Pressure Relief Procedure - Graco GX-7A Operation, Parts, Service, Repair

Pressure Relief Procedure

Relieve pressure before cleaning or repairing
gun.
1. Close both manual valves.
Manual Valves
F . 19: Close Manual Valves
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2. Set safety stop to OPEN.
3. Trigger gun onto cardboard or into waste
container to relieve pressure.
F . 20: Trigger Gun
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311321N
4. Release gun trigger, set safety stop to
CLOSED, and close manual valves.
If fluid in hose and proportioner is still under
pressure, follow Pressure Relief Procedure in
proportioner manual
To relieve pressure in hose after gun is
removed, place fluid manifold over containers,
facing away from you. Very carefully open fluid
valves. Under high pressure, fluid will spray
sideways from fluid ports. See F
F . 21: Open Manual Valves
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Pressure Relief Procedure
. 21.
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TI2484a
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