Garmin 1.2 user manual

Summary of the content on the page No. 1

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
1.2 and 2.0 L Hydraulic Pump
determined by the size and type of steering system on your boat.
Installation Instructions
Hardware needed
To obtain the best performance and to avoid damage

Summary of the content on the page No. 2

Dual Helm without Power assist Mounting the Pump 1. Disconnect the necessary lines from the hydraulic system. Before you mount the pump, if your boat has an unbalanced cylinder steering system, you must install the optional unbalanced valve kit 2. Add the t-connector to the starboard line between the helm (page 3). t-connector and the steering cylinder. 3. Connect the starboard line t-connector to the starboard fitting of the 1. After you select a mounting location, determine the mounting

Summary of the content on the page No. 3

3. If the screws do not protrude the same distance, loosen the shorter Hydraulic Fluid Bleeding screw until they protrude the same distance. notice 4. Unscrew each screw by two and one-half turns. The following is a general procedure for bleeding a hydraulic steering system. Refer to the instructions provided by the manufacturer of Engaging and Disengaging the Shutoff Valve the steering system for more-specific information about bleeding the system. notice When disengaging the shutoff valve

Summary of the content on the page No. 4

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 install 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 ➊ ➊ ➍ Retu

Summary of the content on the page No. 5

Dual Helm without Power assist Layout ➊ ➍ ➋ ➌ ➎ ➏ ➐ ➑ Starboard line ➊ Return line ➋ Port line ➌ ➍ Shadow Drive Pump ➎ Lower helm ➏ Upper helm ➐ Steering cylinder ➑ 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 m

Summary of the content on the page No. 6

Single Helm with Power assist Layout Starboard line ➊ ➊ ➍ ➋ ➋ Return line ➌ Port line ➌ Shadow Drive ➍ Helm ➎ Power assist module ➏ ➎ Pump ➐ Steering cylinder ➑ 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. ➏ • 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 m