Pressure Relief Procedure - Graco XM Series Repair Parts

Pressure Relief Procedure

Follow the Pressure Relief Procedure
whenever you see this symbol.
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 this 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 .
3. If fluid heaters are used, use Primary Heater
Switches (BC) on the junction box to turn them off.
.
4. If the feed pumps are being used, shut them off by
closing the feed pump air regulator and the feed
pump air valve.
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5. Disengage trigger lock.
6. 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.
7. Engage trigger lock.
8. Close mix manifold valves (AH, AJ).
NOTICE
To prevent material from curing in the fluid lines and
causing damage to the equipment, always flush the
mix hose after relieving A and B fluid pressure
through the mix manifold. Follow the Flush Mixed
Manifold, Hose, and Spray Gun, page 18i, when
you stop spraying or dispensing, and before
cleaning, checking, servicing, or transporting
equipment.
Pressure Relief Procedure
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