Instructions for tting anti-siphon tubes
Werecommendthatanyworkthatiscarriedoutonthegascylinderiscarriedoutbyaqualiedprofessional,andtheinformation
in this chapter is intended to be used by such a person. PLEASE DO NOT ATTEMPT TO SERVICE YOUR GAS
CYLINDER YOURSELF.
1/ Screw valve into bottom-line all the way on.
2/ Install anti-siphon tube into valve until it is tight.
3/ Bend tube up so that it is within 1/16” of touching the
top of the tank, around halfway down the length of the tank.
4/ Then mark the valve at the top when it is installed on the
gun (with a punch mark or something similar).
5/ Then have the valve installed by a professional at Arrow Precision.
6/ Ensure cylinders and valve/regulator is Pi marked and in test.
Nowwhenyourtankisinstalledonyourgun,themarkshouldappearatthetop
of the valve and the tube will then only draw gas CO2from the top of the cylinder.
TROUBLESHOOTING
If you experience ball breakage in the barrel then:
1/ Bad paintballs, buy better quality next time.
2/ Velocity too high, reduce velocity.
3/ Liquid CO2enteringgun,haveananti-siphontubettedtoyourtank.
If you experience ball breakage in the breech then:
1/ Poorfeeding,makesurethatballscanenterbreechasfastasyoucanrethem.Makesurehopperandelbowareclean.Ifyourelong
bursts very fast then you may need a motorised loader. Also make sure that the balls are not breaking in the loader, this could be because
they are too brittle or because you are shaking the hell out of them!
2/ Liquid CO2enteringguncausinggastobeblownupintothefeeder,makesureyourcylinderisttedwithananti-liquiddevice.
If you experience poor accuracy then it could be:
1/ Poor paint.
2/ Paint or oil in barrel, clean it out.
3/ Velocity too high.
Leaks from barrel:
1/ Exhaust valve is dirty or worn out, clean or replace.
Gun will re single shots OK but drops off or goes fully auto under rapid re:
1/ Poorowcausinggasstarvationunderrapidre,checktankvalveisowingenoughgasandtherearenootherobstructionsingassupply.
Poorlyttedexpansionsystemsetc.areusuallytheworstculprits.
TIPS/MAINTENANCE (CLEANING GUIDE ON BACK PAGE)
Given the correct treatment the Inferno will perform reliably for many years. Cleaning dirt and contamination from the working parts will
reduce wear rates considerably, so always clean your gun after use. A well maintained gun will shoot more consistently and more accurately,
for longer.Therefore your target will receive more paintballs, this is what you want!
Always start any work on the gun by removing the CO² or air cylinder and any paintball hopper.
Toeldcleanthegun,cockthegunandapplythesafety,thisstopshammerfrombeingabletorotateiftriggerisaccidentallypulledandexposes
more area for lubrication.Then remove the cocking handle by pulling upwards, this will allow the bolt to be removed, backwards,from the breech
chamber. Wipe any residual paint from the feed stub and then clean the bolt using an oiled lint free cloth. Using a “squeegee,” clean straight
through, from rear of the marker out of barrel, do not go from barrel end as this will drag contaminants into marker internals. Ensure the barrel
is clean by inspection, any paint, water or oil residue in the barrel will cause extreme inaccuracy.Then squirt some “Inferno-lube” oil (available
from Arrow-Precision Ltd) down through the cocking handle slot so lubricant reaches the hammer assembly.The bolt can then be replaced into
the breech after a light spray of oil, rotate once to spread oil and ensure the transfer port is facing down towards trigger.After aligning the hole
in the bolt and the hammer, insert the cocking handle and check by cycling the action.Wipe over external surfaces with an oiled lint free cloth.
TIPS
It is a legal obligation to ensure your Inferno is not producing velocities over 300 feet per second, Chronograph your gun to be certain it
isn’t.Then re-check after a few minutes.
