Lubrication & Maintenance/500 Hour/12 Month 3. Place torque wrench (C) on belt tensioning tool (B) at 90 ° to tool. Pivot alternator (A) until desired torque is achieved according to specification using the following table. Specification New Belt—Tension 470—650 N (105—145 lb-force) ................................. Used Belt—Tension 400—580 N (90—130 lb-force) .................................. RG11814 –UN–31OCT01 Belt Tension Tool and Torque Wrench 4. While holding tension with torque wrench (B), scribe a reference mark (D) on alternator in line with notch (E) on upper alternator bracket. 5. Continue to hold tension with torque wrench and tighten upper alternator bracket cap screw. 6.
Check position of reference mark to see if alternator moved while tightening. If alternator moved, loosen upper alternator bracket cap screw and repeat the tension adjustment procedure. RG11815 –UN–31OCT01 7. Remove belt tension tool and tighten lower alternator bracket cap screw. Scribe Reference Mark A—Alternator B—Belt Tensioning Tool C—Torque Wrench D—Reference Mark E—Alternator Upper Bracket Notch OUOD002,000016D –19–05JUN02–2/2 30-6 021604 PN=143 JDG1520 Belt Tensioning Tool Torque Table Desired Belt Tension N (lb-force) Applied Torque N•m (lb-ft) 445 (100) 108 (90) 489 (110) 115 (85) 534 (120) 122 (90) 623 (140) 135 (100)