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•
Take the side blocks off by removing screws.
•
Examine the sides of the mixing chamber for scratch
es and/or material build-up. Carefully, without
scratching the seal surfaces (sides), remove any
accumulated material. Solvent can be used to wash
accumulated material off of chamber, side blocks, etc.
Keep the gun chamber tilted toward the ground so
that solvent does not run back into gun. Certain
solvents will attack o-rings on chamber shaft causing
swelling and deterioration of o-rings.
•
Place generous amounts of high quality, white lithium
grease (Part No. 117773) in each side of the gun
front housing and on the side block seals.
Section 3 - General Information: Maintenance
r_gcp3ra_313266_1_6e
•
Use correct size drill bit to clean out the mixing
chamber exit passage. Use correct size drill bit to
clean the inlet side holes of the mixing chamber tak-
ing care not to scratch the mixing chamber's polished
surfaces. (Refer to the drill chart in this manual.)
•
Re-assemble the side blocks and tighten the screws.
Grease should appear at the tip of the mixing cham-
ber.
DO NOT open the air valve because this will purge
grease from the Gun. The grease should be allowed
to remain in the gun overnight.
17
r_gcp3ra_313266_1_6e
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