3. Loosen the clamp holding the hose and removethe air-cleaner (Figure 30).g034250Figure 301. Bolt 2. Clamp4. Remove the bolts and the plate below the aircleaner.g034251Figure 311. Plate 2. Bolts5. Lubricate the pump-belt idler arm (Figure 28).6. Install the plate and the air cleaner.Lubricating the Caster-WheelHubsService Interval: Yearly1. Shut off the engine, wait for all moving parts tostop, remove the key, and engage the parkingbrake.g006115Figure 321. Seal guard 2. Spacer nut with wrenchflats2. Remove the caster wheel from the caster forks.3. Remove the seal guards from the wheel hub.4. Remove a spacer nut from the axle assembly inthe caster wheel.Note: Thread-locking compound has beenapplied to lock the spacer nuts to the axle.5. Remove the axle (with the other spacer nut stillassembled to it) from the wheel assembly.6. Pry out the seals and inspect the bearings forwear or damage and replace them if necessary.7. Pack the bearings with a general-purposegrease.8. Insert 1 bearing and 1 new seal into the wheel.Note: Replace the seals.9. If both spacer nuts have been removed (orbroken loose) from the axle assembly, apply athread-locking compound to 1 spacer nut andthread it onto the axle with the wrench flatsfacing outward.Note: Do not thread the spacer nut all ofthe way onto the end of the axle. Leaveapproximately 3 mm (1/8 inch) from the outersurface of the spacer nut to the end of the axleinside the nut.10. Insert the assembled nut and axle into the wheelon the side with the new seal and bearing.11. With the open end of the wheel facing up, fillthe area inside the wheel around the axle full ofgeneral-purpose grease.12. Insert the second bearing and new seal into thewheel.13. Apply a thread-locking compound to the secondspacer nut and thread it onto the axle with thewrench flats facing outward.14. Torque the nut to 8 to 9 N∙m (75 to 80 in-lb),loosen the nut, then torque it to 2 to 3 N∙m (20to 25 in-lb).32