Flowserve StarPac 3 - Manual (Page 35)

35
StarPac Intelligent Control System FCD VLENIM0066-05 04/14
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27. Install two spool-valve screws and tighten securely with a Phillips screwdriver (See Figure 15).
28. Slide the spool valve cover assembly over the spool valve until the tang engages in the housing slot. Install
spool valve cover screw and tighten securely (see Figure 14).
29. Re-install the main PCB assembly following the instructions found in section 14.15 of this manual.
30. Re-install the keypad. Insert the two retaining screws and tighten evenly, using a Phillips a screwdriver. Do
not over-tighten.
31. Reconnect power and air supply to the positioner and perform a stroke calibration. Refer to the Calibration
section of the StarPac 3 User Interface Manual.
32. Reinstall all covers.
14.9 Regulator Replacement
The Regulator reduces the pressure of the incoming supply air to a level that the driver module can use.
To replace the regulator, refer to Figure 24 and proceed as outlined below. The following tools are required:
• Phillips screwdriver
• 1/4” nutdriver
WARNING: Observe precautions for handling electrostatically sensitive devices.
1. Make sure valve is bypassed or in a safe condition.
2. Disconnect the power and air supply to the unit.
3. Remove the main cover.
4. Remove the two keypad retaining screws. Carefully pull the keypad away from the main PCB board. Unplug
the keypad ribbon cable from the main PCB board and remove the keypad.
5. Remove the main PCB assembly by following the instructions in section 14.15 of this manual.
6. Remove the four screws from the regulator base. Verify that as the regulator is removed, the O-ring and filter
remain in the counterbore (see Figure 20).
7. Remove tubing and barbed fitting from the regulator base.
8. Install barbed fitting and tubing to the new regulator.
9. Verify that the O-ring and filter are in the counterbore. Install new regulator using 8-32 x 1/2” screws.
10. Install the main PCB assembly into the housing by following the instructions in 14.15 of this manual.
11. Reinstall the keypad. Insert the two retaining screws. Do not over-tighten.
12. Reinstall all covers.
14.10 Checking or Setting Internal Regulator Pressure
To check or set the internal regulator pressure, refer to Figure 16 and proceed as outlined below. The tools and equip-
ment used in the next procedure are from indicated vendors. The following tools are required:
STOP!