NOTE
NOTE
NOTE
CAUTION
!
CAUTION
!
CAUTION
!
To avoid damage to the chevron seals, they
MUST
be installed from the rear of the barrel.
DO NOT
push the chevron seals straight onto the
shaft. The shaft threads may damage the chevron
bore and cause the applicator to leak fluid.
Inspect needle/electrode shaft sealing surface for
wear. If it is rough or uneven, replace it.
3. Place male nonconductive chevron adapter onto shaft
with the convex end rearward.
The chevron adapters and chevron seals should
seat together to form an unbroken seal.
4. Screw needle/electrode onto shaft and hand tighten.
Apply a light coating of dielectric grease to the
chevron seals and needle shaft.
5. Fill the inner diameter of the packing tube with dielectric
grease.
6. Insert the needle shaft, rear section first, into the pack-
ing tube. Rotate the needle shaft while moving back
and forth inside the packing tube until fully inserted.
7. With your finger, wipe the excess grease from both
ends of the packing tube. Using the excess grease,
apply a thin film to the outer surface of the packing
tube and to the external o-ring on the cartridge seal.
FAILURE
to coat the needle shaft assembly
MAY
CAUSE
lower electrical output of the applicator.
1. Place conductive female chevron adapter onto the front
of shaft with the concave side toward the front.
2. Screw the four (4) chevron seals onto shaft, concave
sides forward.
Be generous with the dielectric grease when ap-
plying it to the packing tube and needle shaft. This
helps to remove air voids from this chamber.
DO
NOT
apply so much grease that it creates an air lock
during assembly of the applicator.
8. Apply a light film of dielectric grease to the seal retainer
o-ring and install it into the external groove.
9. Insert the spring loaded u-cup seal into the seal retainer
(with the concave side facing outward). Use the short
end of the spacer to seat the seal.
10. While holding the rear seal retainer sub-assembly and
spacer together, place these components (with the
spacer rearward) onto the rear of the needle shaft and
slide them over the sealing area.
11. Place the six (6) spring washers onto shaft with the first,
third, and fifth ones concave (cupped) side forward.
The second, fourth, and sixth ones should be cupped
side rearward (see Figure 33).
AH-06-01-R17 (08/2019)
45 / 79
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