Pump Stroke Counter
User’s Manual – 2100, Rev D | Aug 2014
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Note: If the piston can not be accessed, you may have to remove the secondary cover to
manually move the piston forward so you can complete the bracket installation.
Step 4
Prior to installing the HDI Proximity All thread stem (stainless threaded rod) into the
inspection plate, you will need to measure the internal clearance from the magnet to the
outer edge of the pump frame. You will then proceed to thread the stem into the inspection
plate and ensure that you have a maximum ¾” gap between the magnet and all thread.
This measurement needs to be verified to ensure they do not collide inside once the pump is
re-assembled. Once you are certain the measurements are correct, install the washers and
nuts on the stem so the pump vibration does not cause the stem to become loose and create
potential damage.
Step 5
Install the Inspection plate back on to the pump and route the cable lead that is
attached to the stem to the appropriate designated jbox location for termination. The
configuration provided for this project is a Dual pick up sensor with a set on Black / White,
the secondary signals on Red / Green.
Step 6
Repeat above steps until all the pumps are completed.
Sample Wirth 2200 Installation of Proximity Sensor w/ bracket
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