POWER SYSTEMS, INC
INSTALLATION DEADLY EXHAUST FUMES. OUTDOOR INSTALLATION ONLY
40 kW/Single-phase w 200 Amp Transfer Switch
40 kW/Single-phase w 200 Amp Transfer Switch California Emissions
INTRODUCTION
CONTENTS
OPERATION AND MAINTENANCE
HOW TO OBTAIN SERVICE
Guardian Liquid-cooled 40 kW Generator
Table of Contents
Parts of the generator are rotating and/or hot
GENERAL HAZARDS
DANGER
Despite the safe design of this generator
EXPLOSION HAZARDS
ELECTRICAL HAZARDS
FIRE HAZARDS
1.2 THE GENERATOR
1.4 PREPACKAGED TRANSFER SWITCH
Figure 1.1 - Single-phase Generator AC Connection System
1.1 UNPACKING/INSPECTION
1.6 MAIN CIRCUIT BREAKER
1.8 SPECIFICATIONS
1.7.3 LOW COOLANT LEVEL SWITCH
1.7.1 LOW OIL PRESSURE SWITCH
1.9.1 CONVERSION TO LP GAS VAPOR
1.9 FUEL REQUIREMENTS AND RECOMMENDATIONS
1.8.2 GENERATOR AND LOAD COMPATIBILITY
1.8.3 ENGINE
1.12.1 AIR FUEL RATIO CONTROLLER
1.12 EMISSIONS CONTROL SYSTEM
1.11 COOLANT
1.10 ENGINE OIL RECOMMENDATIONS
OTHER PUBLISHED STANDARDS
STANDBY GENERATOR INSTALLATION
2.1 BASIC STANDBY ELECTRIC SYSTEM
NFPA STANDARDS
METHOD
2.6 TRANSFER SWITCH START SIGNAL CONNECTIONS
2.6.1 PRE-PACKAGED TYPE SWITCH
2.6.2 “GTS” Type Engineered Switch
DO NOT SMOKE when near batteries
2.7 BATTERY INSTALLATION
2.8 PREPARATION BEFORE START-UP
2.7.1 VENTED BATTERIES
2.8.4 GENERATOR SET LUBRICATION
2.8.2 TRANSFER SWITCH
2.8.1 PRIOR TO INITIAL START-UP
2.8.3 FUEL SYSTEM
3.1 CONTROL CONSOLE COMPONENTS
3.2 USING THE AUTO/OFF/MANUAL SWITCH
3.2.2 “OFF” POSITION
3.4 SEQUENCE OF AUTOMATIC OPERATION
3.5 ENGINE HEATER
3.3 AUTOMATIC TRANSFER OPERATION
Figure 3.2 - Engine Block Heater
Figure 3.3 - “Set Exercise” Switch on Control Panel
3.6 WEEKLY EXERCISE CYCLE
4.1 CHECKING THE ENGINE OIL LEVEL
4.2.1 ENGINE OIL RECOMMENDATIONS
4.3 CHANGING THE ENGINE AIR CLEANER
4.2.2 OIL AND FILTER CHANGE PROCEDURE
4.2 CHANGING THE ENGINE OIL AND FILTER
Figure 4.4 - Setting the Spark Plug Gap
4.5 BATTERY MAINTENANCE
4.5.1 BATTERY REPLACEMENT
Figure 4.3 - Engine Air Cleaner
4.7 OVERLOAD PROTECTION FOR
4.10 MISCELLANEOUS MAINTENANCE
4.10.1 CLEANING THE GENERATOR
4.6 COOLING SYSTEM
4.11.2 RETURN TO SERVICE
4.11 OUT OF SERVICE PROCEDURE
4.11.1 REMOVAL FROM SERVICE
be performed by your nearest Generac/Guardian Authorized Dealer
4.12 SERVICE SCHEDULE
ATTENTION It is recommended that all service work
CORRECTION
5.1 TROUBLESHOOTING GUIDE
PROBLEM
CAUSE
Guardian Liquid-cooled 40 kW Generator
Mounting Dimensions - Drawing No. 0D5335
Generac Power Systems, Inc
Section 6 - Electrical Data
GCB - GOVERNOR CONTROL BOARD HZ - FREQUENCY METER
BLACK RED
S16 BLUE
BLUE
Liquid-cooled
Electrical Data
Model No
4.3L - Drawing
0043735 Guardian Liquid- Panel 4.3L - Drawing No
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Model No. 0043733, 0043734 Electrical Schematic - Pre-pack
Section 6 - Electrical Data
Section
Generac Power Systems, Inc
SCHEMATIC
WIRING DIAGRAM
Model No. 0046262
Wiring Diagram - Control Panel
26 Generac Power Systems, Inc
Section 6 - Electrical Data
Electrical Data
