Solinst 101 Replacement Manual

Tools and Materials Needed
1. Required Repair Kit
2. Phillips Screwdriver
3. Small Flat Screwdriver (3 mm (1/10")
4. 10 mm (3/8") Wrench
5. Pliers
6. Wire Cutters
7. Wire Strippers
8. Solder Wire with Flux
9. Soldering Iron
Note: These instructions explain how to replace each electronic
component either all at once or separately as required.
Replacing all Electronics
Complete Electronics Kit (#103558) Includes:
• Mk2 Circuit Board Assembly (with push-release fittings)
– Wiring, Sensitivity Switch and Knob, and Test Button
• Red LED Indicator Light with Terminals
• Sonalert
• Battery Tray, 4 x Screws, 2 x Nuts
• 9V Alkaline battery
Complete Electronics Kit (#103558)
1. Remove the battery from the meter. Undo the three screws
holding the faceplate to the reel. Remove the faceplate.
2. If this is an Mk1 Water Level Meter, disconnect the Molex
connector that connects the circuit board to the tape. If
this is an Mk2 Water Level Meter, press down on the white
terminals of the push-release fittings on the circuit board
and pull out to remove the tape leads.
3. From the front of the faceplate, use the wrench to unscrew
the nut holding the test button and push the button back
out of the faceplate.
4. Cut the red and black wires connected to the light, and
push the light out through the front of the faceplate.
5. Use the Phillips screwdriver to undo the two screws from
the battery tray. If this is an Mk1 Water Level Meter, cut
the red and black wires from the battery tray.
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Water Level Meter Complete Electronics Replacement
High Quality Groundwater and Surface Water Monitoring Instrumentation
Sonalert
Sensitivity
Switch
Back of Mk2 Water Level Meter Faceplate
(with push-release fittings)
Sensitivity
Switch
Battery
Tray
Back of Mk1 Water Level Meter Faceplate
If this is an Mk2 Water Level Meter, simply pull the quick-
connect fittings off of the terminals on the battery tray.
Remove the battery tray from the faceplate.
6. Use the small flat screwdriver to unscrew the small brass
screw on the side of the sensitivity knob. Remove the
sensitivity knob. Use the pliers to unscrew the nut holding
the sensitivity switch and remove the switch from the
faceplate.
7. Unscrew the Sonalert retaining ring from the front of the
faceplate and remove the old Sonalert and circuit board
assembly from the faceplate.
Model 101/102
Push-Release
Fittings
Test Button
Light
Battery
Tray
Molex
Connector
Sonalert
Light
Test Button