560SL (107.048) V8-5.6L (117.967) (1989)
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Air Injection Pump: Adjustments
Fig. 64 Air Pump Tension Nut Location
1.
Loosen the mounting bolts for the Air Pump.
2.
Using an appropriate belt tension gauge adjust the V-belt with the tension nut to 30 KG (66 lbs. new), 20-25 KG (44-55 lbs. used).
3.
Tighten the mounting bolts for the Air Pump.
