6 © 2001 6.5 Belt Drives Service and Maintenance Check and change belts only with the engine off. Reinstall V-belt guard, if necessary. Retension V-belt after it has ran for 15 minutes. If one belt locks or is damaged, always replace both belts. The difference of length between the new belts may not exceed 0.15%. 6.5.7 Air compressor model with dual belts © 20 762 2 Undo hex nut 1, remove V-belt pulley half 2, V-belt 3 and inner washer kit 7. Remove inner washers 4, posterior V-belt 3, inner washer kit 6 and pulley half 5. To retension, remove one or more inner washers from kits 6 and 7. Place removed washers in front of or behind pulley half 2 to ensure belt alignments.
Always remove only the same number of washers from each kit. For installation, now proceed in the re- verse order. Whilst tightening the nut 1, turn engine over simultaneously in order to prevent crushing the V-belt. © 20 762 2 © 20 762 2