004992-137kW NG, 40kW LP
Model Nos.
SHOULD ATTEMPT INSTALLATION
Owner’s Manual
OPERATION AND MAINTENANCE
AUTHORIZED SERVICE DEALER LOCATION
HOW TO OBTAIN SERVICE
INTRODUCTION
INTRODUCTION
Table of Contents
DANGER
GENERAL HAZARDS
EXPLOSION HAZARDS
ELECTRICAL HAZARDS
FIRE HAZARDS
1.1GENERATOR
1.2TRANSFER SWITCH
1.3AUTOMATIC SYSTEM OPERATION
1.4GENERATOR AC CONNECTION SYSTEMS
1.7.2 HIGH COOLANT TEMPERATURE SWITCH
1.7.1 LOW OIL PRESSURE SWITCH
1.7.3 LOW COOLANT LEVEL SWITCH
Figure 1.4 - Low Oil Pressure Switch
1.7.8 ALARM RESET
1.7.7 LOW BATTERY
1.8.1 UNPACKING PRECAUTIONS
Figure 1.7 - Printed Circuit Board Assembly
1.12 RECONFIGURING THE FUEL SYSTEM
1.10 SPECIFICATIONS
1.10.1 GENERATOR SPECIFICATIONS
1.10.2 ENGINE SPECIFICATIONS
1.16 BEFORE INSTALLATION
1.13 TORQUE SPECIFICATIONS
2.1STANDBY GENERATOR INSTALLATION
1.14 ENGINE OIL RECOMMENDATIONS
2.3GENERATOR MOUNTING AND SUPPORT
2.2GENERATOR LOCATION
2.4BASIC STANDBY ELECTRIC SYSTEM
2.1.1 NFPA STANDARDS
2.6TOTAL CIRCUIT ISOLATION METHOD
2.5EMERGENCY CIRCUIT ISOLATION METHOD
2.8GENERATOR AC NEUTRAL CONNECTIONS
Figure 2.1 – Basic Standby Electric System
2.10BATTERY INSTALLATION
2.9TRANSFER SWITCH SIGNAL CONNECTIONS
2.9.1 PRE-PACKAGEDATS
2.9.2 GTS-TYPEATS
2.11 PREPARATION BEFORE START-UP
2.11.2 TRANSFER SWITCH
2.11.3 FUEL SYSTEM
2.11.4 GENERATOR SET LUBRICATION
Pos2 OFF — ATS Application Included switch
3.1USING AN ENGINEERED “GTS” TRANSFER SWITCH
GTS Mode Operation
3.2.1 AUTO/OFF/MANUAL SWITCH
3.2.5 SET EXERCISE TIME SWITCH
3.4ENGINE GOVERNOR ADJUSTMENTS
Figure 3.2 — Engine Governor Adjustment
DIP SWITCH
3.6AUTOMATIC OPERATION
Figure 3.2 - “Set Exercise Time” Switch
3.7WEEKLY EXERCISE CYCLE
3.5RETRANSFER AND SHUTDOWN
4.3OVERLOAD PROTECTION FOR
4.4.2 BATTERY FLUID
ENGINE DC ELECTRICAL SYSTEM
4.4CHECKING FLUID LEVELS
DANGER
4.5MAINTENANCE OWNER/ OPERATOR CAN PERFORM
4.6.1 CLEANING THE GENERATOR
4.6MISCELLANEOUS MAINTENANCE
4.5.11 CHANGING THE ENGINE AIR CLEANER
4.6.2 BATTERY
DANGER
4.6.3 BATTERY MAINTENANCE
4.6.4 BATTERY REPLACEMENT
Service Maintenance Interval Information
4.7SCHEDULED MAINTENANCE
•Turn off the battery charger
•Remove the negative battery cable
Level
Maintenance
Tasks
Level
Level
Maintenance
Level
Level
PROBLEM
TROUBLESHOOTING POINTS
CAUSE
CORRECTION
Wiring Diagram — Engine — Drawing No. 0E8115-A
Section 6 - Electrical Data
24 Generac Power Systems, Inc
Guardian 40kW Liquid-cooledGenerators
Section 6 - Electrical Data
Generac Power Systems, Inc.
Guardian 40kW Liquid-cooledGenerators
26 Generac Power Systems, Inc
Section 6 - Electrical Data
Section 6 - Electrical Data
Generac Power Systems, Inc.
2 CARRIER REAR BEARING
PART NO
ITEM
DESCRIPTION
Section 7 - Exploded Views and Parts
30 32
PART NO
ITEM
DESCRIPTION
Section 7 - Exploded Views and Parts
Section 7 - Exploded Views and Parts
32 Generac Power Systems, Inc
PART NO
ITEM
DESCRIPTION
ITEM
Section 7 - Exploded Views and Parts
34 Generac Power Systems, Inc
PART NO
ITEM
DESCRIPTION
ITEM
9 15 10 20 1 A
PART NO
ITEM
DESCRIPTION
Section 7 - Exploded Views and Parts
TO ENGINE
PART NO
ITEM
DESCRIPTION
033212
Guardian 40kW Liquid-cooledGenerators
Section 7 - Exploded Views and Parts
Alternator — Drawing No. 0E5146-B
LEADS
PART NO
ITEM
DESCRIPTION
0E5093A
PART NO
ITEM
DESCRIPTION
ITEM
Installation Diagram — Drawing No. 0E8422-A
Section 8 — Installation Diagram
Generac Power Systems, Inc.
Guardian 40kW Liquid-cooledGenerators
Guardian 40kW Liquid-cooledGenerators
44 Generac Power Systems, Inc
Section 9 - Notes
Guardian 40kW Liquid-cooledGenerators
Generac Power Systems, Inc.
Section 9 - Notes
WARRANTY SCHEDULE
Section 10 – Warranty
THIS WARRANTY SHALL NOT APPLY TO THE FOLLOWING
GENERAC POWER SYSTEMS, INC