TM 5-6115-434-12 a. Time Totalizing Meter (two used system No.  1 and No.  2) (1) Removal.  Tag and disconnect electrical connections to time totalizing meter. Remove meter from panel. (2) Cleaning and inspection. (a) Clean  meter  with  filtered  compressed  air  or  wipe  with  a  clean  rag  moistened  with  an  approved cleaning solvent. (b) Visually inspect meter for corrosion, cracks, damaged threads or other evidence of damage. (3) Installation.  Install in reverse order of removal procedures. b. Panel Lamp Assembly. (1) Removal.    Tag  and  disconnect  electrical  connections  to  lamp  assembly.    Remove  nut  and  washer  from lamp assembly.  Remove lamp assembly from panel. (2) Cleaning and inspection. (a) Clean  lamp  assembly  with  filtered  compressed  air  and  electricians  brush  or  wipe  with  a  clean  rag moistened with an approved cleaning solvent. (b) Visually   inspect   lamp   assembly   for   corrosion,   cracks,   damaged   threads   or   other   evidence   of damage. (3) Installation.  Install in reverse order of removal procedures. c. Compressor Motor Circuit Breaker.  (two used, system No.  1 and No.  2) (1) Removal.  Tag and disconnect electrical connections to circuit breaker.  Remove bar from circuit breaker push buttons.  Remove six screws and six washers from circuit breaker. Remove circuit breaker from panel. (2) Cleaning and inspection. (a) Clean  circuit  breaker  with  filtered  compressed  air  or  wipe  with  a  clean  rag  moistened  with  an approved cleaning solvent. (b) Visually inspect circuit breaker for corrosion, cracks, damaged threads or other evidence of damage. (3) Installation.  Install in reverse order of removal procedures. d. Recirculating Fans and Condenser Fans Circuit Breakers (two of each used, system No. 1 and No.  2) (1) Removal.    Tag  and  disconnect  electrical  connections  to  circuit  breaker.    Remove  four  screws  and  four washers from circuit breaker.  Remove circuit breaker from panel. (2) Cleaning and inspection. (a) Clean  circuit  breaker  with  filtered  compressed  air  or  wipe  with  a  clean  rag  moistened  with  an approved cleaning solvent. (b) Visually inspect circuit breaker for corrosion, cracks, damaged threads or other evidence of damage. (3) Installation.  Install in reverse order of removal procedures. e. Time Totalizing Meter Circuit Breaker (two used, system No.  I1 and No.  2) (1) Removal.  Tag and disconnect electrical connections to circuit breaker.  Remove nut and washer attaching circuit breaker to panel. Remove circuit breaker from panel. (2) Cleaning and inspection. (a) Clean  circuit  breaker  with  filtered  compressed  air  or  wipe  with  a  clean  rag  moistened  with  an approved cleaning solvent. (b) Visually inspect circuit breaker for corrosion, cracks, damaged threads or other evidence of damage. (3) Installation.  Install in reverse order of removal procedures. 3-57.  Environment Control Panel Assembly (fig. 3-17) Warning Electrical power shall be shut off prior to maintenance on electrical components. Note Access to the environment control panel is obtained by removing twenty bolts and twenty washers from the perimeter of the environment control panel cover. a. Thermal Relay (three used). (1) Removal.    Remove  cover  from  electrical  connections  on  thermal  relay.    Tag  and  disconnect  electrical connections and bus bars to thermal relay.  Remove two screws and four washers from thermal relay.  Remove thermal relay from panel. (2) Cleaning and inspection. (a) Clean thermal relay with filtered compressed air or wipe with a clean rag moistened with an approved cleaning solvent. 3-64