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Robot Pumps RW-R-SERIES, Руководство по эксплуатации и техническому обслуживанию

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Operation &
Maintenance Manual

Pump

RW-R

14/28

Edition 1

HSC

          02-W51

      782-007-GB

7.

MAINTENANCE

7.1

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.

7.2

Maintenance schedule

*

After the first 20 running hours:

-

Check the oil level (see chapter 7.5).
If there is more than a few drops of water in it,
contact your dealer.

*

Every 6 months or 500 running hours:

-

Check the oil and oil level (see chapter 7.5).
If there is more than a few cm3  (about 0.5 inch

3 

)

water in it, contact your dealer.

-

Refresh the oil every year or when it is no
longer transparant. (see chapter 7.6)

7.3

Lubricants

*

The bearings are greased for life and need
no refill.

*

The oil reservoir is filled with SHELL
VITREA ISO-VG  46.
Viscosity:

46 cSt.

When another kind of oil is used this is
marked on a label on the pump.

Oil quantaties:

RW20-R:

0.6 liter / 0.15 US gallon.

RW40-R:

2.2 liter / 0.58 US gallon.

www.robotpompen-onderdelen.nl

T +31(0)294-457712

[email protected]

Содержание RW-R-SERIES

Страница 1: ...782 007 GB HSC 02 W51 Edition 1 OPERATION MAINTENANCE MANUAL RW R SERIES STAINLESS STEEL www robotpompen onderdelen nl T 31 0 294 457712 info pompdirect nl ...

Страница 2: ...rtfrequency 9 5 13 Min and max submersible depth 9 6 INSTALLATION OPTIONS 10 6 1 Installation H 10 6 2 Installation V 11 6 3 Checkpoint installation V 12 6 4 Installation F 13 6 5 Installation T 13 7 MAINTENANCE 14 7 1 General 14 7 2 Maintenance scedule 14 7 3 Lubricants 14 7 4 Cable entry 15 7 5 Oil level 16 7 6 Oil change 17 7 7 Motor housing 18 8 TRANSPORT AND STORAGE 19 9 OPTIONS 19 9 1 Waterd...

Страница 3: ...e and maintenance may only be done by authorised personal after reading this manual This RW pump may not be used in a potentially explosive atmosphere Use a ROBOT flameproof pump instead When ordering spareparts always quote 1 Pumptype 2 Code 3 Serialnumber This information is found on the dataplate See appendix 1 Sectional drawings and partslists are available on request All products manufactured...

Страница 4: ...th agressive corrosive toxic flameable and explosive chemicals Never remove safety signs keep them clean Always connect to a grounded circuit Before maintenance and inspection always disconnect the pump from the mains Use a proper hoist for lifting and handling the pump Do not leave a large loop of cable in the sump as the pump may eventually damage it Never drop the loose cable end in water The w...

Страница 5: ...in parts Construction High efficiency motor standard class F insulation up to 155 o C 300o F Two independent mechanical seals running in oil form an effective barrier between pump and motor Heavy duty bearings greased for live Clog free vortex impeller Vanes at the backside prevent solids entering the seal area and reduce the pressure on the seal Fig 4 1 4 14 3 13 16 8 5 7 6 1 2 9 10 9 15 12 11 14...

Страница 6: ...e coding see appendix 2 3 and 4 5 4 Thermoswitches Check if the pump is equipped with thermo switches Contact rating max 250V 1 6A The contacts are normally closed 5 5 Cable entry Especially when the pump has been in store for a long time the cable gland should be checked and if necessary tightened see 7 4 5 6 Motor protection The pump should always be connected to the line by means of a suitable ...

Страница 7: ...t the pump in horizontal position and start the pump Looking on the impeller through the suction opening the correct direction of rotation is counter clockwise See arrow on pumpcasing Fig 5 2 or Starting the pump will give a recoil on the pump frame Looking at the motor in vertical position see Fig 5 3 the recoil is counter clockwise Take care The recoil can be very powerful Don t go too near rota...

Страница 8: ...00 50 122 95 60 144 90 70 158 80 80 176 70 5 12 Startfrequency When the pump is controlled by level regulators the on and off levels should be adjusted in such a way that the pump does not do more than 20 starts an hour 5 12 Min and max submersion depth The motorhousing should be at least 2 3 submerged for continuous operation at full load see Hmin 1 Fig 5 4 It is good practice whenever possible t...

Страница 9: ...ling part 4 Suspension bracket and chain for lifting the pump 5 Level regulators for start stop and alarm signals 6 Suspension for level regulators and power supply cable 7 Piping non return valve bends etc Checkpoints before operating Ensure a good free passage beneath the suction elbow of the pump at least the same as the suction diameter Adjust the start and stoplevels in such a way that the mo...

Страница 10: ...tical maximum tolerance 3o The installation angle must be about 10 15o see Fig 6 4 If necessary this angle can be changed by alteration of the position of the lifting hook on the suspension bracket on top of the motor pos 1 Adjust the start and stoplevels in such a way that the motor does not make more then 20 starts per hour Check that the motor is adequately cooled The motorhousing should be at ...

Страница 11: ...r and a special gasket must be fitted see fig 6 5 When air is present this will escape through the hole When the fluid arrives the special gasket will close the hole Take part 1 fig 6 6 Drill a 8mm hole in the cast boss on top of the coupling adapter Deburr the hole Place a special gasket 3 Fig 6 7 Mount the coupling adapter 1 to the pump 2 Partnumbers for special gaskets Coupling type partnumber ...

