Simrad WP10 User Manual

MAXIMIZING YOUR PERFORMANCE AT SEA
Simrad WP10
Wheelpilot
MANUAL
Instruction manual
III
Wheelpilot WP10
The technical data, information and illustrations contained in this publication were to the best of our knowledge correct at the time of going to print. W e r eserve the right to change specifications, equipment, installation and maintenance instructions without notice as part of our policy of continuous development and improvement. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form, electr onic or otherwise with­out prior permission from Simrad Ltd. No liability can be accepted for any inaccuracies or omissions in the publication, although every care has been taken to make it as complete and accurate as possible.
E03548 Issue 1.3 MDL/CR 01/12/03
© 2003 Simrad Ltd
V
Instruction manual
CONTENTS
1. General
1.1 Introduction
1.2 Technical Summary
2. Operation
2.1 General
2.2 Engaging the Clutch
2.3 Autopilot Mode
2.4 Adjusting Course
2.5 Autotack
2.6 Rudder Movement (Gain)
2.7 Seastate
2.8 Autotrim
3. Configuration
3.1 Scaling
3.2 Calibration Mode
3.3 Adjusting Gain
3.4 Adjusting Seastate
4. Installation
4.1 Fitting the Wheelpilot
4.2 Electrical Installation
5. Appendix
5.1 Advice On Operation
5.2 Fault Finding
5.3 Auto Compass Calibration
5.4 Adjusting Belt Tension
5.5 Spares & Accessories
5.6 Servicing
5.7 Warranty
Page 6
Wheelpilot WP10
1 General
1.1 Introduction
The Simrad Wheelpilot WP10 is a self-contained automatic pilot suitable for a wide variety of wheel­steered sailing yachts up to 10m (32ft) in length. Combining highly sophisticated electronics with advanced software and a powerful mechanical drive, it is capable of providing reliable and accu­rate steering performance under a variety of differ­ent conditions with minimal current consumption.
The WP10 has been designed so that, while it rep­resents the state of the art in marine autopilots with many advanced features, it remains very simple to operate, using only five keys to access all functions.
To ensure the best results from your Wheelpilot it is essential that the unit is installed correctly. Please read this manual thoroughly before installation.
Thank you for choosing Simrad!
If you are pleased with your Wheelpilot, we hope you will be interested in our range of marine elec­tronic equipment, which is manufactured to the same high standards as the Wheelpilot. Please con­tact your nearest Simrad Agent for a catalogue showing our increasing range of high-tech naviga­tional instruments, GPS, Autopilots, Radar, Chartplotters, Fishfinders and VHF radio sets.
Simrad operate a policy of continual development and reserve the right to alter and improve the specification of their products without notice.
Wheelpilot®is a registered trademark of
Simrad Ltd.
WP30
Wheelpilot WP10
Page 7
Instruction manual
1.2 T echnical Summary
WHEELPILOT WP10 SPECIFICATIONS
Supply Voltage 12v DC (10v-16v) Power Consumption 0.06A (Standby) (Typical) 0.75A (Auto)
WP30
Fig 1.1 - Wheelpilot dimensions
388mm (15.25 in)
348mm (13.7 in)
165mm (6.5 in) 550mm (21.6in)
234mm (9.2 in)
Page 8
Wheelpilot WP10
Fig 2.1 - Engaging clutch
STBY
TACK
STBY
AUTO
STBY
AUTO
Fig 2.2 - Engaging autopilot mode
STBY
CAL
TACK
STBY
AUTO
Fig 2.3 - Course adjustment to Port
2 Operation
2.1 General
The Wheelpilot powers up in Standby mode, indicat­ed by a flashing LED next to the STBY/AUTO key. The two direction LEDs above the Port and Starboard keys are always dimly lit, which provides night illu­mination for the keypad. All functions are confirmed audibly by a “beep” and visually by the LEDs, so the status of the unit can always be confirmed at a glance.
2.2 Engaging the clutch
The Wheelpilot will not drive in any mode, unless the drive clutch is engaged first. The clutch is controlled by the lever on the left side of the unit (Fig 2.1). When the lever is in the upward position, the clutch is dis­engaged, and the wheel is free to turn by hand. To engage the clutch, push the lever down fully until it is flush with the motor housing. The wheel will then be held firmly by the Wheelpilot – hand steering will not be possible until the clutch is disengaged.
2.3 Autopilot Mode
To lock the vessel onto the current heading, simply steer a straight course, engage the clutch and press the STBY/AUTO key to switch to Auto mode, indicated by the LED next to the STBY/AUTO key lighting per- manently (Fig 2.2).
