Campbell Scientific CS475, CS476, and CS477 Radar Water Level Sensor User Manual
Page 34
CS475, CS476, and CS477 Radar Water Level Sensor
The electronics module is replaced by doing the following steps (see FIGURE
8-1 and TABLE 8-5):
1. Unscrew the housing cap (cap is not shown in FIGURE 8-1).
2. Remove all wires that are attached or plugged into the electronics and note
their location for reassembly.
3. Loosen the two screws securing the electronics to the housing (3 in
FIGURE 8-1). These screws are captive screws and will remain nested
with the electronics.
4. Gently remove the electronics from the housing (4 in FIGURE 8-1).
Some friction is normal when removing the electronics because a
seal is between the electronics and the lower portion of the
housing.
NOTE
5. Replace the electronics with a new module.
Make sure the two (2) screws holding the electronics module in
are tight, but do not over tighten. Over tightening these screws
can strip the threads.
NOTE
6. Tighten the two screws to secure the electronics to the housing (3 in
7. Re-assemble all wires that were originally attached or plugged into the
electronics.
8. Tighten the housing cap.
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