Hitachi ZAXIS 30U-5N Operator's Manual page 126

Hydraulic excavator
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Starting in Cold Weather (ZX30U-5N, 35U-5N)
Preheating
1. Confirm that pilot control shut-off lever (1) is in the LOCK
position.
2. Turn engine control dial (3) to around the middle
between the slow idle and fast idle position.
3. Sound the horn to alert bystanders.
4. Insert key switch (2). Turn it to ON position.
5. The basic screen will be displayed on the monitor.
The machine will automatically check if preheating is
required or not. When preheating is required, preheat
indicator (4) is lit for automatically.
6. As soon as preheat indicator (4) goes OFF, turn key
switch (2) to START position to rotate the starter.
IMPORTANT: Never operate the starter for more than 15
seconds at a time. If engine fails to start, return key
switch to OFF. Wait for more than 30 seconds, then
try again. Failure to do so may cause damage to the
starter and/or discharging the batteries.
This machine adopts the starter energizing time
restriction control. The starter power will be
automatically cut after running 30 seconds.
7. Release key switch (2) immediately after the engine has
started. Key switch (2) will automatically return to ON
position.
f
NOTE:
 For a while after the engine starts, the automatic heating
system operates, the engine speed will temporarily
increase.
 White smoke may occur for several minutes after the
engine start, this is not a malfunction.
OPERATING THE ENGINE
3-4
2
Slow Idle
1
M1M7-03-001
MADB-03-002
Fast Idle
3
MADB-01-067
4
MADH-01-009

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