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Portable Generator
Generac Power Systems
004992-0, 004992-1
owner manual
Guardian 40kW Liquid-cooled Generators
Models:
004992-0, 004992-1
004992-1, 004992-0
004992-0, 004992-1, 37kW NG, 40kW LP
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Troubleshooting
Specs
Install
3.2.2 Fault Indicator Leds
Assy Wire
Maintenance
COVER, Flywheel Access
4.5.2 Check Battery
Engine Governor Adjustments
4.6.1 Cleaning the Generator
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Section 9 - Notes
Guardian 40kW
Liquid-cooled
Generators
44 Generac
®
Power Systems, Inc.
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Contents
Liquid-cooled, Prepackaged Standby Generators
Introduction
Operation and Maintenance
HOW to Obtain Service
Read this Manual Thoroughly
Table of Contents
General Hazards
Electrical Hazards
Automatic System Operation
Transfer Switch
Generator
Generator AC Connection Systems
1.7.3 LOW Coolant Level Switch
1.7.1 LOW OIL Pressure Switch
1.7.2 High Coolant Temperature Switch
Generator Fuel System
Unpacking
Lifting the Generator
1.10.1 Generator Specifications
Specifications
Reconfiguring the Fuel System
1.10.2 Engine Specifications
Engine OIL Recommendations
Torque Specifications
Before Installation
Coolant Recommendations
Basic Standby Electric System
Generator Location
Generator Mounting Support
2.1.1 Nfpa Standards
Total Circuit Isolation Method
Emergency Circuit Isolation Method
Generator AC Neutral Connections
2.9.1 PRE-PACKAGED ATS
Transfer Switch Signal Connections
Battery Installation
2.9.2 GTS-TYPE ATS
Preparation Before START-UP
3.2.2 Fault Indicator Leds
Using AN Engineered GTS Transfer Switch
3.2.1 AUTO/OFF/MANUAL Switch
Control Console Components
Manual Transfer START-UP
Engine Governor Adjustments
3.2.5 SET Exercise Time Switch
3.2.6 System Ready LED
Automatic Operation
Weekly Exercise Cycle
Checking Fluid Levels
Overload Protection for Engine DC Electrical System
Cooling System
4.5.9 Inspect Engine Governor
4.5.2 Check Battery
4.5.8 Check FAN Belt
4.5.1 Check Engine OIL Level
4.5.11 Changing the Engine AIR Cleaner
Miscellaneous Maintenance
4.6.1 Cleaning the Generator
4.5.13 Coolant Change
4.6.3 Battery Maintenance
4.6.4 Battery Replacement
Scheduled Maintenance
Service Maintenance Interval Information
Level
Maintenance Level
Troubleshooting Points
Problem Cause Correction
Electrical Data
Electrical Data
Electrical Data
Electrical Data
Carrier Rear Bearing
Boot Battery Cable
Assy Wire
Hold Down Battery
Battery Post Covwer Black
See Latch Detail
Intake Duct HSB
Assy GRD Wire 99HSB
Assembly BASE-DOOR Ground Wire
Duct Discharge RH Front
Generac Power Systems, Inc
Cover Front Panel HSB
Assy 2A 12V UL Battery
Control BOX HSB
Cover TOP Panel HSB
Generac Power Systems, Inc
Flexplate 3.9L HSB
COVER, Flywheel Access
ASSEMBLY, Resistor
MACHINING, 3.9L Engine
Pump
VENTURI,3.9L Cryslr HSB 22FAN
Tank Coolant Recovery
Radiator Copper Brass
Radiator Support L/H Side
To Engine
Plate AIR Cleaner TOP
Base AIR Cleaner Plate
Hold Down AIR Cleaner
Flange Fuel Inlet
Leads
STR-390--40AD HSB 433MM LONG3.9L Chrysler
Rotor 390 30KW 1P Direct HSB
Rotor 390 40KW 1P Direct HSB
Rear Bearing Carrier 390/DRCT
WYE, Pipe 3.9L Chrysler
NUT TOP Lock FL M12-1.75
OUT
Exhaust Flange 2 Pipe
Installation Diagram
Guardian 40kW Liquid-cooled Generators
Guardian 40kW Liquid-cooled Generators
This Warranty Shall not Apply to the Following
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Contents