Pressure Relief Procedure - Graco XM Series Installation-Parts

Pressure Relief Procedure

Pressure Relief Procedure
Follow the Pressure Relief Procedure
whenever you see this symbol.
Follow the Flush Mixed Material procedure prior to
relieving pressure. This equipment stays pressurized
until pressure is manually relieved. To help prevent
serious injury from pressurized fluid, such as skin
injection, splashing fluid and moving parts, follow the
Pressure Relief Procedure when you stop spraying
and before cleaning, checking, or servicing the
equipment.
Relieve A and B Fluid Pressure
1. Engage trigger lock.
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2. Press Stop .
3. If fluid heaters are used, shut them off.
4. Shut off feed pumps, if used. .
5. Remove spray tip and clean.
6. Disengage trigger lock.
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7. Hold a metal part of the gun firmly to a grounded
metal pail with a splash guard in place. Trigger gun
to relieve pressure in material hoses.
8. Engage trigger lock.
Relieve Pump Fluid Pressure and Flush Mix
Hose
9. Close mix manifold valves (AH, AJ), then open
solvent flush valve (AK) on mix manifold.
AH
10. Open solvent flush ball valve (CB). Use lowest
pressure needed to flush material out of hose.
CB
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AK
AJ
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