ITEM NAME:1X(Replacement Roomba Wheel Caster For Roomba 980 960 770 780 690 650(500 6T3O9) 1X(Replacement Roomba Wheel Caster For Roomba 980 960 770 780 690 650(500 6T3O9) 1X(How to Clean the Replacement iRobot Roomba Front Caster Wheel: If the front caster wheel does not rotate,is squeaking,or falls out,use the following procedure to keep Roomba running at peak performance.It is recommended that the front caster wheel is regularly cleaned. Color: black+white material: plastic Size: diameter about 4.7cm rod length about 1.9cm Step 1: Pull firmly on the front caster wheel to remove it from the robot. Step 2: Spin the wheel by hand.If rotation is restricted,remove the wheel from its housing and remove debris from inside the wheel cavity. Step 3: Push firmly to remove the axle and remove it completely from the wheel. Step 4: Clear any debris or hair wrapped around the axle. Step 5: Wipe the wheel clean. Step 6: Re-install the axle,ensuring that both sides of the axle snap firmly in place. Step 7: Re-install the wheel into the housing. Step 8: Reinstall the front caster wheel into the robot. Package Contents: 2 * casters 1 * brush)
