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Magnum MMG75D User Manual

Magnum MMG75D
56 pages
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Parts manuals available online! www.m-p-llc.com
POWER PRODUCTS LLC
DIESEL GENERATOR
75
MMG75D • MMG100D
OPERATING MANUAL

Table of Contents

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Magnum MMG75D Specifications

General IconGeneral
BrandMagnum
ModelMMG75D
CategoryPortable Generator
LanguageEnglish

Summary

Introduction

Safety and Precautions

Operating Safety

General safety guidelines for operating the generator.

Engine Safety

Safety precautions related to the engine's operation.

Electrical Safety

Safety measures for electrical components and connections.

Towing Safety

Guidelines for safely towing the generator unit.

Specifications - MMG75D

Specifications - MMG100D

Unit Dimensions

Unit Serial Number Locations

Component Locations

Main Control Panel Features

Main Circuit Breaker

Details the main circuit breaker function and tripping conditions.

Convenience Outlets and Breakers

Describes GFCI/twist-lock outlets and their breakers.

Generator Ground and Output Lugs

Points for generator grounding and external load connections.

Remote Start Terminal Block and Door Safety Switches

Connection point for remote start and door interlock features.

Magnum Digital Controller (MDC)

Controller Features and Functions

Details the features and operational functions of the MDC.

Generator and Engine Monitoring

Explains how generator and engine info is displayed on the LCD.

Diesel Exhaust Filter Monitoring

Explains indicators for the diesel exhaust filter status.

MDC Controller Information Displays

Codes for status, alarm management, and alarm list.

Wet Stacking Information

Fine Voltage Adjustment

Front Hood Operation

Pre-Start Check List

Manual Starting of the Generator

Remote Starting and Shutdown

"AUTO" (Remote) Starting

Procedure for starting the generator remotely.

Shutting Down the Generator

Steps for safely shutting down the generator.

Exhaust Filter Cleaning Operations

John Deere ECU Functions

MDC Controller History

Display and Service Reminders

Adjusting Display Backlighting

How to adjust the brightness of the MDC display window.

Resetting Time to Service Reminder

Procedure to reset the maintenance service reminder.

Troubleshooting Shutdown Conditions

Low Fuel Level Shutdown

Troubleshooting steps for low fuel level shutdown.

Low Oil Pressure Shutdown

Troubleshooting steps for low oil pressure shutdown.

Engine Performance Shutdowns

Troubleshooting for coolant temp, overcrank, overspeed/underspeed issues.

Generator Output Connection

Voltage Selector Switches

Voltage Selector Switch

Switch to change generator output voltage configurations.

4-Position Voltage Selector Switch Option

Details the optional four-position voltage selector switch.

Generator Controls and Safety Features

Emergency Stop Switch

Safety switch to immediately shut down the generator.

Main Circuit Breaker

Primary breaker for disconnecting power to output lugs.

Voltage Regulation

How the electronic regulator controls generator output voltage.

Operational Considerations

Customer Convenience Outlets

Description of available outlets for user equipment.

Derating for Altitude and Temperature

Explains performance reduction at higher altitudes and temperatures.

Remote Start Terminal Block

Connection point for remote start switches.

Transfer Switch Function

Engine and Generator Maintenance

Belt Tension Adjustment

How to adjust belt tension on John Deere engines.

Auto Exercise Timer

Procedure for scheduling automatic generator exercise runs.

Daily Walk Around Inspection

Performing daily checks for safety and performance.

Basic Maintenance Schedule - John Deere Engine

Schedule of maintenance tasks based on operating hours and time.

Engine Break-In and Filter Service

Engine Break-In Requirements

Guidelines for the initial break-in period of the engine.

Exhaust Filter Service Requirements

Explains when and how the exhaust filter needs servicing.

Generator Handling and Trailer

Lifting and Towing the Generator

Instructions for safely lifting and towing the generator unit.

Trailer Wheel Bearings

Maintenance procedure for trailer wheel bearings.

Optional Equipment and Features

Generator Drive Plate Torque Check

Procedure to check the torque of drive plate bolts.

Auxiliary Fuel Tank Option

Information on operating the generator with an auxiliary fuel tank.

Fuel Transfer Pump Option

Details the function of the fuel transfer pump system.

Viscous Fan Clutch Option

Explains the function of the viscous fan clutch system.

Wiring Diagrams

AC Wiring Diagram (3-Position Switch)

Wiring diagram for the 3-position voltage selector switch.

AC Wiring Diagram (4-Position Switch)

Wiring diagram for the optional 4-position voltage selector switch.

AC Wiring Diagrams for Optional Equipment

Wiring diagrams for additional optional equipment.

DC Wiring Diagram

Diagram illustrating the DC wiring of the generator.

Additional Wiring Diagrams

DC Wiring Diagrams for Optional Equipment

Wiring diagrams for optional DC equipment.

Wiring Block Diagram (12 Lead Generators)

Block diagram for 12-lead generator wiring configurations.

Trailer Wiring Diagram

Wiring diagram for the trailer components.

Wiring Harness (Electric Brake)

Wiring harness diagram for the electric brake option.

Service Log

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