Description 4
1-October-2013 United Kingdom Operations Manual
Page 4 - 6 TA9 & 10 Tier 4
4.8 Circuit Breakers & Audible Warning
These components are fitted on the dash box; Figure 4.5 refers.
Figure 4.5. - Circuit Breakers and Audible Warning
1. Audible Warning
2. Circuit Breakers
(1) Circuit Breakers
The circuit breakers are located on the left hand side of the dash box. A 20 amp circuit breaker
is fitted protecting the engine electrical system. On machines with highway lighting a second 30
amp circuit breaker is fitted.
In the event of a fault occurring the circuit breaker will trip out, this being indicated by the button
of the circuit breaker protruding out beyond its normal position.
Should a breaker trip out the reason for the overload must be investigated and the components
at fault replaced or repaired.
Once the repair has been completed the circuit breaker should be reset by pressing the button
until it locks in position thus restoring the electrical supply.
(2) Audible Warning
The Audible Warning will sound if the parking brake is ON and the starter switch is turned on and
in the RUN position and a gear is selected. As soon as the parking brake is released the warning
will go off.
The warning will also sound when the engine is running and the following faults occur:
• Transmission oil temperature exceeds a predetermined level.
• Coolant temperature exceeds a predetermined level.
• Low coolant level.
If buzzer sounds when engine is running - STOP THE ENGINE IMMEDIATELY and investigate
the fault.
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