0046262, 0046263 & 0046264Guardian Electrical Schematic
Generac Power Systems, Inc
Section
0/BLACK
FS EH
GND 0
56 CC
Page
Mounting Base - Drawing No. 0E2384-A
Section 7 - Exploded Views and Parts Lists
30 Generac Power Systems, Inc
Guardian Liquid-cooled 40 kW Generators
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
Compartment - Drawing No. 0D8992
Section 7 - Exploded Views and Parts Lists
32 Generac Power Systems, Inc
Guardian Liquid-cooled 40 kW Generators
39-3/8
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
49.1 FT
INSIDE
Section 7 - Exploded Views and Parts Lists
34 Generac Power Systems, Inc
PANEL FACE
Control Panel 4.3L - Drawing No. 0D4995-F
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
DESCRIPTION
36 Generac Power Systems, Inc
Section 7 - Exploded Views and Parts Lists
Control Panel - Drawing No. 0D6978-C
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
DESCRIPTION
38 Generac Power Systems, Inc
ALT LEADS SENSING WIRE
WIRE
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
40 Generac Power Systems, Inc
FlLYWHEEL ADJUSTMENT
DO NOT ROTATE ENGINE DURING THIS ADJUSTMENT
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
Guardian Liquid-cooled 40 kW Generators Engine - Drawing No. 0D6980-B
Section 7 - Exploded Views and Parts Lists
42 Generac Power Systems, Inc
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
Guardian Liquid-cooled 40 kW Generators Engine - Drawing No. 0A4304-L
Section 7 - Exploded Views and Parts Lists
44 Generac Power Systems, Inc
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
4.3L Radiator - Drawing No. 0D7992-D
Section 7 - Exploded Views and Parts Lists
46 Generac Power Systems, Inc
Guardian Liquid-cooled 40 kW Generators
OPTIONAL WITH KIT 0D7948 ** OPTIONAL WITH KIT 0D7947
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
48 Generac Power Systems, Inc
DESCRIPTION
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
TO VALVE COVER
50 Generac Power Systems, Inc
Section 7 - Exploded Views and Parts Lists
TO STEPPER MOTOR
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
ATTACH TO
Section 7 - Exploded Views and Parts Lists
ASSEMBLY
52 Generac Power Systems, Inc
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
54 Generac Power Systems, Inc
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
56 Generac Power Systems, Inc
BLOCK
Section 7 - Exploded Views and Parts Lists
TO THERMOSTAT HOUSING
DESCRIPTION
Guardian Liquid-cooled 40 kW Generators
58 Generac Power Systems, Inc
Section 8 - Notes
Guardian Liquid-cooled 40 kW Generators
Generac Power Systems, Inc
Section 8 - Notes
CALIFORNIA EMISSION CONTROL WARRANTY STATEMENT
YOUR WARRANTY RIGHTS AND OBLIGATIONS
MANUFACTURER’S EMISSION CONTROL SYSTEM WARRANTY COVERAGE
PURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIES
Section 9 - Warranty
EMISSION CONTROL SYSTEM WARRANTY
EMISSION RELATED PARTS INCLUDE THE FOLLOWING
GUARDIAN “EMERGENCY AUTOMATIC STANDBY GENERATORS”
WARRANTY SCHEDULE
GENERAC POWER SYSTEMS STANDARD TWO YEAR LIMITED WARRANTY FOR
Section 9 - Warranty