Garmin Lawn Mower 1.2 User's Manual
Contents
1. Liberty House Hounsdown Business Park Southampton Hampshire SO40 9LR UK Garmin Corporation No 68 Zhangshu 2 Road Xizhi Dist New Taipei City 221 Taiwan R O C www garmin com March 2011 190 01332 02 Rev A Printed in Taiwan2. installation instructions provided with your Garmin autopilot for ECU installation instructions Connect the two cables from the pump to the ports on ECU marked DRIVE and FEEDBACK The ports are keyed to the fittings on the cables 1 2 L and 2 0 L Hydraulic Pump Installation Instructions Hydraulic Fluid Bleeding NOTICE The following is a general procedure for bleeding a hydraulic steering system Refer to the instructions provided by the manufacturer of the steering system for more specific information about bleeding the system Before you bleed the hydraulic system ensure that all hose connections are complete and fully tightened de daa Bleeding 1 Complete an action Ifthe helm reservoir contains insufficient fluid fill it with the appropriate amount of hydraulic fluid Ifthe helm reservoir contains excess fluid remove the excess to avoid fluid overflow during the bleeding process Manually steer the helm to both cylinder stops Manually steer the helm fully to port Open a bypass valve at the cylinder port Turn the helm slowly to port for three minutes Close the cylinder bypass valve Add fluid to the helm reservoir if necessary a E O ee A Repeat steps 2 through 7 until the helm reservoir remains full Corrosion Blocker NOTICE To ensure long life of all parts apply corrosion blocker to the pump at least twice yearly After the pump installation is complete and all hydraulic connections and
3. steering system you must install the optional unbalanced valve kit page 3 1 After you select a mounting location determine the mounting hardware needed for the surface Mounting hardware is included with the pump but it may not be suitable for the mounting surface 2 Ifnecessary purchase the mounting hardware 3 Hold the pump in the intended mounting location and mark the locations of the mounting holes on the mounting surface using the pump as a template 4 Using a drill bit appropriate for the mounting surface and selected mounting hardware drill the four holes through the mounting surface 5 Secure the pump to the mounting surface using the selected mounting hardware Connecting the Pump to Hydraulic Lines NOTICE Do not attempt to use the autopilot to steer the boat until you bleed all air from each part of the hydraulic system page 3 When adding hydraulic line to the system use only hose with machine crimped or field replacable fittings that have a minimum rating of 1000 lbf in Do not use plumber s tape on any hydraulic fitting Use an appropriate thread sealant rated for marine use on all pipe threads in the hydraulic system Before you connect the pump to the hydraulic lines consult one of these diagrams to find the correct place to add the pump and fittings to the hydraulic system e Single helm without power assist page 4 e Dual helm without power assist page 5 Single helm wit
4. A GARMIN 1 2 and 2 0 L Hydraulic Pump Installation Instructions To obtain the best performance and to avoid damage to your boat install the Garmin 1 2 2 0 L hydraulic pump according to the following instructions These instructions are a supplement to the installation instructions provided with your Garmin autopilot Professional installation of the pump is highly recommended because specific knowledge of hydraulic steering componentry is required to properly install the pump Read all installation instructions before proceeding with the installation If you experience difficulty during the installation contact Garmin Product Support Registering Your Product Help us better support you by completing your online registration today e Go to http my garmin com e Keep the original sales receipt or a photocopy in a safe place Contacting Garmin Product Support Contact Garmin Product Support if you have any questions about this product Inthe USA go to www garmin com support or contact Garmin USA by phone at 913 397 8200 or 800 800 1200 In the UK contact Garmin Europe Ltd by phone at 0808 2380000 In Europe go to www garmin com support and click Contact Support for in country support Important Safety Information Your are responsible for the safe and prudent operation of your vessel The autopilot is a tool that will enhance your capability to operate your boat It does not relieve you from the responsibl
5. U cannot be extended The pump should be mounted horizontally if possible Ifthe pump cannot be mounted pump horizontally it must be mounted vertically with the pump head connectors facing up The pump must be in a location to which you can extend the hydraulic steering lines of the boat 1 2 L and 2 0 L Hydraulic Pump Installation Instructions Single Helm with Power Assist Layout A amt 4 pe Starboard line Return line Port line Shadow Drive Helm Power assist module Pump O E E O Steering cylinder Installation Considerations An unbalanced cylinder requires an unbalanced valve on the pump The pump must be located within 19 in 0 5 m of the ECU The cables that connect the pump to the ECU cannot be extended The pump should be mounted horizontally if possible If the pump cannot be mounted pump horizontally it must be mounted vertically with the pump head connectors facing up The pump must be in a location to which you can extend the hydraulic steering lines of the boat Removal of the power assist module may be necessary to gain access to the fittings hoses and bleed tee fitting The pump must be installed between the cylinder and the power assist module A GARMIN 2011 Garmin Ltd or its subsidiaries Garmin International Inc 1200 East 151 Street Olathe Kansas 66062 USA Garmin Europe Ltd
