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Peterson Engineering Buck's Drive Tune-Up


Price: $39.99



If your 7", 8", 10" or 12" Meade LX200GPS was manufactured after August 2005 it already has precision brass transfer gears in the drive train, and you are already getting about 50% of the benefit that older GPS scopes with molded plastic transfer gears get when upgrading to Buck''''s'' Gears.

This tune-up kit further increases the precision of your drives through a series of adjustments that Meade''''s'' assembly line did not take the time to optimize or simply cannot make. No one step will take your scope all the way to 1 or 2 arc-second tracking performance, but this tune-up is the largest single mechanical step that you can take in this direction.

Installation of this kit will:

  • Improve the drive precision in both RA and DEC drives, reducing or eliminating transfer gear backlash.
  • Correct other misaligned drive components, improving drive precision and eliminating the chance of incurring drive damage due to this misalignment.
  • Eliminate the tendency of the gears to loosen on their axle, due to use of a larger securing bolt capable of much higher locking torque.

The kit consists of detailed step-by-step photo illustrated instructions for the declination and the azimuth drives, plus special gear grease, wrenches and parts to correct those scopes where the gears do not mesh closely but are only touching tooth tip to tooth tip in a cogging kind of action.

Although the instructions provided are crystal clear, this tune-up is slightly more complex than the installation of the EZ Focus kit or the EZ Balance kit. If you had trouble with either of our other kits, or if you consider yourself to be a klutz, please either do not buy this kit or arrange for someone else to perform the tune-up for you.





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