Index revision : B - September 2020
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7.3.4. Procedure C2: Replacement of HVU
• Unscrew the HV contact.
• Using a multigrip pliers, extract the HVU
from the barrel.
• Replace the HVU, apply a light coat of die-
lectric grease (P/N H1GSYN037) to the seal
of the new HVU.
• Position the HVU in the gun and push it to
the stop.
• Place a plug with a layer of dielectric
grease on the HV contact seal.
Screw it to the c 1/4 turn. Make
sure to leave a slight protrusion of the screw
head in relation to the surface of the barrel.