To lock the pilot onto the desired course, simply steer the correct course and then engage the autopilot. The
wheel should always be in the centreline position before engaging the Wheelpilot.
If the STBY/AUTO key is pressed and held, the pilot will beep a second time and lock onto the previously used heading (this feature will not be available if the unit has just been switched on).
To disengage the pilot, press the STBY/AUTO key and lift the clutch lever. Always switch the pilot to
Standby mode when disengaging the clutch.
2.4 Adjusting Course
While in Autopilot mode, precise course adjustments can be easily made -
Clutch On
Clutch Off
Page 9
Instruction manual
To make a 1º adjustment, press either the Port or Starboard key once. This is confirmed by a single beep, and the relevant Port or Starboard LED will flash once.
To make a 10º adjustment, press and hold the key, which is confirmed by a double beep and a double flash of the Port or Starboard LED (Fig 2.3).
2.5 Autotack
The Wheelpilot has a built-in autotack facility, allow­ing easy tacking of the vessel when single or short handed. An autotack is only possible when in Autopilot mode.
To initiate autotack, press and hold the TACK key, fol­lowed by either the Port or Starboard key, depending on which direction you wish to tack (Fig 2.4). The WP10 has a factory preset autotack angle of 110º.
2.6 Rudder Movement (Gain)
The Wheelpilot uses highly advanced steering soft­ware, which constantly assesses how the vessel is being affected by the prevailing conditions. By adjusting its own performance, the pilot is able to maintain the most accurate course for these conditions, just as a human pilot would. Thus, in a rough sea the pilot is not over­worked and battery drain is kept to a minimum.
The pilot will make corrections to compensate for heading errors, in order to keep the boat on course. The amount of rudder correction made is set by the Gain (sometimes referred to as the rudder ratio).
The Gain setting can be compared to driving a motor vehicle – at high speeds, very little wheel movement is necessary to steer the vehicle (LOW Gain). When dri­ving at slow speeds, more wheel movement is neces­sary (HIGH Gain).
Fig 2.5A shows the effect of setting the Gain too low: the boat takes a long time to return to the correct heading. Fig 2.5B is ideal, errors are quickly correct­ed. Fig 2.5C occurs when the Gain too high, causing the boat to “S”, or oscillate around the correct head­ing. Excessive Gain (Fig 2.5D) causes instability of course, leading to increasing error.
To adjust Gain, please refer to section 3.3.
STBY
TACK
STBY
AUTO
STBY
TACK
STBY
AUTO
TACK
TACK
Fig 2.4 - Initiating Starboard autotack
ABCD
Fig 2.5 - Effects of Gain setting
Page 10
Wheelpilot WP10
2.7 Seastate
In rough weather, more variations in heading will be detected by the Wheelpilot due to the heavy seas yawing the vessel. If no account of this was taken, then the Wheelpilot would be overworked, causing unnecessary strain on the unit and excessive drain on the batteries. All Simrad Wheelpilots will contin­uously monitor corrections applied to the wheel over the course of a voyage, and allow a “dead band” within which the boat can go off course with­out corrections being made (Fig 2.6).
The dead band is automatically set and updated by the Wheelpilot to give the best compromise between course holding and battery consumption. However, this can be manually set if desired. To manually adjust the Seastate, please refer to sec­tion 3.4.
2.8 Autotrim
Under differing conditions a rudder bias (sometimes known as standing helm or rudder trim) is applied, in order to steer a straight course. An example is when sailing close hauled where the vessel will nor­mally pull into the wind, and the helmsman applies a standing helm to leeward in order to maintain course. The amount of this standing helm varies according to factors such as strength of wind, boat speed, sail trim and amount of sail set. If no account of these were taken, then the vessel would tend to veer off course, or pull around head to wind if sail­ing close hauled.
The Wheelpilot continuously monitors the average course error and applies a bias to the wheel to com­pensate until the optimum condition is reached. This bias or standing helm is applied gradually, so as not to upset the normal performance of the Wheelpilot. Thus, it may take up to a minute or so to fully compensate after changing tack. Once opti­mum trim is reached, the pilot will still monitor for changes in the prevailing conditions and update the trim accordingly.
D
E
A
D
B
A
N
D
º
Fig 2.6 - Seastate “deadband”
Average Course
Page 11
Instruction manual
3 Configuration
3.1 Scaling
Before using the Wheelpilot, it is necessary to pro­gram in the steering sensitivity, which is related to the number of turns that the wheel makes between end stops. This will determine the amount of steer­ing correction the Wheelpilot applies.
