560SL (107.048) V8-5.6L (117.967) (1989)
Air Injection Pump: Specifications
Air Injection Pump Belt Size.....................................................................................................................................................................................9.5 X 750
Air Injection Pump Belt Tension (New)..........................................................................................................................................................30 KG (66 lbs.)
Air Injection Pump Belt Tension (Used)...............................................................................................................................................20-25 KG (44-55 lbs.)