Hitachi NEXT Series - 3.3 LCD Display Usage

15
Maintenance Schedule B (for 4,000 hours/year or less operation)
Follow this schedule (B) if the MAINT.SCHEDULE : B appears on the LCD monitor.
○●… Replace △○… Complete service in house
△▲… Clean or check ▲●… Ask your distributor to service
Part or Item Action Category Type Remarks
LCD indications
Check
△
Fixed / V
Record data in the OPERATION RECORD LOGBOOK.
Oil level
Check
△
Fixed / V Add as required
Aftercooler/ Intercooler - Condensate
Drain
△
Fixed / V
Control line fi lter - Condensate
Check
△
Fixed
Part or Item Action Category Type Remarks
Air intake fi tter
Replace
○
Fixed / V
Main motor greasing –
△
Fixed / V
Fixed speed type: both DE / NDE side, Vtype: DE side
Oil fi lter (secondary) – Pressure
Check
△
Fixed / V Replace as required.
Control line fi lter – Condensate
Clean
△
Fixed
Strainer – Aftercooler/ Intercooler condensate drain
Clean
△
Fixed / V
Oil strainer (primary)
Check / Clean
▲
Fixed / V Clean as required.
Aftercooler/ Intercooler/ Oil cooler (air side)
Check / Clean
▲
Fixed / V Clean as required.
Hi-Precooler
Check / Clean
▲
Fixed / V
Clean as required. (Air-cooled 125psi (0.86)MPa type)
Blowoff solenoid valve - Operation
Check
▲
Fixed / V
Check valve - Air leak
Check
▲
Fixed / V
Air relief valve - Operation
Check
▲
Fixed / V
1
Daily Schedule
(for 4,000 hours/year or less operation)
2
Bi-Annual Schedule
(for 4,000 hours/year or less operation)
Part or Item Action Category Type Remarks
Lubrication oil
Replace
○
Fixed / V
Replace every 8,000h operating hour or 2 year, whichever comes earlier
Joints, Bolts, Nuts
Tighten / Check
△
Fixed / V
Air intake fi lter
Replace
○
Fixed / V
Gasket - Inter/Aftercooler condensate strainer
Replace
○
Fixed / V
O ring - Inter/Aftercooler condensate strainer
Replace
○
Fixed / V
Oil strainer (primary)
Clean
▲
Fixed / V
Thermistor, Pressure sensor, PCB other Electric parts
Check
▲
Fixed / V Change any operating parts in need replacement.
Cooling fan
Check for crack
/ Clean
▲
Fixed / V
Contoller fan (1), DCBL controller
Check for crack
/ Clean
▲
V Clean the fi n and duct
Cooling fan for fan inverter
Check for crack
/ Clean
▲
Fixed / V Clean the fi n (Air-cooled type)
Orifi ce- Aftercooler condensate
Check / Clean
▲
Fixed / V Clean as required.
Orifi ce and check valve- Intercooler condensate
Check / Clean
▲
Fixed / V Clean as required.
Aftercooler/ Intercooler/ Oil cooler (air side)
Check / Clean
▲
Fixed / V
3
Annual Schedule
(for 4,000 hours/year or less operation)