PORTABLE AC GENERATOR
OPERATION AND PARTS MANUAL
MODEL GA4.5R/GA4.5RA
Revision #1 11/27/06
Page
NOTE PAGE
Generator Component Drawings
TABLE OF CONTENTS
GA-4.5R/GA-4.5RA - AC Portable Generators
ROBIN EX270D Engine EPA
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SAFETY MESSAGE ALERT SYMBOLS
GA-4.5R/GA-4.5RA - SAFETY MESSAGE ALERT SYMBOLS
HAZARD SYMBOLS
DANGER
CAUTION - OVER-SPEED CONDITIONS
WARNING - ROTATING PARTS
CAUTION - ACCIDENTAL STARTING
CAUTION - RESPIRATORY HAZARDS
GA-4.5R/GA-4.5RA - RULES FOR SAFE OPERATION
GENERAL SAFETY
DANGER - READTHIS MANUAL
Maintenance Safety
Power Cord Safety
Grounding Safety
GA-4.5R/GA-4.5RA - RULES FOR SAFE OPERATION
DEATH
GA-4.5R/GA-4.5RA - RULES FOR SAFE OPERATION
DANGER-ELECTROCUTION HAZARDS
Emergencies
MODEL
GA-4.5R/GA-4.5RA - SPECIFICATIONS
Table 1. Specifications
Effects of Altitude and Heat
GA-4.5R/GA-4.5RA - DIMENSIONS
Figure 1. Dimensions
Control Panel
GA-4.5R/GA-4.5RA - GENERAL INFORMATION
GA-4.5R/GA-4.5RA Familarization
Excitation System
GA-4.5R/GA-4.5RA - LOAD APPLICATION
Single Phase Load
CAUTION - ADEQUATE EXTENSION CABLE
engine problems may exist low/high RPMs. To prevent
GA-4.5R/GA-4.5RA - CONTROLS AND INDICATORS
rated 60 Hz, single phase output voltage. In addition the
Figure 2A. Generator Controls and Components
Simplified Wiring Diagram Figure 2C. Full Power Switch 120VAC Up
GA-4.5R/GA-4.5RA - CONTROLS AND INDICATORS
Figure 2D. Full Power Switch 120/240 VAC Down
SimplifiedWiring Diagram
GA-4.5R/GA-4.5RA - CONTROLS AND INDICATORS
Figure 2E. Generator Controls and Components continued
DANGER - REFUELING HAZARD
GA-4.5R/GA-4.5RA - GENERATOR REFUELING
Figure 3. Generator Refueling
Mounting
GA-4.5R/GA-4.5RA - INSTALLATION
Outdoor Installation
WARNING - LETHAL EXHAUST GASES
Connecting the Ground
GA-4.5R/GA-4.5RA - INSTALLATION
Figure 4. Generator Grounding
#12 Wire
Table 3. Cable Selection 60 Hz, Single Phase Operation
#10 Wire
GA-4.5R/GA-4.5RA - PRE-INSPECTION
DANGER - EXPLOSIVE FUEL
GA-4.5R/GA-4.5RA - PRE-INSPECTION ENGINE
Table 4. Oil Type
Before Starting
CAUTION - RECOIL STARTER
GA-4.5R/GA-4.5RA - INITIAL START-UP ENGINE
CAUTION - READ MANUAL
Figure 12. Operation Switch RUN
GA-4.5R/GA-4.5RA - INITIAL START-UP ENGINE/OPERATION
When the full power switch is
GA-4.5R/GA-4.5RA - INITIAL START-UP ENGINE/OPERATION
Figure 22. Idle Control Switch 2200 rpms
Connecting the Load
GA-4.5R/GA-4.5RA - PREPARATION FOR LONG -TERM STORAGE
Generator Storage
FIRST
GA-4.5R/GA-4.5RA - MAINTENANCE ENGINE
Table 5. Engine Maintenance Schedule
EVERY
Maintenance
GA-4.5R/GA-4.5RA - MAINTENANCE ENGINE
Cleaning the Fuel Strainer
