There are times when the Gold Knob may not be able to properly adjust the drum's position and regardless as to how you adjust it there will be rubbing noises that cannot be resolved. There are a few things you can do. Begin by removing the drum. With the drum out of the roasting chamber check the following possibilities:
1) Examine the heating element. It may be warped or bent so that it contacts the roasting drum. Check the position of the element and look for evidence of rubbing on the drum as well as on the heating element itself. If it is contacting the drum carefully bend it back into position. The ideal position is parallel to the Roasting Chamber Wall throughout its length. Check THIS PAGE for more details on how to align the heating Element.
If the element is warped, oddly bent, or twisted in such a way that it cannot be aligned it will need to be replaced. Contact Hottop to order a replacement heating element, and refer to THIS PAGE for the replacement procedure.
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2a) Examine the Bearing Plate. If there are scrape marks on the inside face of the bearing Plate, particularly if the scraping marks are in the metal, the drum is located too far towards the front of the chamber. This sort of misalignment can occur if you drop the drum or if you have received a replacement drum, since the drums are aligned individually at the factory to fit the machine into which they are being installed. Here is the procedure to deal with this sort of misalignment:
Hold the drum in the air in one hand. Doing this over a bed, sofa, stuffed chair, or other soft surface is recommended just in case the drum slips out of your hand. Do not place the drum on a fixed surface. If you have difficulty holding onto the drum, have another person hold the drum for you when following this procedure. Use a non-marring hammer and gently tap straight downward on the end of the Drum's shaft at the rear of the drum three or four times. You are trying to move the shaft towards the front of the drum so that the drum is moved towards the rear relative to the shaft. BE GENTLE! You are only trying to move the shaft one or two millimeters! Replace the drum, reassemble the machine, and test to see if still rubs. You may need to repeat this adjustment a few times to get the proper alignment.
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2b) Examine back wall inside the roasting chamber. If there are scrape marks on the wall, particularly if the marks are in the metal, the drum is located too far towards the rear of the chamber. This sort of misalignment can occur if you drop the drum or if you have received a replacement drum since the drums are aligned individually at the factory to fit the machine into which they are being installed. Here is the procedure to deal with this sort of misalignment:
Use a non-marring hammer and gently tap the Drum's shaft at the FRONT of the drum three or four times using the same procedure as in Step 2a above. You are trying to move the shaft towards the REAR of the drum so that the drum is moved FORWARD relative to the shaft. BE GENTLE! You are only trying to move the shaft one or two millimeters! Replace the drum, reassemble the machine, and test to see if still rubs. You may need to repeat this adjustment a few times to get the proper alignment.
4) Examine the contact area where the Roasting Drum's axle mounts in the Front bearing Plate. If it appears dirty or rough, clean the end of the shaft as well as the dimple where the shaft mounts with an abrasive cleaning pad (Scotchbrite or similar works well). If the Bearing Plate is badly worn or is showing deep scratches or grooves indicating excessive wear, replace the Bearing Plate.
If one of the above solutions does not resolve the problem, please contact us for assistance.
Repair Procedure