Harken 35.2 ST E Manual

Radial Winch 35.2 ST

Installation and Maintenance Manual

MRW-01

Radial Winch 35.2 ST

Installation and Maintenance Manual

Introduction

Technical characteristics

Weight

Maximum working load

Outline

Installation

Procedure 1

Procedure 2

Installation procedure

Positioning the self-tailing arm

Maintenance

Washing

Maintenance table

Disassembly procedure

Exploded view with maintenance products

Assembly

Harken® limited worldwide warranty

Ordering spare parts

Exploded view

Parts list

Radial Winch 35.2 STA

Radial Winch 35.2 STC

Index

Radial Winch 35.2 ST

Installation and Maintenance Manual

Introduction - Technical characteristics - Outline

Introduction

This manual gives technical information on winch installation and maintenance, including

disassembling and reassembling.

This information is DESTINED EXCLUSIVELY for specialised personnel or expert users.

Installation, disassembling and reassembling of the winch by personnel who are not experts may

cause serious damage to users and those in the vicinity of the winch.

Harken® accepts no responsibility for defective installation or reassembly of its winches.

In case of doubt the Harken® Tech Service is at your disposal at [email protected]

This Manual is available only in English. If you do not fully understand the English language, do

not carry out the operations described in this Manual.

Technical characteristics

Power ratio Gear ratio

1st speed 13,50 : 1 2,13 : 1

2nd speed 35,90 : 1 5,65 : 1

The theoretical power ratio does not take friction into account.

Weights

ST A version ST C version

Weight (Kg) 3.6 4,8

Versions:

A = drum in anodised aluminium

C = drum in chromed bronze

Maximum working load

WARNING!

The maximum working load (MWL) for the 35.2 ST Radial Winch is 650 Kg (1433 lb)

Subjecting the winch to loads above the maximum working load can cause the winch to fail or

pull off the deck suddenly and unexpectedly during high loads causing severe injury or death.

Outline

Line entry height

Ø149 mm

170 mm

Ø80,5

80 mm

Radial Winch 35.2 ST

Installation and Maintenance Manual

Installation

The winch must be installed on a at area of the deck, reinforced if necessary to bear a load equal

to at least twice the maximum working load of the winch.

It is the installer's responsibility to carry out all structural tests needed to ensure that the deck can

bear the load.

Harken® does not supply the screws needed to install the winch since these may vary depending

on the deck on which it is to be installed.

It is the installer's responsibility to choose the correct screws taking account of the loads they will

have to bear.

Harken® assumes no responsibility for incorrect installation of its winches or for an incorrect choice

of mounting screws.

DANGER!

Incorrect installation of the winch may cause severe injury or

death. Consult the yard that built the boat in the case of doubt

over the correct positioning of the winch.

WARNING!

Failure to use the correct number and type of mounting fasteners

or failure to ensure the correct deck strength can result in the

winch pulling off the deck suddenly and unexpectedly during

high loads causing severe injury or death.

WARNING!

Verify the entry angle of the sheet. This must be 8° with tolerance

of ±2°, to avoid sheet overrides and damaging the winch or

making the winch inoperable leading to loss of control of the

boat which can lead to severe injury or death.

WARNING!

Mount the winch on the deck so that the drive gear is positioned

where the sheet enters the winch drum.

Incorrect position of drive gear can weaken winch leading to failure

which can cause an accident leading to severe injury or death.

NOTICE

You can find the icon on the skirt to identify the drive gear

position.

Once you have chosen the correct mounting position for the winch on the deck proceed with

installation.

Installation

drive gear

SHEET

8°

Radial Winch 35.2 ST

Installation and Maintenance Manual

The winch can be installed following one of the two procedures below (Procedure1 or Procedure 2):

Procedure 1

To install the winch you must remove the drum and use Socket Head (SH) bolts.

Tools needed

One medium at-bladed screwdriver

To identify the various parts, refer to the exploded view at the end of this Manual.

Torque to apply when assembling

1. Unscrew the central screw ( 2Nm/18 in-lb)

3. Unscrew the three screws n°27

( 4Nm/35 in-lb)

2. Slide off the hub n°28 and the cover n°29

4. Remove the self-tailing arm n°26 by

rotating and lifting it.

