10 308-262
Operation
Pressure Relief Procedure
WARNING
INJECTION
HAZARD
Fluid under high pressure can be in
-
jected through the skin and cause seri
-
ous injury
. T
o reduce the risk of an injury
from injection, splashing fluid, or moving parts, fol
-
low the
Pressure Relief Procedure
whenever you
Are instructed to relieve the pressure
Stop dispensing
Check or service any of the system equipment
Install or clean the spray tips/nozzles
1.
Close the pump air regulator
.
2.
Close the bleed-type master air valve (required in
your system).
3.
Hold a metal part of the dispensing valve firmly to
the side of a metal waste container
, and trigger the
valve to relieve fluid pressure.
If you suspect that the spray tip or hose is completely
clogged, or that pressure has not been fully relieved
after following the steps above,
very slowly
loosen the
tip guard retaining nut or hose end coupling and relieve
pressure gradually
, then loosen completely; then clear
the tip or hose.
Flushing
The pump is tested with lightweight oil, which is left in
to protect the pump parts. If the fluid you are using
may be contaminated by the oil, flush it out with a
compatible solvent before using the pump.
WARNING
For your safety
, read the warning section
FIRE AND EXPLOSION HAZARD
on
page 4 before flushing, and follow all
the recommendations given there.
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