Maintenance; Standard Maintenance Schedule - Hitachi NEXT Series Service Manual

3. MAINTENANCE

3.1 Standard Maintenance Schedule

Maintenance Schedule A (for 8,000 hours/year or less operation)
Follow this schedule (A) if the MAINT.SCHEDULE : A appears on the LCD monitor.
Daily and 3-month Schedule
1
Part or Item
LCD indications
Oil level
Aftercooler/ Intercooler - Condensate
Control line fi lter - Condensate
Main motor greasing
Bi-Annual Schedule
2
Part or Item
Air intake fi tter
Oil fi lter (secondary) – Pressure
Control line fi lter – 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
Annual and 3-Year Schedule
3
Part or Item
Lubricating oil
Joints, Bolts, Nuts
Air intake fi lter
Gasket - Inter/aftercooler condensate strainer
O ring - Inter/aftercooler condensate strainer
Oil strainer (primary)
Oil fi lter (secondary)
Consumable parts - Suction throttle valve
Seal washer - Suction throttle valve
Seal gasket - Suction throttle valve
Thermistor, Pressure sensor, PCB other Electric parts
Cooling fan
Contoller fan (1), DCBL controller
Cooling fan for fan inverter
○●... Replace
△▲... Clean or check
(for 8,000 hours/year or less operation)
Category
Action Type
Every
Dally
3 months
Check Fixed / V
△
Check Fixed / V
△
Drain Fixed / V
△
Check Fixed
△
Fixed / V
– △
(for 8,000 hours/year or less operation)
Action Category Type
Replace Fixed / V
○
Check Fixed / V
△
Clean Fixed
△
Clean Fixed / V
△
Clean Fixed / V
▲
Fixed / V
▲
Check / Clean Fixed / V
▲
Check Fixed / V
▲
Check Fixed / V
▲
Check Fixed / V
▲
(for 8,000 hours/year or less operation)
Category
Action
1-year 3-year
Replace
○
Tighten / Check
△
Replace
○
Replace
○
Replace
○
Clean
▲
Replace
●
Replace
●
Replace
●
Replace
●
Check
▲
Check for crack
▲
/ Clean
Check for crack
▲
/ Clean
Check for crack
▲
/ Clean
13
△○... Complete service in house
▲●... Ask your distributor to service
Record data in the OPERATION RECORD LOGBOOK.
Add as required
Fixed speed type: both DE / NDE side, Vtype: DE side
Replace as required.
Clean as required.
Clean as required.
Clean as required. (Air-cooled 125psi (0.86)MPa type)
Type
Fixed / V
Fixed / V
Fixed / V
Fixed / V
Fixed / V
Fixed / V
Fixed / V
Fixed
Fixed
Fixed
Fixed / V Change any operating parts in need replacement.
Fixed / V
V Clean the fi n and duct
Fixed Clean the fi n (Air-cooled type)
Remarks
Remarks
Remarks