Fan Speed Switch.

TM 5-4120-339-14

Fan Speed Switch.

WARNING

Disconnect the air conditioner from the electrical power before removing the fan

speed switch.

(1) Removal. (See figure 3-10.)

(2) Inspection. Refer to figure 3-12 and inspect fan speed switch and related electrical leads for evidence of

damage which could impair serviceability.

(3) Test. (See figure 3-12.)

(4) Replace. Replace fan speed switch if evidence is found of damage which would impair serviceability, or if

any failure occurs during testing.

(5) Installation. (See figure 3-10.)

d. Thermostat.

WARNING

Disconnect the air conditioner from the electrical power before removing the

thermostat.

(1) Removal. (See figure 3-10.)

(2) Inspection. Inspect thermostat, capillary tube, temperature sensing bulb and thermostat electrical leads

for evidence of damage which would impair serviceability.

(3) Test. (See figure 3-12.)

(4) Replace. Replace thermostat if evidence is found of damage which would impair serviceability, or if any

failure occurs during testing.

(5) Installation. (See figure 3-10.)

e. Junction Box.

WARNING

Disconnect the air conditioner from the electrical power before removing the

junction box.

(1) Removal. (See figure 3-13.)

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