24. SERVICE PROCEDURE FAN DRIVE BELT - REMOVE Loosen the idler pulley shaft locknut. Turn the adjusting screw counterclockwise to release tension, and remove the belt. 24.5.7 CHECK ALTERNATOR AND WATER PUMP BELT TENSION, ADJUST CHECKING TENSION Use belt tension gauge to measure the belt tension. Loosen the adjusting screw locknut a . Loosen the adjusting link capscrew b . (2 places) Loosen the pivot capscrew and nut c . Turn the adjusting screw d clockwise to increase the belt tension. Belt Tension N lbf 670 New 150 270 to 530 Used 60 to 120 Tighten the adjusting screw locknut a against the retainer. Tighten adjusting link locknuts b . Torque Value:
80 N•m [60 ft-lb] Tighten the pivot capscrew c and nut c . Torque Value: 47 N•m [35 ft-lb] ALTERNATOR BELT - REMOVAL Loosen the adjusting screw locknut a . Loosen the adjusting link capscrew b . Loosen the pivot capscrew and nut c . Turn the adjusting screw d to release tension, and remove the belt. PC450-ENG 3-59