Table Of Contents - Generac Power Systems Magnum MMG75D Owner's Manual

Introduction and Safety
Introduction .......................................................1
Safety Rules ......................................................1
General Hazards ...............................................2
Explosion and Fire Hazards ..............................2
Trailer Hazards ..................................................3
Electrical Hazards .............................................3
Battery Hazards ................................................4
General Information
Component Locations .......................................5
Unit and Serial Number Locations ....................6
Engine Oil Recommendations ...........................6
Coolant Recommendation .................................6
Control Panel ....................................................7
Power Zone™ Gen Controller ...........................8
Controller Features and Functions ....................9
Maintenance Screens .....................................10
Generator Monitoring ......................................12
Engine Monitoring ...........................................12
Diesel Exhaust Filter Monitoring .....................12
Controller Information Displays, Functions,
and Reset ........................................................13
Belt Tensioners ...............................................13
Front Hood Operation .....................................14
To Open the Front Hood .................................14
To Close the Front Hood .................................14
Operation
Prestart Checklist ............................................15
Manually Starting the Unit ...............................15
AUTO (Remote) Starting the Unit ...................16
Transfer Switch ...............................................17
Derating for Altitude ........................................17
Generator Output Connections .......................18
Fine Voltage Adjustment .................................18
Voltage Selector Switch ..................................19
Voltage Regulator ...........................................19
To Achieve 240V in 208V Configuration .........19
Changing Back to 208V Configuration ............20
Customer Convenience Receptacles ..............20
Main Circuit Breaker ........................................20
Exhaust Filter Cleaning Operations ................21
Disabling Automatic (AUTO) Exhaust Filter
Cleaning ..........................................................21
Force a Manual Exhaust Filter Cleaning .........21
Enable Exhaust Filter Cleaning .......................21
AUTO Exercise Timer .....................................21
Owner's Manual for Generator

Table of Contents

Maintenance
Troubleshooting
Wiring Diagrams and Service Log
Accessing the Configuration Menu .................21
Set the Controller Clock ..................................22
Set the Schedule .............................................22
Setting Up a Daily Scheduled Run ..................22
Set the Unit to AUTO Mode ............................22
Shutting Down the Unit ................................... 22
Emergency Stop Switch .................................. 23
ECU Override Switch ...................................... 23
Towing the Unit ............................................... 23
Lifting the Unit ................................................. 24
Emissions Information .................................... 25
Daily Walk Around Inspection ......................... 25
General Maintenance ..................................... 25
Basic Maintenance Schedule ......................... 25
Engine Break-In Requirements ....................... 27
Resetting the Maintenance Alarms ................. 27
Exhaust Filter Service Requirements ............. 27
Checking Generator Drive Plate Torque ......... 28
Jack Maintenance ........................................... 28
Side-Wind Models ...........................................28
Top-Wind Models ............................................28
Trailer Wheel Bearings ................................... 28
General Troubleshooting ................................ 29
AC Wiring - 3 Position Voltage Selector
Switch ............................................................. 31
AC Wiring - 4 Position Voltage Selector Switch
Option ............................................................. 32
AC Wiring Options .......................................... 33
PMG Wiring Option ......................................... 34
DC Wiring ....................................................... 35
DC Wiring Options .......................................... 36
Low Oil Level Wiring Option ........................... 37
Battery Charger Wiring Option ........................ 37
Engine Heater Wiring Option .......................... 37
Wiring Block Diagram - Dedicated 12 Lead
Generators Option .......................................... 38
Trailer Lights Wiring ........................................ 39
Wiring Harness - Electric Brake Option .......... 40
Service Log ..................................................... 41
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