With the power off, press and hold the TACK and CAL keys and switch on the power. Both Port and Starboard LEDs will illuminate, the Cal LED will flash, and a repeated sequence of beeps will be heard. The number of flashes and beeps in the sequence indicates the current scaling factor.
The scaling factor is the total number of half turns from lock to lock. For example, if the wheel has three complete turns from lock to lock, the scaling factor will be 6. If there are 1
1
2 turns from lock to
lock, then the factor will be 3.
Press the Starboardkey to increase the scaling fac­tor by one, to a maximum value of 10 (= 5 turns lock to lock). Press the Port key to decrease the scaling factor by one, to a minimum value of 2 (= 1 turn lock to lock).
To confirm scaling setting and return to Standby mode, press the CAL key.
STBY
NAV
TACK
STBY
AUTO
TACK
NAV
STBY
CAL
TACK
STBY
AUTO
STBY
NAV
TACK
STBY
AUTO
NAV
Fig 3.1 - Reducing scaling factor by one
POWER
ON
Setting
(No.beeps/flashes)
2 3 4 5 6 7 8 9
10
Turns
lock-to-lock
1
1
1
2
2
2
1
2
3
3
1
2
4
4
1
2
5
CAL
CAL
Page 12
Wheelpilot WP10
TACK
TACK
STBY
CAL
TACK
STBY
AUTO
Fig 3.2 - Entering Calibration Mode
Fig 3.4 - Increasing Gain level
3.2 Calibration Mode
To adjust the Gain and Seastate settings of the Wheelpilot it is necessary to enter Calibration mode, which can be done whilst the Wheelpilot is in either Standby or Autopilot mode.
Press and hold the TACK key, followed by the CAL key (Fig 3.2). The Starboard LED will illuminate to indicate that the pilot is in Gain mode. To toggle between Gain and Seastate mode, press the TACK key (Fig 3.3). The Port LED will illuminate to indi­cate Seastate mode.
3.3 Adjusting Gain
When Gain mode is selected (indicated by the Star­board LED illuminated), the Cal LED will flash and a repeated sequence of beeps will be heard. The number of flashes and beeps in the sequence indi­cates the level of the Gain setting.
To increase the Gain, press the Starboard key the required number of times to a maximum level of 9 (Fig 3.4). To decrease the Gain, press the Port key the required number of times to a minimum level of 1.
For example, if the Gain was set at 4 (indicated by a sequence of four flashes of the Cal LED and four beeps) and needed to be increased to 7, pressing the Starboard key three times would adjust the Gain accordingly. The Cal LED would then flash seven times and seven beeps would be heard.
3.4 Adjusting Seastate
When adjusting Seastate (indicated by the Port LED illuminated), the Seastate level is indicated by the number of audible beeps and flashes of the Cal LED. No beeps or flashes of the Cal LED indicates that the pilot is set to automatic Seastate (see section 2.7).
To switch from auto to manual Seastate and increase the Seastate level, press the Starboard key the required number of times to a maximum level of 9. To decrease the Seastate, press the Port key the required number of times, to a minimum level of 0 – this will switch the Wheelpilot back to auto Seastate.
To confirm Gain/Seastate settings and return to normal operation, press the CAL key.
STBY
TACK
STBY
AUTO
Fig 3.3 - Toggling between Adjust Gain and
Seastate
TACK
STBY
NAV
TACK
STBY
AUTO
TACK
NAV
CAL
Page 13
Instruction manual
4 Installation
4.1 Fitting the Wheelpilot
With correct preparation, the Wheelpilot can be installed in under an hour. However, it is impor­tant that it is fitted correctly to operate to its max­imum efficiency. Please read this section thor-
oughly before attempting installation.
The fixing point of the Wheelpilot is the pedestal mount, which is fixed to the pedestal using two band clamps. The Wheelpilot unit attaches to this mount using two metal guide rods, which slide into slots on either side of the clamp. Thus, no holes need to be drilled to install the pilot, and it can be easily and quickly removed if necessary.
The pedestal mount supplied will fit most pedestals 100–140mm (4.0–5.5in) in diameter. Two packing pieces are supplied for use with a stan­dard 100mm (4.0in) pedestal (Fig 4.1). The pedes­tal mount has three sets of slots for the band clamps to suit the pedestal being fitted to (Fig 4.2). For pedestals over 140mm (5.5 in) diameter , a lar g­er clamp is available as a separate accessory (part no. PED200:BK).
