New Holland LS140 Workshop Manual page 141

Op. 55 414 12
OIL PRESSURE SWITCH
The oil pressure switch is a normally closed switch
completing a circuit to ground signaling the EIC to
generate a low engine oil pressure warning signal.
The pressure switch operates in a range of 0.2 - 0.4
bar (2.8 - 5.7 PSI). At engine start up, when oil
pressure rises sufficiently, the switch opens, turning
out the low pressure signal.
Op. 10 223 10
FUEL SHUT-OFF SOLENOID
The fuel shut off solenoid is a normally extended
solenoid. In this state the plunger rests against the
injection pump rack, holding it in the shut-off position.
Applying current to the terminal causes the plunger
to withdraw into the solenoid body allowing the fuel
control rack to move to the operating position.
The solenoid may be bench tested by applying
positive battery voltage to the terminal and grounding
the solenoid body. The plunger should retract.
SECTION 10 - ENGINE
10-106
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