Hitachi DSP-160V6WN User Manual

69
9. MAINTAINING THE DSP [Standard Maintenance Schedule]
Description Maintenance Classification Model/Type Remarks
Oil Replace
○
Fixed/VSD
Joints, Bolts, Nuts Tighten/Check
△
Fixed/VSD
Air Intake Filter Replace
○
Fixed/VSD
Oil Filter (secondary side) Replace
○
Fixed/VSD
Oil Strainer (first side) Clean
▲
Fixed/VSD
Blow-off Valve Sheet Gasket Replace
●
Fixed Speed only
Suction Throttle Valve Seal Gasket Replace
●
Fixed Speed only
Thermister, Pressure sensor, PCB, other Electric ports Check
▲
Fixed/VSD Replace parts if failure found.
Aftercooler Drain Pipe Orifice Check/Clean
▲
Fixed/VSD
Intercooler Drain Pipe Orifice & Check Valve Check/Clean
▲
Fixed/VSD
Aftercooler Check/Clean
▲
Fixed/VSD
Intercooler Check/Clean
▲
Fixed/VSD
Oil Cooler Check/Clean
▲
Fixed/VSD
Blow-off air cooler Check/Clean
▲
Fixed/VSD
Purge air solenoid (For purge and anti-reverse rotation in electrical outage) Check
▲
VSD only Replace parts if failure found.
Demister Check/Clean
▲
Fixed/VSD
Airend Casing Jacket Check/Clean
▲
Fixed/VSD
3-way Solenoid Valve, Drain Solenoid Valve, Capacity Control Device Check
▲
Fixed Speed only Replace if necessary.
Safety Valve Check/Clean
▲
Fixed/VSD
Protection, Safety Device Check
▲
Fixed/VSD Replace parts if failure found.
Motor Check
▲
Fixed/VSD Measure insulation resistance and clean.
Description Maintenance Classification Model/Type Remarks
Control Line Filter Element Replace
○
Fixed Speed only
Purge air solenoid (For purge and anti-reverse rotation in electrical outage) Replace
●
VSD only
Oil Pump Oil Seal Replace
●
Fixed/VSD
Oil Pump Bearing Replace
●
Fixed/VSD
Check Valve Replace
●
Fixed/VSD
Drain Discharge Solenoid Valve Replace
●
Fixed/VSD
Check Valve for dranage & control air pipng Replace
●
Fixed/VSD
Intercooler Drain Pipe Strainer Replace
●
Fixed/VSD
VFD (Variable Frequency) Check
▲
VSD only
Cooling Capacity for VFD Replace
●
VSD only Clean if necessary.
Description Maintenance Classification Model/Type Remarks
Motor Bearing Replace
●
Fixed/VSD
Air End Assembly Replace
※●
Fixed/VSD Replace by overhauled Air End Ass’y.
Bearing – Gear Case Replace
●
Fixed/VSD
Demister Replace
●
Fixed/VSD
3-way Solenoid Valve Replace
●
Fixed Speed only
Oil Strainer (first side) Replace
●
Fixed/VSD
Motor Shaft Seal parts Check/Clean
▲
Fixed/VSD
Temperature Control Valve Replace
●
Fixed/VSD
Oil Level Gauge Replace
●
Fixed/VSD
Battery Replace
●
Fixed/VSD
Smoothing Capacity for VFD Replace
●
VSD only
Control Line Filter Replace
●
Fixed Speed only
※Discharge Pressure 0.75MPa models：48,000h, Discharge Pressure 0.93MPa models：32,000h
3
Annual Schedule
(for yearly 8,000-or-less operating hours)
4
2-Year Schedule
(for yearly 8,000-or-less operating hours)
5
6-Year Schedule: Overhauling
(for yearly 8,000-or-less operating hours)

Hitachi DSP-160V6WN Specifications

General

Brand	Hitachi
Model	DSP-160V6WN
Category	Air Compressor
Language	English