Flowserve LY Series Limitorque - Manual (Page 26)

Limitorque LY Series: LY 1001, LY 2001 and LY 3001 FCD LMENIM1501-00 – 11/11
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Figure 5.13 – Potentiometer Calibration Components
4. If the reading is not correct, proceed to Step 5. If the reading is correct, proceed to Step 6.
5. a. Loosen the small Set Screw that retains the Spur Gear to the Potentiometer Shaft.
b. Using a small flat-tipped screwdriver in the slotted Potentiometer Shaft, rotate the Shaft until
the correct reading is obtained as described in Step 3.
c. Retighten the Set Screw.
6. Disconnect the ohmmeter and reconnect the Potentiometer wiring to the original connection.
Limitorque
PERCENT OPEN
0 50 100
Potentiometer Shaft
Spur Gear
Setscrew
End Connection
Center Connection
Ohmmeter to Pot Leads
Potentiometer
Drive Gear