Valtra VALMETSERIES Service Manual Download | Manualshive

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1142

Model

Code

Page

83. Air conditioner

1. 1. 1994

6000--8750

830

8

Picture 6.

The new air conditioner

4. Expansion valve

5. Evaporator. At the rear of the evaporator there is the recircu-

lation grille.

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Summary of Contents for VALMETSERIES

Page 1: ...VALTRA VALMET MEGA MEZZO HI TEC WORKSHOP MANUAL...

Page 2: ...ower transmission Brake system Steering sys tem and Front axle Frame and Wheels Tools Cab and Shields Hydraulics Valtra Inc 44200 Suolahti Finland Groups 10 100 General Engine Electrical system 40 50...

Page 3: ...tions 1 Maintenance 1 Drier container 2 1 Fault tracing without special equipment A Correct function 3 B Refrigerant filling and moisture in system 3 C Electrical system 3 D Compressor 4 E Expansion v...

Page 4: ...x 24 mm Max revs 7000 r min Lubricating oil if refrigerant R12 Freol DS 83P or Esso 2980 Lubricating oil if refrigerant R134a ZXL 100 PG DH PS Lubricating oil volume 200 cm3 2 0 dl Electro magnetic c...

Page 5: ...Figure 1 Operating principle of air conditioner High pressure side Low pressure side Expansion valve Compressor Condenser Evaporator Heat is trans ferred from cab to refrige rant Heat is trans ferred...

Page 6: ...tuation when the compressor works all the time In order to achieve a certain cooling effect the compressor has to keep a certain pressure in the evaporator outlet side An evaporation temperature of Fr...

Page 7: ...tches the compressor off and on according to the required cooling effect The com pressor is shown on page 831 9 The expansion valve 4 regulates the amount of refrigerant in the evaporator 5 so that th...

Page 8: ...type plate is marked with the new refrigerant R134a 3 New drier reservoir with new synthetic drying material The drier hasnot aheat fuse The drierreservoir type plate is marked with new refrigerant ty...

Page 9: ...ring housing into the evaporator When the temperature in the evaporator outlet pipe lowers the temperature sensor pulls the diaphragm upwards and the valve ball closes preventing refrigerant from flow...

Page 10: ...1142 Model Code Page 83 Air conditioner 1 1 1994 6000 8750 830 8 Picture 6 The new air conditioner 4 Expansion valve 5 Evaporator At the rear of the evaporator there is the recircu lation grille...

Page 11: ...BUY NOW Then Instant Download the Complete Manual Thank you very much...

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