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Daily Operating Components - Hitachi NEXT Series Instruction Manual

Oil-free rotary screw air compressor
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2. GENERAL DESCRIPTION [Daily Operating Components]

2.3 Daily Operating Components

1
Controls on the Instrument Panel
● Indicates the operation control section.
(
3.1)
● Power ON → The Power light ON.
●  Start: Press the START button. → Start light ON.
● Stop: Press the UNLOAD STOP button. →
The compressor unloads for 5 minutes and then
stops. → Start light OFF.
● Power OFF: → Power light OFF.
AUTO
MONITOR
MENU
+/−
UP/ 
DOWN
SET
MONITOR
3
Lubricating Oil
Oil: Use genuine Hitachi GL-68 DSP Compressor Oil.
Replace the oil every 8,000h operating hour or every
2-year, whichever comes earlier.
10
RUNNING CONTROL
RUNNING MODE
REMOTE
POWER
ALARM
LOAD
[× 10h]
RESET
FUNC
AUTO START
SHUTDOWN
REMOTE
SELECT/WIDE
START
STOP
STR
1
2
UNLOAD STOP
2
Oil Level Gauge
●  Verify that the oil stays between the upper and
lower red lines of the oil level gauge during the
operation.
  
Oil level might be higher than upper line during air
compressor stopping due to oil returning from the cooler
and pipings.
Oil Level Gauge
4
Aftercooler and Intercooler - Condensate Drain Valve
●  Verify that air containing condensate is discharged
intermittently from the intercooler and aftercooler
drain ports.
 
The higher temperature and humidity, the more condensate
is produced. Condensate may not be produced on the
intercooler side during winter.
[Fixed speed type]
Intercooler
drain port
Oil Filling Port
Control pipe filter
drain port
Intercooler
drain port
Aftercooler
drain port
Aftercooler
drain port

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