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Summary of Contents for Gigasense LKV
- Page 1 Manual LKV/LKVX – Mechanical Overload Protection LKV/LKVX Mechanical Overload Protection Mechanical Slack Rope detection Manual LKV_LKVX_EN_002_1901017 © Gigasense AB Page 1 / 12...
- Page 2 Gigasense product warranty is not valid if other modifications than those described in this manual are made. Gigasense AB will not be responsible for any other use of this product than the intended use, which is specified in this manual.
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Page 3: Table Of Contents
Manual LKV/LKVX – Mechanical Overload Protection Revision history: Rev 000_2018-10-03 First edition Rev 001_2018-10-17 Type errors fixed. Rev 002_2019-01-17 Page 4, 7, 8: add info about secured seal. Added accuracy + cable info page 4. GENERAL – INTENDED USE ........................4 CONSTRUCTION ............................ -
Page 4: General - Intended Use
CONSTRUCTION The LKV/LKVX is constructed in high quality steel, plates and special spring washers. The protection class for LKV is IP67 according to IEC60529. Standard length of the cable is 4 m (weather- and oil resistant cable RDO 4x1.5mm²). SAFETY INFORMATION AND WARNINGS ... -
Page 5: Specifications
The spring element of the load cell is preloaded, reducing pull rod movement to the last 25% of full load. For the best possible accuracy, the LKV/LKVX is equipped with case-hardened wheels with carefully designed rope grooves. To ensure correct fitting on the rope diameter, the wheels and the clamping jaws are provided with rope tracks at intervals of 4 mm. - Page 6 4. Install the outer clamping jaw and tighten the hexagon headed bolts by hand using the spanner provided (B). Max. contact load to the micro switch of the LKV/LKVX is 250VAC, 500VA, 3A or 15W @ 220VDC or 50W @ 24VDC.
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Page 7: Installation - With No Switch Value Preset From Factory
Manual LKV/LKVX – Mechanical Overload Protection 7. Check that the LKV/LKVX cable is hanging clear and does not stretch when the hook is swinging. If the LKV/LKVX is installed below an equalizer sheeve, check so the movement does not interfere with the installed LKV/LKVX. - Page 8 LKV/LKVX switch does not operate, adjust the nut to the left (-) until it does. If the adjusted value is too low, turn the nut to the right (+) well past the switch value and then down again just enough for it to switch off.
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Page 9: Maintenance
8. Connect the protective earth wire, yellow/green, to the protective earth of the lifting equipment, if AC control circuit is used. 9. Check that the LKV/LKVX cable is hanging clear and does not stretch when the hook is swinging. If the LKV/LKVX is installed below an equalizer sheeve, check so the movement does not interfere with the installed LKV/LKVX. -
Page 10: Troubleshooting
2. The overload / slack rope switch value does not interrupt the lifting/lowering circuit - The Switch value is changed by unknown reason Solution: Check the switch value in a controlled environment, or send to Gigasense AB or Dealer. - The LKV/LKVX is mechanically damaged Solution: replace the unit or send for repair 3. -
Page 11: Replacement Of Parts And Disposal
If a failure should occur, it is recommended to send back the unit to the manufacturer for repair. Risk of electric shock! Make sure that connections to the LKV/LKVX is isolated before it is disconnected from the lifting equipment. After repair/service, and reconnection to the crane system, perform the steps in chapter "INSTALLATION"... - Page 12 Manual LKV/LKVX – Mechanical Overload Protection Manual LKV_LKVX_EN_002_1901017 © Gigasense AB Page 12 / 12...
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