6. draulic fluid e Thread sealant Hydraulic bleeding equipment e Mounting screws mounting screws are provided in the pump kit but if the provided screws are not appropriate for the mounting surface you must provide the correct types of screws Tools Needed Safety glasses Drill and drill bits e Wrenches e Torque wrench if installing unbalanced kit e Wire cutter strippers e Screwdrivers Phillips and flat e Cable ties Marine sealant Marine corrosion inhibitor spray Pump Installation Because every boat is different care must be taken when planning the pump installation 1 Choose a mounting location page 1 2 Mount the pump page 2 3 Connect the pump to the hydraulic lines page 2 4 Connect the pump to the autopilot ECU page 2 Choosing a Mounting Location 1 Consult the diagrams on pages 4 6 for connection and dimension considerations 2 Choose a location to install the pump considering these guidelines The pump must be located within 19 in 0 5 m of the ECU e The cables that connect the pump to the ECU cannot be extended The pump should be mounted horizontally if possible Ifthe pump cannot be mounted pump horizontally it must be mounted vertically with the pump head connectors facing up The pump must be mounted in a location to which you can extend the hydraulic steering lines of the boat Mounting the Pump Before you mount the pump if your boat has an unbalanced cylinder
7. electrical connections are made apply a marine rated corrosion blocker to the pump Unbalanced Valve Kit If your boat has an unbalanced cylinder steering system you must install the optional unbalanced valve kit Installing the Unbalanced Valve Kit 1 Remove the four screws that hold the manifold to the pump body and remove the manifold from the pump body 2 Replace the o rings on the pump body with the o rings supplied in the unbalanced kit 3 Place the unbalanced valve between the pump body and the manifold with the o rings on the unbalanced valve facing the manifold 4 Use the longer screws supplied in the unbalanced kit to connect the manifold and unbalanced valve to the pump body Use thread locking compound and tighten the screws to 35 Ibf in 3 95 N m Calibrating the Unbalanced Valve NOTICE Do not unscrew the brass screws more than the specified amount Do not operate the system with the brass screws fully tightened Before you calibrate the unbalanced valve you must install the unbalanced valve and connect the hydraulic lines The brass calibration screws on the sides of the unbalanced valve adjust the valve 1 Tighten both calibration screws until they stop 2 Measure the distance by which each screw protrudes 1 2 L and 2 0 L Hydraulic Pump Installation Instructions 3 Ifthe screws do not protrude the same distance loosen the shorter screw until they protrude the same distance 4 Unscrew each scre
8. h power assist page 6 The pump has two sets of hose connector fittings to allow for different hose configurations You can use either set of fittings or a combination of the two Where necessary add hydraulic hose Single Helm without Power Assist 1 Disconnect the necessary lines from the hydraulic system 2 Add the t connector to the starboard line 3 Connect the starboard line t connector to the starboard fitting of the pump 4 Add the t connector to the port line 5 Connect the port line t connector to the port fitting of the pump 6 Install the Shadow Drive to the port or starboard line between the helm and the t connector See the installation instructions provided with your Garmin autopilot for Shadow Drive installation instructions 7 Connect the return line from the helm to the return fitting of the pump 8 Insert tighten and seal the plugs in the unused pump fittings Dual Helm without Power Assist 1 Disconnect the necessary lines from the hydraulic system 2 Add the t connector to the starboard line between the helm t connector and the steering cylinder 3 Connect the starboard line t connector to the starboard fitting of the pump 4 Add the t connector to the port line between the helm t connector and the steering cylinder 5 Connect the port line t connector to the port fitting of the pump 6 Install the Shadow Drive to the port or starboard line between the helm t connector and the pump t co