Страница 12: ...olute in order to avoid air being drawn in see Hmin 2 Fig 6 8 Air in the discharge pipes might impair performance 6 5 INSTALLATION T Transportable wet installation Except for the pump the following components are necessary 1 Hose connection which is fastened to the pump 2 Flexible hose 3 Pump support Checkpoints before operating Do not let the pump bury itself in the mud Do not leave a large loop ...

Страница 13: ...ntact your dealer Every 6 months or 500 running hours Check the oil and oil level see chapter 7 5 If there is more than a few cm3 about 0 5 inch3 water in it contact your dealer Refresh the oil every year or when it is no longer transparant see chapter 7 6 7 3 Lubricants The bearings are greased for life and need no refill The oil reservoir is filled with SHELL VITREA ISO VG 46 Viscosity 46 cSt Wh...

Страница 14: ... By screwing in the cable entry the seal will be retensioned Unscrew the 2 hexagon socket screws 1 See fig 7 1 Remove the cable clamp 2 Turn the hexagon head of the entry 1 clockwise using the right tool so far that it is possible to replace the cable clamp again Screw in the 2 hexagon socket screws 1 It is possible that your pump is fitted with 1 or 2 cables Fig 7 1 www robotpompen onderdelen nl ...

Страница 15: ...ll up to the right level Always use the right kind of oil It is possible that your pump is fitted with 3 plugs For oil check see 7 5 2 7 5 2 RW 40 Put the pump in a horizontal position so that 2 hexagonal socket screws are on top and one at the bottom see fig 7 3 Unscrew the level plug 1 and the vent plug 2 The oil level should be at the lower side of the openings see drawing By turning the pump a...

Страница 16: ...lug 1 Remove the plug and drain the oil Rotate the pump so that the 2 openings are on top fig 7 4 position C Refill the oilhousing The oil level should be at the lower side of the openings fig 7 4 position A Replace the plugs 7 6 2 RW 40 Put the pump in a horizontal position so that the drain plug 3 is at the bottom Fig 7 5 position A Remove the vent plugs 1 and 2 Put a receiving bin underneath th...

Страница 17: ... seal failure between motorhousing and oil chamber If so contact your dealer 7 7 2 RW 40 Unscrew the inspection plug of the motorhousing This plug is found at the opposite side of the cable entries see Fig 7 7 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 Mor...

Страница 18: ...e 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 The waterdetector causes the pump to switch off before damage to the motor is done The probe itself is a...

Страница 19: ...ally the resistance is about 200 500 Ohm When the switch off temperature is reached the resist ance will be between 1650 4000 Ohm The maximum voltage is 7 5V A thermistor is not a circuit breaker but a resistance 9 4 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...

Страница 20: ...oling Check motor Check power supply Check pump Check dicharge and coupling Check pump Check power supply Check discharge Check pump Check power supply Check motor CHECKPOINTS No power Main isolator switch Fuses Earth leakage relay Motor protection relay Motor temperature Water detector Too low waterlevel Obstructed level switches Switches interchanged Controlpanel Continuity and isolation Phase r...

Страница 21: ...4 Head in duty point 15 Number of phases 16 Power factor 17 Frequency 18 Pomp weight 19 Degree of protection 20 Certificate number 21 Max medium temperature 22 Factory code 23 Serial number 24 Options mm code kW HP V V m ft m3 h USGPM rpm rpm A A mlc ft Hz Hz kg lbs o C Remarks only flame proof pumps Y DOL start motor in star DOL start motor in delta Y Star Delta start S1 continue F 155o C 300o F ...

Страница 22: ... W line BL blue T thermostats B black Wa water detector G Y green yellow earth connection In some situations where a longer pump cable is used an extra 10 mm2 AWG 8 earth cable is fitted to the motorhousing to fulfill the demands of the Low Voltage Directive Always connect this cable also to the earth connection www robotpompen onderdelen nl T 31 0 294 457712 info pompdirect nl ...

Страница 23: ...y control circuit e6 Fuses secondary control circuit C Maincontactor F1 Motor protection circuit breaker with manual reset D1 Auxiliary relay for motor protection D2 Auxiliary relay for power failure Tr Transformer S Manual off auto selector switch Start Level switch pump start Stop Level switch pump stop Re Reset push button M Pump motor T Thermostats if fitted www robotpompen onderdelen nl T 31 ...

Страница 24: ... green yellow CONTROL PANEL U V W line T thermostats Wa water detector earth connection In some situations where a longer pump cable is used an extra 10 mm2 AWG 8 earth cable is fitted to the motorhousing to fulfill the demands of the Low Voltage Directive Always connect this cable also to the earth connection www robotpompen onderdelen nl T 31 0 294 457712 info pompdirect nl ...

Страница 25: ...ary control circuit e6 Fuses secondary control circuit F1 Motor protection circuit breaker with manual reset C Maincontactor D1 Relay delta connection D2 Relay star connection Tr Transformer S Manual off auto selector switch Start Level switch pump start Stop Level switch pump stop Re Reset push button M Pump motor T Thermostats if fitted www robotpompen onderdelen nl T 31 0 294 457712 info pompdi...

Страница 26: ...ed white thick 4 5 red PUMP CABLE BR brown BL blue B black G Y green yellow CONTROL PANEL P O line C capacitor T thermostats Wa water detector if fitted earth EXAMPLE OF A SINGLE PHASE CONNECTION DIAGRAM In some situations where a longer pump cable is used an extra 10 mm2 AWG 8 earth cable is fitted to the motorhousing to fulfill the demands of the Low Voltage Directive Always connect this cable a...

Страница 27: ...Operation Maintenance Manual Pump RW R 28 28 Edition 1 HSC 02 W51 782 007 GB APPENDIX 5 Notes Name Date Remarks www robotpompen onderdelen nl T 31 0 294 457712 info pompdirect nl ...

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