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Generac Power Systems 004992-0, 004992-1, 37kW NG, 40kW LP Owner's Manual: Table Of Contents

Liquid-cooled, prepackaged standby generator.
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INTRODUCTION ................................................IFC
SAFETY RULES ....................................................2
1.1
Generator ..............................................................4
1.2
Transfer Switch ....................................................4
1.3
Automatic System Operation ................................4
1.4
Generator AC Connection Systems........................4
1.5
Main Circuit Breaker ............................................4
1.6
Generator Fuel System ..........................................5
1.7
Engine Protective Devices ......................................5
1.8
Unpacking ............................................................6
1.9
Lifting the Generator ............................................6
1.10 Specifications ........................................................7
1.11 Fuel Consumption ................................................7
1.12 Reconfiguring the Fuel System ..............................7
1.13 Torque Specifications ............................................8
1.14 Engine Oil Recommendations ..............................8
1.15 Coolant Recommendations....................................8
1.16 Before Installation ................................................8
Section 2 — INSTALLATION ............................8
2.1
Standby Generator Installation ............................8
2.2
Generator Location................................................9
2.3
Generator Mounting and Support ........................9
2.4
Basic Standby Electric System ..............................9
2.5
2.6
Total Circuit Isolation Method ............................10
2.7
Grounding the Generator ....................................10
2.8
Generator AC Neutral Connections......................10
2.9
Transfer Switch Start Signal Connections ..........10
2.10 Battery Installation ..............................................11
2.11 Preparation Before Start-Up ................................12

Table of Contents

Guardian 40kW Liquid-cooled Generators
Section 3 — OPERATION ................................13
3.1
3.2
Control Console Components..............................13
3.3
Manual Transfer and Startup ..............................14
3.4
Engine Governor Adjustments ............................14
3.5
Retransfer and Shutdown....................................15
3.6
Automatic Operation ..........................................15
3.7
Weekly Exercise Cycle..........................................15
Section 4 — MAINTENANCE ..........................16
4.1
Maintenance Performed by Authorized
Service Facilities ..................................................16
4.2
Cooling System....................................................16
4.3
Overload Protection for Engine DC
Electrical System ................................................16
4.4
Checking Fluid Levels ........................................16
4.5
Maintenance Owner/Operator
Can Perform ........................................................17
4.6
Miscellaneous Maintenance ................................18
4.7
Scheduled Maintenance ......................................20
Section 5 — TROUBLESHOOTING ..................23
Section 6 — ELECTRICAL DATA ....................24
Section 7 — EXPLODED VIEWS AND
PARTS LISTS ..............................28
Section 8 — INTALLATION DIAGRAM ............43
Section 9 — NOTES ........................................44
Section 10 — WARRANTY .................Back Cover
Generac
®
Power Systems, Inc.
1

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Guardian 004992-0, Guardian 004992-1

Comments to this Manuals

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Latest comments:
  • Byron Woodall Aug 03, 2016 11:25:
    does generac ever have any cold solder joints in their circuit boards n the 4992-1 gen-set 40KW unit.
  • ROBERTO Dec 09, 2014 06:23:
    (1)COOLANT LEVER SENSOR GENERATOR KOHLER WITH JOHN DEERE ENGINE 4-CYLINDER​;

    KOHLER 37KW
    MODEL​# 40ROZJ61
    S​ERIAL# 368864

    EN​GINE SERIAL# CD4039D228​041
    ENGINE FAMILY# 4039DF

    MY EMAIL IS LTBP.ROBER​TO@GMAIL.C​OM