2 ClassBDriveUnitInstallationInstructions
➊ ➋
➌
➍
➎
➏
➐
➑
➊
Reservoir
➋
Cylinder/ram
➌
Tiller bolt and ttings
Suitable for a quadrant or tiller arm thickness of .79 in. (20 mm) to
.98 in. (25 mm)
➍
Rudder feedback kit
➎
Cylinder fasteners
• M8 bolts, washers, and nuts
• Suitable for mounting the cylinder on a surface between .47 in.
(12 mm) and .95 in. (24 mm) thick
➏
Hydraulic oil
➐
Pump
➑
Pump fasteners
M8 bolts, washers, and nuts
The fasteners listed above are used to secure the components to the
packaging. Do not discard the hardware when unpacking the drive unit.
• Tiller arm (if needed, page 2)
• End stops (page 2)
• Screws to mount the reservoir (page 3)
• Safety glasses
• Drill and drill bits
• Wrenches
• Torque wrench
• Loctite
®
638
™
or equivalent (recommended, page 4)
You can connect the drive unit to either an existing quadrant or to a tiller arm
(not included).
If you do not have a quadrant or can not install the drive unit at your
quadrant location, choose a tiller arm that ts the diameter of your rudder
post and is the correct length for the installation location.
The supplied tiller bolt is suitable for a quadrant or tiller arm thickness of
.79 in. (20 mm) to .98 in. (25 mm).
The cylinder must not act as a drive limiter. Physical end stops (not included)
must be in place to limit the cylinder-rod travel to 12 in. (305 mm) from fully
retracted to fully extended, or damage to the cylinder will occur.
When selecting a location to mount the cylinder, the pump, and the
reservoir, consider these guidelines:
• The system was lled and tested at the factory, so none of the
hydraulic hoses should be disconnected to install the system.
• The components must all be installed under deck.
• The motor should not be installed in a location where it is exposed to
excessive temperature (page 6), vibration, or fumes.
Any of these extremes can reduce the life of the motor.
• Avoid contact with water and excessive humidity.
• Motor-brush holders are located on both sides of the motor, and the
motor should be installed so that the motor brushes are accessible for
service (page 3).
• The cylinder must be mounted securely on a surface that is able to
withstand the high thrusts generated by the rudder.
• The cylinder must be installed within specic extension and angle
limitations (page 8).
◦ The cylinder-rod movement must be limited by physical stops to
12 in. (305 mm) from fully retracted to fully extended, or damage
to the cylinder will occur.
◦ No part of the cylinder or rod should contact the vessel, quadrant,
or tiller arm throughout the full range of movement.
◦ The 5° angle at the extremes of the stroke (page 8) must not be
exceeded, or damage the cylinder bearings and the rod will occur.
An example illustration is available in the appendix (page 9).
(15 pagine)
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