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Radial Winch 

70.2 ST

Installation and Maintenance Manual - Mod.G

Installation

The winch must be installed on a flat 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 Procedure

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

Tools needed: 

One medium flat-bladed screwdriver

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

Installation

drive gear

SHEET

Summary of Contents for Radial Winch 70.2 ST

Page 1: ...Radial Winch 70 2 ST Installation and Maintenance Manual MRW G...

Page 2: ...enance 8 Washing 8 Maintenance table 8 Disassembly procedure 8 Exploded view with maintenance products 12 Assembly 13 Harken limited worldwide warranty 14 Ordering spare parts 14 Exploded view 15 Radi...

Page 3: ...harken it 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 Ge...

Page 4: ...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...

Page 5: ...8 in lb 2 Slide off the assy socket n 30 and the cover 29 3 Unscrew the three screws n 28 4Nm 35 in lb 4 Remove the self tailing arm n 27 by rotating and lifting it 5 Lift off the drum n 24 Install th...

Page 6: ...n 19 9 Unscrew the 6 hex screws n 17 20Nm 177 in lb 10 Remove the drum support n 16 Important washer n 7 may remain inside the drum support 6 Completely unscrew the three screws n 28 7 Remove the stri...

Page 7: ...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 sealan...

Page 8: ...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...

Page 9: ...nstallation and then do the following 11 Remove the gear n 6 pawls n 3 and the washer n 7 8 Slide out the central shaft n 19 9 Unscrew the 6 hex screws n 17 20Nm 177 in lb 10 Remove the drum support n...

Page 10: ...2 ST Installation and Maintenance Manual Mod G 12 Remove the gear n 2 13 Remove the idler and pinion n 14 14 Remove roller bearings n 15 16 Remove the gear n 10 15 Remove the pawls n 11 17 Remove rol...

Page 11: ...c 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...

Page 12: ...grease where indicated above Apply Harken grease 1 on assy socket screw 2 on drum gear NOTICE On every gear and every component that must be greased apply Harken grease with a brush in a proper quant...

Page 13: ...ange the Stripper Arm Housing angle to modify the Stripper Arm final position When positioning the stripper arm align the peeler with it If the jaws have been disassembled insert peeler between the tw...

Page 14: ...i 14 23570 Limido Comasco CO Italy Tel 39 031 3523511 Fax 39 031 3535031 Email info harken it Web www harken com Tech Service Email techservice harken it Customer Service Tel 39 031 3523511 Email info...

Page 15: ...15 Radial Winch 70 2 ST Installation and Maintenance Manual Mod G Exploded view Exploded view 23 25 21 26 27 28 29 24 18 16 17 20 Radial Winch 70 2 STA STC STCW...

Page 16: ...16 Radial Winch 70 2 ST Installation and Maintenance Manual Mod G 8 10 4 14 5 11 15 13 12 9 1 22 2 3 5 4 6 7 19 20 Radial Winch 70 2 STA STC STCW...

Page 17: ...18x52 5 14 1 S414760004 Idler and Pinion Z26 Z13 W70 15 2 A74162300 Roll bearing 24x18x18 16 1 2 1 A94146800 S415580085 S4130900A7 Assy Housing WInch 70 Housing W70 Bushing 12x 35x9 Support Bushing W7...

Page 18: ...2 5 14 1 S414760004 Idler and Pinion Z26 Z13 W70 15 2 A74162300 Roll bearing 24x18x18 16 1 2 1 A94146800 S415580085 S4130900A7 Assy Housing WInch 70 Housing W70 Bushing 12x 35x9 Support Bushing W70 Bu...

Page 19: ...earing 24x18x18 16 1 2 1 A94146800 S415580085 S4130900A7 Assy Housing WInch 70 Housing W70 Bushing 12x 35x9 Support Bushing W70 Bushing 22x 25x8 5 17 6 M0606303 Screw M8x25 UNI 5931 18 3 A74147500 Rol...

Page 20: ...20 Radial Winch 70 2 ST Installation and Maintenance Manual Mod G 23 25 21 26 27 28 29 24 18 16 17 20 Radial Winch 70 2 STBBB STCCC...

Page 21: ...21 Radial Winch 70 2 ST Installation and Maintenance Manual Mod G 8 10 4 14 5 11 15 13 12 9 1 22 2 3 5 4 6 7 19 20 Radial Winch 70 2 STBBB STCCC...

Page 22: ...15580085 S4130900A7 Assy Housing WInch 70 Housing W70 Bushing 12x 35x9 Support Bushing W70 Bushing 22x 25x8 5 17 6 M0606303 Screw M8x25 UNI 5931 18 3 A74147500 Roller Bearing 102x 114x26 Pos Q ty Code...

Page 23: ...S4130900A7 Assy Housing WInch 70 Housing W70 Bushing 12x 35x9 Housing Bushing W70 Bushing 22x 25x8 5 17 6 M0606303 Screw M8x25 UNI 5931 18 3 A74147500 Roller Bearing 102x 114x26 Pos Q ty Code Descrip...

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