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INSTRUCTIONS

Layout rules, hole size, fasteners, loads by deflection angle and lengths for the Spinlock TC50 high-load deck organisers with 50 mm alloy sheaves, TC50/2 to TC50/6, Y versions and the double-stacked D versions.

DocumentSpinlock TC50 Deck Organiser Instructions
FormatPDF · 4 pages · 3.2 MB
LanguageEnglish
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InstructionsPDF · 4 p.Drill guides (1:2)PDF · 10 p.
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Spinlock TC50 Deck Organiser — Instructions

Installation

  • Plan the deck layout before marking out holes.
  • Keep the vertical rope-entry angle under 10°.
  • Install the organiser on an imaginary line bisecting the angle of the rope lead.
  • Make sure the deck is flat and has the required strength.
  • Drill holes ø8.5mm or 11/32".
  • Seal the deck joint with a silicone rubber sealant.
  • Insert the flush-fitting countersunk fasteners before fixing to the deck; for maximum safety use A4/70 or A4/80 high-tensile fasteners, M8 CSK head, DIN7991.

Fasteners and Use

  • Each organiser needs a fastener through each sheave and one at each end: a 3-sheave TC50/3 needs 5 fasteners, or 4 for the asymmetric TC50/3Y.
  • Check the loading effect of the installed deflection angle, taking account of any unequal deflection angles.
  • Double stacked: always use the lower sheaves for the most highly loaded lines. The TC50/4D is a TC50/4 with a T50/4 stacked on top (313.00 long, 59.50 high).

The fastener table in the instructions gives "M8 (1/4")" (as printed).

Models and Loads

Model Length (mm) M8 CSK fasteners Weight Total SWL per unit
TC50/2 201 4 555g 1500kg View part →
TC50/2Y 155 3 445g 1500kg View part →
TC50/3 257 5 730g 2250kg View part →
TC50/3Y 211 4 620g 2250kg View part →
TC50/4 313 6 900g 3000kg View part →
TC50/4Y 267 5 790g 3000kg View part →
TC50/5 369 7 1080g 3750kg View part →
TC50/5Y 323 6 970g 3750kg View part →
TC50/6 425 8 1250g 4500kg View part →
TC50/6Y 379 7 1140g 4500kg View part →

All TC50: Ø50 anodised aluminium sheaves with a composite bearing, on 56 mm centres; 52 mm wide, 33 mm high; max line size Ø14mm; SWL per sheave 1500kg.

Max Rope Tension by Deflection Angle

Rope deflection angle ‘A’ Max rope tension (kg)
10° 8610
15° 5750
30° 2900
45° 1960
60° 1500
90° 1060
  • ‘A’ is the angle the rope is deflected by the sheave, measured for a straight or a bisected rope entry.
  • The same table is printed on every TC50 drill guide.

Use and Maintenance

  • The stainless-steel axle works with the countersunk fasteners for a high-strength, low-weight build.
  • Flush regularly with fresh water; when dry, apply a silicone spray or Spinlock grease.
  • Do not use mineral oil or solvent-based lubricants such as "WD40": the wrong lubricant degrades the bearing properties.
  • Do not let a loaded halyard touch the metal body.
  • Tensioned line must bear only on a sheave.

Drill Guides

  • One page per model, TC50/2 to TC50/6Y, drawn at 1:2 on A4 – not 1:1.
  • Spinlock's warning: if you use a guide as a drill template, set the printer for the drawing scale and always check the dimensions before drilling.

Safety

  • Check the product is correctly specified for your application, load and line size, and that it is correctly installed before its first use under load.
  • Braided fibre rope only – never three-strand or wire rope. Never use the product if it is damaged or worn, or with damaged rope.
  • Never use cleaning or lubricating solvents, polysulphide or polyurethane based sealants: they degrade the product. Do not modify any part.

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

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