(1)  Compressor  circuit  breaker. TM  5-4120-361-14 the  capil lary tube is damaged, replace the temperature control switch. if knob is loose, tighten set screw. If knob is defective, replace. (a) Removal. (i) Refer to figure 4-10 and remove the control module. (b) Removal. (ii) Refer to figure 4-11 and remove the compressor circuit breaker. The pin assembly must be removed first before removing circuit breaker. (i) Refer to figure 4-10 and remove the control module. (ii) Refer to figure 4-13 and remove the temperature control switch. (b) Installation. (i) Refer to figure 4-11 and install the compressor circuit breaker. (c)  Installation. (i) Refer to figure 4-13 and install the temperature control switch. (ii) Refer to figure 4-10 and install the control module. (ii) Refer to figure 4-10 and install the control module. (2) Mode Selector Switch (Rotary) is an electrical switch that can be man- ually positioned to select the desired operational mode of air conditioner. Refer to para 2-2c. (4) Evaporator Fan Speed Switch. (a) Testing. Check for loose connections, mountings, and cracked or broken  casing. Check for continuity with a multimeter. If no continuity ex- ists, or if the casing is broken or cracked, replace switch. (a) Testing. Check for loose connections, loose control knob and cracked or broken casing. Check for continuity with a multimeter. If no continuity exists with switch in either one of the four “ON” positions, or if the casing is broken or cracked, replace the mode selector switch. If knob is loose, tighten set screw. If knob is defective, replace. (b) Removal. (i) Refer to figure 4-10 and remove the control module. (ii) Refer to figure 4-14 and remove the evaporator fan speed switch. (b) Removal. (c)  Installation. (i) Refer to figure 4-10 and remove the control module. (i) Refer to figure 4-14 and install the evaporator fan speed switch. (ii) Refer to figure 4-12 and remove the mode selector switch. (ii) Refer to figure 4-10 and install the control module. (c)  Installation. (5) Control Circuit Breaker. (i) Refer to figure 4-12 and install the selector switch. (a) Testing. Check for loose connections, mountings, and cracked or broken  casing. Check for continuity with a multimeter. If no continuity exists, or if the casing is broken or cracked, replace the circuit breaker. (ii) Refer to figure 4-10 and install the control module. (3) Temperature Control Switch. (a) Testing. Check for loose connections, loose control knob, cracked or broken casing, and kinked or broken capillary  tube. Refer to wiring diagram (figure 1-5) and make a continuity check. If no continuity exists when in the cooling mode and the thermostat tem- perature is above its set point or if (b) Removal. (i) Refer to figure 4-10 and remove the control module. (ii) Refer to figure 4-14 and remove the control circuit breaker. 4-21