9. ility of safely operating your boat Avoid navigational hazards and never leave the helm unattended See the Important Safety and Product Information guide in the autopilot product box for product warnings and other important information Failure to install and maintain this equipment in accordance with these instructions could result in damage or injury Always wear safety goggles ear protection and a dust mask when drilling cutting or sanding NOTICE This equipment should be installed by a qualified marine installer This equipment is only for use with Garmin autopilots When drilling or cutting always check the opposite side of the surface Be aware of fuel tanks electrical cables and hydraulic hoses 1 2 L and 2 0 L Hydraulic Pump Installation Instructions About the 1 2 2 0 L Hydraulic Pump The 1 2 2 0 L hydraulic pump steers your boat by interacting with the hydraulic steering system based on commands you enter using the autopilot display unit The pump is not included in the autopilot core package box because the type of pump you use with your autopilot is determined by the size and type of steering system on your boat Hardware Needed e 1 2 2 0 L pump kit part number 010 11098 00 e Unbalanced kit if installing in a boat with an unbalanced steering cylinder part number 0 10 11201 00 e Hydraulic hose with machine crimpted or field replaceable fittings that have a minimum rating of 1000 Ibf in e Hy
10. nnector See the installation instructions provided with your Garmin autopilot for Shadow Drive installation instructions 7 Connect the return line from the helm t connector to the return fitting of the pump 8 Insert tighten and seal the plugs in the unused pump fittings Single Helm with Power Assist 1 Disconnect the necessary lines from the hydraulic system 2 Add the t connector to the starboard line between the power assist module and the steering cylinder 3 Connect the starboard line t connector to the starboard fitting of the pump 4 Add the t connector to the port line between the power assist module and the steering cylinder 5 Connect the port line t connector to the port fitting of the pump 6 Install the Shadow Drive to the port or starboard line between the helm and the power assist module See the installation instructions provided with your Garmin autopilot for Shadow Drive installation instructions 7 Remove the bleed tee fitting from the return line of the power assist module 8 Install the bleed tee fitting on the return fitting of the pump 9 Add the t connector to the return line between the power assist module and the helm 10 Connect the return line t connector to the return fitting of the pump 11 Insert tighten and seal the plugs in the unused pump fittings Connecting the Pump to the ECU Before you connect the pump to the ECU you must mount the pump page 2 and ECU See the
11. stall the pump contact Garmin Product Support Before you start the pump installation identify the type of hydraulic steering system in your boat Each boat is different and you must consider certain aspects of the existing hydraulic layout before deciding where to mount the pump Single Helm without Power Assist Layout Starboard line ggm Return line Port line Shadow Drive Pump Helm SHOMOMOMOMOMS Steering cylinder Installation Considerations An unbalanced cylinder requires an unbalanced valve on the pump The pump must be located within 19 in 0 5 m of the ECU The cables that connect the pump to the ECU cannot be extended The pump should be mounted horizontally if possible If the pump cannot be mounted pump horizontally it must be mounted vertically with the pump head connectors facing up The pump must be in a location to which you can extend the hydraulic steering lines of the boat 1 2 L and 2 0 L Hydraulic Pump Installation Instructions Dual Helm without Power Assist Layout I D D m Starboard line Return line Port line Shadow Drive Pump Lower helm Upper helm Steering cylinder 1000 000 O Installation Considerations e An unbalanced cylinder requires an unbalanced valve on the pump The pump must be located within 19 in 0 5 m of the ECU e The cables that connect the pump to the EC
12. w by two and one half turns Engaging and Disengaging the Shutoff Valve NOTICE When disengaging the shutoff valve do not force the three brass screws past the stopping point Forcing the screws past the stopping point may permanently damage the manifold The 1 2 2 0 L pump features a shutoff valve that isolates the pump from the hydraulic system for troubleshooting and repairing the system When the shutoff valve is engaged the boat steers normally and the autopilot cannot control the steering system When the shutoff valve is engaged you can remove the pump from the system for repair without disconnecting any hydraulic lines Complete an action To engage the shutoff valve fully tighten the three screws e To disengage the shutoff valve fully loosen the three screws Removing the Pump Before you remove the pump from the hydraulic system you must engage the shutoff valve page 3 1 Remove the four socket head cap screws that connect the manifold to the pump 2 Disconnect the pump from the ECU 3 Remove the pump from its mounting location Reconnecting the Pump 1 Mount the pump in its original location 2 Connect the pump to the ECU 3 Connect the manifold to the pump using the four socket head cap screws 4 Disengage the shutoff valve page 3 Hydraulic Layouts NOTICE If the steering system in the boat does not match any of the hydraulic layouts in this manual and you are unsure how to in
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