ALTROZ SERVICE MANUAL

HVAC 14 engine is passed through a winding tube of the core, a heat exchanger between coolant and cabin air. Fins attached to the core tubes serve to increase surface for heat transfer to air that is forced past them, by a fan, thereby heating the passenger com- partment. 8. COMPRESSOR SPECIFICATION MODEL SD6V12 NO. OF CYLINDER 10 DISPLACEMENT VOLUME 125.1 cm 3 / rev . MINIMUM DISPLACE- MENT 7.5 cm 3 / rev . LUBRICANT SP10 OIL QUANTITY Petrol - 120ml Diesel - 100ml REFRIGERANT R134a The Compressor used in the vehicle is variable dis- placement type. This compressor has two identical scrolls arranged at 180º around a offset center; one of them is fixed (fixed scroll) and the other (orbit scroll) is turned at a constant attitude, so that the space made between the scrolls symmetrically around the rotating shaft moves from outside toward the center while reducing its volume; this is the principle of compression.