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Komatsu 930E-2 - Panel Gauges, Indicators and Controls; Key Switch; Normal Engine Shutdown; Starting

Komatsu 930E-2
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PANEL GAUGES, INDICATORS, AND CONTROLS (Figure 5-5)
KEY SWITCH
The key switch (1, Figure 5-5) is a three position (Off,
Run, Start) switch.
Starting
When the switch is rotated one position clockwise, it is
in the “Run” position and all electrical circuits (except
Start”) are activated.
1. With Selector Switch in Neutral, rotate
keyswitch fully clockwise to Start” position, and
hold this position until engine starts.
Start” position is spring-loaded to return to Run”
when key is released.
2. After engine has started, place REST switch in
Off” position (de-activate the REST” mode of
operation). Refer to discussion of REST SWITCH
(26, Figure 5-5).
Cold Weather Starting
Do not crank an electric starter for more than
30 seconds at a time.
Allow two minutes for cooling before attempting
to start engine again.
Severe damage to starter motor can result from
overheating.
Normal Engine Shutdown
1. Stop truck. Reduce engine RPM to low idle. Place
Selector Switch in Neutral” and apply Parking
Brake switch.
2. Place REST switch in On” position (put drive
system in REST” mode of operation). Refer to
discussion of REST SWITCH (26, Figure 5-5).
3. Allow engine to cool gradually by running at low
idle for 3 to 5 minutes or use the Engine Shutdown
with Timer Delay as described on the following
page.
4. With truck stopped and engine cooled down, turn
keyswitch counterclockwise to Off” for normal
shutdown of engine. If engine does not shutdown
with keyswitch, use Engine Shutdown Switch on
center console (see Operator Controls section)
and hold this switch down until engine stops.
5. With keyswitch Off”, and engine stopped, wait at
least 90 seconds. Insure steering circuit is com-
pletely bled down by turning steering wheel back
and forth several times. No front wheel movement
will occur when hydraulic pressure is relieved.
6. Verify all the LINK VOLTAGE lights turn off within
5 minutes after the engine is shut down. (One is
located in cab, behind the operator seat, two
others are located in the access panel at the left
front corner of the electrical cabinet.) If lights
remain on, refer to Section E” for additional
instructions and information.
7. Close and lock all windows, remove key from
keyswitch and lock cab to prevent possible un-
authorized truck operation. Dismount truck prop-
erly.
NOTE: A ground level shutdown switch is located on
lower front left side of truck.
N05044 Operator Cab Controls N5-13

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