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OPERATION
Emergency By-pass Switch for the ECS- Shut-down Func-
tion.
The unit is equipped with an Emergency By-pass Switch for the
ECS-system.
This switch is located on the "X2" switch board in the cab base
compartment and marked with "S27".
If an automatic shut-down of the Shovel happens, with a danger-
ous situation for man or machine, which needs the Shovel to be
operable to overcome the dangerous situation, actuate this switch
to override the shut-down function of the system and to enable a
restart of the engines.
NOTICE
This switch can not override engine initiated shutdowns.
As soon as the immediate situation of danger is over, shut
down the unit. Correct the fault that caused the shut down
and re-set the Emergency By-pass switch.
REMARK
When a battery voltage fault has occurred, the operational
data (oil vicosities, timer settings etc.) stored in the Programma-
ble Logic Controller (PLC) can be lost and must be re-entered
after the correct battery voltage has been re-established.
Hydraulic oil warm-up
On machines without hydraulic oil pre-heating system:
DO NOT start the engines if the ambient temperature (oil tem-
perature) is below the starting temperature shown in column
"1" of the hydraulic oil viscosity chart on page page 244 in this
section.
On machines with hydraulic oil pre-heating system:
Before starting the engine, warm-up the hydraulic oil to the
starting temperature shown in column "1" of the hydraulic oil
viscosity chart.
CAUTION
3.10 STARTING THE ENGINES
241
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