Coolant Lines For Air Compressor
(16) Coolant supply line (17) Coolant return line (18) Air compressor.
If the engine is equipped with an air compressor, coolant is supplied from the water temperature regulator housing to air compressor (18) through coolant supply line (16) and is circulated through the air compressor and is returned to the cooling system through coolant return line (17) into the water temperature regulator housing (2).