DC Power Steering System
5
System Installation
• Install SeaStar helm pump(s) using installation instructions
provided with your helm.
• Install steering cylinder using the installation instructions
provided with your cylinder.
Install non-vent plug part # HA5432 into ALL helm pump stations
on board vessel. Failure to properly install non-vent plugs can
result in loss of steering causing property damage, personal injury
and/or death.
Included with your kit
Additional items required
for installation
WARNING
STEP 1
System Overview
DC POWER STEERING UNIT
• Power steering cylinder (See cylinder selection guide, and
page 3 for DCPU compatibility).
• Hoses (See hose information on page 9).
• Liquid Teflon Sealant (DO NOT USE TEFLON TAPE).
• Helm (1.4 or 1.7 NFB models ONLY).
• Non-vent caps for helms.
• Wiring (see "Wiring Connections" section for details).
• 90A peak power supply on vessel.
• Autopilot controller (Optional).
• Fast Purge Kit (Optional).
• SeaStar Steering Fluid.
1.85 gal (7L) for Power Unit tank
0.13 gal (1/2L) for each steering cylinder
0.26 gal (1L) for each helm station
Additional 1–2 gal (4–8L) depending on hose length and type
• Misc. mounting hardware.
• Misc. crimp or solder connectors for making electrical
connections.
• One HF5529 fitting kit per additional helm station
SeaStar
DC Power
Unit x 1
Relief Valve
Module x 1
Bleeder Tube with Clamps x 1
Screws for Relief Valve x 3
Quad Ring
Seals x 2
90° Elbow
Fittings x 2