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OPERATION
6.3
SPRAYING
Refer to the safety information in the beginning
of this manual for injury prevention guidelines.
Refer to the safety and operation instructions of
the gun manual.
1. Engage the trigger safety (refer to the spray gun instruction
manual).
2. Make sure the valves A / B on the coupling block are closed.
3. Reattach the coupling block (with hoses attached) to the
spray gun.
4. Connect the end of the air hose that is closest to the
pump to an air supply (the air hose is housed within the
velco sheathing that also contains the dual heated hoses).
Connect the other end of the air hose to the spray gun.
Make sure the air valve on the air hose (if any) is open.
5. Make sure the PRIME/SPRAY valves on the component
pumps are set to SPRAY.
6. Verify that the temperature readings are showing the
desired temperatures.
7. Verify pressure readings:
a. Check pressure gauges mounted on the front of the
system, or
b. For each component pump, go to the Control Display
Main Screen on the control panel.
The pressures shown on either the gauges or the
i
Control Display Screens should be within 200
PSI. If pressure is unbalanced, unlink the pumps,
and then adjust the pressure to desired balanced
pressure. Once pressure is balanced, re-link the
pumps.
8. Open the coupling block valves A and B on the spray gun.
NEVER open the manifold valves on the coupling
block or trigger the spray gun if the pressure
readings are unbalanced.
Attention
9. Disengage the trigger safety (refer to the spray gun
instruction manual).
10. Test your spray on a piece of scrap wood or cardboard.
Adjust pressure and temperatures as necessary to achieve
desired results.
24
Always close the manifold valves if the system is
idle for more than 1 minute under heat and/or
pressure. Failure to do so can cause a pressure
Attention
imbalance which can then lead to a material
"crossover" inside the gun, leaving the gun
inoperable.
Make sure the Component Pump pressures are
balanced prior to opening the manifold valves
and resuming spraying.
6.4
PRESSURE RELIEF PROCEDURE
Perform the Pressure Relief Procedure when
shutting down for any reason.
1. Engage the trigger safety (refer to the spray gun instruction
manual).
2. Close the manifold valves A and B on the spray gun.
3. Perform all of these steps on both component pumps:
a. Turn the pressure control knob fully counterclockwise to
minimum.
b. Turn the PRIME/SPRAY knob to PRIME.
4. Disconnect the spray gun air supply line.
HELIX
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