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Maintenance
6 308613E
Maintenance
Clean Dispensing Valve and
System Daily
An important part of the care and maintenance of your
automatic dispensing valve is proper flushing. Flush the
valve daily with a compatible solvent until all traces of
fluid are removed from the valve passages. Perform
Pressure Relief Procedure, page 5 before flushing.
Clean the outside surfaces of the valve by wiping with a
soft cloth dampened with a compatible solvent.
To remove a hardened particle from the orifice, blow air
through the orifice from the front.
Oil Dispensing Valve Daily
Before each use, lubricate with a spray of oil inside the
protection tube (13) to prevent fluid buildup on these
parts. Any buildup could damage the valve packings
(16, 17, 18).
Service
Needle, Seat and Packings
To clean or replace the needle, its seat or packings (16,
17, 18), proceed as follows:
1. Perform Pressure Relief Procedure, page 5.
2. Remove valve housing:
a. Remove cap and spring.
b. Loosen nut.
c. Pull down housing and needle assembly to
expose needle shaft.
d. Slide needle through air piston to remove.
3. Remove RAC guard.
NOTICE
Be sure that the solvent you use is compatible with the
fluid being dispensed to avoid clogging the fluid pas-
sages in the valve.
NOTICE
Never immerse the entire dispensing valve in solvent.
Immersing in solvent removes lubricants and can
damage packings.
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