Buzzer Stop Switch - Hitachi EX1900-5 Operator's Manual

Hydraulic excavator
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BUZZER STOP SWITCH

The buzzer will sound in the following cases.
1. Coolant level is low.
(Coolant level indicator (2) lights also.)
2. Pump transmission oil pressure is low.
(Pump transmission oil pressure indicator (3) lights
also.)
3. Engine oil pressure is low.
(Engine oil pressure indicator (4) lights also.)
4. Engine coolant overheat.
(Overheat indicator (5) lights also.)
5. Hydraulic oil tank oil level is low.
(Hydraulic oil level indicator (6) lights also.)
6. Stop valve in the low pressure circuit is closed.
(Stop valve indicator (7) lights also.)
Depress buzzer stop switch (1) to stop buzzer. Buzzer is
automatically reset after releasing buzzer stop switch (1). If
the buzzer sounds again, recheck the above cases.
OPERATOR'S STATION
1-28
5
1
6
7
4
3
M18C-01-023
2
M18C-01-024

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