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Marathon Electric PANCAKE GENERATOR - User Manual

Marathon Electric PANCAKE GENERATOR
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PANCAKE GENERATOR
Installation, Operation,
and Maintenance Manual
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Summary

Introduction

Safety Precautions

General Safety Warnings

Manual emphasizes safety precautions, with caution and warning messages for safety.

Pre-Service Safety

Disconnect power, lock out controls, and ensure proper grounding before service.

Installation

Location and Environment

Install generator in a protected environment with minimal exposure to elements.

Mounting Procedures

Securely mount the generator to the driver, using shims for uniform support.

Electrical Connections

Single Phase Connections

Diagrams for single-phase connections in dual voltage series and single voltage parallel configurations.

Three Phase Connections

Diagrams for three-phase connections including Double Delta, Low Zig Zag, and 12 Lead High Voltage.

Operation

Initial Pre-Start Inspection

Perform pre-start checks: clear area, check free rotation, wiring, grounding, fasteners, and guards.

Initial Start-Up Procedure

Steps for starting the generator, including AVR checks and load connection.

Shut Down Procedures

General practices for shutting down the generator to prolong equipment life.

Maintenance

Routine Maintenance Checks

Regular checks of air screens, bearings, and windings for optimal performance.

Drying Generator Windings

Procedures for drying wet generator windings to prevent damage.

Service Procedures

Restoring Residual Magnetism

Procedure to restore residual magnetism using a 12-volt battery for voltage buildup.

Testing the Rotating Rectifier Assembly

How to test diodes in the rotating rectifier assembly for open or shorted conditions.

Spare Parts Information

Returned Goods Policy

Troubleshooting

No Voltage or Residual Voltage

Diagnosing issues when the generator produces no voltage or only residual voltage.

Low Voltage (No Load)

Troubleshooting low voltage output when the generator is not under load.

Low Voltage (With Load)

Identifying causes for low voltage output when the generator is under load.

Fluctuating Voltage

Diagnosing fluctuating voltage or light flicker issues in the generator output.

High Voltage

Troubleshooting causes for the generator producing excessively high voltage.

Overheating

Identifying reasons for generator overheating, such as overload or poor ventilation.

Mechanical Noise

Diagnosing causes of mechanical noise, including bearings and couplings.

Shock When Touched

Addressing issues of static charge or grounded coils causing shock hazard.

Important Information and Warnings

General Warnings and Cautions

Key warnings and cautions for safe operation, installation, and maintenance.

Resale of Goods Clause

Legal clause regarding warranties and liabilities for resold goods.

Marathon Electric PANCAKE GENERATOR Specifications

General IconGeneral
VoltageNot Available
FrequencyNot Available
Engine TypeNot Available
Engine DisplacementNot Available
Fuel TypeNot Available
Fuel Tank CapacityNot Available
Run TimeNot Available
Noise LevelNot Available
WeightNot Available
DimensionsNot Available
Outlets1 x 12V DC Outlet
THDNot Available
PhaseNot Available