Pressure Relief Procedure - Graco XM Installation-Parts

Pressure Relief Procedure

Pressure Relief Procedure
Follow Flush Mixed Material procedure prior to reliev-
ing pressure.
Follow Pressure Relief Procedure when you stop
spraying or dispensing; and before cleaning, checking,
servicing, or transporting equipment.
Relieve A and B Fluid Pressure
1. Engage trigger lock.
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.
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.
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8. Engage trigger lock.
Relieve Pump Fluid Pressure and Flush Mix
Hose
9. Close mix manifold valves (AH, AJ), then open sol-
vent flush valve (AK) on mix manifold.
AH
10. Open solvent flush ball valve (CB). Use lowest pres-
sure needed to flush material out of hose.
CB
11. Disengage trigger lock.
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AK
AJ
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