5
Operation and Maintenance
▲ Ensure that the personnel has been instructed correspondingly before working on the
weighing platforms with foldable load plate and has read and understood these operating
instructions.
▲ Ensure that the weighing platforms with foldable load plate are only operated within a
temperature range of –10 °C to +40 °C.
▲ Ensure that mounting and maintenance of the weighing platform, in particular of the gas
pressure spring, is carried out exclusively by an authorised METTLER TOLEDO service
technician.
The equipotential bonding must be installed by a professional electrician when using the
weighing platform in Zones 2 and 22. METTLER TOLEDO Service only has a monitoring and
consulting function here.
➜ Connect equipotential bonding (PA) of all devices (weighing platform and service termi-
nal) in accordance with the country-specific regulations and standards. In the process,
make sure that all device housings are connected to the same potential via the PA terminals.
Equipotential bond ing with KC..., KCS...
(1) Equipotential bonding clamp
(2) Potential plate weighing platform
(3) Serrated lock washer 4.3 DIN 6798
(4) Washer 4.3 DIN 125
(5) Hexagonal lock nut M4 DIN 934
(6) Fillister head screw M5x12 DIN 912
(7) Washer 5.3 DIN 125
(8) Serrated lock washer 5.3 DIN 6798
(9) Frame bracket, thread M5 is present
Equipotential bond ing with KD..., KE..., KES...
➜ Secure equipotential bonding clamp to a suitable area of the base frame.
Mounting materials
Mounting materials are enclosed with the IND560, IND690xx and IND4..xx weighing terminal.
3 Equipotential bonding