User Manual

Table Of Contents
Chapter 6 - Sprague GPR Index Cover & GPR Install Landis+Gyr
74 98-1135 Rev AB Installation Guide
8. Install the index onto the meter using the original screws that were placed aside in the first step
of this process. If the index has a brass mounting bracket, tighten the index screws to a torque
value of 6 - 12 inch-pounds. If the index uses a plastic mounting bracket, tighten the index
screws to a torque value of 15 - 20 inch-pounds.
A CAUTION: Use caution when tightening the index screws to prevent damage to the index.
9. Confirm that the index’s center of rotation is aligned with the meter dog’s center of rotation.
Adjust the index alignment as needed. The magnet wheel center of rotation must be aligned
with the meter index drive mechanism center of rotation, shown by RED ARROWS in the
following photos.
Figure 6 - 12. Wheel Center Of Rotation Must Align With Meter Drive Center Of Rotation
Installing Balanced Dial Wheels on Plastic Pointer Indexes
1. Using a small flat blade screw driver, turn each screw counter-clockwise until the tip of each
screw is flush with the inner surface of the wheel.
Figure 6 - 13. Top View - Balanced Dial Wheel
Figure 6 - 14. Bottom View - Balanced Dial Wheel
2. Position the Balanced dial wheel over the plastic index proving/test pointer as shown in the
following figures. The bottom of the dial wheel is slotted so that it may only be installed with the
slot in the same direction as the index pointer.
3. Insert the 0.030 inch thick shim beneath the dial wheel.