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MAINTEN
MAINTEN ANCE MANU
MAINTEN
MAINTEN
MAINTEN
782-030-GB
HSC
www.robotpompen-onderdelen.nl
OPERA
OPERA
OPERA
OPERA TION
OPERA
& & & & &
ANCE MANU
ANCE MANU AL
ANCE MANU
ANCE MANU
RD-SERIES
RD-SERIES
RD-SERIES
RD-SERIES
RD-SERIES
09-W13
T +31(0)294-457712
TION
TION
TION
TION
info@pompdirect.nl
AL
AL
AL
AL
Edition 4
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Summary of Contents for Robot Pumps RD Series
- Page 1 OPERA OPERA TION TION OPERA OPERA OPERA TION TION TION & & & & & MAINTEN MAINTEN MAINTEN ANCE MANU ANCE MANU ANCE MANU AL ANCE MANU MAINTEN MAINTEN ANCE MANU RD-SERIES RD-SERIES RD-SERIES RD-SERIES RD-SERIES 782-030-GB 09-W13 Edition 4 www.robotpompen-onderdelen.nl info@pompdirect.nl T +31(0)294-457712...
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Page 2: Table Of Contents
Pump Operation & Maintenance Manual Contents ......................page FOREWORD ........................ 4 GUARANTEE ....................... 4 SAFETY AND ENVIRONMENT ................... 5 Symbols ............................... 5 General safety instructions ........................5 Environment ............................5 TECHNICAL DATA ...................... 6 General ..............................6 Main parts ............................. 6 FIRST PUMP START .................... -
Page 3: Foreword
Proper use and maintenance will prolong the operational request. life of your RD- pump. All products manufactured by Robot Pumps B.V. are This manual contains different warnings and safety made with great care and according to our high internal precaution. -
Page 4: Safety And Environment
Pump Operation & Maintenance Manual SAFETY AND ENVIRONMENT Symbols In this manual On the pump General warning Danger of physical injury Danger ! Rotating parts ! Electrical hazard ! Electrical hazard ! Attention ! EC-conformity symbol General safety instructions * Only trained and authorized personnel may install and * Always connect to a grounded circuit. -
Page 5: Technical Data
Operation & Pump Maintenance Manual TECHNICAL DATA General Construction: The RD-pump is dredging pump, specially designed for High efficiency motor, standard class F transport of highly abrasive solids. insulation (up to 155 Two independent mechanical seals, running in oil, Apart from dredging, the pump can be used in mining, form an effective barrier between pump and motor. -
Page 6: First Pump Start
Pump Operation & Maintenance Manual FIRST PUMSTART After unpacking the pump, carry out the following check points: Delivery-check Check for possible transport damage and especially check that the cable has not been nicked or damaged. Check for complete delivery. When the delivery is incomplete or damaged, please contact your dealer immediately. -
Page 7: Motor Check
Operation & Pump Maintenance Manual Motor check If in doubt about the condition of the motor or cable, Megger test motorwindings against grounding wire. The phase resistance against grounding wire should be at least 1 MOhm. Turn the impeller counter-clockwise by hand (see fig.5.1) . For versions without agitator, use a proper socket wrench. -
Page 8: Medium Temperature / Max. Motorload
Pump Operation & Maintenance Manual 5.11 Medium temp. / max.motorload When the medium temperature is higher than 40 C, the maximum motorload must be reduced. The relationship between medium temperature and maximum absorbed motor current is shown below. Check the reading of the dataplate against the reading of an Ammeter. -
Page 9: Installation Options
Operation & Pump Maintenance Manual INSTALLATION OPTIONS For the submersible pump the following installations are possible: -H Stationary wet installation with a header coupling type HK. -V Stationary wet installation with a guide bar quick release coupling type V. -F Freestanding wet installation. -T Transportable wet installation. -
Page 10: Installation -V
Pump Operation & Maintenance Manual INSTALLATION -V Stationary wet installation with a ROBOT quick-release guide bar coupling type -V. The pump is automatically coupled to the discharge. Except for the pump the following components are necessary: 1. Bottom elbow, rubber joint and coupling adapter;... -
Page 11: Checkpoint Installation -V
Operation & Pump Maintenance Manual Checkpoint installation - V In some applications it is possible that the pump will not work due to presence of air in the volute. Lifting the pump a bit (10-20mm) while running may solve the problem. When the problem repeats, an air-venthole can be drilled in the coupling adapter and a special gasket must be fitted. -
Page 12: Installation -F
Pump Operation & Maintenance Manual INSTALLATION - F Freestanding: semi-permanent fixed wet installation. Except for the pump the following components are necessary: 1. Hose or threaded connection, which is fastened to the pump; 2. Flexible hose or pipe; 3. Pump support; 4. -
Page 13: Maintenance
Operation & Pump Maintenance Manual MAINTENANCE General Always disconnect the pump from the mains before inspection or disassembly. Clean the pump thoroughly. The motor housing can be hot when the pump is just switched off. Maintenance schedule * After the first 20 running hours: Check the oil (see chapter 7.5). -
Page 14: Cable Entry
