Maintenance 7
BA TH412 * 06/2017 * 4512_7-11_Riemen_en.fm
7-47
Checking V-belt tension
Press with your thumb to check whether the V-belt can be
deflected between the pulleys by no more than about 10
mm (Fig. 151).
Tensioning the V-belt
1. Loosen fastening screws 2 of the alternator and set
screw 1 (Fig. 152).
2. Apply pressure to the alternator with a suitable tool
until reaching the correct V-belt tension (
Fig. 152).
3. Hold the alternator in this position and tighten bolts 1
and 2.
Fig. 151
About 10 mm (0.4 in)