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Pressure Relief Procedure
3A2573D 5
Pressure Relief Procedure
Follow the Pressure Relief Procedure whenever
you see this symbol.
Relieve A and B Fluid Pressure
1. Engage the trigger lock.
2. Close the main air shutoff valve (CA) on your pro-
portioner pump or 1K sprayer.
3. Shut off heaters, if used.
4. Shut off feed pumps, if used.
5. Open gun #1 and gun #2 material shutoff valves (A,
F).
6. Remove the spray tip and clean.
7. Disengage the trigger lock.
8. Hold a metal part of the gun firmly to a grounded
metal pail. Trigger the gun to relieve pressure.
9. Engage the trigger lock.
10. If you are using a XP Sprayer, close the dual shutoff
handle (AE) and open the circulation handle (AC).
11. Always flush the mix hose after relieving A and B
fluid pressure through the mix manifold. See Flush
Mixed Material instructions in XP Sprayer manual.
12. Shutoff the solvent supply pump and repeat steps
6-8 to relieve solvent pressure. Ensure solvent
valves (B, E) are open.
If you are using a XP Sprayer and the mixed material
has already been flushed, but pressure remains on
the A and B pumps, pressure can be relieved back
to the hoppers.
a. Close the main air shutoff valve (CA).
b. Open the circulation handle (AC).
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.
TI1949a
CA
r_571100_3A0420A_11a-1
A - OPEN F - OPEN
TI1950a
TI1953a
AC
AE
r_571101_3A0420A_9a-2
B - OPENE - OPEN