MODEL GA4.5R/GA4.5RA
OPERATION AND PARTS MANUAL
PORTABLE AC GENERATOR
Revision #1 11/27/06
Page
NOTE PAGE
GA-4.5R/GA-4.5RA - AC Portable Generators
TABLE OF CONTENTS
Generator Component Drawings
ROBIN EX270D Engine EPA
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PARTS ORDERING PROCEDURES
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HAZARD SYMBOLS
GA-4.5R/GA-4.5RA - SAFETY MESSAGE ALERT SYMBOLS
SAFETY MESSAGE ALERT SYMBOLS
DANGER
CAUTION - ACCIDENTAL STARTING
WARNING - ROTATING PARTS
CAUTION - OVER-SPEED CONDITIONS
CAUTION - RESPIRATORY HAZARDS
GA-4.5R/GA-4.5RA - RULES FOR SAFE OPERATION
GENERAL SAFETY
DANGER - READTHIS MANUAL
Grounding Safety
Power Cord Safety
Maintenance Safety
GA-4.5R/GA-4.5RA - RULES FOR SAFE OPERATION
DANGER-ELECTROCUTION HAZARDS
GA-4.5R/GA-4.5RA - RULES FOR SAFE OPERATION
DEATH
Emergencies
Table 1. Specifications
GA-4.5R/GA-4.5RA - SPECIFICATIONS
MODEL
Effects of Altitude and Heat
Figure 1. Dimensions
GA-4.5R/GA-4.5RA - DIMENSIONS
GA-4.5R/GA-4.5RA Familarization
GA-4.5R/GA-4.5RA - GENERAL INFORMATION
Control Panel
Excitation System
GA-4.5R/GA-4.5RA - LOAD APPLICATION
Single Phase Load
CAUTION - ADEQUATE EXTENSION CABLE
rated 60 Hz, single phase output voltage. In addition the
GA-4.5R/GA-4.5RA - CONTROLS AND INDICATORS
engine problems may exist low/high RPMs. To prevent
Figure 2A. Generator Controls and Components
Figure 2D. Full Power Switch 120/240 VAC Down
GA-4.5R/GA-4.5RA - CONTROLS AND INDICATORS
Simplified Wiring Diagram Figure 2C. Full Power Switch 120VAC Up
SimplifiedWiring Diagram
Figure 2E. Generator Controls and Components continued
GA-4.5R/GA-4.5RA - CONTROLS AND INDICATORS
DANGER - REFUELING HAZARD
GA-4.5R/GA-4.5RA - GENERATOR REFUELING
Figure 3. Generator Refueling
Outdoor Installation
GA-4.5R/GA-4.5RA - INSTALLATION
Mounting
WARNING - LETHAL EXHAUST GASES
Connecting the Ground
GA-4.5R/GA-4.5RA - INSTALLATION
Figure 4. Generator Grounding
#10 Wire
Table 3. Cable Selection 60 Hz, Single Phase Operation
#12 Wire
GA-4.5R/GA-4.5RA - PRE-INSPECTION
Table 4. Oil Type
GA-4.5R/GA-4.5RA - PRE-INSPECTION ENGINE
DANGER - EXPLOSIVE FUEL
Before Starting
CAUTION - READ MANUAL
GA-4.5R/GA-4.5RA - INITIAL START-UP ENGINE
CAUTION - RECOIL STARTER
Figure 12. Operation Switch RUN
GA-4.5R/GA-4.5RA - INITIAL START-UP ENGINE/OPERATION
Figure 22. Idle Control Switch 2200 rpms
GA-4.5R/GA-4.5RA - INITIAL START-UP ENGINE/OPERATION
When the full power switch is
Connecting the Load
Generator Storage
GA-4.5R/GA-4.5RA - PREPARATION FOR LONG -TERM STORAGE
Table 5. Engine Maintenance Schedule
GA-4.5R/GA-4.5RA - MAINTENANCE ENGINE
FIRST
EVERY
Cleaning the Fuel Strainer
GA-4.5R/GA-4.5RA - MAINTENANCE ENGINE
