COVER 5I6979 - Caterpillar

Illustration 1 g01353813
Electrical power supply circuit
The components of the electrical power supply circuit are the batteries, the main fuse, the main circuit breaker, the battery disconnect switch and the auxiliary start receptacle.
Illustration 2 g03121856
(1) Batteries
(2) Fuse
Illustration 3 g03325269
(3) Battery disconnect switch
(4) Auxiliary start receptacle
Illustration 4 g03121857
(5) Main circuit breaker Two 12 V batteries (1) are connected in series to supply 24 V power to the machine electrical system. 24 V power is supplied to main fuse (2). Main fuse (2) protects batteries (1) from circuit overload between main fuse (2) and the electric starting motor. Main circuit breaker (5) protects the electrical circuit from circuit overload between main circuit breaker (5) and the circuit breaker panel .The 12 V batteries (1) can be disconnected with battery disconnect switch (3).Auxiliary start receptacle (4) is available to jump-start the machine. When jump cables are connected to auxiliary start receptacle (4) from a 24 V electrical source, the machine may be started.Auxiliary start receptacle (4) may also be used as an auxiliary power outlet source to supply 24 V power to service equipment.