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REF PART
DESCRIPTION
NO.
NO.
i
Both Automatic and Hand
Gun
I c A
The barrel may slide off with heavy resistance.
resistor housina.
Pull the barrel straight UP to avoid damaging the
The barrel retaining ring IV) and retaining nut do not
have to be removed.
If
they must be replaced,
lift
one
end of the retaining ring out of i t s groove and spiral
it
off
the end of the barrel. Then remove the retaining nut.
Replace the parts in reverse order.
NOTE:
Do not remove the fluid fitting IU) from the
barrel,
IJ)
unless it is damaged or there is
fluid leaking. A Kalrez O-ring around the fit-
ting is standard.
~~
Needle Replacement
In the manual gun 217-081 unscrew the adjusting nut
(SI
from the extension (T).
Use the special wrench Isupplied1 to remove the in-
sulator seat (PI and the valve seat (Q) from the barrel.
removing it from the front of the gun. A needle nose
See Fig 4. Push the needle assembly
IR)
forward,
pliers can be used to help pull the assembly out. Clean
all of the parts in
a compatible solvent.
WARNING
Xylol or mineral spirits.
Do not use conductive solvents. We recommend
shown in Fig 4. Lubricate all O-rings and washers with
Replace all the standard O-rings with the new O-rings as
petroleum jelly.
To reassemble, insert the needle assembly through the
front of the barrel until it is seated on the shoulder in the
tighten the valve seat
(0)
and the insulator seat
(PI.
barrel. Use the special wrench (supplied) to install and
Assemble the barrel to the gun body. tightening the re-
Barrel Reassembly
taining nut
(GI
with the special wrench (supplied).
using the nut (6).
Reassemble the fluid tube assembly to the fitting (U)
assembly using the retaining rings
(N),
and the pin
(0).
In the Automatic Gun
217-098, reassemble the needle
Install base plate IL). See Fig 2.
In the manual gun 217-081, install the needle adjusting
nut ( S ) onto the extension
(TI
with the shoulder facing
the rear. When installing the trigger, be sure that the ad-
justing nut is not so far onto the extension as to render
the trigger safety ineffective.
Reassemble the High Voltage cable to the gun.
-
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