Alternator

Alternator belt
Deflection with 98 N (10 kgf, 22 lbs.) between pulleys
9.5 - 11.5 (0.37 - 0.45) with used belt
7.0 - 8.0 (0.28 - 0.31) with new belt
Belt tension N (kgf, lbs.) 390 - 590 (40 - 60, 88 - 130) with used belt
Measured with belt tension gauge 780 - 980 (80 - 100, 180 - 220) with new belt

When using a new belt, adjust deflection or tension to new value. Run the engine for 5 minutes then turn it off. Readjust deflection or tension to used belt value.