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Summary of Contents for emk KHF Series
- Page 1 » Operating and maintenance guidelines EMK-motors...
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Page 2: Table Of Contents
Table of contents Operating and maintenance guidelines EMK motors Operating and maintenance guidelines EMK motors Spare Parts Lubrication periods Measures Operating and maintenance guidelines spring-operated brake... -
Page 3: Operating And Maintenance Guidelines Emk Motors
Operating and maintenance guidelines EMK motors » EMK motors distinguish themselves... The electrical connection and maintenance of an elec- Important for installations in wet internal conditions tric drive may only be carried out by qualified electrical or outdoors. personnel, who are conversant with the relevant regu- lations. - Page 4 Drain-hole Maintenance EMK-motors are equipped with a drain-hole (originally For motors up to and including size 132 it is sufficient closed) which has to be opened during service regularly. to keep the cooling passages cleaned and to check the bearings.
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Page 5: Spare Parts
Spare Parts » When requiring spares please quote the serial number and data shown on the nameplate together with part numbers and description. Motor malfunctions Faults Cause Remedy Motor overheated (can only be determined by measure- Motor connected in delta instead of in star as intended. Correct the wiring connection. -
Page 6: Lubrication Periods
Lubrication periods bearing h/3000 rpm h/1500 rpm h/1000 rpm h/750 rpm quantity (g) 6309 5200 9500 11700 12800 6311 3500 7400 9400 10700 6312 2600 5900 7800 8800 6313 2500 5700 7700 8900 6314 1800 4800 6600 7600 6315 1400 3900 5400 6400... -
Page 7: Measures
Commissioning » Anti-rust All exposed, outer components (e.g. shaft end, flanges, The operating instructions of the EMK motor as well feet) have a protective coating for 6 months storage as the safety information „Warnings“ which are sup- under dry conditions. - Page 8 a) Shaft height 56 to 132 (closed bearings) Minimum insulation resistance for new, cleaned or If the time from delivery to commissioning of the en- repaired windings (at 25°C) 10 MOhm gines is Critical specific insulation resistance after long opera- »...
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Page 9: Operating And Maintenance Guidelines Spring-Operated Brake
» Application DThe spring-operated DC-energized disc brakes are used for the EMK three-phase AC motors of the KHF series in frame sizes 80 - 132. The brake must not be operated in potentially explosive or aggressive atmos- pheres. Ambient temperature: -20°C to + 40°C »... - Page 10 » Spring-operated brake EMK-KHF 3-Phase-Induction-motors Operating conditions Maintenance The EMK-KHF series motors can be used under the fol- The motor should be checked and cleaned regularly. lowing conditions: The intake port of the fan cover should be cleaned of dirt to ensure proper cooling. The motors have perma- Frequency / voltage: nently lubricated, maintenance-free bearings.
- Page 11 Technical Data » Operating values of the brake brake release time (s) % IEC frame size air gap (mm)) stat. brake torque (Nm) max. air gap (mm) fast slow 0.3-0.8 <0.20 <0.50 0.3-0.8 <0.20 <0.50 0.3-0.8 <0.20 <0.50 0.3-0.8 <0.25 <0.60 0.4-0.9 <0.25...
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