Grindex Bravo 20 Скачать руководство пользователя страница 16 | Manualshive

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Grindex Bravo 20 Скачать руководство пользователя страница 16

Notes

16 (16) • No: 90 072 01 Rev 1 2005.07

Grindex AB  Box 538  SE-136 25 Haninge  Sweden
Tel:+46 8 606 66 00  Fax:+46 8 745 16 06
e-mail: [email protected]  www.grindex.com

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Содержание Bravo 20

Страница 1: ...Operation maintenance manual www grindex com BRAVO SLURRY PUMPS No 90 072 01 Revision 1 2005 07 ...

Страница 2: ...on you If you want optimal service for the longest possible time it s important that you familiarize your self with the advice and directions given in these instructions With cordial greetings GRINDEX Technical Manager Congratulations on a sound choice This GRINDEX pump has no motor protector The pump must be supplied with an external Motor starter ﬁtted in the end of the pump cable Following Moto...

Страница 3: ...p and equipment Before starting work on the pump make sure that the pump is isolated from the power supply and can not be energized Be sure to disconnect the power supply before attempt ing inspection as pump may start automatically Respect limitations see page 6 Attention Before the pump is installed in the sump check the direction of rotation Start reaction is counter clock wise and rotation of ...

Страница 4: ...o the sump and lift it out again Place the pump on a ﬁrm base which prevents it from sinking down or tilt over Hang the pump freely by a chain or wire Except for the pump the following components are necessary 1 Hose connection which is fastened to the pump 2 Flexible hose 3 Lifting chain Checkpoints before operating Do not let the pump bury itself in the mud Do not leave a large loop of the cable...

Страница 5: ... into physical contact with the pump or pumped media liq uid for example on construction sites or farms etc the earthed grounded socket must have an additional earth ground fault protection device GFI connected When pumping near a lake beaches ponds and fountains etc a safety distance of at least 20 meters 65ft between the person and the pump is applicable If you use an extension cable see that it...

Страница 6: ...hat can result in malfunctions By using a cable of greater conductor cross section you reduce the voltage drop and can therefore increase the cable length Pressure losses Long or unnecessarily small bore hoses give substantial pressure losses Respect limitations In order to decide what pump would be best for a permanent installation you will need to know the following Type of medium sludge abrasiv...

Страница 7: ...tenance and inspec tion Observe the local regulations when working with agressive corrosive toxic and or chemi cals Never remove safety signs keep them clean Always connect to a protective grounded circuit Before maintenance and inspection always disconnect the pump from the power supply Use a proper hoist for lifting and handling the pump Do not leave a large loop of cable in the sump as the pump...

Страница 8: ...om falling over Maintenance Check the oil every 6 months or 500 running hours If there is more than a few cm3 water in the oil chamber contact your dealer Change the oil every year or when it is no longer transparant 1 Pump casing 2 Impeller 3 Agitator 4 Discharge outlet 5 Motor housing 6 Rotor unit 7 Stator 8 Shaft 9 Bearings 10 Mechanical shaft seal 2x 11 Oil chamber 12 Oil screw 13 Cable entry ...

Страница 9: ...try 3 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 only 1 cable Bravo 50 60 Unscrew the 4 hexagon socket screws 1 from the outer cable entries Remove the cable clamps 2 Turn the hexagon heads of the entry clockwise using the right tool so far that it is possible to repla...

Страница 10: ...ide of the open ings see drawing By turning the pump a bit this should be visible If not so ﬁll up to the right level Always use the right kind of oil Bravo 50 60 Put the pump in a vertical position Unscrew the M20 oil pug 1 which can be found at the opposite side of the cable entry box The oil level should be at the lower side of the opening If not so ﬁll up to the right level Always use the righ...

Страница 11: ...lugs Bravo 50 60 Put the pump in a horizontal position so that the drain plug M20 is at the bottom Remove the vent plugs 1 and 2 Put a receiving bin underneath the drain plug Remove the plug and drain the oil Replace the drain plug 3 Reﬁll the oilhousing through the opening 1 The oil level should be at the lower side of the opening Oil change Note Collection storage and removal of the oil should b...

Страница 12: ...between motorhousing and oil chamber If so contact your dealer Bravo 50 60 Place the pump in a vertical position and remove the 4 hexagon socket screws 1 of the cable entry box cover 2 and check the entry box Remove the 4 hexagon socket screws 1 of the cable entry box and pull the cable entry box a few cm s from the pump If water is present this will come out this way A small amount of water due t...

Страница 13: ...heck pump Check power supply Check discharge Checkpoints No power Main isolator switch Fuses Earth leakage relay Motor protection relay Motor temperature Continuity and isolation Phase resistance Low voltage Not all 3 phases available Setting of motor protection Wrong direction of rotation Impeller blocked Protection in automatic reset mode Continuity and isolation Fuses Low voltage Impeller block...

Страница 14: ... V2 V1 U2 3x16mm2 3x2 5mm2 4x16mm2 3x6mm2 3x1 5mm2 Bravo 50 60 Bravo 20 30 40 Y D 6 5 4 3 2 1 U V T W T W V U T T BK BU BK G Y BK BN BU T T 1 2 3 5 6 4 W1 V1 U1 W2 U2 V2 G Y BU BN BK BU BN BK BN BU BK T T W1 U1 V1 W2 U2 V2 G Y G Y G Y G Y G Y G Y The 4th conductor is split up in 3 parts These 3 parts should be used as ground core thay have the same total cross section area as the none split core B...

Страница 15: ...ection should be set to AUTO The tripping current should be max the rated current of the pump Note that the scales for direct online and star delta are different The Y D over load relay should be set at phase current 0 58 x line current The Y D time relay should be set at 3s ...

Страница 16: ...Notes 16 16 No 90 072 01 Rev 1 2005 07 Grindex AB Box 538 SE 136 25 Haninge Sweden Tel 46 8 606 66 00 Fax 46 8 745 16 06 e mail grindex grindex com www grindex com ...

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