Why does my Robot make a horrible clicking sound when starting off and reversing?
A. Check that the Torque ring at the front of the drill motor is turned fully clockwise (maximum) viewed from the wheel end. B. We have also found that after some use the motor and gearbox screws can vibrate loose. Remove the top plastic drill casing to expose the motor. Check the motor is still firmly attached to the gearbox. If not, take out the motor and gearbox, select the torque ring to Minimum torque. Remove the three gearbox screws. Separate the motor from the gearbox (small central pinion will come out of gearbox. Tighten the two small screws attaching the motor to the gearbox plate. (Put a drop of superglue on the threads before reinserting them) Replace the motor and gearbox plate. Insert the three gearbox screws (with a drop of superglue). Replace the motor and gearbox in the lower plastic casing and refit the top plastic casing.
