15. REAR WHEEL/AXLE/SUSPENSION/ DRIVING MECHANISM MXU 300/250 Ring Gear Left Shim GEAR TOOTH CONTACT CHECK Clean sealing material off the mating surfaces of the gear case and cover, being careful not to damage them. Keep dust and dirt out of the case and cover. Clean and degrease several teeth on the ring gear and pinion gear, and then apply a coating of machinist's layout dye or paste to several teeth of the pinion gear. Apply coating of machinist's layout dye Install the ring gear with the shims into the gear case. Install the case cover. Right Shim Install and tighten the case cover bolts in 8 mm Bolts 10 mm Bolts several steps until the cover evenly touches the gear case. Then, while rotating the pinion gear, tighten the bolts to the specified torque in a crisscross pattern in several steps. Torque: 10-mm bolt: 49 N-m (5 kgf-m, 36 lbf-ft) 8-mm bolt: 25 N-m (2.6 kgf-m, 19 lbf-ft) It is important to turn the pinion while tightening the bolts. If the ring gear shim is too thick, the gears will lock after only light tightening. 15-30