panel and fabric cover in accordance with paragraph 3-9.

Heater Elements.

(1)

Test.

(a) To gain access to the heater elements, remove fabric cover

a n d top panel assembly in accordance with paragraph 3-9.

(b) With the air conditioner connected to a source of electrical

p o w e r , turn the thermostat knob clockwise to its limit and the selector switch to

"HI-HEAT" position.

(d) Turn selector switch to the "OFF" position.

(e) If any heater elements fails to function properly during. this

test, disconnect electrical power to the air conditioner. Refer to wiring diagram

figure 3-28 and check wiring continuity for the improperly functioning heater element

or elements. Check continuity of heater element. Repair any defective wiring found or

replace defective heater or heaters.

(2) R e p l a c e .