Air Arms EV2 MK4 regulator

Videos for installation and proper use regulator in the airgun AirArms EV2

AirArms  EV2 air rifle pressure regulator installation instuction

It is appropriate before reading the instructions to look at the video instructions and then read the instructions for avoiding common mistakes during installation.

Drain all air from airtube and unscrew coupler between airtube and barrel. Unscrew brass screw on the original regulator and mount Altaros regulator.
Regulator can be used in cascade with original regulator, or without orginial regulator.
While using it with the original Regulator, regulator can improve consistency with longer pauses in individual shots (no major change in speed).
When used as the main regulator must be in the original regulator Unscrew seat (screw inside the regulator – which is located in hole under the screw unscrewed during the installation in video) for 3 turns.

Setting pressure of airgun regulator

Altaros regulator output pressure can be set from 100bar (1450 PSI) to 150 bar (2200 PSI). For a quick setting is on regulator engraved scale according to which the desired output pressure can be set. The total scale range of 100-150bar corresponds to approximately 1/2- turn. Unscrewing, or screwing setting screw more than 1 turn may result in a malfunction of the regulation and scale will not show you regulated pressure. Groove on red marked half of setting plastic screw represents pointer which shows you currently set pressure on the scale. To change the pressure on regulator, just simply rotate the set screw with the flat screwdriver in the appropriate direction according to regulator scale.
Regulator pressure scale with three different settings

Warning: 

Never unscrew regulator brass screw plugs! If you do so the regulator immediately stops working and repair is only possible at the manufacturer! Regulator must be installed no later than six months after purchase. Ideally immediately upon delivery.

You must keep maximum cleanness in the entire pressure system (airtube and outer o-rings).

The disassembly of the internal parts regulator or failure at the exact installation procedure means that you can not claim the warranty. Since the regulator is not original part from the manufacturer’s, installation is on your own responsibility.

Results with installed regulator in air gun AirArms EV2

Cascade regulation: the original evo regulator is set on 90bar ( by manufacture), altaros regulator is set on 100 bar.