Maintenance, Service, and RepairTires and WheelsPage 3REPLACE THE REAR TIRE/WHEEL6. Raise the wheel to be replaced off of the groundand support with jack stands.7. Remove the 4 or 5 wheel nuts and remove thewheel.8. Install in reverse order.9. Following the pattern shown on the followingpage, cross tighten the wheel nuts in two stagesas follows:1st stage to approximately 20 ft-lbs.2nd stage to 80-90 ft-lbs.10. Reconnect the main positive and negative cablesat the batteries.11. Lower the wheel to the ground.12. Remove the blocks from behind the wheels.13. Release the parking brake and test drive thevehicle.REPLACE THE FRONT TIRE/WHEELRefer to Front Axle Service for information onremoving the front wheel.1. Make sure the key-switch is in the “OFF”position, then remove the key.2. Place the forward-reverse switch in thecenter “OFF” position.3. Set the park brake.4. Place blocks under the front wheels toprevent vehicle movement.5. Disconnect the main positive andnegative cables at the batteries.REPLACE THE TIRE(PNEUMATIC)NOTE; To replace the tire, the tire/wheel assemblymust be removed from the vehicle. Refer toReplace the Tire/Wheel section forinformation on removing the tire/wheelassembly.Tire replacement should only be performed by personneltrained in tire replacement.The tire replacement procedure will be unique to thetype of replacement equipment being used. Refer to theinstructions provided with your equipment.Always use a new valve stem when replacing a tire.1. Remove the tire from the wheel.2. Cut the old valve stem off of the wheel.3. Remove the valve stem cap from the new valvestem.4. Lubricate the valve stem with liquid soap.5. Install a new valve stem using a valve stem tool.NOTE: The valve stem tool is available at most autorepair shops.6. Install the tire onto the wheel following theinstructions provided with your tire replacementequipment.7. Inflate the tire to the proper pressure and checkfor leaks.8. Install the valve stem cap.Explosion Hazard. Fully deflate the tirebefore attempting to remove the tire fromthe wheel. Do not over inflate the tire whenseating the bead. Failure to deflate the tireor over inflating the tire to seat the beadmay cause explosive failure of the tireresulting in severe bodily injury or death.
