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Magnum MMG55FHD User Manual

Magnum MMG55FHD
60 pages
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Parts manuals available online! www.m-p-llc.com
POWER PRODUCTS LLC
DIESEL GENERATOR
MMG25FHI • MMG35FHD
www m-p-llc com
55
MMG45FHK • MMG55FHD
OPERATING MANUAL

Table of Contents

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Magnum MMG55FHD Specifications

General IconGeneral
Rated Watts5500
Starting Watts6875
Fuel TypeGasoline
Displacement389cc
Starting SystemRecoil
Fuel Tank Capacity6.6 Gallons
Weight165 lbs
Engine Type4-Stroke OHV
AC Output120/240V
DC Output12V
Outlet Types4 x 120V 20A Outlets, 1 x 120/240V Twist-Lock Outlet, 1 x 12V DC Outlet

Summary

Introduction

Magnum Power Products LLC Contact Information

Company contact details, address, phone, fax, and website for support.

California Proposition 65 Warning

Warning regarding diesel engine exhaust constituents and their known effects.

Safety Notes

Safety Alert Symbol Usage

Explains the use of the safety alert symbol for potential personal injury hazards.

Hazard Definitions and Warnings

Defines DANGER, WARNING, CAUTION, and NOTICE levels for hazard communication.

Operating Safety

Engine Safety

Electrical Safety

Towing Safety

Reporting Trailer Safety Defects

Safety Symbol Summary

Specifications - MMG25FHI

Specifications - MMG35FHD

Specifications - MMG45FHK

Specifications - MMG55FHD

Unit Dimensions

Unit Serial Number Locations

Component Locations

Main Control Panel Features

Control Panel Light (Optional)

Optional light for illuminating the control panel for better visibility.

Magnum Digital Controller (MDC)

The primary controller for starting, stopping, and monitoring generator and engine functions.

Control Panel Light Switch (Optional)

Switch to operate the optional control panel light.

Interior Light Switch (Optional)

Switch to operate the optional interior light within the generator enclosure.

20A Circuit Breakers

Breakers that disconnect power to the 120V GFCI outlets.

50A Circuit Breakers

Breakers that disconnect power to the 120/240V twist-lock outlets.

Remote Start Terminal Block

Connection point for a remote start switch or dry-contact closure for remote operation.

120/240V Twist-Lock Convenience Outlets

Outlets for connecting additional loads or equipment to the generator.

120V GFCI Duplex Convenience Outlets

Outlets providing ground fault circuit interrupt protection for connecting loads.

Engine Accessory Connection

Connection point for powering battery chargers and other engine accessories.

Generator Ground Connection Lug

Terminal for connecting the generator to a proper earth ground for safety.

Generator Output Connection Lugs

Points for directly wiring external loads to the generator's output.

Cam Lock Connectors (Optional)

Optional receptacles for connecting loads using series 16 taper nose cam locks.

Voltage Selector Switch

Switch to change generator output voltage connections between output leads and lugs/cam locks.

Main Circuit Breaker

Primary breaker that disconnects power to connection lugs and cam locks.

Magnum Digital Controller (MDC)

Digital Controller Features and Functions

Describes the various controls and displays of the MDC, including operation, diagnostics, and status indicators.

Generator Monitoring

Engine Monitoring

Oil Pressure Display

Displays engine oil pressure readings and normal operating ranges.

Engine Temperature Display

Shows engine coolant temperature and shutdown thresholds.

Fuel Level Display

Indicates the fuel level percentage and low fuel warning/shutdown points.

Battery Voltage Display

Displays the engine battery voltage when the unit is running.

Navigation Screens

Explains how to navigate through "Running", "Password", and "History" screens on the MDC.

Wet Stacking

Fine Voltage Adjustment

Lowering the Trailer Tongue

Front Hood Operation

Rear Hood Operation

Pre-Start Checklist

Engine Break-In Requirements

Manual Starting of the Generator

“Auto” (Remote) Starting of the Generator

Shutting Down the Generator

MDC Controller Information Displays, Functions and Reset

Generator Operational Status Codes

Lists and explains the codes displayed by the MDC for generator operational states.

Magnum Digital Controller (MDC) - Alarm Management

MDC Alarm List

Detailed table of shutdown and warning fault conditions and their corresponding messages.

Magnum Digital Controller (MDC) – History

MMG Engine Controller

John Deere ECU Information Displays and Functions (MMG55FHD Only)

Adjusting the Display Backlighting

Resetting the “Time to Service” Reminder

Troubleshooting Automatic Shutdown Conditions

Low Fuel Level Shutdown

Steps to troubleshoot and resolve shutdowns due to low fuel levels.

Low Oil Pressure Shutdown

Steps to troubleshoot and resolve shutdowns caused by low engine oil pressure.

Low Coolant Level Shutdown

Troubleshooting steps for shutdowns resulting from insufficient engine coolant.

High Coolant Temperature Shutdown

Troubleshooting steps for shutdowns caused by excessive engine coolant temperature.

Overcrank Shutdown

Common causes and troubleshooting for the engine failing to start within the allowed crank cycles.

Overspeed or Underspeed Shutdown

Guidance on resolving shutdown conditions related to engine overspeed or underspeed.

Generator Output Connection Lugs

Generator Cam Lock Connections Option

Voltage Selector Switch

4-Position Voltage Selector Switch Option

Emergency Stop Switch

Main Circuit Breaker

Voltage Regulation

Customer Convenience Outlets

Derating for Altitude

Remote Start Terminal Block

Transfer Switch

Auto Exercise Timer

Daily Walk Around Inspection

Engine and Generator Maintenance

Basic Maintenance Schedule - Isuzu Engine

Basic Maintenance Schedule - Kubota Engine

Basic Maintenance Schedule - John Deere Engine

Belt Tensioners

Lifting the Generator

Towing the Trailer

Jack Maintenance

Checking Generator Drive Plate Torque

Auxiliary Fuel Tank Option

Fuel Transfer Pump Option

Viscous Fan Clutch Option

AC Wiring Diagram

AC Wiring Diagram - 4-Position Voltage Selector Switch Option

AC Wiring Diagrams for Optional Equipment

DC Wiring Diagram - MMG25FHI

DC Wiring Diagram - MMG35FHD, MMG45FHK

DC Wiring Diagram - MMG55FHD

DC Wiring Diagrams for Optional Equipment

Wiring Block Diagram - Dedicated 12 Lead Generators Option

Trailer Lights Wiring Diagram

Wiring Harness - Electric Brake Option

Service Log

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