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Summary of Contents for AJ 160

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Page 2: ...f different engines Thousands of users around the world rely on the alamarin jet water jet propulsion unit The aim of this instruction is to give important information on the operation use and mainten...

Page 3: ...ers the following jet propulsion models AJ 160 AJ 180 AJ 185 AJ 230 If the given information is type specific this will be expressed in the text In this manual clarifying figures will be used NOTE the...

Page 4: ...ctions 18 3 1 Transmission 18 3 2 Bearing 19 3 3 Control System 19 3 3 1 Electronic Reversing Deflector Control System 19 3 3 2 Hydraulic Reversing Deflector Control System 20 3 4 Raw Water Cooling 22...

Page 5: ...Version 1 5 APPENDIXES Appendix 1 Maintenance Log 35 Appendix 2 SE 01 36 Appendix 3 SE 02 37 Appendix 4 Recommended Greases and Oils and Tightening Torques of the Screws 38 Appendix 5 Exploded Views 3...

Page 6: ...ow the answer Customer s end user s contact information Boat owner Contact information of person answering the questionnaire Delivery information of project device For instance the serial number of th...

Page 7: ...TEST REPORT Date Test weight of boat Number of persons Wind speed m s Water temperature Jet serial number Engine and gear GPS clock Signature Engine speed Speed in direction 1 Speed in direction 2 Av...

Page 8: ..._________________________ Alamarin Jet Oy guarantees that the abovementioned partially completed machinery meets the requirements of the Machinery Directive 2006 42 EC and the validating national regu...

Page 9: ...from outside the boat to the intake side of the impeller with as little loss as possible and an even distribution of velocity The impeller B which is rotated by the driving motor through direct drive...

Page 10: ...tion The possible gear must be in neutral position In a system without a gear the accelerator must be in idle position See the effect of the position of the reversing deflector control lever on the po...

Page 11: ...es a gearbox note the direction of the jet s rotation which usually corresponds to the direction of the engine s rotation counterclockwise from the rear of the boat This is why the gear must usually b...

Page 12: ...turning the nozzle causes the boat to slow down This is normal and increases safety The turning of the nozzle from one extreme position to the other takes 2 turns of the wheel 2 2 2 Controlling In mod...

Page 13: ...tallations but it can also be used for single installations Figures 2 2 2 2 and 2 2 2 3 illustrate the hydraulic control system used in AJ 230 For models AJ 160 and AJ 180 185 only the round type reve...

Page 14: ...deflector is in centre position When the nozzle is turned to the desired direction the boat rotates about its central axis When reversing steering is inversed in comparison to driving forward If you w...

Page 15: ...ded 1 Stop the engine This causes the extraneous objects in the grass rake simply to drop off 2 Let the engine run on high revolutions for a few times This often sucks the extraneous objects through t...

Page 16: ...flow of water in the jet increases the chance of cavitation The jet may be run by the engine even out of the water because the bearings are greased and oiled This is a significant benefit in compariso...

Page 17: ...though the engine runs on high revolutions find out the cause Ventilation produces similar symptoms as cavitation but is caused by different reasons Ventilation is created when air gets to drift into...

Page 18: ...facturer If necessary the jet manufacturer supplies the auxiliary shaft with the propulsion unit It is also possible to get instructions and recommendations from the manufacturer on which auxiliary sh...

Page 19: ...AJ 160 AJ 180 and AJ 185 The main components that the system consists of are 1 a control lever potentiometer 3 an electronics unit and 4 a spindle motor See figure SE 01 in Appendixes The electronics...

Page 20: ...en integrated in the propulsion unit In a stock delivery the system does not include a control lever or a cable so their type varies depending on the boat manufacturer However the different types of s...

Page 21: ...water comes from the jet see next chapter The system can consist of different looking components depending on the boat manufacturer What is essential is the correct order of the components Notice espe...

Page 22: ...at have different electrochemical properties can form a so called galvanic couple while they are in electrolytic fluid salt water A galvanic couple forms an electric circuit because the materials have...

Page 23: ...dy 2 pcs 1 2 3 4 5 3 5 2 Painting Figure 3 5 1 If the boat is going to be used in waterways where the growth and sticking of organisms around the boat s bottom and the propulsion unit is heavy the pro...

Page 24: ...len wrench 8 mm Knife Universal pliers The following items are included in the tool kit delivered with the propulsion unit if or dered separately Most of the maintenance and repair procedures can be c...

Page 25: ...ours or twice a year at minimum 4 2 2 2 Lubricating the Rear Bearing It is easiest to carry out the lubrication of the rear bearing when the boat is out of the water but it can also be done while the...

Page 26: ...maintenance free but lubrication prolongs their operating life Below figure 4 2 3 1 is a list of objects in which water proof vaseline is added in connection with maintenance When the plastic bearings...

Page 27: ...ld be done whenever it is necessary but checking must be done at least once a year Adjusting the impeller is done by removing the impeller and reinstalling it See next chapter Figure 4 2 6 1 4 2 6 Che...

Page 28: ...ater from jet possible leaks hoses couplings X function of valve if mounted X possible blocks in system X Reversing deflector zinc anode 1 pcs X tightness of bolts X paint X general technical conditio...

Page 29: ...er sits the less power it takes from the engine because the diameter of the impeller is smaller The pitch and the length and number of blades naturally also affect the power demand daily weekly montly...

Page 30: ...The front edge can be repaired by carefully hammering the marks caused by bigger stones and grinding them smooth The front edge must not be sharpened it must be left about 2mm thick and rounded r 1 mm...

Page 31: ...nnects the reversing deflector and the steering shaft is removed 4 If there is no apparent fault the boat must be lifted out of the water for closer inspection 5 Remove the impeller See section Removi...

Page 32: ...the hull of the propulsion unit with each other is tight You can help the detachment by cranking with a screwdriver Figure 4 3 1 4 4 Loosen the impeller s fastening bolts figure 4 3 1 4 and completel...

Page 33: ...le additional ring on the shaft The sleeve has a left handed threading Set the wedge B in the groove reserved for it A B 2 The place of the fastening cone wedge groove is marked on the impeller with a...

Page 34: ...tightened sleeve There can be a gap of 0 2 mm between the impeller blade and the cone D During installation the lower edge lies on the cone and there can be a slightly bigger gap at the upper part of...

Page 35: ...al Appendix 1 MAINTENANCE LOG MAINTENANCE LOG Commissioning Made by Date Service Commissioning Made by Date Service Commissioning Made by Date Service Commissioning Made by Date Service Commissioning...

Page 36: ...APPENDIXES Operation and 36 Maintenance Manual Version 1 5 Appendix 2 SE 01...

Page 37: ...Version 1 5 37 APPENDIXES Operation and Maintenance Manual Appendix 3 SE 02...

Page 38: ...reversing deflector has been designed operate with automatic transmission oil Kinematic viscosity 40 C 33 36 mm2 s Kinematic viscosity 100 C 7 1 7 7 mm2 s Viscosity index min 170 Density 15 C 0 835 0...

Page 39: ...endix 5 EXPLODED VIEWS When delivering this manual in paper form the manufacturer has added to the following pages the exploded views of the propulsion unit model with which the manual is delivered In...

Page 40: ...APPENDIXES Operation and 40 Maintenance Manual Version 1 5 Appendix 6 WARRANTY OWNERSHIP...

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