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7307013
Operation
Pressure Relief Procedure
WARNING
INJECTION HAZARD
Fluid under high pressure can be in-
jected through the skin and cause
serious injury. To reduce the risk of an
injury from injection, splashing fluid, or moving
parts, follow the Pressure Relief Procedure
whenever you:
D are instructed to relieve the pressure,
D stop spraying,
D check or service any of the system equipment,
D or install or clean any part of the system.
1. Lock the spray gun/dispensing valve trigger safety.
2. Shut off the air to the pump.
3. Close the bleed-type master air valve (required in
your system).
4. Unlock the trigger safety.
5. Hold a metal part of the gun/valve firmly to the side
of a grounded metal pail, and trigger the gun/valve
to relieve pressure.
6. Lock the trigger safety.
7. Open the drain valve (required in your system),
having a container ready to catch the drainage.
8. Leave the drain valve open until you are ready to
spray again.
If you suspect that the spray tip/nozzle is completely
clogged, or that pressure has not been fully relieved
after following the steps above, very slowly loosen the
retaining nut or hose end coupling and relieve pressure
gradually, then loosen completely. Now clear the
tip/nozzle or hose.