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INSTRUCTIONS

Choosing between the screw and rivet versions of the Selden Mast Walker bracket (508-183 / 508-185) by mast wall thickness, and mounting each one.

DocumentSelden Mast Walker Instructions
FormatPDF · 1 page · 0.1 MB
LanguageEnglish
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Selden Mast Walker — Instructions

Which Kit

Kit no. Radius Fastening Mast wall thickness
508-183-03 R290 Screws (MFT M6x16 included) > 4 mm (5/32")
508-183-04 R290 Rivets < 5 mm (6/32")
508-185-03 R122 Screws (MFT M6x16 included) > 4 mm (5/32")
508-185-04 R122 Rivets < 5 mm (6/32")

Screws need a wall of at least 4.0 mm; rivets must not be used on walls over 5.0 mm.

With Screws

Tools: drill bit ø5mm (for M6), ø6.5 bit or pen for marking, thread tap M6, Torx-Key T30, locking adhesive (LOCTITE™ 639 or similar).

  1. Hold the bracket in position and mark the three holes with a ø6.5 mm (~1/4") bit or a pen.
  2. Drill ø5 mm and tap M6.
  3. Fit with locking adhesive, firmly; do not overtighten.

With Rivets

Rivets ø6.4x17,8 (Selden part no. 167-002) included. Tools: ø6.5mm (1/4") bit, pen, rivet tool, drift pin.

  1. Mark the three holes.
  2. Make sure the rivet has room to expand inside the mast.
  3. Drill the holes.
  4. Rivet the bracket to the mast.
  5. Strike out the mandrel heads with a drift pin.

Caution: cables and halyards inside the mast – use a depth stopper on the drill bit. Always use a safety harness when working aloft.

Need a part that isn't listed? Ask us to source it and quote the part number from the PDF.

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