3 – 2 Repair Manual RRE140/160/180/200/250 © BT
General safety rules
Electrical system
T-code Valid from serial number Date Publication No.
815, 816 6051502 2008-08-21 261828-040
3.2 Electrical system
When working on the electrical system of the truck, remember the fol-
lowing:
• a short circuit may occur if metal objects come into contact with live
connections. This can result in burns. So 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 may damage the battery.
• always remove the battery plug when carrying out maintenance on
the truck, unless the instructions in this service manual state other
-
wise.
• blow electric motors clean using compressed air.
• clean electrical panels, electronic cards, connectors, contactors, so-
lenoid valves, etc. with a moist cloth and a cleaning agent that will
not damage the part.
IMPORTANT
Risk of short-circuiting that may damage electrical components.
Do not break the warranty seal on the electronic cards.
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