Thermo Unit; Water Temperature Indicator Light - TGB 525 Service Manual

Thermo unit

Remove the thermo unit.
Hang the thermo unit in an oil heater, heat the oil
and measure the resistance at each temperature.
Temperature 50°C
Standard (Ω)
Caution
● Wear gloves and goggles when performing
this test.
Caution
● Engine oil should be used as a heating
medium as the test temperature must be
higher than 100℃.
● Contacting the container wall by the
thermometer and the thermo unit may result in
wrong readings.

Water Temperature Indicator Light

Disconnect the water temperature meter and
connect it to engine ground.
Turn on the main switch.
The indicator light of the fuel meter should be
lighting.
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80°C 100°C
134~149 47.5~57.0 26~29 14.8~17.2
17. ELECTRICAL SYSTEM
Thermo unit
120°C
Thermo unit
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