|Motor makes bad grinding sound.||Bad pinion gear.||For T-Rex with black gearbox: Order replacement gear (Part # H914).|
|For T-Rex with chrome gearbox: Order replacement gear (Part # H129).|
|For T-Rex Jr.: Order replacement gear (Part # H237).|
|Machine bounces when running on carpet.||Loose cleaning head.||Make sure all screws on cleaning head are tight and that the cleaning head is screwed on properly.|
|Power not reaching motor.||Bad speed control board or potentiometer.||If power is going to the E382 speed control board but not reaching the motor, replace board with E397 rectifier.|
|Smoking, sparking, shaking, cycling, noticeably weaker or nonfunctional motor.||Worn motor carbon brushes.|
Replace carbon brushes.
Modified on: Thu, 31 Oct, 2019 at 9:08 AM
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