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REAR FINAL DRIVE ASSEMBLY RFD-19 C E F G H I J K L M A B RFD ASSEMBLY INSPECTION AND ADJUSTMENT ● Before inspection and adjustment, drain gear oil. Total Preload Torque 1. Secure final drive assembly onto an attachment. 2. Remove side flanges. 3. Rotate drive pinion back and forth 2 to 3 times to check for unusual noise and rotation malfunction. 4. Rotate drive pinion at least 20 times to check for smooth opera- 5. Measure total preload with the preload gauge. NOTE: ● If measured value is out of the specification, disassemble it to Drive Gear Runout 1. Remove rear cover. Refer to RFD-22, "Differential Assembly" 2. Fit a dial indicator to the drive gear back face. 3. Rotate the drive gear to measure runout. ● If the runout is outside of the repair limit, check drive gear CAUTION: Replace drive gear and drive pinion gear as a set. Tool number A: KV38100800 (J-25604-01) Tool number A: ST3127S000 (J-25765-A) Total preload torque: 2.84 - 3.75 N·m (0.29 - 0.38 kg-m, 26 - 33 in-lb) PDIA0766J When the preload torque is large On pinion bearings: Replace the collapsible spacer. On side bearings: Use thinner side bearing adjusting washers by the same amount to RFD-38, "Side Bearing Adjusting Washer" . When the preload is small On pinion bearings: Tighten the drive pinion lock nut. On side bearings: Use thicker side bearing adjusting washers by the same amount to RFD-38, "Side Bearing Adjusting Washer" . Runout limit: 0.05 mm (0.0020 in) SPD886 |