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3.
Test the circuit breaker.
NOTE: Make sure the circuit breaker is cool and
pressed in before testing it.
3a. Disconnect the two wires from the circuit
breaker. See Figure 2.26.
Figure 2.26
3b. Attach a DVOM to the circuit breaker. Set
the meter to the Ohms or "Ω" scale
should read zero or near zero Ohms.
See Figure 2.27.
Figure 2.27
3c. If the meter reads anything over 0.1 Ohms,
replace the circuit breaker.
4.
Test the diode.
NOTE: There is a diode between the charger
jack and the circuit breaker. It has two jobs. First
it protects the batteries from a short in the
charger jack, like a child inserting something into
the charger jack. Secondly it helps to protect the
charger from a back-feed when the mower is
operated
See Figure 2.28.
Circuit
Charger
breaker
jack
.
It
CAUTION: Do not operate the mower with the
charger plugged in.
NOTE: An open diode will prevent the batteries
from charging. A shorted diode could allow the
batteries to short out or damage the charger.
4a.
13
ELECTRICAL SYSTEM
with
the
charger
Diode
Figure 2.28
When testing the diode, make sure the
charger or any thing else is not plugged
into the charger jack.
plugged
in.
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