Electrical System - Hyundai 250D-9 Manual

8. ELECTRICAL SYSTEM

8. ELECTRICAL SYSTEM
1) 1) WIRING, GAUGES WIRING, GAUGES
Check regularly and repair loose or malfunctioning
gauges when found.
2) 2) WELDING REPAIR WELDING REPAIR
Before start to welding, follow the below
procedure.
(1) Shut off the engine and remove the start switch.
(2) Disconnect ground cable from battery by master
switch.
(3) Before carrying out any electric welding on the
machine, the battery cables should be
disconnected and the connectors pulled out of
the electronic control units (ECU, MCU, TCU,
cluster etc).
(4) Connect the earth (ground) lead of the welding
equipment as close to the welding points as
possible.
※
Do not weld or flame cut on pipes or tubes Do not weld or flame cut on pipes or tubes
that contain flammable fluids. Clean them that contain flammable fluids. Clean them
thoroughly with nonflammable solvent before thoroughly with nonflammable solvent before
welding or flame cutting on them. welding or flame cutting on them.
Do not attempt to welding work before carry Do not attempt to welding work before carry
out the above. out the above.
If not, it will caused serious damage at electric If not, it will caused serious damage at electric
system. system.
Open
Master switch
Battery
7-48
Loose
250D7MI56
Cluster
ECU
MCU
TCU
250D9MI57