Subaru Robin Power Products RG2800I - Manual (Page 24)

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(5) DC CIRCUIT BREAKER
Check that there is continuity between the two terminals
of DC circuit breaker when its push button is pressed.
(6) FLOAT TYPE OIL SENSOR
Check the oil sensor when it is installed on the engine.
Check that sufficient engine oil is filled in the crankcase.
Check that there is continuity between the lead wire of
oil sensor and the ground (engine crankcase) when the
oil level is above the minimum level mark of oil gauge.
Check that there is no continuity as above when the oil
level is below the minimum level mark of oil gauge.
Oil sensor