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Detection circuit*****-* This detects quantity of oil, sufficient or not, according to difference of
electric resistance across inner and outer electrodes.
Delay circuit
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This prevents the sensor from making an unnecessary stop of the engine by
momentary lowering of the
oil
level due
to
the engine being slanted or
affected by vibration in spite of sufficient oil in the crankcase.
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stopping circuit
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* * *
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This automatically stops the engine running.
Also, the LED indicator for warning can be’
lit
while the engine
is
being
stopped. We have the wires
to
be connected to LED available.
5-5-5
CAUTIONS TO
BE
TAKEN ON HANDLING
THE
SENSOR
(1)
Oil sensor unit
0
Be sure not to damage each wire.
Broken or short-circuited power supply wires and/or a grounding wire in particular may lead to
malfunction or breakdown.
(2)
Mounting and wiring of oil sensor unit
0
Although this has been designed to have enough anti-noise properties in practical use, do not route
the sensor wirings in the vicinity of noise-generating sources such
as
ignition plugs or high voltage
cords. This may cause malfunction or breakdown.
”
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Since capacity of power source
is
limited, current flown in the electronic circuit of the sensor is
kept as low as possible.
Be sure to use terminals with a high contact reliability
of
more than that
of
tinned terminals.
(3)
Operation of oil sensor
0
If operating with the engine kept tilted, oil surface inside of the engine varies and the correct oil
level can not to be detected which in turn obstructs the preventing function of engine seizure.
Operate
the
engine by keeping it level.
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When starting the engine with an insufficient oil in the crankcase, engine starts once then
it
stops
automatically after it runs for about
5
seconds.
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When the engine has been stopped by the oil sensor, voltage remained in the electronic circuit
prevents the sensor from being re-started for
3
seconds after the engine stop.
Try
to re-start the engine after
3
seconds or more.
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