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Incomplete instructions regarding front-brake installation #1

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ljb2208 opened this issue Mar 21, 2017 · 1 comment
Open

Incomplete instructions regarding front-brake installation #1

ljb2208 opened this issue Mar 21, 2017 · 1 comment

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@ljb2208
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ljb2208 commented Mar 21, 2017

The chassis instructions document does not have complete documentation of the optional front-brake installation. In particular where the brake servo should be placed.

@bgoldfai
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Thanks for catching this! If you're building the platform we'd love to get any major or minor feedback and pictures of your build. For now, use the instructions below and the attached images. This step will be part of the document for the next update. Let me know how this works.

Parts:

  • 3 M3x10mm screws
  • 4 M4x14mm screws (same as for the motherboard in the compute box)
  • 4 M4 nuts
  • 2 M4x6mm screws (can use M4x14 from above and just pad with washers if needed)
  • 2 (or more) M4 washers
  • Throttle pivot set
  • Brake rod set
  • F 25 servo horn that came with the Baja (25 tooth for Futaba)
  • Bleed valve cap
  • Servo Cable
  • 1 Futaba J connector assembly (2 3x1 housings, 1 connector cover, 3 male 0.1" crimps, 3 female 0.1" crimps)

Instructions:

  • Remove the 3 M3 button head screws from the left, top of the conversion kit top plate
  • Use the 3 M3x10mm screws to secure the servo and master cylinder mounts to the chassis using the stock holes in the conversion kit top plate
  • Install the servo with 4 M4x14mm screws and 4 M4 nuts
  • Install the master cylinder with the 4 M4 washers and 2 M4x6mm screws. If using longer M4 screws, just pad with additional washers.
  • Install brake rod and pivot linage as shown in picture with servo horn parallel to master cylinder arm
    • You may have to use a longer M3 screw than came in the pivot set to attach the pivot to the servo horn.
    • When installing the servo horn, try to make the servo neutral position put no or very light pressure on the brake servo linkage. This can be adjusted again later once the servo is powered)
  • Make 10" servo extension cable with Futaba J connector assembly, connect to brake servo cable, and route through split loom into the electronics box with other cables coming from the back of the chassis.
  • Cut the brake rod so that it doesn't extend beyond the linkage
  • You will likely have to cut a little of the motor shroud to allow the linkage to freely actuate once the shroud is reinstalled.
  • Follow normal instructions for connecting brake lines and bleeding
  • Secure brake line with a few zip ties to the chassis
  • Install bleed valve cap once done bleeding

mastercylindarmount
mastercylindarshroud

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