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
SYMPTOM
GA-4.5R/GA-4.5RA -TROUBLESHOOTING ENGINE
TABLE 6. ENGINE TROUBLESHOOTING
POSSIBLE PROBLEM
SYMPTOM
GA-4.5R/GA-4.5RA -TROUBLESHOOTING ENGINE
TABLE 6. ENGINE TROUBLESHOOTING CONTINUED
POSSIBLE PROBLEM
SYMPTOM
GA-4.5R/GA-4.5RA -TROUBLESHOOTING GENERATOR
TABLE 7. GENERATOR TROUBLESHOOTING
POSSIBLE PROBLEM
NOTE PAGE
PART NO. Column
GA-4.5R/GA-4.5RA - EXPLANATION OF CODE IN REMARKS COLUMN
NO. Column
QTY. Column
1 to 3 Units
GA-4.5R/GA-4.5RA - SUGGESTED SPARE PARTS
GA-4.5R/GA-4.5RA 1 TO 3 UNITS WITH ROBIN EX270D ENGINE
Part numbers on this
GA-4.5R/GA-4.5RA - NAME PLATE AND DECALS
NAMEPLATE AND DECALS
GA-4.5R/GA-4.5RA - NAME PLATE AND DECALS
PART NAME
REMARKS
A4511200002
GA-4.5R/GA-4.5RA - GENERATOR ASSY
GENERATOR ASSY
PART NAME
QTY. REMARKS
GA-4.5R/GA-4.5RA - GENERATOR ASSY
ITEMS W
MQ GA-4.5R - CONTROL BOX ASSY
CONTROL BOX ASSY. GA-4.5R ONLY
RECEPTACLE, 5-20R 125V, 20A
MQ GA-4.5R - CONTROL BOX ASSY
PART NAME
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
PART NAME
MQ GA-4.5R/GA-4.5RA
PIPE FRAME ASSY
REMARKS
ROBIN EX270D20220 - CRANKCASE ASSY
CRANKCASE ASSY
REMARKS
ROBIN EX270D20220 - CRANKCASE ASSY
PART NAME
220+
ROBIN EX270D20110/EX270D20220 - CRANKSHAFT AND PISTON ASSY
CRANKSHAFT AND PISTON ASSY
PART NAME
ROBIN EX270D20110/EX270D20220 - CRANKSHAFT AND PISTON ASSY
REMARKS
ROBIN EX270D20110/EX270D20220 - GOVERNOR ASSY
GOVERNOR ASSY
QTY. REMARKS
ROBIN EX270D20110/EX270D20220 - GOVERNOR ASSY
PART NAME
BOLT AND WASHER ASSY
ROBIN EX270D20110/EX270D20220 - INTAKE AND EXHAUST ASSY
INTAKE AND EXHAUST ASSY
REMARKS
ROBIN EX270D20110/EX270D20220 - INTAKE AND EXHAUST ASSY
PART NAME
INTAKE VALVE, 28.5DX5.5DX67.8L
ROBIN EX270D20110/EX270D20220 - MUFFLER ASSY
MUFFLER ASSY
PART NAME
ROBIN EX270D20110/EX270D20220 - MUFFLER ASSY
GASKET, MUFFLER 26D 9DX58P 0.2T
ROBIN EX270D20110/EX270D20220 - AIR CLEANER ASSY
AIR CLEANER ASSY
PART NAME
ROBIN EX270D20110/EX270D20220 - AIR CLEANER ASSY
QTY. REMARKS
ROBIN EX270D20110/EX270D20220 - RECOIL STARTER ASSY
RECOIL STARTER ASSY
PART NAME
ROBIN EX270D20110/EX270D20220 - RECOIL STARTER ASSY
REMARKS
ROBIN EX270D20110/EX270D20220 - CARBURETOR ASSY
CARBURETOR ASSY
PART NAME
ROBIN EX270D20110/EX270D20220 - CARBURETOR ASSY
REMARKS
ROBIN EX270D20110/EX270D20220 - FLYWHEEL ASSY
FLYWHEEL ASSY
ROBIN EX270D20110/EX270D20220 - FLYWHEEL ASSY
PART NAME
SPECIAL EXPEDITING SERVICE
Effective February 22, 2006 TERMS AND CONDITIONS OF SALE - PARTS
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NOTE PAGE
Service Department
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OPERATION AND PARTS MANUAL