TerrAdaptor Standard Winch Bracket, Capstan Winch Bracket Winch Brackets, Capstan Winch Bracket Assembly Winch Brackets Assembly User Manual Supplement

TerrAdaptor Standard and Capstan Winch Brackets are lightweight and compact brackets designed specifically for use with the TerrAdaptor tripod system. There are three options to choose from: the Standard Winch Bracket, Capstan Winch Bracket and the Capstan Winch Bracket Assembly (includes the Harken 40.2 ST two speed winch).

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TerrAdaptor Users Manual Supplement – Winch Brackets
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Winch Brackets
The TerrAdaptor Standard and Capstan Winch Brackets are lightweight and
compact brackets designed specifically for use with the TerrAdaptor tripod
system. There are three options to choose from: the Standard Winch Bracket,
Capstan Winch Bracket and the Capstan Winch Bracket Assembly (includes the
Harken 40.2 ST two speed winch).
Standard Winch Bracket (P/N 230550)
The Standard Winch Bracket is designed primarily for mounting crank operated winches used in the
work and rescue markets. The standard winch bracket was designed specifically with the bolt pattern
predrilled and ready to assemble the DBI/SALA9000004 mounting bracket and the Tractel Winch
T2S5OG directly onto the bracket. Follow the winch manufacturer recommendations for proper
mounting of the winch to the bracket using the supplied hex bolts and lockwashers (4 each are
supplied). The bolts should be torque to 20 lb/ft (DO NOT OVER TIGHTEN).
Other winch models can be mounted to the standard bracket. The dimensions of the bracket are 3½”
x 9” x ½” thick and is made from aluminum plate. The top plate will need to be drilled and tapped with
additional holes to meet the specific bolt pattern of your winch. See the winch manufacturer
recommendations for proper mounting and do not exceed manufacturers rating.
The bracket is designed to be used with winches utilizing rope, wire rope or cable. If wire rope or
cable is selected, be sure to use the TerrAdaptor Steel Sheave Assembly (P/N 230360) rather than
the Standard TerrAdaptor Sheave Assembly (P/N 230350) as your re-direct accessory.
Capstan Winch Bracket (P/N 230551)
The Capstan Winch Bracket is designed specifically for mounting a Harken 40 ST or 40.2 ST capstan
winch. The top plate is predrilled and ready for assembly. Follow the Harken recommendations for
proper mounting of the winch to the bracket using the supplied stainless cap screws, washers and
hex nuts (5 each). The screws should be torque to 6 or 7 lb/ft (DO NOT OVER TIGHTEN).
The TerrAdaptor Capstan Winch Bracket employs a lightweight stainless loop that guides the rope
into the capstan at the correct angle for maximum grip of the
rope. The guide loop can also mind prussics which can
simplify progress capture rigging.
TerrAdaptor Users Manual Supplement – Winch Brackets
Attaching The Winch Bracket to the TerrAdaptor System
The bracket is normally located on the rear leg of a tripod, but it can be located on any leg provided
the rope or cable is safely routed. It can be attached anywhere along the smaller diameter Perf Tube.
It can also be attached at the junction between the Perf Tube and larger Mid Tube by lining up the
relief in the sideplates of the bracket at the junction of the two tubes as shown in the picture below.
Once positioned, insert the three long quick release pins (with rings) so that the ball detent is fully
exposed on the opposite side as shown in the picture below.
The bracket also has high strength auxiliary attach points (see Table 2-1) at each end for rigging
belays, progress capture, tie down, and other rigging needs.
Capstan Winch Bracket Assembly
The Capstan Winch Bracket Assembly comes fully assembled with the Harken 40.2 ST two speed
winch, including the Harken 10 inch lock-in aluminum speed grip handle. Simply attach the
assembly to the TerrAdaptor leg with the long quick release pins as described above. For more
information on the Harken winch go to www.harken.com.
Rigging the Capstan Winch
The rope is routed from the load, through the redirect accessory (pulley, sheave assembly or other
gear) located at the tripod head, through the guide loop on the winch bracket and then onto the
winch. Specifically, begin at the bottom of the capstan, wrap the rope clockwise around the capstan
several times (number of wraps varies with rope diameter) without overlapping until the rope has
reached the top of the drum. Finish by putting the tail of the rope over the chrome stripper arm and
