TM 5-3810-207-20/TO 36C23-3-37-12 Figure 106.  Radiator shutter, removal and installation. (3) Inspect the heater for proper operation. (4) Replace  or  repair  mounting  hardware  as necessary. (5) Replace a defective heater as necessary. c. Installation. (1) Install    the    crane    heater    assembly    as illustrated on figure 107. (2) Install the control box cover. 185. Resistor, Filter, and Terminal Block a. Removal. (1) Remove the control box cover. (2) Remove  the  resistor,  filter,  and  terminal block as instructed on figure 108. b. Cleaning and Inspection. (1) Clean all parts with an approved cleaning solution and dry thoroughly. (2) Inspect  all  parts  for  bends  and  other  damage. Replace damaged parts as necessary. c. Installation. (1) Install   the   resistor,   filter,   and   terminal block as illustrated on figure 108. (2) Install the control box cover. 186. Igniter, Relay, Limit Switch, Valve, and Microswitch a. Removal. (1) Remove the crane heater (par.  184). (2) Remove   the   igniter,   relay,   limit   switch, valve,  and  microswitch  as  instructed  on figure 109. b. Cleaning and Inspection. (1) Clean all parts with an approved cleaning solvent and dry thoroughly. (2) Inspect  all  parts  for  bends,  breaks,  and other damage. Replace or repair damaged parts as necessary. c. Installation. (1) Install    the    igniter,    relay,    limit    switch, valve,  and  microswitch  as  illustrated  on figure 109. (2) Install the crane heater (par.  184). 187. Fuel Pump and Filter a. Removal.    Remove  the  fuel  pump  and  filter  as instructed on figure 110. b. Cleaning and Inspection. (1) Clean all parts with an approved cleaning solvent and dry thoroughly. (2) Inspect all mounting hardware for damage.      Replace   damaged   mounting hardware as necessary. (3) Inspect   the   fuel   pumps   and   filters   for breaks, bends, and other damage. Replace  or  repair  fuel  pumps  and  filters as necessary. (4) Inspect the fuel pump for proper 6peration.        Replace    a    defective    fuel pump. c. Installation.    Install  the  fuel  pump  and  filter  as illustrated on figure 110. 188. Hoses and Clamps a. Removal.        Remove    the    heater    hoses    and clamps as instructed on figure 111. b. Cleaning, Inspection, and Repair. (1) Clean all parts with a cloth dampened with an   approved   cleaning   solvent   and   dry thoroughly. 148