Emerson EIM 2000 Series - MDPI and POT; Potentiometer Only; Gear System to Field Mount MDPI

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Installation and Maintenance Manual
E2K-401-0817 Rev. 1 August 2017
MDPI and Potentiometer Gear Box P/N 1030
6.4 MDPI and POT
Move valve to Close position. Manually rotate MDPI arrow to indicate Close. Calibration is
complete. Open valve to check that MDPI arrow goes to Open, indicating that N is correct
for full valve travel. Potentiometer, if included, has also been calibrated. Mechanical dial
travel is 270°. Approximately 5% of total resistance is left on each end of Pot for total valve
travel. 10-Turn Pot is driven 8.89 turns; 5% resistance of element is left on each end of Pot
for total travel. This may be adjusted to a specic minimum resistance value at Open or
Close by using a screwdriver in slot on 10 turn pot.
6.5 Potentiometer Only
Potentiometer shaft is rotated by grasping ats of P/N 1031 slip-clutch and turning to
desired resistance. 1-turn Pot is rotated 270° by P/N 1030 gear box.
6.6 Gear System to Field Mount MDPI
1. Remove (3) P/N 7078 mounting screws holding P/N 4106 Instruction Plate to Limit
Switch Modules.
2. Using same (3) P/N 7078 screws, attach P/N 4118 MDPI Adapter to top of Limit
Switch Modules.
3. Insert MDPI Input Shaft, (P/N 9052-) making sure blade drops into slot.
Input Shaft is different length for combination of limit switches and gear boxes.
— 3 gear-2 switch uses P/N 9052-5 (0.8")
— 3 gear-4 switch uses P/N 9052-1 (1.8")
— 3 gear-5 switch uses P/N 9052-2 (2.3")
Figure 14
P/N 9052-
P/N 4118
P/N 707
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Section 6: MDPI and Potentiometer Gear Box P/N 1030