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