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Control Box for John Gardener Earth Drill — zdjęcie 1
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Control Box for John Gardener Earth Drill

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Replacement for the plastic control box and throttle lever. For John Gardener gas-powered Earth Drill, Model TF-DZ4901

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Źródło
Printables
Kategoria
Tools
Licencja
Creative Commons — Public Domain

The throttle lever of my gas-powered earth drill broke off. Also, the attachment screw to the handle wore out. After trying several quick-fixes, I designed a new one with some improvements:

  • Throttle handle with long screw (3.5x40mm) to prevent breaking

  • Switch insert with lid, so no soldering required

  • 2 slots for cable ties to connect control box to the handle

  • some reinforcements to mak part more stable

Printed on a Prusa MK3.5S with PETG, 40% infill, with supports.

Assembly instructions:

  • Take apart the original control box, you will need the metal parts

  • carefully screw in a screw 3.5x40mm into the lever

  • attach the lever to the body, use bolt/tension ring/spring exactly like original

  • attach throttle cable, exactly like original

  • tighten the cable sleve with screw and hex nut, like original

  • insert switch and attach lid carefully with 4x 3.0x15mm screws

  • push cable ties (I used 2.5x160mm) into slots and attach to handle