User manual RAYMARINE TYPE 300 AUTOPILOT COURSE COMPUTER

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[. . . ] 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. TYPE 100/300 AUTOPILOT Installation and Set Up Contents 3 Contents Chapter 1: Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1. 1 ST7000 Control Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 1. 2 ST6000 Control Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] The presence of air in the hydraulic system will not only reduce performance of the autopilot but also the overall operation of the steering system. Further to the manufacturer's instructions for bleeding the steering system, the following procedures should be carried out to bleed the autopilot pump. Press and hold the -10 degree key : the autopilot pump will try to drive the rudder to port. Counter this rudder movement by turning the helm to starboard to keep the rudder stationary. This will cause any air in the pump to rise to the helm pump and exhaust into the reservoir. Chapter 2: Installation 41 3. Reverse this action to clear any air on the other side of the pump as follows: 4. Press and hold the +10 degree key: the autopilot will try to drive the rudder to starboard. Counter the rudder movement by turning the helm to port. Note: Monitor the reservoir tank at all times during the bleeding procedure, make sure it remains full of the hydraulic fluid recommended by the manufacturer. If air is left in the system the steering will feel spongy, particularly when the wheel is turned to the hardover position. Constant Running Hydraulic Pump Mounting Bolt the constant running hydraulic pump to a suitable horizontal surface. where required. Reservoir port (3/8in B. S. P. ) Service port (1/4in B. S. P. ) D765-1 42 TYPE 100/300 Operation and Installation Handbook Cabling The constant running interface must be used on all installations with constant running hydraulic pumps. The main power supply is led to the interface and then onto the course computer. The interface unit has connections for the solenoid valves and the bypass valve, if one is required. The pump should be wired (as shown) using the specified cable size and designated circuit breaker. Supply 3L (12V) ­ 50A 4. 5L (12V) ­ 70A 3L (24V) ­ 30A 4. 5L (24V) ­ 40A To bypass valve Main breaker Clutch drive 25A Type CR interface unit Solenoid 'A' cable D2 M1 M2 SUPPLY CLUTCH +­ +­ RLY1 Power pack motor supply D778-1 BYPASS BATTERY VALVE +­ +­ +­ A B SOLENOIDS D1 +­ Chapter 2: Installation 43 Pump Cable Cable Length (Distribution Panel to Pump) Up to 3m (10ft) Up to 7m (22ft) Up to 16m (52ft) Cable Gauge Copper Area 8 AWG 6 AWG 4 AWG 6 mm 10 mm 16 mm 81004-07 Solenoid Cable Solenoid Cable Length (Course Computer to Pump) Up to 7m (23ft) Up to 12m (39ft) Up to 17m (55ft) Cable Gauge Copper Area 12 AWG 10 AWG 8 AWG 2. 5 mm 4. 0 mm 6. 0 mm 81004-08 An isolator switch should be installed in the power supply to the complete system. If larger cable is required, 18 inches of 12 AWG should be used to wire to the connectors. The Type CR Interface may also be connected to alternative constant running hydraulic pump providing: · the solenoid coils take less than 10 amps · the response time of the solenoid valve is less than 80 milliseconds · the operating voltage of the solenoid coils is the same as the course computer supply voltage. It is important to minimise the overall cable length between the pump and the vessels power distribution panel. 44 TYPE 100/300 Operation and Installation Handbook Plumbing If the autopilot operated hydraulic cylinder is independent of the manual steering system, a solenoid operated bypass valve (Z079 (12V), Z122 (24V)) should be fitted to allow the cylinder to backdrive when manual steering. The bypass valve should be connected to the `bypass' connector on the Type CR Interface Unit. The bypass valve should be mounted between the autopilot steering cylinder ports and, under normal circumstances, be de-energised to allow the cylinder to backdrive. When the autopilot is engaged, the valve is energised by the Type CR Interface to allow the autopilot steering cylinder to drive the rudder. Hydraulic cylinder Bypass valve Autopilot hydraulic drive Manual steering system Cable to course computer 'Bypass' connector D766-1 Note: The bypass valve voltage must be matched to the course computer supply voltage, i. e. 12V or 24V. If the steering cylinder is unbalanced (single ended), a pilot operated pressure relief valve must be connected (as shown) to enable excess oil to be returned to the reservoir when the cylinder ram is retracting. Chapter 2: Installation 45 Hydraulic Linear Actuator The hydraulic linear actuator, with built in solenoid operated bypass valve and load limiting system, is designed for use as a secondary autopilot steering cylinder. The system is supplied prefilled and preplumbed for ease of installation. 6 1 5 4 9 7 10 2 8 3 11 X Drive Type 2 Type 3 Dimension X 180mm (7. 1in) 267mm (10. 5in) D776-1 1 Reservoir 2 Pump 3 Cylinder 4 Tie-wrap 5 Clip 6 Reservoir hose 7 Pump hose A 8 Pump hose B 9 Cylinder hose 10 Cylinder ball joint 11 Quadrant Installation Caution: It is important to note that the hydraulic linear actuator can exert a thrust of upto 2700 Ibs - this is the equivalent weight of a large family saloon car. If there is any doubt about the strength of the existing tiller arm or quadrant the steering gear manufacturer must be consulted. [. . . ] This can be adjusted as follows: Select response level 3 and then scroll to the gain display. Adjust the value as required and save the new value by pressing the up and down response keys together momentarily. Chapter 5: Initial Sea Trials 97 5. 8 Rudder Gain Adjustment (High Speed Planning Craft) Warning:ItisparticularlyimportantthattheRudderGainiscorrectlyset onhighspeedcraft. Incorrectadjustmentwillleadtopoorsteering performanceandisadangerousconditionat highspeed. Adjust as follows: · Set to Rudder Gain for optimum steering performance at the vessels normal cruising speed. Adjust either side of the calibrated setting to provide optimum autopilot steering. 5. 9 Rudder Gain - Adjustment with Speed Due to the significant differences in dynamic stability between planing and non-planing conditions, most high speed craft require Rudder Gain adjustment when going from planing to displacement speeds or vice versa. [. . . ]

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