GARMIN 1.2L and 2.0L Pump Check Valve Instructions
- June 7, 2024
- Garmin
Table of Contents
1.2L and 2.0L Pump Check Valve Instructions
| Item | Description |
|---|---|
| 1 | The pump and the check valve use ORB-5 fittings. Fittings are not |
included with the pump or check valve.
2| The hoses connecting the pump to the check valve must not exceed 2 ft.
(60 cm). Hydraulic hoses are not provided with the pump or check valve.
3| Check valve ports:
V1N2: Connect to the pump hoses
C1/C2: Connect to the steering cylinder hoses
---|---
4| The return hose from the pump to the helm does not connect to the check
valve.
See the installation instructions provided with the pump for more information.
5| The hoses from the C1/C2 ports on the check valve should connect to the
port and starboard steering lines using T-connectors.
See the installation instructions provided with the pump for more information.
Completing the Check Valve Installation
Due to the purpose of a check valve, it may be difficult to bleed the air from
the hydraulic hoses between the pump and the check valve, as well as the fluid
spaces within the pump.
Because the check valve stops fluid from flowing back into the pump from the
steering system, the pump may have difficulty self-priming. To correct this, a
power purge is necessary after installing the check valve.
-
Using the appropriate tools for your steering system perform a power purge to fill the pump and check the valve with hydraulic fluid.
A power purge causes a slight pressure rise in the reservoir which pushes fluid into the pump to prime it. -
Follow the instructions provided with your Garmin® autopilot system to bleed the hydraulic system.
© 2021 Garmin Ltd. or its subsidiaries
February 2021
190-02320-03_0A
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