TM 9-2350-261-20-2 Subject,  Page Subject,  Page C  (cont) Compartment  (cont): Fuel, drain, M125A2, M106A2, 6-77 Fuel, drain, M1068, 6-50 Fuel  access  cover  and  drain  plug: Fuel  access  cover  M1068,  replace,  6-57 Replace,  M125A2,  M106A2,  6-79 Ventilator,  rear,  air,  replace,  24-117 Compressor assembly, air, M1059, replace, 40-19 Control  box: Engine  coolant  heater: Repair,  32-42 Replace,  32-42 Heater,  M3  NBC,  M106A2,  M125A2,  replace, 39-57 replace,  39-25 Heater, M3 NBC, M577A2, Heater, M3 NBC, M1068, replace, 39-70 Personnel  heater: Repair,  29-43 Replace,  29-42 Control linkage, trim vane: Repair,  24-13 Replace,  24-14 Control  panel  to  adapter  access  plate  electrical cable  assembly,  M1059,  40-16 Control  valve,  fire  extinguisher  and  external handle,  replace,  42-5 Conversion  formula,  use  of  torque  wrench adapters  and  the,  2-29 Cooling  system: Drain, 8-3 Flow diagram, 8-2 Hoses  and  fittings,  all  except  M106A2, M125A2, 32-34 Hoses  and  fittings,  M106A2,  M125A2, replace,  32-27 Pump  elbow  hose  and  tube,  radiator  outlet elbow  to,  replace,  8-14 Pump,  engine,  replace,  8-11 Pump  to  coolant  heater  wiring  harness, replace,  32-43 Tube,   deaeration   elbow-to-radiator   elbow inlet,  replace,  8-12 Coolant   heater: Control  box: Repair,  32-42 Replace,  32-42 Exhaust  elbow  and  pipes,  replace,  32-41 Fuel  pump: C  (cont) Coolant  heater  (cont): Fuel  pump  (cont): Replace, M113A2, M901A1, M1059, 32-12 Replace,  M106A2,  M125A2,  32-14 Replace,  M577A2,  M1068,  32-16 Malfunctions,  3-217 Pump, replace, 32-51 Fuel  pump  to  bulkhead  connection: Replace, M113A2, M1059, M901A1, 32-18 Hose, replace, M577A2, M1068, 32-20 Hose, replace, M106A2, M125A2, 32-21 Replace,  32-49 System,  engine,  drain  and  fill,  32-10 Coolant  heater  and  pump  unit,  replace,  32-45 Coolant  pump,  engine,  idler  pulley/belts,  replace, 8-9 Coolant system: Drain,  8-3 Fill, 8-5 Coolant  temperature  malfunctions,  3-144 Engine  heater  kit  M1068,  32-1 Cooling  fan  assembly,  replace,  13-44 Cover: Antenna, replace, 24-241 Access: Battery, M577A2, remove/install, 13-6 Battery, M1068, remove/install, 13-16 Battery, and leads, M113A2, M901A1, M1059, replace, 13-3 Fan drive pulley, and, replace, 8-41 Fuel  compartment,  M125A2,  M106A2, replace,  6-79 Fuel tank, M577A2, M1068, replace, 6-73 Fuel tank, and drain plugs, M981, M1064, replace,  6-31 Hull, front, replace, 24-24 Power  plant,  bottom,  replace,  24-32 Air cleaner, replace, 7-5 Battery box, M113A2, M901A1, M1059, repair,  13-20 Cargo hatch, replace, M113A2, M901A1, M1059, 24-103 Combat,  filler  and  lock: Replace, M113A2, M1059, M577A2, M901A1,  6-7 Replace, M981, M1064, 6-29 Replace,  8-33 Commander’s  cupola,  M113A2,  M106A2, M1064  M125A2,  replace,  24-86 Index 6 Change 4