Generac Power Systems 0065791

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ii Owner’s Manual for Stationary Industrial Generators

(000393a)

WARNING

CANCER AND REPRODUCTIVE HARM

www.P65Warnings.ca.gov.

Main Page

Table of Contents3
Section 1 Safety7
Introduction7
Installation, Operation, and Maintenance7
How to Obtain Service7
Safety Rules8
General Hazards9
Electrical Hazards9
Fire Hazards10
Explosion Hazards10
Section 2 General Information11
Unit Identification11
Data Label11
Model Identification Code11
Voltage Code12
Equipment Description12
Standard Generator Features12
Generator and Load Compatibility12
Single-Phase "A" or "M" Code Units13
Three-Phase Load Imbalance Limits13
Ambient Condition Derate13
Engine/Generator Protective Devices13
Coolant Temperature Sensor13
Low Coolant Level Sensor13
Oil Pressure Sensor13
Overspeed Shutdown13
Overcrank Shutdown14
RPM Sensor Loss Shutdown14
Low Fuel Pressure Warning14
DC Fuses14
Fuel System14
Diesel Fuel System14
Natural Gas Fuel System14
LP Fuel System14
LP Vapor Withdrawal Fuel System15
LP Liquid Withdrawal Fuel System15
Dual Fuel: NG/LP Fuel System15
Specifications15
Generator15
Engine Oil Recommendations15
Coolant15
Gearbox Lubrication (if Equipped)16
Starting Aids (if Equipped)16
Engine Coolant Heater16
Engine Oil Sump Heater16
Battery Warmer16
Section 3 Operation17
Generator Control and Operation17
Grounding the Generator17
Generator AC Neutral Connections17
Initial Startup17
Panel Interface18
Emergency Stop Button18
Common Alarm Horn18
Key Switch18
Left Display Window18
Right Display Window19
Arrow Keys Pad19
Fuse Block19
Additional Components20
Main Line Circuit Breaker20
Automatic Transfer Switch20
Automatic Battery Charger20
Engine Coolant Heater (if Equipped)20
Engine Oil Sump Heater (if Equipped)20
Battery Warmer (if Equipped)20
Alarm Response Procedures21
Alarm Types21
Warnings21
Non-Shutdown Alarms21
Shutdown Alarms21
Alarm Display Window21
General Fault Response Procedure22
Operating the Unit with an Automatic Transfer Switch22
Operating the Unit with a Manual Transfer Switch22
Manual Engine Startup and Transfer23
Re-Transfer and Shutdown23
Section 4 Maintenance25
Maintenance Schedule25
Service Maintenance Intervals25
Maintenance Schedule26
Notes and Maintenance Item Explanations26
Extended Run-Time Maintenance Checks27
Maintenance Level 1A28
Maintenance Level 1 - Monthly29
Maintenance Level 2 - Semi-Annual30
Maintenance Level 3 - Annual31
Maintenance Level 4 - Bi-Annual32
Disabling a Generator for Maintenance33
To Disable the Generator from Starting33
Shutdown and Restart an Operating Generator33
Maintenance Tasks34
Visually Inspect Unit34
Check Engine Fluids34
Check Engine Oil Level34
Check Coolant Level35
Check/Change Gearbox Oil (if Equipped)35
Battery Inspection36
Battery Installation and Replacement37
Other Maintenance Checks39
Maintenance and Repair Parts39

Generac Power Systems 0065791 - Page 2

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