Table of Contents
Related Manuals for Nord Drivesystems B1091
Summary of Contents for Nord Drivesystems B1091
- Page 1 Intelligent Drivesystems, Worldwide Services B1091 Operating and Maintenance Instructions Three-phase Asynchronous Motors – Standard Design Explosion-proof Motors with Type of Protection „e“ Dust Explosion-proof Motors (Zone 21+ Zone 22)
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Page 2: Table Of Contents
Conformity declarations ....................20 Safety and information signs Please comply with the following safety and information signs! Attention! Danger! Damage to the machine possible Danger to life and risk of injury for humans Danger! Information! Important information for explosion protection B1091-GB-3212 www.nord.com... -
Page 3: General Information
The additional operating instructions must be taken into account if an external fan is present. The brake operating instructions must also be taken into account with braking motors. If, for any reason, the operating instructions or the engineering guidelines are lost, new documentation must be obtained from Getriebebau NORD. www.nord.com B1091-GB-3212... -
Page 4: Description
To avoid personal injury and damage to property, the maintenance staff responsible must be informed about the change immediately. In case of doubt switch off the motor without delay, as soon as the status of the system permits. B1091-GB-3212 www.nord.com... -
Page 5: Installation
Tightening torques for terminal board connections Thread diameter Tightening torque (Nm) 0.6 – 1.2 1.8 – 2.5 2.7 – 4.0 5.5 – 8.0 If the machine has an auxiliary heater, it must not be switched on during operation. www.nord.com B1091-GB-3212... -
Page 6: Checking Insulation Resistance
After attaching the motors, check them to make sure they are operating properly! In the case of brake motors also check that the brake operates properly. B1091-GB-3212 www.nord.com... -
Page 7: Maintenance/Servicing
Replace all antifriction bearings Replace all gaskets and shaft seals The general overhaul must be performed in a specialised workshop with appropriate equipment and by qualified staff. We urgently recommend having the general overhaul performed by NORD Service. www.nord.com B1091-GB-3212... -
Page 8: Motors With Type Of Protection Increased Safety Exe
The motor temperature class stated on the name plate must at least conform to the temperature class of any combustible gas that may be emitted. B1091-GB-3212 www.nord.com... - Page 9 If installation resistance is being measured the motor must be removed. Measurement must not be performed in the explosive area. As soon as measurement has been completed discharge the connecting terminals again by shorting them in order to prevent any spark discharges occurring in the explosive area. www.nord.com B1091-GB-3212...
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Page 10: Motors For Use In Zone 21 And Zone 22
The motor must not be opened under hazardous atmospheres to connect the electrical cables or for any other work. The voltage must always be switched off and secured against being switched on again before opening the motor! -10- B1091-GB-3212 www.nord.com... -
Page 11: Design And Method Of Operation
S in mm ground lead S in mm S ≤ 16 16 < S ≤ 35 S > 35 0.5 S When connecting a lead to the external ground, the minimum cross-section must be 4 mm www.nord.com B1091-GB-3212 -11-... -
Page 12: Maintenance
Maintaining dust protection for the motors is of paramount importance for explosion protection. Maintenance must be implemented by qualified personnel in a specialist workshop with suitable equipment. We urgently recommend that general overhauls are implemented by NORD Service. -12- B1091-GB-3212 www.nord.com... -
Page 13: Ie2-Atex Motors For Use In Zone 21 And Zone 22
The terminal box cover is covered on one side with a very thin film of grease. This grease film prevents the seal from adhering to the frame of the terminal box and must not be removed. This grease film must also be applied using a suitable grease, if the seal is replaced. www.nord.com B1091-GB-3212 -13-... -
Page 14: Electrical Connection
Tightening torque [Nm] M1.6 0.09-0.12 0.35-0.5 0.8-1.2 1.8-2.5 2.7-4.0 5.5-8.0 9.0-13.0 16.0-20.0 36.0-40.0 Electrical connection: Brass nut Lock washer Brass washer Brass washer Brass nut Brass washer Ring terminal Brass washer Brass thread with collar Mechanical protection against twisting -14- B1091-GB-3212 www.nord.com... -
Page 15: Cable And Wiring Glands
If the motor is supplied with a certified cable gland, the clamping nuts of the cable gland must be tightened to the torque specified in the following table. Cable gland Clamping nut tightening torque [Nm] M20x1.5 M25x1.5 M32x1.5 M40x1.5 www.nord.com B1091-GB-3212 -15-... -
Page 16: Permissible Ambient Temperature Range
The motors may only be used for the type of operation stated on the name plate. The installation instructions must be strictly observed. -16- B1091-GB-3212 www.nord.com... -
Page 17: Structure And Method Of Use
Maintaining dust protection for the motors is of paramount importance for explosion protection. Maintenance must be implemented by qualified personnel in a specialist workshop with suitable equipment. We urgently recommend that the general overhaul is carried out by NORD Service. www.nord.com B1091-GB-3212 -17-... -
Page 18: Options For Motors For Use In Zone 22
The power supply lines must not be laid in a cable together with the temperature sensor circuit. The brake functionality must be checked before start-up. There should be no grinding noises, as this could lead to unpermitted excessive heating. -18- B1091-GB-3212 www.nord.com... -
Page 19: Spare Parts Drawing And Spare Parts List
Clamping bush 912.1 Oval-head screw Cable gland Spacer Blind plug 913.1 Cheese-head screw Blind plug 913.2 Spring lock washer Protective roof Stator with winding Ring seal 916.1 Equipotential bonding terminal Name plate 916.2 Spring pin 989.1 Oval-head screw www.nord.com B1091-GB-3212 -19-... -
Page 20: Conformity Declarations
10. Conformity declaration -20- B1091-GB-3212 www.nord.com... - Page 21 10. Conformity declaration www.nord.com B1091-GB-3212 -21-...
- Page 22 10. Conformity declaration -22- B1091-GB-3212 www.nord.com...
- Page 23 Directive for the harmonisation of statutory regulations of member states for devices and protective systems for proper use in explosion hazard areas Applied harmonised standards: EN 60079-0: 2009 EN 60079-31: 2009 Initial labelling was carried out in 2011. Bargteheide, 19.08.2011 U. Küchenmeister: i.V. F. Wiedemann Manager Head of Motors Division www.nord.com B1091-GB-3212 -23-...
- Page 24 NORD DRIVESYSTEMS GROUP www.nord.com/locator Headquarters: Getriebebau NORD GmbH & Co. KG Rudolf-Diesel-Straße 1 22941 Bargteheide, Germany Fon +49 (0) 4532 / 289 - 0 Fax +49 (0) 4532 / 289 - 2253 info@nord.com, www.nord.com DRIVESYSTEMS Member of the NORD DRIVESYSTEMS GROUP...
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