MAINTENANCE 2 Check and Adjust Fan Belt Tension --- every 100 hours (first time after 50 hours) Deflection 5~6 mm 98 N (10 kgf) IMPORTANT: Loose fan belt may result in insufficient bat- tery charging, engine overheating as well as a rapid, abnormal belt wear. Belts that are too tight, however, can damage both bear- ings and belts. 4 3 Visually check the belt for wear. Replace if necessary. Check fan belt tension by depressing the midpoint between fan pulley (3) and alternator pulley (4) with the thumb. Deflection must be A with a depressing force of approximately 98 N (10 kgf, 22 lbf).
Model A ZAXIS400R -3 , 400LCH -3 5 to 6 mm (0.2 to 0.24 in) M1HM-07-001 5 6 If tension is not within specifications, loosen nuts (5) and (7) for the adjusting plate and alternator bracket. Move the alternator by bolt (6) until tension is correct. Tighten the adjusting plate and nuts (5) and (7). NOTE: When a new belt is installed, be sure to re-adjust the tension after operating the engine for 3 to 5 minutes at slow idle speed to be sure that the new belt is seated correctly. 7 M197-07-072 7-68