312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control – V2 – Power Circuit

The power circuit supplies electrical power to the electrical components of the machine. The components that are included are listed: the battery, the disconnect switch, breaker for the alternator and main relay.




Illustration 1 g00776416

Schematic Of The Power Circuit For The 312C, 315C, and 318C

(1) Batteries

(2) Circuit breaker for alternator

(3) Alternator

(4) Fuse panel

(5) Timer relay

(6) Start switch

(7) Fuse panel

(8) Main relay



Illustration 2 g00695637

Schematic Of The Power Circuit For The 319C, 320C and 321C

(1) Batteries

(2) Circuit breaker for alternator

(3) Alternator

(4) Fuse panel

(5) Timer relay

(6) Start switch

(7) Fuse panel

(8) Main relay



Illustration 3 g00776419

Schematic Of The Power Circuit For The 322C

(1) Batteries

(2) Circuit breaker for alternator

(3) Alternator

(4) Fuse panel

(5) Timer relay

(6) Start switch

(7) Fuse panel

(8) Main relay



Illustration 4 g00824683

Schematic Of The Power Circuit For The 325C And 330C

(2) Batteries

(3) Circuit breaker for alternator

(5) Main Relay

(19) Starter Switch

(31) Alternator

(32) Fuse Panel

(33) Fuse Panel