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AIR CONDITIONING 26. Release the nuts and remove the bracket from expansion valve and high pressure pipe underneath the evaporator casing. Place valve on bench and unscrew the high 27. Remove the wire clip and detach the dump pressure pipe from the expansion valve. valve located underneath. 46. Seal and cap all apertures; discard all ' O ' 28. Release the seven self tapping screws rings which are renewed on assembly. securing the outlet duct and carefully break 47. Reverse procedures 11 to 46 noting that all 29. Remove the fifteen screws located around the threads, unions, ' O ' rings are coated with cover seam. Remove the old sealing refrigerant oil prior to fitting. compound from the body and top cover. the top of the cover. screws adjacent to the low pressure pipe Evaporator Matrix or Expansion Valve 6 to 10 moulding. and then charge the air conditioning system as 32. At the side of the unit remove the two screws previously described with Refrigerant 12. adjacent to the air intake aperture. 33. Lift the top cover off whilst feeding the blower RESISTOR BLOCK motor wiring and air control flap rod through their respective apertures, thus exposing the Removal blower motor, heater matrix and air conditioning evaporator matrix. 1. Disconnect the battery. Refitting 30. Remove the four screws and four nuts from NOTE: Depending upon which unit has been 31. From the front of the unit remove the two Heater Matrix or Blower Motor 3 to 5 refitted reverse the appropriate procedures: 2. Detach the electrical connector from the. 3. Withdraw the relay module from it's socket. socket, fuse holder and resistor block. Blower motor unit removal only 34. Remove the screws retaining the motor unit to 4. Remove the screws securing relay module the casing. 35. Release the three bracket retaining screws 5. Move fuse holder and relay module socket and withdraw motor and impeller. aside and lift resistor block clear of the 36. Detach the star washer. spring clip and evaporator. impeller. 37. Remove the two nuts from the motor shroud and lift clear. Heater/Evaporator matrices removal only 38. Lift the support plate and insulation pad from the matrix. three screws adjacent to the dump valve to the screws next to the heater pipes. 40. Lift the evaporator and heater matrices together with the supporting frame containing of the casing. 41. Detach the evaporator matrix by releasing the four screws, two at both ends of the support bracket. 42. Detach the heater matrix by removing the self-tapping screw. 39. From the bottom of the casing, remove the Refitting Expansion valve removal 6. To refit the resistor block, reverse the removal 43. Support the suction pipe union with suitable procedure. spanners and release. 44. Remove the bleed pipe retaining nut from the suction pipe. 45. Remove the spring clip retaining the expansion valve sensor pipe to the main pipe which now releases the 22 REISSUED: FEB 1993 |