XJ-12 (X300) V12-6.0L (1995)
Drive Belt: Adjustments
Drive Belt, Alternator
Generator/Water Pump Drive Belt
Burroughs method: new belt 775 N. If in-service tension falls below 230 N, reset at 400 N.
Clavis method: new belt 182 to 188 Hz. If the in-service tension falls below 119 Hz, reset at 137 to 143 Hz. (Measuring point: mid-way between
generator pulleys).