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How to Self-Bleed Hydraulic Steering?

Hydraulic Steering Self-Bleeding Kit from Buckshot Racing 77
Hydraulic Steering Self-Bleeding Kit from Buckshot Racing 77

Instructions for SeaStar and Like-Kind Steering Systems


The Hydraulic Steering Self-Bleeding Kit from Buckshot Racing 77 is designed for bleeding SeaStar and like-kind front-cylinder hydraulic steering systems (such as Pro Steering, and UFlex).


This bleed kit system enables single-operator bleeding without the use of pressure-fill equipment, helping to reduce the risk of seal damage at the helm or cylinder.


Kit Components


  1. Brass steering helm adapter fitting

  2. Steering cylinder bridge tube

  3. Fill tube

  4. Fluid bottle connector with snap-fit to helm adapter


Instructions for Use


1. System Preparation


  • Inspect all steering system components, including hoses and fittings, for wear or damage.

  • Center the outboard motor or rudder.

  • Secure the vessel to prevent movement during the bleeding process.


2. Connecting the Bleed Kit


  • Attach the bridge tube to both bleed fittings on the steering cylinder. This creates a closed loop that allows fluid to circulate through both sides of the cylinder.

  • Remove the fill plug from the helm pump.

  • Install the brass helm adapter into the fill port and connect the fill tube.

  • Attach the fluid bottle connector to a container of approved hydraulic steering fluid. Position the bottle above the helm for gravity feed.


3. Bleeding Procedure


  • Turn the steering wheel fully clockwise. This allows fluid to move through the system, displacing air into the bridge tube.

  • Turn the wheel fully counterclockwise to reverse the fluid flow.

  • Repeat this cycling process several times.

  • Monitor the bridge tube for air bubbles. Continue until no bubbles are visible.

  • Maintain the fluid bottle at an elevated level throughout the process to ensure consistent fluid feed and to prevent air from re-entering the helm.


4. Final Steps and System Check


  • Close both bleed fittings once the system is confirmed free of air.

  • Disconnect the bridge tube and fill tube.

  • Reinstall the helm’s fill plug and tighten securely.

  • Turn the wheel fully in both directions to confirm proper system function.

  • Inspect all connections for leaks.


Additional Notes


  • The Hydraulic Steering Self-Bleeding Kit from Buckshot Racing 77 is compatible with SeaStar and other front-cylinder hydraulic systems.

  • It supports a range of high-output systems, including Buckshot Racing 77 350 HP and 700 HP steering setups.

  • This kit is intended for use with gravity feed only. External pressurization is not recommended.


Download PDF Instructions free: Sheet Hydraulic Steering Self-Bleeding Kit:







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