Lewmar 300 SVTAH Installation Manual Download Page 4 | Manualshive

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INTRODUCTION

Noise considerations.

Because of the considerable power generated

by a Lewmar Bow Thruster and

the construction of most vessels there will be noise generated.
It is also possible that the noise level will differ depending on the direction of
thrust. Adhering to the installation instructions stated earlier will reduce the
amount of noise generated.

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Summary of Contents for 300 SVTAH

Page 1: ...300 SVTAH Installation Manual Issue B ...

Page 2: ...OCEDURE SPEED SENSOR INSTALLATION OPERATION MAINTENANCE CATHODIC PROTECTION SYSTEM TROUBLE SHOOTING TECHNICAL DATA SPARE PARTS MANUAL RAISE LOWER OF THRUSTER THRUSTER DIMENSION DRAWINGS HYDRAULIC THRUSTER CIRCUIT DRAWINGS CONTROL PANEL DRAWINGS WARRANTY LEWMAR CONTACT DETAILS 3 5 6 7 8 10 11 13 15 17 18 19 21 22 25 27 28 39 43 45 ...

Page 3: ...ersion achieved when fully deployed The power source available at the Thruster motor The position of the installation within the hull The Thruster should be installed as far forward as possible The centre line of the hub must be a minimum of 1 5 x propeller diameter below the water line Hydraulic power source Ensure the correct pipe bore sizes pressure ratings are installed as per hydraulic circui...

Page 4: ...by a Lewmar Bow Thruster and the construction of most vessels there will be noise generated It is also possible that the noise level will differ depending on the direction of thrust Adhering to the installation instructions stated earlier will reduce the amount of noise generated ...

Page 5: ...t they are absolutely clean and free from dirt scale and other contaminants Pipes should be supplied plugged at either end and these should not be removed until just before the hoses are installed Hoses should be blown through with clean compressed air then installed immediately Ensure that the hoses are in good condition the correct bend radii for the hoses are observed and that the hoses are of ...

Page 6: ...he anodes are usually fitted inside the propeller shroud and are in strip form It is vital that they are electrically bonded to the metal of the Thruster by their fixing bolts It is the responsibility of the owner builder of the boat to ensure that adequate and effective anodic protection is in place The underwater part of the Thruster must be anti fouled and a primer compatible with the anti foul...

Page 7: ...EVRON EP HYD OIL 32 DEFROL HLP22 ESSO NUTO H 32 FINA HYDRAN 32 FUCHS RENOLIN MR10 RENLOIN B10 OPTIMOL HYDRO 5035 MOBIL DTE 24 HYD OIL HLPD 32 OMV HLP 32 SHELL TELLUS OIL 32 TEXACO RANDO OIL HD A 32 VALVOLINE ETC 25 RECOMMENDED LUBRICATION OIL FOR THRUSTER HUB SHOULD MEET OR EXCEED API GL5 CASTROL EPX 80W 90 MOBILUBE HD 80W 90 SHELL SPIRAX HD80W 90 Data Sheet 020 ...

Page 8: ...lower mechanically remove the lead screw lower locking bolts M6 from the base plate and wind the top of the lead screw with a suitable socket or spanner Taking care not to damage the limit switches Please see Manual Raise Lower of Thruster At the stage of the installation the raise and lower power is unlikely to be connected When raising and lowering the unit take care not to Bottom Out the limit ...

Page 9: ...ate seats Ensure that the limit switch actually makes when the Thruster is fully retracted otherwise power will be left on the valve motor applying unnecessary stress to the shroud closing plate assembly WARNING THE INSTALLATION OF BARS OR GRIDS ACROSS THE TUNNEL ENTRANCE WILL HAVE A DETRIMENTAL EFFECT ON THRUSTER PERFORMANCE ...

Page 10: ... Hydraulic Electric Circuit This manual contains 4 different electrical circuits for the 200SVTAH Thruster Please refer to the correct drawings for your installation 58400170 This circuit is used if you are using a proportional joystick panel 58400141 and your main engine has a speed trip fitted Refer to Speed Sensor installation details 58400174 This circuit is used if you are using a switch cont...

Page 11: ... not available then the system pump may be used Prior to flushing All rigid and flexible pipes hoses and components should be supplied clean and capped The caps should not be removed until they are ready for assembly If pipes hoses or components are not clean they should be suitably cleaned and blown through with clean dry compressed air and capped until ready for use Care must be taken when assem...

Page 12: ...nction is a bi directional motor it should be flushed in both directions 5 The direction of flow should be changed as often as possible but care must be taken not to flush equipment out of sequence 6 All filter condition indicators Filter element gauges should be monitored any filter elements that start to become clogged should be replaced 7 Once all flushing has been completed the whole system sh...

Page 13: ...n of thread pitch It has been our experience that the optimum gap will be in the range of 1 to 1 5mm This gap will correspond to 1 to 1 full turns on the sensor Care must be taken to set the sensor at a high point and not a low point on the pole wheel The sensor must be mounted rigid and vibration free and locked in place by means of the locking nuts Oscillatory sensors are insensitive to electric...

Page 14: ......

Page 15: ...g the down button and raised by pressing the up button while the Thruster is in motion the appropriate button will flash once the Thruster is fully up or fully down the appropriate button will stay illuminated If both the up and down buttons flash simultaneously the Thruster is lost i e neither up nor down press either the up or down button to correct If the On Off button starts to flash there is ...