The two guide rods are not fitted to the Wheelpilot itself when supplied and will need to be attached. As these will support any loads the Wheelpilot is subjected to, it is important that they are securely fitted. The ends of the rods have flats on them, which will allow a 12mm spanner to be used to tighten them (Fig 4.3).
1. Remove the wheel.
2. Position the pedestal mount on the front of the pedestal. The vertical distance between the centres of the circular slots and the centre of the wheel shaft should be 125mm (5.0 in) and the clamp should be exactly parallel with the wheel in both planes (Fig 4.4).
3. The exposed section of the band clamps are sloted through the sleeving provided which cov­ers the clip and also prevents it form scratching the pedestal when tightened. It is recommended that the sleeving length is reduced to approx. 25mm (1in) shorter than the length of the band clamps when tightened around the pedestal to avoid fouling the slots in the pedestal mount.
125mm (5.0 in)
Fig 4.4 - Correct positioning of pedestal mount
Sleeving
Band clamps
Pedestal
Mount
Fig 4.3 - Attaching guide rods
Fig 4.1 - Fitting to 250mm (4.0 in) pedestal
Fig 4.2 - Rear view of pedestal mount
Slots for band clamps
Packing pieces
Page 14
Wheelpilot WP10
Note, that if the sleeving has already been fitted to the clamps, it will need to be removed to facil­itate fitting.
4. The self-adhesive neoprene pad supplied should be attached to the inside face of the pedestal mount. This not only increases the grip of the pedestal mount, but also protects the pedestal from being scratched by the mount.
5. Slide the sleeving over the band clamps and thread the first clamp through the pedestal mount (using slots appropriate to the pedestal), around the pedestal and back in through the correspond­ing slot on the other side of the mount (Fig 4.5). Locate the clamp in either the top or the bottom of the slot in the pedestal mount to ensure that there is room to fit the second clamp.
6. Tighten the band clamp as far as possible, until the pedestal mount is held firmly in place and can­not be moved. Fit the second clamp following the same procedure. Fit the front plate, but do not tighten the four socket head bolts at this point.
7. Fit the Wheelpilot to the pedestal mount by inserting the two guide rods into the slots on the pedestal mount. Check that the Wheelpilot ring is centralised around the wheel shaft (Fig 4.6). If necessary, reposition the pedestal mount by removing the pilot and the front plate and loos­ening the band clamp.
8. With the clutch lever disengaged, rotate the Wheelpilot ring until the two spoke pillars are at the top.
9. Refit the wheel, ensuring that the bottom spoke sits between the two spoke clamps.
10. Two rubber clamps are supplied, that fit over the toothed spoke pillars. The holes in the clamps are offset so that by rotating them the gap between the pillars can be increased or decreased until the wheel spoke is held securely (Fig 4.7).
11. If necessary, move the Wheelpilot forward or back along the guide rods until the wheel spoke fits equally between the clamps.
12. Clip the Simrad badge onto the spoke clamps (Fig 4.8).
13. Spin the wheel from lock to lock and check that the Wheelpilot rotates freely and smoothly.
Fig 4.7 - Offset rubber spoke clamps
Fig 4.5 - Attaching clamp using band clamps
Front Plate
Pedestal
Pedestal Mount
Fig 4.6 - Pilot should be central to wheel shaft
Neoprene
Pad
Page 15
Instruction manual
Fig 4.8 - Fitting of Wheelpilot
Fig 4.9 - Keypad sun cover
If there is any oscillation at any point of rotation, this is due to the Wheelpilot being mounted slightly off-centre. Check that the pedestal clamp is not too low or too high, and that the pedestal mount and the pilot are exactly parallel to the wheel.
14. Tighten the four socket head bolts on each side of the pedestal mount so that the guide rods are held firmly in place. Do not overtighten.
The Wheelpilot is supplied with a clip-on sun cover (Fig 4.9) to protect the keypad and control unit from the elements and the effects of UV light while the pilot is not in use.
Apart from this cover, the Wheelpilot is fully pro­tected from the elements due to its weatherproof design, and can be left fitted to the pedestal with­out requiring any additional protection.
Badge
Wheel nut
Spoke
clamps
Socket head
bolts
Attaching
Badge
Page 16
Wheelpilot WP10
Fig 5.10 - Wiring connections - WP10
4.2 Electrical Installation
The Wheelpilot WP10 operates from a 12v DC sup­ply. It is designed to be permanently wired into the vessel’s 12v supply using a two core cable. If required, a two-pin waterproof plug and socket kit is available as a separate accessory (part no. SKT100).
