OPERATION AND PARTS MANUAL
MODEL GA4.5R/GA4.5RA
PORTABLE AC GENERATOR
Revision #1 11/27/06
Page
NOTE PAGE
TABLE OF CONTENTS
GA-4.5R/GA-4.5RA - AC Portable Generators
Generator Component Drawings
ROBIN EX270D Engine EPA
PARTS ORDERING PROCEDURES
When ordering parts, please supply
Choose from three easy options
Ordering parts has never been easier
GA-4.5R/GA-4.5RA - SAFETY MESSAGE ALERT SYMBOLS
HAZARD SYMBOLS
SAFETY MESSAGE ALERT SYMBOLS
DANGER
WARNING - ROTATING PARTS
CAUTION - ACCIDENTAL STARTING
CAUTION - OVER-SPEED CONDITIONS
CAUTION - RESPIRATORY HAZARDS
DANGER - READTHIS MANUAL
GENERAL SAFETY
GA-4.5R/GA-4.5RA - RULES FOR SAFE OPERATION
Power Cord Safety
Grounding Safety
Maintenance Safety
GA-4.5R/GA-4.5RA - RULES FOR SAFE OPERATION
GA-4.5R/GA-4.5RA - RULES FOR SAFE OPERATION
DANGER-ELECTROCUTION HAZARDS
DEATH
Emergencies
GA-4.5R/GA-4.5RA - SPECIFICATIONS
Table 1. Specifications
MODEL
Effects of Altitude and Heat
GA-4.5R/GA-4.5RA - DIMENSIONS
Figure 1. Dimensions
GA-4.5R/GA-4.5RA - GENERAL INFORMATION
GA-4.5R/GA-4.5RA Familarization
Control Panel
Excitation System
CAUTION - ADEQUATE EXTENSION CABLE
Single Phase Load
GA-4.5R/GA-4.5RA - LOAD APPLICATION
GA-4.5R/GA-4.5RA - CONTROLS AND INDICATORS
rated 60 Hz, single phase output voltage. In addition the
engine problems may exist low/high RPMs. To prevent
Figure 2A. Generator Controls and Components
GA-4.5R/GA-4.5RA - CONTROLS AND INDICATORS
Figure 2D. Full Power Switch 120/240 VAC Down
Simplified Wiring Diagram Figure 2C. Full Power Switch 120VAC Up
SimplifiedWiring Diagram
GA-4.5R/GA-4.5RA - CONTROLS AND INDICATORS
Figure 2E. Generator Controls and Components continued
Figure 3. Generator Refueling
GA-4.5R/GA-4.5RA - GENERATOR REFUELING
DANGER - REFUELING HAZARD
GA-4.5R/GA-4.5RA - INSTALLATION
Outdoor Installation
Mounting
WARNING - LETHAL EXHAUST GASES
Figure 4. Generator Grounding
GA-4.5R/GA-4.5RA - INSTALLATION
Connecting the Ground
Table 3. Cable Selection 60 Hz, Single Phase Operation
#10 Wire
#12 Wire
GA-4.5R/GA-4.5RA - PRE-INSPECTION
GA-4.5R/GA-4.5RA - PRE-INSPECTION ENGINE
Table 4. Oil Type
DANGER - EXPLOSIVE FUEL
Before Starting
GA-4.5R/GA-4.5RA - INITIAL START-UP ENGINE
CAUTION - READ MANUAL
CAUTION - RECOIL STARTER
Figure 12. Operation Switch RUN
GA-4.5R/GA-4.5RA - INITIAL START-UP ENGINE/OPERATION
GA-4.5R/GA-4.5RA - INITIAL START-UP ENGINE/OPERATION
Figure 22. Idle Control Switch 2200 rpms
When the full power switch is
Connecting the Load
GA-4.5R/GA-4.5RA - PREPARATION FOR LONG -TERM STORAGE
Generator Storage
GA-4.5R/GA-4.5RA - MAINTENANCE ENGINE
Table 5. Engine Maintenance Schedule
FIRST
EVERY
GA-4.5R/GA-4.5RA - MAINTENANCE ENGINE
Cleaning the Fuel Strainer
Maintenance
ENGINEAIRCLEANER
NOTE PAGE
MQ GA-4.5R -WIRING DIAGRAM
Figure 28. Generator/Engine Wiring Diagram GA-4.5R Only
MQ GA-4.5RA -WIRING DIAGRAM
