95
9. MAINTENANCE [How to Service the Air Compressor]
Air-Cooled
1
For light and non-greasy dust particle
① Remove the front door and panel and rear panel [Ref.
No. 904, 905, 906, 944, 953, 911, 912, 913].
② Remove the maintenance cover (1)(2)(3)(4).
③ Use an air nozzle to blow the cooler surfaces.
2
For heavy and greasy dust particles
(detaching the cooler)
① Remove the enclosure panels.
② Drain the oil from the system.
③ Disconnect all the sensor wires from the cooler.
④ Disconnect all air / oil pipes at the joints.
⑤ Disconnect the discharge pipe.
⑥ Loosen and remove the cooler bolts.
3
For heavy and greasy dust particles
(cleaning the detached cooler):
① Use an air nozzle to blow the cooler surfaces.
② Soak the cooler in a detergent bath or spray detergent
onto the cooler. Use an air nozzle to blow the cooler
surfaces.
③ Generally, there are 3 kinds of dust and dirt particles.
・ Light dust particles
・ Heavy dust particles
・ Greasy dust particles
Contact the local HITACHI distributor/master dealer
or representative office for the detail.
9
Cleaning of Cooler (Annually)
Instrument
panel
Front door (2)
Front door (1)
Front panel
Front frame
Maintenance
cover (2)
Rear panel (3) Rear panel (2) Rear panel (1)
Maintenance cover (4)
Maintenance cover (3)
Magnet rubber
Maintenance cover (1)
To Next Page
Loading...
