Jacobsen Eclipse 322

4
4222983 Second Edition 4-1
Chapter 4
Electrical
Specifications ................................................................. 4-4
Test and Adjustment Specifications ........................................... 4-4
Repair Specifications ....................................................... 4-4
Component Location ........................................................... 4-5
J79 Interface Connector Location ............................................. 4-7
Main Harness Splice Identification and Locations ................................. 4-8
Theory and Diagnostic Information ............................................... 4-9
Electrical Component Symbols ............................................... 4-9
Electrical Schematic Component Identification .................................. 4-12
Reel Motor Connector Pin Locations .......................................... 4-14
Electrical Schematic ...................................................... 4-15
Theory of Operation and Sub-Circuit Schematics .................................. 4-28
Horn and Work Light Circuit—Theory of Operation ............................... 4-28
Horn and Work Light Circuit Schematic ....................................... 4-29
Diesel Engine Circuit—Theory of Operation .................................... 4-31
Diesel Engine Circuit Schematic ............................................. 4-33
Gasoline Engine Circuit—Theory of Operation .................................. 4-37
Gasoline Engine Circuit Schematic ........................................... 4-38
Raise/Lower Circuit—Theory of Operation ..................................... 4-41
Raise Circuit Schematic ................................................... 4-43
Lower Circuit Schematic ................................................... 4-46
Mow Circuit—Theory of Operation ........................................... 4-49
Mow Circuit Schematic .................................................... 4-51
Traction Circuit—Theory of Operation ......................................... 4-55
Traction Circuit Schematic ................................................. 4-57
Steering Circuit—Theory of Operation ........................................ 4-63
Steering Circuit Schematic ................................................. 4-65
Genset Circuit—Theory of Operation ......................................... 4-68
Genset Circuit Schematic .................................................. 4-69