AirArms HFT 500

AirArms HFT 500
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  • AirArms HFT 500
  • AirArms S400, S410, S510, TDR and similar models
  • AirArms S400, S410, S510, TDR and similar models
  • AirArms HFT 500
CA-RE-032-001

The easiest and fastest installation regulator in the world.

This Airgun Regulator is the same for all others models us, for example, S400, S410, S510, TDR. No drilling in the tank.vManometer on airgun shows regulated pressure. Simple installation. Quickfill with manometer was added in section other accessories.

  • 250 char. max
Caliber: .177 /4.5mm
Required energy with regulator: 7,5J / 5,5 ft/lbs
€89.00
Quantity

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Airgun regulator for AirArms S400, S410, S510, HFT 500, TDR, and similar models

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

AirArms Classic version video installation

Setting output pressure on regulator

What to do when your output pressure increasing over time? This is most likely caused by dirt on o-ring on plastic screw.

In this video is shown how to remove dirt and replace o-ring. In video is used Gunpower regulator. Procedure is the same for other regulators.

Video how to take regulator out of regulator body

Installation instructions for AirArms classic air rifle pressure regulator

NOTE: Few customers wrote to us that in the last version of AA classic was added under valve spring iron roller. This roller has to be removed to get valve spring preload right, in some cases airtube could not be filled, there was air leak around the valve when this roller was not removed.

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

How to mount Altaros regulator

Drain all air from airtube and unscrew coupler between airtube and barrel. Unscrew airtube and unscrew manometer too, deflect manometer and unscrew bolt under him.
Replace original air chamber with new one which is send with regulator. Screw this new air chamber in such depth that from top of valve to top of this new air chamber is distance 7,9mm.
By doing this and screwing it in right position you set optimal spring preload. Screw small bolt under manometer so new air chamber can not be unscrewed anymore. Put manometer back in original position and screw manometer holder. Check inside of airtube and o-ring on regulator, all should be clean without any damage. Spray thread inside of airtube and o-ring on regulator with silicone spray. Push regulator inside airtube (brass regulator towards quickfill). Then push air chamber in airtube too. It should be pushed in such depth that you see approximately half of the inner thread inside of airtube. Take air chamber out and put it next to the valve, attach airtube and start screwing airtube back on airgun valve. By screwing it back ( with air chamber inside ) you get your regulator in right position. Installation is complete.

Before filling is needed stretch cocking lever rifle, otherwise air will still pass through the barrel. When filling is necessary to fully open the valve diving bottle until in airtube is 70bar or more, then it is possible to fulfill the normal speed.

Setting pressure of airgun regulator

Altaros regulator output pressure can be set from 100bar (1450 PSI) to 150bar (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 represent pointer which shows you currently set pressure on 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


Recommended output pressure to 16 J is in the range of 100 to 120 bar.

Altaros regulator shipment contains

  • Airarms Regulator
  • Brass handle for regulator
  • Air chamber
  • Spare o-rings

Recommended settings rifle after installing the regulator. Set a side screw that restricts the flow-through channel in the barrel to achieve minimum consumption at 16J.

Remove the side screw, which is interfering in the channel and then try screw it little by little back until it begins to decrease Shooting speed.

Warning: 

Never unscrew regulator brass screw plugs! If you do so the regulator immediately stops working and repair is only possible at the manufacturer!

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 classic

Measurements were performed with a small airtube. With larger airtube will by number of shots higher. Around 90-120 shots.

Average 221,6ms
Min 220,1ms
Max 223,1ms
Difference 3ms
Shots 67
Power 16J

Average 213,3ms
Min 212,2ms
Max 214,7ms
Difference 2,5ms
Shots 79
Power 15,2J

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