24. SERVICE PROCEDURE 24.5.4 CHECK FAN BELT TENSION, ADJUST CHECK The belt should normally deflect by about 10 mm (0.39 in) when pressed with the finger (with a force of approx. 6 kg (13 lb)) at i midway between the alternator pulley and crankshaft pulley. a point I ADJUSTMENT Loosen bolts and nuts @ and 0. 1. 2. Move alternator @ with a bar so that the deflection of the belt is about 10 mm (0.39 in) (approx. 6 kg (13 lb)). 3. Tighten bolts and nuts @ and @ to fix alternator @ in position. 4. Check each pulley for damage, wear of the V-groove, and wear of the V-belt. In particular, be sure to check that the V-belt is not touching the bottom of the V-groove. 5.
If the belt is stretched, leaving no allowance for adjustment, or if it is cut or cracked, replace the belt. 6. If the belt has been replaced, operate for one hour, then adjust again. NOTICE Do not push the alternator directly with a bar. Put a wooden block between the bar and the alternator. 3-47