Radial Winch 35.2 ST

Installation and Maintenance Manual

Install the winch on the deck in the position you have chosen, keeping in mind the limits described

on page 4 and using socket head (SH) bolts.

(See paragraph on installation)

Procedure 2

To install, you must remove the winch skirt and use hexagonal headed bolts.

Tools needed

One medium at-bladed screwdriver

To identify the various parts, refer to the exploded view at the end of this Manual.

5. Lift off the drum n°22

1. Remove the skirt n°2 with the help of

the screwdriver placed as shown by

the symbol

2. Take off the skirt n°2

Radial Winch 35.2 ST

Installation and Maintenance Manual

NOTICE

Make sure the skirt is correctly clipped on to the base of the winch.

Install the winch on the deck in the position you have chosen, keeping in mind the limits described

on page 4 and using hexagonal headed bolts.

(See paragraph on installation)

3. Position the 5 M6 hexagonal headed

bolts in their holes

4. Reposition the skirt n°2 in its housing

5. Press down the skirt to position it correctly

Radial Winch 35.2 ST

Installation and Maintenance Manual

Installation procedure

Carry out Procedure 1 or Procedure 2, then install the winch on the deck in the chosen position.

A. Position the base of the winch on the deck and mark the position of the holes or use the drilling

cut-out template at the point where you have decided to place the winch.

Below is a reduced scale diagram.

The drilling cut out template is available on the Harken® website, www.harken.com

B. Remove the winch and drill the ve 6.2 mm diameter holes.

C. Bolt the base of the winch to the deck using ve M6 Socket Head (SH) bolts for Procedure 1 or ve

hexagonal headed M6 bolts for Procedure 2 (neither is supplied by Harken®), correctly chosen for

the thickness and type of the boat deck. Consult the yard that built the boat in case of doubt.

WARNING!

To install the winch on the deck, use only bolts in A4 stainless steel (DIN 267 part11).

Bolts made of other materials may not have sufcient strength or may corrode which can

result in winch pulling off deck suddenly and unexpectedly during high loads causing

severe injury or death.

NOTICE

To mount winches on the deck, do not use countersunk bolts.

D. Fill the mounting holes with a suitable marine sealant.

E. Remove the excess adhesive/sealant from the holes and base drainage channels

Radial Winch 35.2 ST

Installation and Maintenance Manual

F. Reassemble the winch following the steps in Procedure 1 or Procedure 2 in the reverse

order, and apply the products indicated in the section on maintenance.

NOTICE

Before closing the winch, make sure the holes and drainage channels in the base of the winch

are not obstructed.

Positioning the self-tailing arm

Position the self-tailing arm so that the line leaving the winch is led into the cockpit.

Maintenance

Washing

Winches must be washed frequently with fresh water, and in any case after each use.

Do not allow teak cleaning products or other cleaners containing caustic solutions to come into

contact with winches and especially anodised, chrome plated or plastic parts.

Do not use solvents, polishes or abrasive pastes on the logos or stickers on the winches.

Make sure that the holes and drainage channels in the base of the winch are not obstructed so that

water does not collect.

Maintenance table

Winches must be visually inspected at the beginning and end of every season of sailing or racing.

In addition they must be completely overhauled, cleaned and lubricated at least every 12 months.

After an inspection, replace worn or damaged components. Do not replace or modify any part of the

winch with a part that is not original.

WARNING!

Periodic maintenance must be carried out regularly. Lack of adequate maintenance

shortens the life of the winch, can cause serious injury and also invalidate the winch

warranty. Installation and maintenance of winches must be carried out exclusively by

specialized personnel.

In the case of doubt contact Harken® Tech Service at [email protected]

Disassembly procedure

Tools needed

One medium at-bladed screwdriver

A number ve hex key

Rags

To identify the various parts refer to the exploded view at the end of this Manual.

Maintenance

Radial Winch 35.2 ST

Installation and Maintenance Manual

Torque to be applied in assembly phase

Carry out Procedure 1 as shown in the paragraph on winch installation and then do the following:

6. Completely unscrew the three screws n° 27

8. Slide out the central shaft n°19

10. Remove the drum support n°15

Important: washer n°12 may remain

inside the drum support!

7. Remove the self-tailing arm support n°21

9. Unscrew the 6 hex screws n°16

( 8Nm/71 in-lb)

11. Remove the washer n°12

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