Graco 3A0421A Manual De Usuario
Procedure
3A0421A
3
Procedure
1.
Close the dual shutoff handle (E), sample valve (2),
and solvent valve (C).
and solvent valve (C).
2.
Set proportioner to 50% of spray pressure.
3.
Place waster containers under the hardener and
resin outlets. Open the dual shutoff handle (E). The
hardener pressure will drop.
resin outlets. Open the dual shutoff handle (E). The
hardener pressure will drop.
4.
First time use:
a.
Open the resin sample valve (2) until you have a
typical flow or cycle rate.
b.
Adjust the hardener restrictor stem in clockwise
until the fluid pressure gauges are balanced.
c.
Close the dual shutoff handle (E).
5.
Use after the hardener restrictor stem is pre-set:
a.
Open the resin sample valve (2) until the fluid
pressure gauges are balanced.
b.
Close the dual shutoff handle (E).
6.
Hold graduated or tared containers under the resin
outlet fitting (3) and under the hardener outlet tube.
outlet fitting (3) and under the hardener outlet tube.
Open ratio check valve (2) and shut off handle (E)
and take ratio samples.
and take ratio samples.
7.
Close the dual shutoff handle (E) when you have
enough material. Compare amounts in each con-
tainer; amounts should correspond to desired ratio.
enough material. Compare amounts in each con-
tainer; amounts should correspond to desired ratio.
NOTE: If you know the mix ratio is by weight, weigh
tared containers for a more accurate measure. The
weight ratio will be different than the volume ratio
unless both fluids have the same specific gravity.
tared containers for a more accurate measure. The
weight ratio will be different than the volume ratio
unless both fluids have the same specific gravity.
8.
Close the resin valve (2). This valve can be left in
place for future ratio checks.
place for future ratio checks.
9.
Flush the hardener outlet tube with solvent. See mix
manifold manual for instructions.
manifold manual for instructions.
10. Remove the ratio check plug (4) and o-ring (5) and
save for future ratio checks.
11. Reinstall fitting, static mixer, and hose.
NOTE: The hardener restrictor adjustment should
now be set correctly for spraying mixed material and
taking ratio checks. No further adjustments are
required.
now be set correctly for spraying mixed material and
taking ratio checks. No further adjustments are
required.
NOTICE
To prevent damage to the inlet swivel fittings, use a
wrench on the front of the mix manifold.
wrench on the front of the mix manifold.