Description Compatibility: Fits Seastar hydraulic steering systems. Used to refill the boat's steering fluid system. Compatible with 1. Used to refill the boat's steering fluid system. 2. Standard Seastar rudder-to-bottle connection - do not puncture the bottle 3. Custom bridge hose connects the bleed ports on the steering cylinder. Installation instructions: 1. Attach the bottle to the rudder reservoir (do not puncture the bottle) (do not let the bottle dry) 2. Connect the bridge hose to the bleed nipples on the steering cylinder and loosen/open the fittings. 3. Use the rudder to pump fluid through the system by turning the wheel in one direction. Air bubbles will be forced to the reservoir at the rudder. 4. Manually crank the outboard through full rotation to release trapped air and confirm good bleeding. 5. Note: If you point the bleed nipples upwards while pumping fluid with the rudder, air may leak from the cylinder. 6. Repeat 3-4 as needed until no air is visible in the bridge hose. 7. Tighten the bleed nipples before removing the bridge hose. Package includes: 1 set x refill kit for boat air pump