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Standard Maintenance Schedule - Hitachi NEXT Series Instruction Manual

Oil-free rotary screw air compressor
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9.2 Standard Maintenance Schedule

Maintenance Schedule A (For 8,000 hours or less operating hours per year)
Follow this schedule (A) if the MAINT.SCHEDULE : A appears on the LCD monitor.
※ A in Type category stands for Air-cooled type
※ W in Type category stands for Water-cooled type
1
Daily and 3-month Schedule
Part or Item
LCD indications
Oil level
Aftercooler/Intercooler - Condensate
Control line filter - Condensate
Main motor greasing
Air relief valve
Cooling fan
Oil cooler
Hi-precooler
Oil mist remover
2nd-stage air end
1st-stage air end
Bi-Annual Schedule
2
Part or Item
Air intake filter
Oil filter (secondary) - Pressure
Control line filter - Condensate
Strainer - Aftercooler/Intercooler condensate drain
Oil strainer (primary)
Aftercooler/Intercooler/ Oil cooler (air side) Check/Clean
Hi-Precooler
Blowoff solenoid valve - Operation
Check valve leakage
Air relief valve - Operation
(for 8,000 hours/year or less operation)
Category
Action
Daily
Check
Check
Drain
Check
-
Aftercooler
Discharge pipe (Compressed
Air Discharge)
Oil filter
(for 8,000 hours/year or less operation)
Action
Category
Replace
Check
Clean
Clean
Clean
Check/Clean
Check
Check
Check
9. MAINTENANCE [Standard Maintenance Schedule]
○●... Replace
△▲... Clean or check
Type
Every
Fixed/V
A/W
3-month
Fixed/V
A/W Record data in the OPERATION RECORD LOGBOOK.
Fixed/V
A/W Add as required.
Fixed/V
A/W
Fixed
A/W
Fixed/V
A/W
Check valve
Air intake filter
Oil level gauge
Type
Fixed/V
A/W
Fixed/V
A/W
Fixed/V
A/W Replace as required.
Fixed
A/W
Fixed/V
A/W
Fixed/V
A/W
Fixed/V
A/W Clean as required.
Fixed/V A only Clean as required.
Fixed/V
A/W
Fixed/V
A/W
Fixed/V
A/W
△○... Complete service in house
▲●... Ask your distributor to service
Remarks
Intercooler
Enclosure
Instrument panel
Control panel
Common base
Main motor
Remarks
75

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