The high pressure pump is an ideal way to become independent of cylinders, expensive high pressure electric pumps, filling requirements and the dangers associated with high air pressures. The handpump will always produce 250 bar. unlike a SCUBA cylinder which will only fill the pistol or rifle cylinder to the same pressure that is remaining in the supply cylinder. It will be different with every fill. A handpump is portable and it is the cheapest filling system for airguns. These pumps are very efficient, they are a three-stage system which will give you four to six shots from each stroke of the pump. The pumps are compatable with all of the popular match air guns such as Steyr, Morini, Pardini, Walther etc.

PUMP SPECIFICATIONS

LENGTH:	650mm.	WEIGHT: 250g.
PRESSURE:	250 bar.	VOLUME: 230 to 245 cu. cm                 per stroke.

FILLING PROCEDURES:

1. Remove the plastic cap from the bottom of the pump and attach the filler adapter to the pump. It may take a wrench to tighten it correctly.

2. Attach your cylinder to the adapter fitting. Keep a small amount of light grease on the threads and o-ring to prevent wear. Tighten by hand only.

3. The small brass screw under the pressure gauge is for bleeding moisture from the pump.

4. Charge the cylinder up to 200bar. by slow, full strokes of the pump handle. Progress can be monitored by watching the manometer. Do not be aggressive in pumping, it can cause overheating.

5. When the desired pressure is reached release the small brass screw a little…..just enough to release the small amount of water that may have collected.

6. Disconnect the cylinder from the pump, the adapter can stay on the pump.

On some cylinders such as Steyr and Walther air will escape from the cylinder as well as from the base of the pump when the bleed valve is opened. The bleeder valve is an "open system" with the pump chamber and the cylinder which means that when the bleed valve is opened it will exhaust air from both the pump chamber and the cylinder. To avoid this [step 5 above], first loosen the cylinder by about one turn or one and a half turns, this will close the cylinder valve and when the bleed valve is opened only the pump chamber will be exhausted. This way the water is purged from the base of the pump without loss of pressure from the cylinder. Note that the Axsor pump will give a little more volume per stroke but it is also a little more difficult to pump than the FX [Gehmann].

It is not necessary to remove the cylinder from your airgun after use, there is no damage to the seals or firing mechanism if the pressurized cylinder is left on the pistol, in fact there will be less wear and damage to the o-rings if the cylinder is left mounted. You may want, however to remove the cylinder for safety reasons when storing the airgun at home.