<b><br>[ In The Box ]: </b><br> <br>1 pcs Front Caster Wheel Replacement<br><br> 1 pcs Free Cleaning Brush<br> <b><br>[ Applicable Model ]: </b> 500, 600, 700, 800 and 900 Series. (510 530 535 560 620 650 56708 770 780 880 etc.)<br> <b><br> [ How to replace the Front Caster Wheel ] </b><br> <br> 1.Remove the front caster wheel by pulling firmly.<br> <br> 2.Ensure there is no debris inside the wheel cavity.<br> <br> 3.Push the replacement wheel into the wheel cavity until it clicks into place to re-install it.<br> <b><br> [ How to Clean the Replacement Front Caster Wheel ] :</b><br> <br>If the front caster wheel does not rotate, is squeaking, or falls out, use the following procedure to keep running at peak performance. It is recommended that the front caster wheel is regularly cleaned.<br> <br>Step 1 : Pull firmly on the front caster wheel to remove it from the robot.<br> <br>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.<br> <br>Step 3 :Push firmly to remove the axle and remove it completely from the wheel.<br> <br>Step 4 :Clear any debris or hair wrapped around the axle.<br> <br>Step 5 :Wipe the wheel clean.<br> <br>Step 6:Re-install the axle, ensuring that both sides of the axle snap firmly in place.<br> <br>Step 7 :Re-install the wheel into the housing. <br> <br>Step 8 :Reinstall the front caster wheel into the robot.<br> <b><br>