Front Socket; Starter Solenoid - Stiga 2021 Edition PARK 320 P Workshop Manual

WORKSHOP MANUAL
9.3.6

Front socket

This socket allows the connection of the electrical users of the work equipment with the electrical
system of the machine.
To check the functioning of the socket:
1. Turn the ignition key in the «ON» position.
2. Set the tester according to the Voltmeter and
insert the test probes into the socket contacts:
the battery voltage value must appear on the
tester display, with a + or – sign, depending on
how the red and black test probes have been
inserted.
If the instrument does not indicate any value, the
plug must be replaced, proceeding as follows.
3. Turn the ignition key in the «OFF» position.
4. Unscrew the two screws (1).
5. Extract the socket (2) and disconnect the two fastons.
9.3.7

Starter solenoid

The starter relay operates on the principle that passing a current of electricity through a coil of wire
will create a magnetic field strong enough to attract a piece of iron or steel. Each device uses this
principle in a slightly different manner.
A basic solenoid or starter relay consists of a coil of wire wound around a hollow tube. A mag-
netic core slides inside the tube. When current is
passed through the coil, the core is pulled into
the solenoid with considerable force. With proper
design, a solenoid can exert considerable force
over a distance of several inches. A solenoid can
therefore, pull a lever, close a heavy contact, or
perform other jobs that require a straight line pull.
If a solenoid fails to operate, the cause may be
either electrical or mechanical.
PARK
Chapter
9 - ELECTRICAL SYSTEM
2
EDITION
2020
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PAGE
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