Figure 29. Generator/Engine Wiring Diagram GA-4.5RA Only
GA-4.5R/GA-4.5RA -TROUBLESHOOTING ENGINE
TABLE 6. ENGINE TROUBLESHOOTING
SYMPTOM
POSSIBLE PROBLEM
GA-4.5R/GA-4.5RA -TROUBLESHOOTING ENGINE
TABLE 6. ENGINE TROUBLESHOOTING CONTINUED
SYMPTOM
POSSIBLE PROBLEM
GA-4.5R/GA-4.5RA -TROUBLESHOOTING GENERATOR
TABLE 7. GENERATOR TROUBLESHOOTING
SYMPTOM
POSSIBLE PROBLEM
NOTE PAGE
GA-4.5R/GA-4.5RA - EXPLANATION OF CODE IN REMARKS COLUMN
NO. Column
PART NO. Column
QTY. Column
GA-4.5R/GA-4.5RA - SUGGESTED SPARE PARTS
GA-4.5R/GA-4.5RA 1 TO 3 UNITS WITH ROBIN EX270D ENGINE
1 to 3 Units
Part numbers on this
GA-4.5R/GA-4.5RA - NAME PLATE AND DECALS
NAMEPLATE AND DECALS
PART NAME
REMARKS
GA-4.5R/GA-4.5RA - NAME PLATE AND DECALS
A4511200002
GA-4.5R/GA-4.5RA - GENERATOR ASSY
GENERATOR ASSY
QTY. REMARKS
GA-4.5R/GA-4.5RA - GENERATOR ASSY
PART NAME
ITEMS W
MQ GA-4.5R - CONTROL BOX ASSY
CONTROL BOX ASSY. GA-4.5R ONLY
MQ GA-4.5R - CONTROL BOX ASSY
PART NAME
RECEPTACLE, 5-20R 125V, 20A
RECEPTACLE, L5-20R 125V, 20A
MQ GA-4.5RA - CONTROL BOX ASSY
CONTROL BOX ASSY. GA-4.5RA ONLY
MQ GA-4.5RA - CONTROL BOX ASSY
PART NAME
GA-4.5R/GA-4.5RA - PIPE FRAME ASSY
PIPE FRAME ASSY
MQ GA-4.5R/GA-4.5RA
PIPE FRAME ASSY
PART NAME
REMARKS
ROBIN EX270D20220 - CRANKCASE ASSY
CRANKCASE ASSY
ROBIN EX270D20220 - CRANKCASE ASSY
PART NAME
REMARKS
220+
ROBIN EX270D20110/EX270D20220 - CRANKSHAFT AND PISTON ASSY
CRANKSHAFT AND PISTON ASSY
REMARKS
ROBIN EX270D20110/EX270D20220 - CRANKSHAFT AND PISTON ASSY
PART NAME
ROBIN EX270D20110/EX270D20220 - GOVERNOR ASSY
GOVERNOR ASSY
ROBIN EX270D20110/EX270D20220 - GOVERNOR ASSY
PART NAME
QTY. REMARKS
BOLT AND WASHER ASSY
ROBIN EX270D20110/EX270D20220 - INTAKE AND EXHAUST ASSY
INTAKE AND EXHAUST ASSY
ROBIN EX270D20110/EX270D20220 - INTAKE AND EXHAUST ASSY
PART NAME
REMARKS
INTAKE VALVE, 28.5DX5.5DX67.8L
ROBIN EX270D20110/EX270D20220 - MUFFLER ASSY
MUFFLER ASSY
GASKET, MUFFLER 26D 9DX58P 0.2T
ROBIN EX270D20110/EX270D20220 - MUFFLER ASSY
PART NAME
ROBIN EX270D20110/EX270D20220 - AIR CLEANER ASSY
AIR CLEANER ASSY
QTY. REMARKS
ROBIN EX270D20110/EX270D20220 - AIR CLEANER ASSY
PART NAME
ROBIN EX270D20110/EX270D20220 - RECOIL STARTER ASSY
RECOIL STARTER ASSY
REMARKS
ROBIN EX270D20110/EX270D20220 - RECOIL STARTER ASSY
PART NAME
ROBIN EX270D20110/EX270D20220 - CARBURETOR ASSY
CARBURETOR ASSY
REMARKS
ROBIN EX270D20110/EX270D20220 - CARBURETOR ASSY
PART NAME
ROBIN EX270D20110/EX270D20220 - FLYWHEEL ASSY
FLYWHEEL ASSY
ROBIN EX270D20110/EX270D20220 - FLYWHEEL ASSY
PART NAME
Effective February 22, 2006 TERMS AND CONDITIONS OF SALE - PARTS
11. Credit issued will be applied to future purchasesonly
SPECIAL EXPEDITING SERVICE
2. ToobtainaReturnMaterialAuthorization
NOTE PAGE
HERES HOW TO GET HELP
PLEASE HAVE THE MODEL AND SERIAL NUMBER ON-HANDWHEN CALLING
Service Department
OPERATION AND PARTS MANUAL