Pump Operation & Maintenance Manual Cable entry Especially when the pump has been in use for a long time, the compression of the rubber cable seal might be deminished, which can cause leakage. By screwing-in the cable entry the seal will be retentioned. 7.4.1 RD 20 Turn the hexagon head of the entry (1) for 1/6 of a turn clockwise using the right tool. -
Page 15: Oil Level
Operation & Pump Maintenance Manual Oil level 7.5.1 RD 20 Put the pump in a horizontal position so that the 2 hexagonal socket screws are on top (see fig.7.4). Unscrew the level plug (1) and the vent plug (2). The oil level should be at the lower side of the openings (see drawing). -
Page 16: Oil Change
Pump Operation & Maintenance Manual Oil change Collection, storage and removal of the oil should be done according to the regulations of the local authorities. When necessary replace the sealing rings. Always use the right kind of oil ! (see chapter 7.3). 7.6.1 RD 20 Put the pump in a horizontal position so that one of oil plugs is at the bottom ( fig.7.7 position B). -
Page 17: Motor Housing
Operation & Pump Maintenance Manual Motor housing 7.7.1 RD 20 Unscrew the inspection plug of the motorhousing (see Fig. 7.10 pos 1). Put the pump in horizontal position with the inspection opening downwards. If water is present this will come out this way. A small amount of water, due to condensation, is permissable. -
Page 18: Transport And Storage
Pump Operation & Maintenance Manual TRANSPORT AND STORAGE The pump can be transported and stored in both horizontal and vertical position. Never lift the pump by the motorcable or discharge hose! Always use the suspension bracket ! In case of long storage, the pump must be protected against moisture and heat. -
Page 19: Options
Operation & Pump Maintenance Manual OPTIONS Waterdetector As a safeguard against water ingress into the motor, the pump can be equipped with a waterdetector. When your pump is equipped with a waterdetector, this can be found on the dataplate. See appendix 1: at position 24 a “W” is stamped. The waterdetector detects water which might have entered the oilhousing or motorhousing due to seal failure or cable damage. -
Page 20: Cable Protecting
Pump Operation & Maintenance Manual Cable protection When chemical or mechanical protection for the cable is needed a tube can be fitted around the cable (Fig. 9.2 pos 1). This is a flexible stainless steel tube (1) connected to a special cable entry (Fig.9.2 pos 2). -
Page 21: Trouble Shooting
Operation & Pump Maintenance Manual TROUBLE SHOOTING 10.1 Safety When working on the motor, make sure Only qualified electricians may do the that the power is switched off. electrical work. When working on the pump make sure it cannot When starting the pump ensure nobody start unexpectedly! goes near rotating parts. -
Page 22: Appendix 1; Dataplate
Pump Operation & Maintenance Manual APPENDIX 1: Dataplate The main characteristics of the pump are given on the dataplate. At the first page of this book a label is found containing all the relevant information. The dataplate of an RD20 pump can be found on the motorhousing at the opposite side of the cable entry. The dataplate of an RD40 pump is at one of the side of the motorhousing. -
Page 23: Appendix 2; Direct-On-Line Start Motor
Operation & Pump Maintenance Manual APPENDIX 2; Direct-on-line start motor (DOL) PUMP CABLE CONNECTIONS PUMP CABLE = brown = blue = black = green/yellow CONTROL PANEL U,V,W = line = thermostats = water detector = earth connection Star- high voltage Delta-low voltage In some situations where a longer pump cable is used an extra 10 mm earth cable is fitted to the motor housing... - Page 24 Pump Operation & Maintenance Manual EXAMPLE OF A DIRECT-ON-LINE CONNECTION DIAGRAM opposite direction of rotation motor in delta motor in star CODING e1, e2, e3 Line fuses e4, e5 Fuses, primary control-circuit Fuses, secondary control-circuit Maincontactor Motor protection circuit breaker with manual reset Auxiliary relay for motor protection Auxiliary relay for power failure Transformer...
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Page 25: Appendix 3; Star-Delta Start Motor
Operation & Pump Maintenance Manual APPENDIX 3; Star-delta start motor (YD) PUMP CABLE CONNECTIONS Star- high voltage PUMP CABLE = brown = blue = black = green/yellow CONTROL PANEL U,V,W = line = thermostats = water detector = earth connection Delta-low voltage In some situations where a longer pump cable is used an extra 10 mm earth cable is fitted to the motorhousing to... - Page 26 Pump Operation & Maintenance Manual EXAMPLE OF A STAR-DELTA CONNECTION DIAGRAM opposite direction rotation motorwiring CODING e1, e2, e3 Line fuses e4, e5 Fuses, primary control-circuit Fuses, secondary control-circuit Motor protection circuit breaker with manual reset Maincontactor Relay delta connection Relay star connection Auxiliary relay for motor protection Auxiliary relay for power failure...
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Page 27: Appendix 4; Notes
Operation & Pump Maintenance Manual APPENDIX 4; Notes: Name Date Remarks 28/28 Edition 4 09-W13 782-030-GB www.robotpompen-onderdelen.nl info@pompdirect.nl T +31(0)294-457712...
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