The WP10 should be wired to the 12v power sup­ply in accordance with Fig 4.10.
• Run the cable through the pedestal using a suit­able grommet. If running the cable through the deck, use a good quality cable gland to prevent water ingress (Fig 4.11).
• Use a suitable gauge cable if an additional cable run is required to link the pilot to the power supply (see Fig 4.12).
• Connect to the vessel’s switch panel via a 10 Amp fuse or breaker.
• Do not fit other electronic or electrical equipment to this cable, or “tap into” the supply from a near­by cable – always wire each piece of equipment to its own breaker in the switch panel.
• Ensure all wire ends are tinned, and any connec­tions are well made. Poor contact will result in loss of torque from the Wheelpilot and slower speed of response.
If in any doubt, employ a qualified engineer to install the equipment.
Extra Cable
Run
Under 4m
(13ft)
4–8m (27ft)
Cross
Section Area
1.5mm
2
2.5mm
2
Conductor
Type
30/0.25
50/0.25
AWG
16
14
Fig 4.12 - Cable selection table
Core Wired To
Brown +12v DC Blue 0v
WP30
Brown 12v DC
Blue 0v
Fig 4.11 - Cable run
Cable Grommet
Page 17
Instruction manual
5 Appendix
5.1 Advice On Operation
The Simrad Wheelpilot, when used correctly, can maintain as good a course, on most points of sail as a skilled helmsman, with the advantage that they never lose concentration where a human may begin to show lapses of concentration after as little as ten minutes.
There are certain circumstances, however, where a human pilot has the advantage in being able to anticipate events which no autopilot can sense, typically in a heavy following sea. The following advice should improve efficiency when sailing using Wheelpilot:
1. When sailing close to the wind, it is easy to forget to trim the mainsail, allowing excessive weath­er helm to build up. Where a human helmsman would quickly complain, the autopilot will strug­gle on, and the boat will be sailed less efficiently. Whereas a human normally likes to feel some weather helm, this is not necessary for the functioning of the Wheelpilot. Power consumption, wear and drag will be greatly reduced, if the mainsail is freed or reefed a little sooner than normal when sailing manually.
2. It is also advisable when sailing close hauled to set a course a few degrees free of that normally sailed under manual control, to avoid luffing into the wind.
3. When running dead downwind, a human pilot can see visual signs warning him if the boat is about to gybe, which the Wheelpilot cannot sense. Therefore, when under autopilot, it is advisable not to sail as close to the gybe as you may do when sailing manually.
4. When broad reaching or running fast, particularly with quartering waves, a helmsman will naturally apply periodic larger angles of helm than when beating or sailing slowly. This is the equivalent of increasing rudder Gain, and it may be a good idea to adjust the Gain on the Wheelpilot. Many people prefer to find a compromise setting which is used for all sailing, but with practice it can be optimised for different conditions, e.g. low for motoring in a calm sea or high for running fast. If the Gain is set too low, the boat will yaw because insufficient rudder is applied in time; if the Gain is too high, the boat will continually overcorrect on each deviation, increasing power consumption.
5. While the clutch is engaged, the wheel cannot be turned manually. In an emergency situation, manual control can only be achieved by lifting the clutch lever. Do not attempt to force the wheel while the clutch is engaged as you may damage the Wheelpilot or break the internal drive belt.
6. The Wheelpilot is a highly advanced piece of equipment – as such, it is a valuable aid to enjoy­able sailing. However, it would be a mistake to become complacent. As with all electronic naviga­tional equipment, it is an aid to navigation and should not be used as a substitute for convention­al navigational practice. Remember – Maritime Law* requires that you keep a good look out at
all times.
*IMO International Regulations for Preventing Collisions at Sea, Part B Rule 5 (1972)
Page 18
Wheelpilot WP10
5.2 Fault Finding
Symptom
Pilot consistently over or under compensates when a course error is detected
After functioning normally course is suddenly lost and the Wheelpilot goes into Standby Mode.
Helm is hard over and alarm is continuously on.
Power supply is live, but pilot is not on.
Pilot does not hold accurate course in auto mode
Probable Cause
* Gain setting is respectively too high or too low. * Steering sensitivity scaling has been incorrectly set
* Power interrupted briefly, or low voltage. * Supply cable used too small. * Intermittent connection.
