3 – 2 Repair manual SWE100, 120, 120L, 120S, 140, 140L, 200D © BT
General safety rules
Electrical system
T code Valid from serial no. Date Order no.
841×842×843 6061850- 2012-08-30 258946-120
3.2 Electrical system
When working on the electrical system of the truck, remember the
following:
• a short circuit may occur if metal objects come into contact with live
electrical connections. This can result in burns. Remove watches,
rings and other metal jewellery before starting work.
• always use insulated tools while working on the electrical system.
• always switch off the truck's power supply before opening the hoods
to the drive assembly and the electrical system.
• disconnect the battery when using electric welding equipment. The
welding current can enter and damage the battery.
• always remove the battery plug when carrying out maintenance on
the truck, unless the instructions in this repair manual state
otherwise.
• blow electric motors clean using compressed air.
• clean electrical panels, PCBs, contactors, contacts, magnetic
valves, etc., with a moist cloth and a cleaning agent.
Note!
Risk of short circuit that may damage electrical components.
Do not break the warranty seal on the PCBs.
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