Raymarine Hydraulic Pump, Installation Manual

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 2: ...ered M81120 Type 1 Hydraulic Pump 12 V M81119 Type 1 Hydraulic Pump 24 V M81121 Type 2 Hydraulic Pump 12 V M81123 Type 2 Hydraulic Pump 24 V M81122 Type 3 Hydraulic Pump 12 V M81124 Type 3 Hydraulic P...

Page 3: ...se and navigational judgement Always maintain a permanent watch so you can respond to situations as they develop EMC conformance All Raymarine equipment and accessories are designed to the best indust...

Page 4: ...for use on boats with an existing hydraulic steering system Alternatively you can use this pump on a boat with mechanical steering in conjunction with a secondary steering ram The hydraulic pump conta...

Page 5: ...30 cc 4 9 14 in3 230 350 cc 14 21 in3 350 500 cc 21 30 5 in3 Maximum stall pressure at 12 V 50 bar 750 psi 100 bar 1450 psi 80 bar 1160 psi Peak flow rate no load 1000 cc min 67 in3 min 2000 cc min 12...

Page 6: ...lic pipes hydraulic fluid T pieces pipe fittings and thread sealing compound see page 8 suitable securing bolts and lock washers lock nuts see page 8 suitable cable and electrical connectors for the d...

Page 7: ...Although every effort has been taken to ensure that they will perform under all conditions it is important to understand what factors could affect the operation of the product The guidelines given he...

Page 8: ...for engine start Voltage drops below 10 V and starter motor transients can cause theequipment to reset Thiswill notdamage the equipment but may cause the loss of some information and may change the o...

Page 9: ...ts and lock washers 3 Hydraulic connections CAUTION Before you connect the autopilot pump to your hydraulic system we strongly recommend that you consult the steering gear manufacturer General guideli...

Page 10: ...fnecessary use a pipe sealing compound to ensure a leakproof joint CAUTION Beforerunning the pump forthe firsttime make sure the system contains sufficient hydraulic fluid You will damage the pump if...

Page 11: ...ms you will need to connect a third hydraulic pipe as shown between the autopilot pump and the helm pump or system reservoir Two line systems Figure 5 shows a typical two line steering system Hydrauli...

Page 12: ...stem and reduces any steering sponginess caused by pipe expansion Connect the autopilot pump to the steering system as shown in Figure 6 Note Refer to the manufacturer s instructions for de pressurizi...

Page 13: ...her side of the ram to the reservoir via a common return line The system will include a check valve block to direct all returned fluid from the ram back to the reservoir Connect the autopilot pump to...

Page 14: ...zes 2 Join these cables to the ones on the pump using appropriate electricalconnectorsorjunctionboxesatthecorrectpowerrating 3 Route thecables backto the coursecomputer taking into account the EMC ins...

Page 15: ...s shown in Figure 9 Connect the bypass valve to the CLUTCH terminals on the course computer using at least 1 5 mm2 16 AWG copper cable Table 2 Recommended cable sizes Cable length pump to course compu...

Page 16: ...e between the helm pump and autopilot pump 4 Have you fitted check valves where appropriate 5 Are the hydraulic pipes made of a suitable flexible material i e rubber or nylon with a suitable pressure...

Page 17: ...he rudder to port counter this rudder movement by turning the helm to starboard to keep the rudder stationary youwillbeabletofeelanyairinthehelmpump anyairinthis side of the pump will rise to the helm...

Page 18: ...imize these effects and enable you to get the best possible performance from your Raymarine equipment guidelines are given in the installation instructions to enable you to ensure minimum interaction...

Page 19: ...23 9269 3611 Fax 44 0 23 9269 4642 www raymarine com Raymarine Inc 22 Cotton Road Suite 280 Nashua NH 03063 4219 USA Telephone 1 603 881 5200 Fax 1 603 864 4756 www raymarine com Raymarine Technical...