Mercedes-Benz Conecto, Manual

Page: 242 / 268

Practical advice
Electrical system safety precautions
M54.00-0259-01
Remove security seal (1).
Open the cover of emergency release
switch (18).
Pull switch (18).
The spring actuators are released.
Note:
Switch off the emergency release device
before restoring the bus to normal opera-
tion.
Note:
Provide the cover with a new security
seal and secure it with wire.
Note:
Test regularly.
Electrical system safety precautions
For safety reasons, always switch off the
battery isolating switch before work is
carried out on the electrical system or
the batteries are connected/disconnec-
ted.
Do not connect or disconnect wiring har-
ness connectors from electronic control
units unless the ignition switch has been
switched off.
Always protect the starter, alternator
and electrical plug connections against
moisture when the engine is washed.
Never bridge or repair fuses.
Only use fuses of the specified amper-
age. Never replace fuses with those of a
higher ampere rating as this could lead
to damage to the electrical system.
Caution:
Observe the following if the batteries
are to be electrically isolated from the
on-board power supply for any reason,
e.g. by operation of the battery isolat-
ing switch: after switching off the engine,
wait at least five minutes before isolat-
232
CONECTO (C628.3--)/08.2007 GB