Flowserve 3400MD Digital Positioner - Manual (Page 40)

Logix 3400MD Digital Positioner FCD LGENIM3404-08-AQ –5/15
40
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8.3 Checking or Setting Internal
Regulator Pressure
To check or set the internal regulator pressure, refer to Figure 17
and proceed as outlined below. The tools and equipment used in the
next procedure are from indicated vendors. The following tools are
required:
• Calibrated pressure gauge (0 to 30 psi)
•
1 ⁄
16
” flexible tubing
• Barbed tee (Clippard Minimatic part number T22-2 or equivalent)
•
3 ⁄
32
” Allen wrench
• 3 ⁄
8
” open-end wrench
c DANGER: Observe precautions for handling electrostatically
sensitive devices.
Figure 19: Stem Position
Sensor Orientation
Figure 18: Spool Valve
Cover Assembly
1. Make sure the valve is bypassed or in a safe condition.
2. Remove the main cover.
3. Remove the plastic board cover by removing the three retaining
screws.
4. Remove the 1⁄16” flexible tubing from the barbed fitting on the
side of the driver module.
5. Obtain a barbed tee and two pieces of 1⁄16” flexible tubing, a few
inches in length each.