1/ Playingincoldweatheryoumaynoticeitbecomesdifculttoachievevelocitiesnear300fps.Thevelocityadjustercanbeusedtocom
pensate, but do not wind it all the way in an attempt to get the best velocity.This will cause the Inferno to use even more gas and reduce
the temperature of the tank further, making the problem worse. CO² needs to “boil off ” into a gas and absorbs heat to do so, so warming
thetankslightlywillhelp,placinginwarmroomorwaterforahourorsowillbesufcienttoallowtheguntofunctionproperlyagain.
2/ Conversely invery hotweatherthe Infernomay notbe able torewhen usingCO², asthe pressurewill haveincreased tobeyond
operating limits.
3/ If you experience either situation demonstrating the limitations of CO², using an air system may be a better propellant source. Air systems
offersomeadvantagesoverCO²-Airgivesbettershottoshotconsistencyasitisdeliveredataxedpressuretothegun.Thepressure
of CO² changes considerably as the temperature changes, air is not affected by temperature changes nearly as much. Arrow-Precision Ltd
can supply the correct “PI” marked “Airborn” regulators and high pressure air cylinders to achieve this safely.
4/ The“Inferno-lube”isrecommendedforuseintheInfernobecauseithasbeenspecicallyformulated-Itwillnotadverselyaffectseals
andOringslikeotherlubricantsmightandistheoptimalgradetoensurecorrectfunctioning.Alwaysuseatankttedwithaninternal
“anti-siphon”, this ensures no liquid CO² enters the gun in use.This gives better general consistency and avoids undesirable effects like
accelerated wear, poor accuracy and ball breakage.
Cocking Handle
Pull back to cock gun
Velocity Adjuster
Using 3/16th Allen Key turn
clockwise to raise velocity and
anti-clockwise to lower velocity
Safety Catch
Press in from left side
(Looking from back of gun
whenring)tomakesafe Bottom Line
Cylinder screws in clockwise to install
(make sure it is screwed all the way in)
- hand tight only DO NOT OVER
TIGHTIGHTEN.
Anti-Siphon tube
Instructions For Full Disassembly of the Inferno
1/ Before starting make sure that the Inferno is unloaded and de-gassed by removing the loader and cylinder and then unscrewing the barrel.
Thenpointtheguninasafedirectionandcockandreitoncetoverifythatitisde-gassed.
2/ Pull the cocking handle up this will allow you to remove the long bolt. Tip the gun up and the bolt should side out the back
of the Inferno.
3/ Using a 1/8 allen wrench, remove the two button head screws that retain the velocity adjuster, then withdraw the velocity adjuster and
then the mainspring guide and bumber.
4/ Using a 3/16 allen wrench remove the cap head screw that holds the grip and bottom-line to the grip frame and then remove
those parts.
5/ Then using a 1/8 allen wrench, remove the front and rear grip frame retaining screws and remove the grip frame.
6/ Using a 1/8 allen wrench, remove the two button head screws and washers that hold the valve body in place and slide out the valve body
from the front.
7/ Using a 9/64 allen wrench, remove the top cap retaining screw and then remove the top cap.
8/ If you need to remove the ball retainer then use a 5/64 allen wrench to remove the screws and washers and lift of the cover.
Theretainercanthenbepickedoutwithanepieceofwireorsomethingsimilar.
9/ If you need to dismantle the valve body, unscrew the valve guide and then remove the exhaust valve and spring.
10/ Re-assembly is the reversal of the above.
THINGS NOT TO DO
1/ Donotdryre(thatis,rethegunwithout
any gas supply), as this allows all the working
parts to “slam” into each other.
If this happens excessively, then serious dam
age will result.
2/ Do not use liquid CO2(i.e. a siphon tank),
this can cause accelerated wear on the work
ing parts and undesirable side effects such as
poor accuracy and ball breakage.
3/ If the “Inferno” goes fully auto when
fing, then it could possibly be because
the cocking handle has with drawn
from the hammer, if this is the case then
“catching” the cocking handle will not
stopthegunfromring.Inthiscasetheguncan
bestoppedfromringbyturningthegas
supply off. Be careful not to push the cocking
handle down while the gun is “running away”,
as this may cause damage to the gun.
2
5
NB. 0038
MAWP@STP300BAR
ARROW-PRECISION LTD
