AD30 Underground Articulated Truck Machine Electrical System Horn Caterpillar


Horn
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AD30 Underground Articulated Truck Machine Electrical System [RENR6921]
ELECTRICAL AND STARTING SYSTEM
HORN GP-ELECTRIC
AD30 Underground Articulated Truck Machine Electrical System Horn



Illustration 1g00999544

Horn circuit

The components of the horn circuit are the horn switch, and the horns.




Illustration 2g00996584

Cab

(1) Horn switch




Illustration 3g00996585

Front view of cab (front cover plate removed)

(2) Horn relay




Illustration 4g01013178

Side view of machine

(3) Horns (obscured)

With the battery disconnect switch in the ON position, 24 volt power is supplied from the batteries via circuit breaker #4 to the horn relay. When horn switch (1) is depressed, horn relay (2) is energized. Power is then supplied to activate horns (3).

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