text: I typically put machines on the site on Sundays at 9 am central time. They sell out fast, so check your world clock for Chicago time and set an alarm.
  What can I expect when purchasing & shipping internationally?
  When purchasing out side the United States full value will be declared. The customer is responsible for all duties and taxes charged at customs. Please have all your paperwork in order before completing purchase. Orders are shipped with UPS and usually require a signature.
  How do I get my machine fixed?
  Please fill out a repair form on the website. Turn around time is typically 2 weeks when proper paperwork is provided. Repair prices are based on cost of shipping, parts, and labor. Shop rate is $150/hr. Repairs are based on 45 min to 1 hour collective time involved. (including emailing, packaging, & miscellaneous logistics) Parts: Most repairs consist of $50 of parts replacements & updates. **V5-V6 Sidewinders, Swingliners, & DMCs are an additional $50 if a motor needs to be replaced. Shipping charges: USA - $25, Canada - $50, All other countries - $65. *For original owners with proof of purchase* There is a one year limited warranty for manufactures defects only. (shipping charges may apply)
  What parts might need to be replaced?
  In most cases, it's the bearing that goes bad first. Usually this is caused by putting sterilants on the machine. If using sterilants, keep them away from all moving parts. Sterilants are very corrosive and will ruin the lube in the bearings and destroy the electrical components. Do not lube the bearings, and especially not the motor. The bearings in the motors and on the machine are grease lubricated and oil will work against the grease.
  How should I clean my machine?
  It is best to use diluted ammonia or a light rubbing alcohol, but please keep it away from the bearings and all electrical components. Never spray the machine down with sterilants! It is best to treat your machine with respect, and not get it dirty. If ink starts sucking up the tube, you either have a bad solder on the needle or not a proper bend. Fix the issue before it gets all over the bearings.
  Trouble shooting
  Surging Motor/Speed Fluctuation
  1. Bad clip cord
  2. Loose motor. The motors are grounded to themselves, and if the motor isn't snug in the frame the current will be interrupted, causing speed fluctuations. BE CAREFUL NOT TO OVER TIGHTEN THE MOTOR! Usually 1/4 turn past snug is more than enough. Depending on the model of machine, the motor may be positioned to be more prone to getting crushed. I have since solved these issues, but cannot change the past.
  3. Bad bearing
  4. Cam or moving part rubbing on the frame.
  5. Pivot points are out of tolerance, and binding up the up & down action. *this is something that will need to be fixed by filling out a repair form and sending in the machine.
  6. Solder on motor has broken loose.
  7. Damaged/contaminated bearing in motor. *In most cases, it's usually something else & not a bad motor; however, if the machine is ran for an extended period of time with an unresolved problem, it will end up damaging the motor.
  For more information:
   Tuning & Trouble shooting
   Maintenance & Service
   Care Sheets
  Help
  Frequently Asked Questions
  Tuning and Trouble Shooting
  Maintenance & Service
  DK Rotatry
  Machines are posted on Sundays between 9a.m. and 12p.m. CST. Check your world clock for Chicago time.
  When purchasing outside the US from this site full value will be declared. Customer is responsible for all duties and taxes charged at customs. Please have all your paperwork in order before completing purchase.
  © DK Rotary 2021
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  INTERNATIONAL SHIPPING
  When purchasing outside the US from this site full value will be declared. Customers are responsible for all duties and taxes charged by customs and UPS/USPS. Please check with local imports to inquire about possible import and duty fees. You may need to give your tax number to customs.