TM 5-3810-207-20/TO 36C23-3-37-12 Figure 113.  Distributor box, removal and installation. (2) Inspect all parts for breaks, damage, and proper    operation.        Replace    or    repair damaged parts as necessary. d. Reassembly.  Reassemble the heater switchbox in  the  reverse  of  the  numerical  sequence  as  illustrated on figure 117. e. Installation.      Install   the   heater   switchbox   as illustrated on figure 116. 194.  Defrosters a. Removal. (1) Remove hoses and clamps (par.  188). (2) Remove defrosters as instructed on figure 118. b. Cleaning, Inspection and Repair. (1) Clean all parts with an approved cleaning solvent and dry thoroughly. (2) Inspect the defroster assembly for bends, breaks,    or    other    damage.        Repair    or replace a defective defroster assembly as necessary. (3) Inspect all mounting hardware for damage.      Replace   damaged   mounting hardware as necessary. c. Installation. (1) Install    the    defrosters    as    illustrated    on figure 118. (2) Install the hoses and clamps (par.  188). 195.  Heater Blower Assembly a. Removal. (1) Remove  the  crane  heater  assembly  (par. 184). (2) Remove the crane heater blower assembly as instructed on figure 119. b. Disassembly.      Disassemble   the   crane   heater blower in the numerical sequence as illustrated on figure 120. c. Cleaning, Inspection, and Repair. (1) Clean      all   parts   with      an      approved cleaning solution and dry thoroughly. (2) Inspect all parts for operation, bends, and other damage. Replace or repair damaged parts, as necessary. d. Reassembly.      Reassemble   the   crane   heater blower in the reverse numerical sequence as illustrated on figure 120. e. Installation. (1) Install  the  crane  heater  blower  assembly as illustrated on figure 119. (2) Install   the   crane   heater   assembly   (par. 184). 196.  Cab Heater Wiring Harness Repair a. Inspection.  Inspect the crane cab heater wiring harness  for  breaks,  burned  insulation,  bare  wire,  and damaged connectors. b. Repair.    Use  an  approved  method  to  remove damaged  wire  as  necessary.    Replace  with  a  suitable length  and  type  of  wire  using  an  approved  method  of connecting  broken,  cut,  or  damaged  wires;  connect  the wires  and  insulate  the  wires  and  connections  with  an approved     insulating     material.          Replace     damaged connectors as necessary. 155