© 2014
SeaStar Solutions
Optimus Installation Manual, Rev. E
4-12
The steering service valves are integrated with the power steering
pumps. When open they allow the engines to be manually repositioned,
and are used for maintenance or in case of emergency. The pumps
must be installed so that the valves are accessible and visible to the
operator. The supplied decal (figure 1-5) must be applied in a visible
location near the service valve.
If you can’t install the pumps in such a way that the valves are
accessible, use the remote-mounted service valve kit HA5480 (one
per steering cylinder). These service valves can be mounted in a
convenient location.
Turn the knob fully counterclockwise (about 3 turns) to open the
service valve, and clockwise to close. Turn just until you feel the
valve contact the stop – do not use tools or overtighten.
4.3.6 Steering Service Valves
These must be supplied by the installer and typical mounting choices
are near the batteries, near the pumps or in a circuit breaker panel.
A 60 amp circuit breaker is required for each of the two PCM
power feeds.
Use only circuit breakers designed for marine use, and with corrosion-
resistant, stainless steel connection hardware.
Refer to ABYC wiring standards for all wiring best practices.
4.3.7 Circuit Breakers
Figure 4-11. Service valve location.
SERVICE
VALVE
POWER
STEERING
PUMP