Related Manuals for Raymarine Autohelm 4000
Summary of Contents for Raymarine Autohelm 4000
- Page 1 Distributed by Any reference to Raytheon or RTN in this manual should be interpreted as Raymarine. The names Raytheon and RTN are owned by the Raytheon Company.
- Page 3 AUTOHELM 4 0 0 0 The full system is shown below (Fig. 1) Autohelm 4000 is an up-to-the-minute digital autopilot which shares the same The system is designed for owner microprocessor technology built into our installation which aided by the following...
- Page 4 STEERING SYSTEM Hydraulic slip across the helm pump The Autohelm 4000 is designed to produces significant lost motion which operate with steering systems having will impair steering performance. between 1 and 3.5 turns lock to lock.
- Page 5 MOUNTING THE PEDESTAL BRACKET Fig.6 DISHED WHEEL The pedestal bracket pin should be cut to length to suit the pedestal as follows: Replace the wheel and measure the distance between the backplatc of ttre drive unit and the pedestal (dimension A Fig.
- Page 6 CONTROL [JNIT ALTERNATIVE DRIVE UNIT MOUNTING The control unit (Fig. 13) slots into a POSITIONS The fluxgate permanently mounted socket sited in the cockpit. It contains a gimballed fluxgate correct steering sense when’ the drive motor is facing forward. compass and therefore has some restrictions on mounting position.
- Page 7 Run the cable back to the control unit socket (Fig. 16) and connect as follows: Accessory Connection Fig. 16 EARTH POWER SUPPLY The Autohelm 4000’s accessories plug (Blue) (Pre-wired at into the contrdl unit to facilitate stowing Factory) DRIVE UNIT and servicing.
- Page 8 -.--- ~~_--. .--- ----- ___-~-_--__--~-- KEYPAD OPERATION Full control of the Autohelm 4000 is provided via a simple six button key pad. The basic control functions are as follows: When the autopilot is switched on it will always start up in Stand by mode.
- Page 9 Push once to change over to automatic compass heading control and maintain the current heading. AUTOTACK FUNCTION The Autohelm 4000 has an automatic tacking function which operates in both with minimum current compass and windvane mode as follows:- The Auto Tack function operates by selecting a pre-set course change (1 OO”) to bring the vesselbnto the...
- Page 10 OPERATING MODE INDICATION The operating mode of the Autohelm 4000 is indicated by a flashing LED as follows:- LED FLASHING CODE OPERATING MODE STANDBY Provides power steering. AUTO Autopilot steers to maintain compass heading. WINDVANE Autopilot steers to maintain apparent wind angle.
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Page 11: Sea Trials
SEA TRIALS 0 Alter course to port or starboard in Initial sea trials should be carried out in calm conditions with plenty of sea room. multiple increments of 1 and 10 The previously conducted functional test degrees. will have verified that the autopilot is operating correctly and that you are familiar with all of its controls. - Page 12 Auto-Tack Function 0 The yacht will complete a 1 OO” course change to bring it onto the opposite The following additional trial is recommended: tack. Steer onto a constant heading approximately IO0 free of close hauled Press Auto to lock onto the current heading or both red keys to lock onto the apparent wind if a vane is fitted.
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Page 13: Operating Hints
OPERATING HINTS has the effect of amplifying rudder The Autohelm 4000’s computer response on northerly headings. The continuously optimises automatic steering tendency towards northerly heading performance eliminating the need for operator supervision. instability is usually more obvious at higher speeds and when it occurs can be...
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