SB300 PVA
Operation
4.
NOTE: Refer to Section 6 for part reference numbers. All part numbers refer to
the NPT version of the valve (drawing 112-07519) unless otherwise specified.
NOTE: Use only compatible solvents and materials or the seals and O-rings will
be damaged.
Operation Notes:
The sections that follow are in the recommended order to operate the valve. To operate
the valve, do every sub-section in Section 4, in the order shown.
1.
Set the operating air pressure to 60-100 psi.
2.
Cycle the valve. Make sure the piston can be heard going up and down.
3.
Make sure the fluid delivery system is correctly connected and pressurized as
necessary.
Bleed the Valve
4.1
1.
Use the purge button on the teach pendant to purge the valve. Push the purge
button through step 4.
2.
As material dispenses, turn the stroke adjust clockwise until it is fully engaged.
3.
Then, turn the stroke-adjust counterclockwise to loosen it until the material
dispenses without any breaks in the flow of material.
4.
Release the purge button.
NOTE: If the material has drips or strings after dispensing there is still air in
the valve and it must be bled again.
5.
After the valve has been correctly bled, continue with normal operation.
NOTE: If the stroke adjust is down too far, the valve will not close and the valve
will continue to dispense or leak.
Adjust Snuff Back
4.2
Snuff back stops material from dispensing after the valve closes. The stroke adjust (9) is
used to change snuff back. The snuff back setting will be different for each dispense
procedure, the steps below are for a general setting. It may be necessary to continue to
adjust snuff back to get the correct results for your procedure.
1.
To set or reset your snuff back, turn the stroke adjust (9) clockwise until it is
fully engaged.
REVISION A (2014)
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