Download Table of Contents Print this page

Hitachi NEXT Series Instruction Manual page 88

Oil-free rotary screw air compressor
Hide thumbs Also See for NEXT Series:


Table of Contents
9. MAINTENANCE [How to Service the Air Compressor]
Operation Check of Air Relief Valve (Bi-Annually)
[Rear view]
Air relief valve
(insaide the cover)
Cleaning of Control Line Filter (Bi-Annually) [Fixed-Speed type]
① Maintain the rated maximum discharge pressure
(ex. 100 psi (0.69 MPa).
②   P ull the ring connected to air relief valve.
③ Verify that the air relief valve operates properly and
get a hand off of the ring.
During inspection of the operation of the air
relief valve, use the appropriate facial
protection. High pressure air containing dust
particles can cause severe injury.
① Depressurize the system described in 9.4
② Remove the left enclosure panel.
③ Remove the control line filter element, and then use
an air nozzle to blow out the inside surface (reverse
flow action) of the control line filter element in order
to remove any dust particles.
④ Replace the element annually..

Hide quick links:


Table of Contents

Table of Contents