Tips and tricks
Use a case-hardened chain, not only a tempered chain. In comparison with a tempered chain, a case-hardened chain has a significantly longer service life.
Lubrication of the chain
Regular lubrication of the chain can extend the service life by the factor 20 - 50. It is important to lubricate the chain also between the chain links. A commercially available lubrication can be used here.
We have a wide range of spare parts for electric chain hoists – generations EM and GCH in stock. Through our global network of sales partners you get professional advice and the necessary spare parts promptly. These are to be removed and installed by qualified skilled personnel.
Diagonal pull of the chain hoist
The diagonal pull of loads (> 4°) should be avoided, since the chain and the chain guide are excessively worn out in this way, which can affect the safety of the system.
Wrong running direction of the chain hoist
The electric chain hoist is electrically incorrectly connected and needs to be properly connected by authorised staff.
As a standard, our electric chain hoists GPM are suitable for outdoor operation due to protection class IP65. The GCH series can be optionally upgraded to IP 65. In addition, it is recommended to install a protective cover above the electric chain hoist to protect it against weather influences.
Never pull the control cable to move the electric chain hoist, even when a strain-relief cable is installed. The control cable could be damaged or pulled out. Dislocation of the chain hoist must be carried out with a load hook.
Should the standard steel rollers be too loud or should they transmit noise into the building, we recommend plastic rollers (up to maximum 1 250 kg). For more soundproofing solutions please contact our sales team.
In case of aggressive acids or alkalis in your working environment, we recommend a corrosion-resistant electric chain hoist and a trolley with corrosion-resistant rollers.
Manual relocation of loads
The manual relocation of loads in steel beams, particularly in case of repetitive goods handling, can be very tedious. In such cases we recommend the installation of an electric tug. It enables continuous electric moving and can also be retrofitted in existing crane systems. This can also reduce inconvenient swinging of the load.
Sagging control switch interferes with load
Instead of a control switch use a radio control or an ideal control system in order to operate the crane system from a safe distance.
Use vacuum equipment with a central operating unit. All functions of the vacuum lifter and all lifting and travelling motions are integrated in one operating unit. This increases the operating speed and the ease of use.
Bulky goods transport
Depending on the size and shape of the transport goods, the operating unit can be installed in a longitudinal or transverse way, in order to create the most convenient operating position for the operator.
Transportation of glass
The GHG unit is particularly suitable for vertical transportation of glass panels, since it is light and handy and also because of the comparatively low costs of acquisition. The vacuum equipment is supplied with compressed air.
Chain hoist and / or trolley not running
Check whether the emergency-stop button on the control switch, crane switch or the radio control is engaged. Releasing the button by turning it clockwise.