Maintenance
ENGINEAIRCLEANER
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
TABLE 6. ENGINE TROUBLESHOOTING
GA-4.5R/GA-4.5RA -TROUBLESHOOTING ENGINE
SYMPTOM
POSSIBLE PROBLEM
TABLE 6. ENGINE TROUBLESHOOTING CONTINUED
GA-4.5R/GA-4.5RA -TROUBLESHOOTING ENGINE
SYMPTOM
POSSIBLE PROBLEM
TABLE 7. GENERATOR TROUBLESHOOTING
GA-4.5R/GA-4.5RA -TROUBLESHOOTING GENERATOR
SYMPTOM
POSSIBLE PROBLEM
NOTE PAGE
NO. Column
GA-4.5R/GA-4.5RA - EXPLANATION OF CODE IN REMARKS COLUMN
PART NO. Column
QTY. Column
GA-4.5R/GA-4.5RA 1 TO 3 UNITS WITH ROBIN EX270D ENGINE
GA-4.5R/GA-4.5RA - SUGGESTED SPARE PARTS
1 to 3 Units
Part numbers on this
NAMEPLATE AND DECALS
GA-4.5R/GA-4.5RA - NAME PLATE AND DECALS
REMARKS
PART NAME
GA-4.5R/GA-4.5RA - NAME PLATE AND DECALS
A4511200002
GENERATOR ASSY
GA-4.5R/GA-4.5RA - GENERATOR ASSY
GA-4.5R/GA-4.5RA - GENERATOR ASSY
QTY. REMARKS
PART NAME
ITEMS W
CONTROL BOX ASSY. GA-4.5R ONLY
MQ GA-4.5R - CONTROL BOX ASSY
PART NAME
MQ GA-4.5R - CONTROL BOX ASSY
RECEPTACLE, 5-20R 125V, 20A
RECEPTACLE, L5-20R 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
PIPE FRAME ASSY
MQ GA-4.5R/GA-4.5RA
PART NAME
REMARKS
CRANKCASE ASSY
ROBIN EX270D20220 - CRANKCASE ASSY
PART NAME
ROBIN EX270D20220 - CRANKCASE ASSY
REMARKS
220+
CRANKSHAFT AND PISTON ASSY
ROBIN EX270D20110/EX270D20220 - CRANKSHAFT AND PISTON ASSY
PART NAME
ROBIN EX270D20110/EX270D20220 - CRANKSHAFT AND PISTON ASSY
REMARKS
GOVERNOR ASSY
ROBIN EX270D20110/EX270D20220 - GOVERNOR ASSY
PART NAME
ROBIN EX270D20110/EX270D20220 - GOVERNOR ASSY
QTY. REMARKS
BOLT AND WASHER ASSY
INTAKE AND EXHAUST ASSY
ROBIN EX270D20110/EX270D20220 - INTAKE AND EXHAUST ASSY
PART NAME
ROBIN EX270D20110/EX270D20220 - INTAKE AND EXHAUST ASSY
REMARKS
INTAKE VALVE, 28.5DX5.5DX67.8L
MUFFLER ASSY
ROBIN EX270D20110/EX270D20220 - MUFFLER ASSY
PART NAME
ROBIN EX270D20110/EX270D20220 - MUFFLER ASSY
GASKET, MUFFLER 26D 9DX58P 0.2T
AIR CLEANER ASSY
ROBIN EX270D20110/EX270D20220 - AIR CLEANER ASSY
PART NAME
ROBIN EX270D20110/EX270D20220 - AIR CLEANER ASSY
QTY. REMARKS
RECOIL STARTER ASSY
ROBIN EX270D20110/EX270D20220 - RECOIL STARTER ASSY
PART NAME
ROBIN EX270D20110/EX270D20220 - RECOIL STARTER ASSY
REMARKS
CARBURETOR ASSY
ROBIN EX270D20110/EX270D20220 - CARBURETOR ASSY
PART NAME
ROBIN EX270D20110/EX270D20220 - CARBURETOR ASSY
REMARKS
FLYWHEEL ASSY
ROBIN EX270D20110/EX270D20220 - FLYWHEEL ASSY
PART NAME
ROBIN EX270D20110/EX270D20220 - FLYWHEEL ASSY
11. Credit issued will be applied to future purchasesonly
Effective February 22, 2006 TERMS AND CONDITIONS OF SALE - PARTS
SPECIAL EXPEDITING SERVICE
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OPERATION AND PARTS MANUAL