INSTRUMENTS
MOTOR TRUCK SERVICE MANUAL
Fig. 25. Checking Fuel Level Gauge System Components
Fig. 26. Oil Temperature Gauge
The oil temperature Gauge is of the air core type.
indicates the oil temperature. The thermister is merely a
The air core gauge consists of three (3) copper wire coils
variable resistor. Its resistance depends upon the
that are wound around a plastic bobbin containing a
temperature to which it is exposed. When it is cold
magnet. Attached to the magnet is a spindle and pointer
assembly which
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