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Sureshot® Dual Chamber Locking Arm Reversal Procedure

  1. Using snap ring pliers to remove retainer ring located in front of the locking arm assembly on  eccentric plug shaft.(Figure 1)


  2. Remove spring loaded button by sliding locking arm assembly off eccentric plug shaft. (Figure 2)


  3. Install locking arm assembly on eccentric plug shaft. Press the locking arm assembly back against the packing gland to expose groove for retaining ring. Reinstall O.D. snap ring to hold locking arm assembly on the eccentric plug shaft (Figure 3)
    Note: Using the operating wrench rotate the eccentric plug in the upstream direction to the open position to insure that the locking arm is properly orientated during installation.
Figure 1
Figure 2
Figure 2


TMCO has strengthened the advantages of orifice metering by implementing features that improve the performance of your meter runs, simplify your operations, reduce maintenance costs and keep your people safe in the field.

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