Magnum Venus Plastech Flex Molding Process IVx3 MODULE 8018 - Manual (Page 20)

Vacuum Valve Service Module Manual
Rev. 10/2012 Page | 20
Isolation Channel
Actuator Testing:
1. Connect the Purge output on the top of the Service Module to the purge signal port
on the IVX3.
2. Connect the Inject output on the top of the Service Module to the inject signal port
on the IVX3.
3. Operate the switch on the Service Module and put the valve in the Inject position.
Ensure the actuator shaft assembly moves freely through its full range of travel and
that the top of the shaft is visible in the upper slot of the Top Bush (6982).
4. Move the switch on the Service Module to the center to exhaust the air from the Inject
port. Ensure the IVX3 shaft assembly moves freely back to the un-actuated position.
5. Operate the switch on the Service Module and put the valve in the Purge position.
Ensure the actuator shaft assembly moves freely through its full range of travel and
that the top of the shaft is visible only in the lower slot of the Top Bush (6982).
6. Move the switch on the Service Module to the center to exhaust the air from the Inject
port. Ensure the IVX3 shaft assembly moves freely back to the un-actuated position.
7. Carry out steps 3-6 a number of times to ensure correct operation.
8. Put the IVX3 into the Purge position and then squirt some soapy water around the
Top Bush (6982) to check for air leaks.
9. With the Fluid section of the valve removed: Put the IVX3 into the Inject
position and then squirt some soapy water around the Bottom Bush (6983) to
check for air leaks.
9a. With the Fluid section installed: Put the IVX3 into the Inject position and then
squirt some soapy water around the Isolation Channel as shown in the image below.
10. If there are any noticeable leaks, check for and remedy any of the following:
a. Bush is tightened and thread locker applied.
b. O-Ring is in good condition.
c. Bush is in good condition.
d. Actuator shaft is not damaged (scored etc.).