MAINTENANCE MANUAL - Meritor

Towing InstructionsWARNINGTo prevent serious eye injury, always wear safeeye protection when you perform vehicle maintenanceor service.When transporting a vehicle with the wheels ofone or both drive axles on the road, it is possibleto damage the axles if the wrong procedureis used before transporting begins. Meritorrecommends that you use the following procedure.3. Identify each axle shaft that is removed fromthe axle assembly so they can be installed inthe same location after transporting or repairis completed. Example: Match mark a matingaxle shaft and hub.4. Remove the axle shaft from the axle assembly.Figure 7.1.5. Install a cover over the open end of each hubwhere an axle shaft was removed. This willprevent dirt from entering the bearing cavityand loss of lubricant.Before Towing or Drive-AwayWARNINGEngage the parking brake to prevent the vehiclefrom moving before you begin maintenanceor service procedures that require you to beunder the vehicle. Serious personal injury canresult.1. Apply the vehicle parking brakes using theswitch inside the cab of the vehicle.NOTE:Remove both axle shafts from the axle(s)that will remain on the road when the vehicleis transported.2. Remove the capscrews from the flange of theaxle shafts. Figure 7.1.NOTE:If an air supply will be used for the brakesystem of the transported vehicle, continuewith Steps 6 and 7, otherwise continue withStep 8.6. Connect an auxiliary air supply to the brakesystem of the vehicle that is being transported.Before moving the vehicle, charge thebrake system with the correct amount of airpressure to operate the brakes. See the instructionssupplied by the vehicle manufacturerfor procedures and specifications. If anauxiliary air supply is not used, continue withStep 8.7. When the correct amount of air pressure is inthe brake system, release the parking brakesof the vehicle that is being transported. Step8 is not required.WARNINGWhen you work on a spring chamber, carefullyfollow the service instructions of the chambermanufacturer. Sudden release of a compressedspring can cause serious personal injury.8. If there are spring parking brakes on the axle(s)that will remain on the road when the vehicleis transported, and they cannot be releasedby air pressure, manually compress and lockeach spring so that the brakes are released.See the manufacturer’s instructions.1 - CAPSCREW2 - AXLE SHAFT FLANGE3 - AXLE SHAFT HUBFigure 7.138 MAINTENANCE MANUAL