User Manual

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Landis+Gyr Chapter 6 - American Mini Switch Kit Installation
Installation Guide 98-1135 Rev AA 43
Figure 6 - 9. Top View - Dual Set Screw Pulse Wheel With Screws Backed Out
Figure 6 - 10. Bottom View - Dual Set Screw Pulse Wheel
2. Position the Dual Set Screw pulse wheel over the plastic index proving/test pointer as shown in
the following figures. The bottom of the pulse 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” thick clear shim beneath the pulse wheel. (An orange colored shim is shown for
illustrative purposes to stand out clearly against the index surface)
4. Position the index facing upward on a work surface or in the palm of your hand so that the main
drive shaft points away from contact with all surfaces as shown in the following figures.
5. Gently press the wheel against the shim with your index finger or thumb. The pulse wheel must
be level with the surface of the index.
6. Evenly tighten each screw to 1.20 ± 0.10 in-lb.
U WARNING: The main index drive shaft must remain free to rotate as the wheel screws are
tightened to prevent damage to the index pointer and pointer shaft
Figure 6 - 11. Tighten Pulse Wheel Screws to 1.20 inch-pounds (± 0.10 inch-pound)
U WARNING: Take care not to over-tighten the set screws to avoid damaging the index pointer
and pulse wheel. The installed pulse wheel shall not move from the installed position, and