New Holland LS140 Workshop Manual page 582

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Electric Solenoid

The following tests should be performed with the

motor removed from the starter assembly.

Each test should not last more than 3 - 5 seconds to

avoid overheating the solenoid.

Tests should be performed with a fully charged

12 volt battery.

Pull-in Test

Connect a lead from the positive battery post to the

spade terminal, 1, (starter switch wire) on the

solenoid. Connect a lead from the battery negative

post to the solenoid housing, 2.

Touch a second negative lead to the heavy solenoid

terminal leading to the field coil, 3. This completes the

circuit through both the pull-in and hold-in coil

windings. The pinion should jump forward.

Remove the negative lead from the field coil terminal,

3. The pinion should stay extended, held by the

hold-in coil.

Remove the positive lead from the spade terminal.

The pinion should retract immediately.

If the solenoid fails to perform as described, replace

SECTION 55 - ELECTRICAL SYSTEM

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