Page 16: ... the button will illuminate The Thruster can only be activated once it is fully deployed The Thruster is operated by moving the joystick or pressing the port or starboard buttons When changing direction eg from port to starboard return the joystick to the centre or release the button and pause for approximately 1 second before thrusting in the opposite direction This is to allow the motor to come ...

Page 17: ...ill normally last for many years but it is advisable to replace the filter element annually The filter is fitted with a pressure gauge which indicates the level of contamination within the element If the reading starts to rise above the normal level it means that the filter element is becoming clogged and must be replaced Hydraulic oil will break down over a period of time irrespective of usage an...

Page 18: ...ioning then it is important that the vessels electrical system is checked for earth leaks or other electrical faults that are possibly accelerating the corrosion process Refer to Corrosion data sheet 023 Recommended anode inspection plan First six 6 months One 1 month intervals Six 6 months to one 1 year Three 3 month intervals One 1 year plus Six 6 month intervals WARNING Anodes are fitted to sto...

Page 19: ...r coupling components and replace Lightly grease new shear coupling and press into existing hub Taking care not to damage the drive lobes Thruster operated with excessive noise vibration and in once direction the thrust has noticeably become less powerful Propeller damaged due to rope timer hitting the propeller Remove propeller replace check that propeller shaft has not been damaged bent check se...

Page 20: ...Ensure there is no mechanical obstructions inside or externally restricting movement All SVT Thrusters have a manual override to the raise lower system See Manual Raise Lower Data Sheet If the Thruster cannot be retracted deployed mechanically there may be a serious problem caused by external impact ...

Page 21: ...rev 25hp 31 cc rev 30hp 33 cc rev Raise Lower Type Reversible Gear Motor Hydraulic Motor Capacity 20 cc rev Transmission Gears Spiral Bevel Gear Lubrication Oil Bath Transmission Oil Types CASTROL EPX 80W 90 MOBILUBE HD 80W 90 SHELL SPIRAX HD 80W 90 Gearbox Housing Material Aluminium LM 25 Propeller Diameter 294 mm Blades 4 off Material LM 25 Pitch 15hp 254 20hp 286 25hp 356 30hp 356 ...

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Page 23: ...d Cap Screw M10 x 45 Skt Hd Bolt M10 Spring Washer M10 Washer M8 Spring Washer Adapter Ring Grease Nipple Bleed Plug Sleeve Sleeve Drive Gear Drive Gear Motor Mounting Plate M10 Helicoil M8 Helicoil Trip Plate M6 x 16 Skt Hd Cap Screw M8 Std Nut M8 x 35 Hex Hd Bolt Top Limit Switch M8 x 110 Hex Hd Bolt Bottom Limit Switch M6 Wire Bolts M6 x 20 Skt Hd Cap Screw M6 Washer Guide Bush Circlip Guide Ba...

Page 24: ... M6 Spring Washer M6 Flat Washer M8 x 25 Skt Hd cap Screw Shroud Plate Shroud Support Strut Propeller 15hp Propeller 20hp Propeller 25 30hp Shroud Complete Items 53a d Shroud Less Flow Rings Flow Rings M4 x 12 Slot Csk Hd Screw A4 M4 x 1 1 2d Helicoil Insert M12 Nyloc Nut Washer Prop Shaft Circlip Spacer Hub Seal M6 x 14 Skt Hd Cap Screw Front Cap Taper Bearing 25 x 52 Drive Shaft Spiral Bevel Gea...

Page 25: ...he base plate using a 5 mm allen key These can be found where the leadscrew enters the base plate 2 Place a suitable spanner or socket drive 1 2 onto the top of the leadscrew 3 Turn the leadscrew clockwise to raise and anti clockwise to lower taking care not to damage the limit switches at the top and bottom of the stroke 4 Replace the 2 x M6 leadscrew locking bolts before Electric or Hydraulic po...

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Page 43: ...osion ultra violet degradation wear and tear or improper installation c Failures loss or damage due to incorrect maintenance d Failures loss or damage due to conditions that exceed the product s performance specifications iv Product subject to warranty claim must be returned to Lewmar for examination unless otherwise agreed by Lewmar in writing v Lewmar shall not be responsible for shipping charge...

Page 44: ...age to reputation or goodwill loss of expected future business damages costs or expenses payable to any third party or any other indirect losses Any damage to yachts or equipment Death or personal Injury unless caused by Lewmar s negligence b Lewmar grants no warranties regarding the fitness for purpose use nature or satisfactory quality of the goods ii Where the laws of the country do not permit ...

Page 45: ...rance Tel 33 5 46 50 50 46 Fax 33 5 46 50 59 04 e mail info france lewmar com Lewmar Southern Europe Cannes Lewmar Ltd Allée Charles Nungesser Parc D Activités de la Siagne 06210 Mandelieu France Tel 33 4 93 48 80 48 Fax 33 4 93 48 37 50 e mail info france lewmar com Lewmar Southern Europe Spain Lewmar Ltd Sucursal en Espana Joan de Borbó 92 08039 Barcelona Spain Tel 34 93 221 94 37 Fax 34 93 225 ...

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