* Steerage way insufficient to control course, or sails are aback. * Steering scaling set too high
* Wheelpilot is wired incorrectly.
* Internal fluxgate compass is being affected by interference from nearby magnetic influences (binnacle compass, speakers) or metallic objects (winches, deck hardware etc).
Remedy
* Adjust gain setting (see section 3.3). * Enter the correct scaling for the vessel (see section 3.1).
* Increase size of cable. * Check all connections. * Charge batteries. * Uprate batteries.
* Reset the vessel on course and re-engage pilot * Enter the correct scaling for the vessel (see section 3.1).
* Check wiring of pilot (see section 4.2).
* Check compass has been calibrated (see section 5.3). * Replace binnacle compass with bulkhead compass. * Relocate objects that are causing interference.
Page 19
Instruction manual
5.3 Auto Compass Calibration
Although the Wheelpilot’s internal compass is extreme­ly accurate, after installation it is necessary to calibrate the compass to compensate for any deviations caused by objects surrounding it on board the vessel.
With the vessel motoring along slowly (2–3 knots) in calm conditions and the Wheelpilot in Standby mode, engage the clutch and press the Starboard key a num­ber of times to induce a slow clockwise rotation of the vessel. Press and hold the TACK key, followed by the Port and Starboard keys simultaneously to enter Auto Compass Calibration mode (Fig 5.1). The Port and Star­board LEDs will both light. Allow the vessel to turn through a minimum of 1
1
/4turns (450º) in approximate­ly two minutes, during which time the fluxgate compass will automatically calibrate itself.
If the rate of turn or the boat speed is too high, the Port LED will flash (Fig 5.2) indicating that it is necessary to either slow the boat or decrease the angle of turn. If the rate of turn or boat speed is too slow, the Starboard LED will flash, indicating that it is necessary increase to either the boat speed or the angle of turn. Ashort beep (3 seconds) will indicate that the calibration has been successful and the Wheelpilot will return to Standby mode. If the calibration has been unsuccessful, after a period of four minutes a long beep (6 seconds) will sound. Try again, carefully following the above direc­tions.
5.4 Adjusting Belt Tension
The belt tension is set when the Wheelpilot is assem­bled, however it may be necessary to adjust this during the lifetime of the pilot.
The tension is adjusted by means of a screw situated underneath the clutch lever (Fig 5.3). This screw is only accessible when the lever is in the up (disengaged) posi­tion. To increase the clutch tension, turn the screw anti­clockwise. To decrease the tension, turn the screw clock­wise. The scale next to the screw indicates the current tension setting. When the pointer is at the top, the clutch is at maximum tension. Minimum tension is indi­cated when the pointer is at the bottom.
TACK
TACK
TACK
TACK
Fig 5.1 - Auto Compass Calibration
TACK
Fig 5.2 - Rate of turn too fast
Fig 5.3 - Belt tensioner
Indicator pointer
Adjusting screw
Scale
Page 20
Wheelpilot WP10
SKT100
2-Way Waterproof Plug and Socket kit
PED200:BK
Large Pedestal Mount kit
for pedestals 175 to 200mm
dia (7.0 to 8.0 in).
E03011
Spare spoke clamps
(supplied individually)
E03529
Replacement badge
E03235
Extra long guide rods
5.4 Spares & Accessories
The following spares and accessories are available through your local Simrad agent. Please quote the correct part number when ordering.
5.5 Servicing
Although your Wheelpilot should seldom need servicing, for optimum performance we recom­mend that the belt is replaced every three or four seasons. Replacement belts are available from your local Simrad agent, and we recommend that the belt is replaced professionally to ensure cor­rect fitment and calibration.
The Wheelpilot will also benefit from an application of silicone or Teflon grease to the connectors each season, and by keeping the control unit and the connector’s protective cover in place when not in use.
5.6 Warranty
The unit is guaranteed for 24 months from date of retail sale. If it is necessary to have the unit repaired, return it carriage prepaid to the agent in the country of purchase with a copy of the receipted invoice showing the date of purchase. Where possible, return all the components unless you are certain that you have located the source of the fault. If the original packing is not available, ensure that it is well cushioned in packing; the rigours of freight handling can be very different from the loads encountered in the marine environment for which the unit is designed.
For Worldwide Warranty details, please refer to the Warranty Card supplied with this unit. A list of official worldwide Simrad dealers is included in the Warranty Card.
MAXIMIZING YOUR PERFORMANCE AT SEA
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