Harken 50.2 PTBBB Manual

Installation and Maintenance Manual

MRW-A

Radial Winch 50.2 PT

BBB / CCC

Radial Winch 50.2 PT BBB / CCC

Installation and Maintenance Manual - Mod.A

Index

Introduction 3

Technical characteristics 3

Weights 3

Maximum working load 3

Outline 3

Installation 4

Procedure 5

Installation procedure 6

Maintenance 7

Washing 7

Maintenance table 7

Disassembly procedure 7

Exploded view with maintenance products 11

Assembly 12

Harken®limited worldwide warranty 12

Ordering spare parts 12

Exploded view 14

Parts List 16

Radial Winch 50 PTBBB 16

Radial Winch 50 PTCCC 17

Radial Winch 50.2 PT BBB / CCC

Installation and Maintenance Manual - Mod.A

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 techser[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 10,90: 1 2,40 : 1

2nd speed 50,40 : 1 10,90 : 1

The theoretical power ratio does not take friction into account.

Weights

PT BBB/CCC versions

Weight (Kg) 11,60

Versions:

BBB = all bronze

CCC = All-Chrome bronze

Maximum working load

WARNING!

The maximum working load (MWL) for the 50.2 PT Radial Winch is 1450 Kg (3197 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

190 mm

96 mm

Ø194 mm

Ø111 mm

Radial Winch 50.2 PT BBB / CCC

Installation and Maintenance Manual - Mod.A

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.

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

installation.

Installation

drive gear

SHEET

8°

Radial Winch 50.2 PT BBB / CCC

Installation and Maintenance Manual - Mod.A

The winch can be installed following the Procedure below:

Procedure

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

Headed (HH) 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

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

on page 3.

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

3. Lift off the drum n°23

2. Slide off the assy socket n°31 and the

cover n°29

Radial Winch 50.2 PT BBB / CCC

Installation and Maintenance Manual - Mod.A

Installation procedure

Carry out the Procedur, 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 8.2 mm diameter holes.

C. Bolt the base of the winch to the deck using ve M8 bolts (not 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 sufficient 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

F. Reassemble the winch following the steps in the Procedure in the reverse order, and apply the

products indicated in the section on maintenance.

Radial Winch 50.2 PT BBB / CCC

Installation and Maintenance Manual - Mod.A

NOTICE

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

are not obstructed.

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 techservice@harken.it

Disassembly procedure

Tools needed

One medium at-bladed screwdriver

A number ve hex key

A number six hex key

Rags

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

Torque to be applied in assembly phase

Maintenance

Radial Winch 50.2 PT BBB / CCC

Installation and Maintenance Manual - Mod.A

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

6. Slide out the central shaft n°20 7. Unscrew the 5 hex screws n°17

( 8Nm/71 in-lb)

8. Remove the housing n°16

Important: washer n°13 may remain

inside the housing!

9. Remove the gear n°15

4. Completely unscrew the three screws n° 28 5. Remove the socket support n°22

Radial Winch 50.2 PT BBB / CCC

Installation and Maintenance Manual - Mod.A

To facilitate the operation press the spring

against the pawl with a blade.

12. Slide off gear n°2

13. Remove the pinion n°10. To facilitate

the operation press the spring against

the pawl with a blade.

14. Remove gear n°5

10. Remove the washer n°13 11. Remove the gear n°9 and remove the

pawls n°6.

Radial Winch 50.2 PT BBB / CCC

Installation and Maintenance Manual - Mod.A

Once the winch is completely disassembled, clean the parts with a degreasing that does not leave

residues, proper to clean metal components; rinse plastic parts in fresh water. Once you have done

this, dry the parts with cloths that do not leave residue.

Inspect gears, bearings, pins and pawls for any signs of wear or corrosion.

Carefully check the teeth of gears and ring gears to make sure there are no traces of wear.

Check the roller bearings and check there are no breaks in the bearing cages.

Replace worn or damaged components.

Carry out maintenance on components using the products listed below.

For more information on which products to use where, refer to the exploded diagram below.

Use a brush to lightly lubricate all gears, gear pins, teeth and all moving parts with grease.

Lightly lubricate the pawls and springs with oil. Do not use grease on the pawls!

15. Remove washer n°4

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