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Pressure Relief Procedures
3A1696C 7
Pressure Relief Procedures
RPS 2900 Pump Fluid Pressure Relief
1. Set hydraulic valve to OFF position.
2. Run engine at half throttle.
3. Place empty pail under paint guns to catch drain-
age.
4. Relieve hose pressure through guns. Use Program-
mable Skipline Controller to trigger each gun for at
least 3 seconds each.
NOTE: Always relieve pressure with the guns--not
with the filter drain valves.
5. Close paint gun ball valves.
6. Open all drain valves, one at a time.
7. Close valves immediately to prevent paint from dry-
ing in system.
8. Shut off engine.
NOTE: If you suspect that the spray gun or hose is com-
pletely clogged, or that pressure has not been fully
relieved after following the steps above, very slowly
loosen the hose end coupling, and relieve pressure
gradually. Then loosen it completely. Then clear the
valve or hose.
Bead System Pressure Relief
1. Relieve air pressure in bead tank by turning bead
system valve to OFF position.
Air System Pressure Relief
1. Relieve air pressure in air tank by turning air valve
to OPEN position.
INJECTION HAZARD
The system pressure must be manually relieved to pre-
vent the system from starting or spraying accidentally.
Fluid under high pressure can be injected through the
skin and cause serious injury. To reduce the risk of an
injury from injection, splashing fluid, or moving parts,
follow the Pressure Relief Procedure whenever you:
• are instructed to relieve the pressure
• stop spraying
• check or service any of the system equipment
• install or clean the spray tip
FIRE AND EXPLOSION HAZARD
When Flushing system, always connect grounding
cord.
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