Diagnostic Repair Manual iv
Table of Contents
Test 43 - Check Start Stop Relay (SSR) ..................58
Test 44 – Test Starter Contactor Relay (SCR) .........59
Test 45 – Check Wire 15 Circuit ...............................59
Test 46 – Check Wire 14 Circuit ...............................59
Test 47 – Check Fuel Shutoff Solenoid (FSS) ..........59
Test 48 – Check Hour Meter .....................................60
Test 49 – Check Wire 15B ........................................60
Test 50 – Check Wire 167 ........................................60
Test 51 – Check Wires 11S & 44S or 11S & 22S .....60
Test 52 – Check Idle Control Switch (SW2) .............61
Test 53 – Check Idle Control Wiring .........................61
Test 54 – Check Idle Control Transformers (ICT) .....62
Test 55 – Check TR1 & TR2 Wiring .........................62
Test 56 – Choke Test ...............................................63
Insulation Resistance ................................................63
The Megohmmeter ...................................................63
Introduction ...........................................................63
Testing Stator Insulation .......................................63
Testing Rotor Insulation ........................................63
Hi-Pot Tester .............................................................64
Stator Insulation Resistance Test .............................64
Testing All Stator Windings To Ground ................64
Test Between Windings ........................................65
Rotor Insulation Resistance Test ..............................65
Cleaning the Generator ............................................65
Drying the Generator ................................................65
Wattage Reference Guide ....................................66
Section 5 Disassembly ..............................................67
Major Disassembly ...................................................67
Section 6 Electrical Data ...........................................75
Introduction ...............................................................75
Wiring Diagram 12.5 & 15 kW
(Units Without Hourmeter) –
Drawing No. 0E0228 .............................................76
Wiring Diagram 12.5 & 15 kW
(Units Without Hourmeter) –
Drawing No. 0E0228 .............................................77
Electrical Schematic 12.5 & 15 kW
(Units Without Hourmeter) –
Drawing No. 0E0229-A ..........................................78
Electrical Schematic 12.5 & 15 kW
(Units Without Hourmeter) –
Drawing No. 0E0229-A ..........................................79
Wiring Diagram 12.5 & 15 kW
(Units With Hourmeter) –
Drawing No. 0D4609-D .........................................80
Wiring Diagram 12.5 & 15 kW
(Units With Hourmeter) –
Drawing No. 0D4609-D .........................................81
Electrical Schematic 12.5 & 15 kW
(Units With Hourmeter) –
Drawing No. 0D6297-A .........................................82
Electrical Schematic 12.5 & 15 kW
(Units With Hourmeter) –
Drawing No. 0D6297-A .........................................83
Wiring Diagram 17.5 kW –
Drawing No. 0G0731 .............................................84
Wiring Diagram 17.5 kW –
Drawing No. 0G0731 .............................................85
Electrical Schematic 17.5 kW –
Drawing No. 0G0733 .............................................86
Electrical Schematic 17.5 kW –
Drawing No. 0H0729 .............................................87
Wiring Diagram 17.5 kW –
Drawing No. 0H0730 .............................................88
Wiring Diagram 17.5 kW –
Drawing No. 0H0730 .............................................89
Wiring Diagram, 17.5 kW Manual Transfer
Switch – Drawing No. 0G1065 ..............................90
Interconnection Drawing – 17.5 kW generator
connected to the external connection box, manual
transfer switch and home’s main electrical
distribution panel ...................................................91