16
Load dimensions
When working with large workpieces such as girders or plates, the load can deform during the lift. A large steel plate
would bend downwards at the outer edges and create a curved surface which no longer has full contact with the
bottom of the magnet. The resulting air gap reduces the maximum load-bearing capacity of the lifting magnet. Hollow
objects or those smaller than the magnetic surface will also result in less holding power being available.
Load alignment
During load transport, care must be taken that the lifting magnet is always at the center of gravity of the work piece
and that load, or lifting magnet respectively, is always aligned horizontally. In this case, the magnetic force of the
lifter acts with its breakaway force perpendicular in relation to the surface, and the maximum rated load-bearing
capacity is achieved with the 3:1 standard safety factor.
Temperature
The high-power permanent magnets installed in the lifting magnet will begin to lose their magnetic properties
irreversibly from a temperature of more than 80°C (180°F), so that the full load-bearing capacity is never reached
again even after the magnet has cooled down. Please note the specifications on your product or in the operating
manual.
Maintenance and Inspection
The user is obliged to maintain and service the lifting magnet in compliance with the specifications in the operating
manual and according to the country-specific standards and regulations (e.g. ASME B30.20B, DGUV-Information
209-013; AMVO).
The maintenance intervals are classified according to the recommended schedule.
Before every use...
•
visually inspect the lifting magnet for damage
•
clean the surface of the workpiece and the underside of the magnet
•
free the underside of the magnet of rust, chips or unevenness
Weekly...
•
inspect the lifting magnet for deformation, cracks or other defects
•
make sure the activation lever is working properly and latches correctly into place
•
inspect the lifting eyebolt for damage, deformation, cracks or wear and have it replaced if necessary
•
inspect the bottom of the magnet for scratches, pressure points or cracks and have the magnet repaired by
the manufacturer if necessary
Monthly...
•
check the markings and labelling on the lifting magnet for legibility and damage and replace them if
necessary
Annually...
•
have the load-bearing capacity of the lifting magnet checked by the supplier or an authorised workshop
Unauthorized repairs or modification to the lifting magnet are not permitted.
If you have any questions contact the manufacturer.
An annual inspection is recommended for the safe use of this lifting magnet. We will be glad to perform this
inspection for you in-house. Please send us an email to:
You will then promptly receive an offer and have the assurance that the lifting magnet will be inspected in a
process-reliable manner where it was actually produced.
Summary of Contents for TML 500 F
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