then between the upper and lower spring loaded jaws of the self tailing mechanism. Install handle.
(Please see the Harken User Manual for further information on proper use of the winch).
Raise loads by turning the handle in the direction that provides the best
mechanical advantage for your situation. Depending on the weight of the
load and the speed needed to raise the load, it may be more efficient to
place one foot near the base of the tripod leg or lash the leg to the surface
for greater stability. Note that the winch can be rigged for progress capture
by attaching prussic or other progress capture devices to the rigging points
on the winch bracket.
Attached at Junction Ball should be visible
TerrAdaptor Users Manual Supplement – Winch Brackets
Lower loads by using the capstan as a belay drum to provide friction. While retaining a firm grasp on
the rope tail and supplying tension on the capstan, unwind the rope from between the upper and
lower spring loaded jaws and then from the stripper arm. While remaining in control of the rope tail,
slowly decrease tension and allow the rope to slip on the capstan to lower the load at the desired
speed. Capstan winches must be tailed either manually or by means of the self tailing mechanism.
To return to a raise, again wrap the tail of rope over chrome stripper arm and then between the upper
and lower spring loaded jaws and turn with the handle.
The TerrAdaptor system employing a capstan style winch is used for raising and lowering typical
rescue loads of 300 to 600 pounds using ropes common to rope rescue. Capstan winches are not
designed to catch a falling load nor does it employ any type of braking mechanism. If fall protection
or a belay line is required then it should be rigged independently.
Also see www.harken.com for more information and recommendations for proper winch mounting and
use. Do not exceed winch manufacturers rating.
Best Practice:
Cable winches should be mounted on the inside of the tripod so the cable does not drag on the leg
tubes. Capstan winches are easier to operate when they are mounted on the outside of the leg.
When possible, secure feet directly to anchors to create a more rigid setup.
Care & Maintenance:
Check all components for bending and warping which could indicate overloading.
Auxiliary attach points can be both tied into and clipped into. As a result, pay careful attention to
sharp edges or burrs that may have developed. Lightly file or sand off burrs before use.
Warnings:
Carabiners clipped into auxiliary attach points should be positioned to avoid cross or side loading
Do not use the normal leg coupling pins to attach the winch bracket as they are too short and
could result in the winch bracket detaching from the leg and resulting in injury or death
See winch manufacturers recommendations for proper winch mounting and do not exceed
manufacturers rating when operating winches
Failure to maintain control of the rope tail on Capstan winches could result in injury or death due
to falls
TerrAdaptor Users Manual Supplement – Winch Brackets
Table 2-1 - Strengths of auxiliary attachment points
Auxiliary Attach Point Breaking Strength
Lash Ring – Single Hole 4,500 lbf. (20kN)
Lash Ring – Opposing Holes 5,600 lbf. (25kN)
Talon Foot 6,744 lbf. (30kN)
Rocker Foot 6,744 lbf. (30kN)
Articulating Foot Adaptor 6,744 lbf. (30kN)
Quick Lash – Straight Pull 6,744 lbf. (30kN)
Quick Lash – Pulled to Side 3,372 lbf. (15kN)
Winch Brackets 6,744 lbf. (30kN))
Head Auxiliary Attachment Points 8,000 lbf. (36kN)
Manufactured By:
SMC – Seattle Manufacturing Corporation
6930 Salashan Parkway
Ferndale, WA 98248
USA
Phone: 360.366.5534
Fax: 360.366.5723
www.smcgear.net
www.TerrAdaptor.com
Distributed By:
Skedco, Inc
10505 SW Manhasset Drive
Tualatin, OR 97062
USA
Phone: 503.691.7909
Fax: 503.691.7973
www.Skedco.com
Pigeon Mountain Industries
4466 N US Hwy 27
LaFayette, GA 30728
USA
Phone: 706.764.1437
Fax: 706.764.1531
www.PMIRope.com
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Key features

  • Lightweight and compact
  • Designed for TerrAdaptor tripod system
  • Predrilled for specific winches
  • Mounts to any tripod leg
  • Includes auxiliary attach points
  • Can be used with rope, wire rope, or cable

Frequently asked questions

The Standard Winch Bracket is 3½” x 9” x ½” thick and made from aluminum plate.

The bolts should be torque to 20 lb/ft (DO NOT OVER TIGHTEN).

The screws should be torque to 6 or 7 lb/ft (DO NOT OVER TIGHTEN).

The Capstan Winch Bracket Assembly includes the Harken 40.2 ST two speed winch.
ALP:
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