ElectricalTests
Test Test
Test
Gun Gun
Gun
Barrel Barrel
Barrel
Resistance Resistance
Resistance
1.Insertaconductiverod(B)intothegunbarrel
(whichwasremovedforthepowersupplytest)
andagainstthemetalcontact(C)inthefrontof
thebarrel.
2.Measuretheresistancebetweentheconductive
rod(B)andtheconductivering(9).The
resistanceshouldbe10–30megohms.Ifthe
resistanceisincorrect,makesurethemetal
contact(C)inthebarrelandtheconductivering
(9)arecleanandundamaged.
3.Iftheresistanceisstilloutsidetherange,
removetheconductivering(9)andmeasurethe
resistancebetweentheconductiverod(B)and
thewireleadatthebottomoftheconductivering
groove.
4.Iftheresistanceisinrange,replacethe
conductivering(9)withanewone.Insertthe
endsoftheconductiveringintotheslots(S)at
thefrontofthebarrel,thenpresstheringrmly
intothegroove(G).
Theconductivering(9)isaconductive(metal)
contactring,notasealingo-ring.Toreduce
theriskofre,explosion,orelectricshock:
•Donotremovetheconductiveringexcept
toreplaceit.
•Neveroperatethegunwithouttheconductive
ringinplace.
•Donotreplacetheconductiveringwith
anythingbutagenuineGracopart.
5.Iftheresistanceisstilloutsidetherange,replace
thegunbarrel.
Figure19TestGunBarrelResistance
343A2495K