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TABLE OF CONTENTS
(by subject)
GENERAL INFORMATION
Page
Engine Identification ................................................................................................1-1
Interpretation of Engine Identification ......................................................................1-1
Short Blocks ............................................................................................................1-2
Fuels........................................................................................................................1-2
Engine Oil ................................................................................................................1-3
Basic Tune-Up Procedure .......................................................................................1-4
Storage....................................................................................................................1-4
AIR CLEANERS
General Information.................................................................................................2-1
Operation.................................................................................................................2-1
Components ............................................................................................................2-1
Troubleshooting and Testing....................................................................................2-1
Service.....................................................................................................................2-2
CARBURETORS AND FUEL SYSTEMS
General Information.................................................................................................3-1
Float Style Carburetors............................................................................................3-1
Operational Circuits Series 7 Carburetor.................................................................3-1
Testing .....................................................................................................................3-3
Carburetor Disassembly Procedure ........................................................................3-5
Inspection ................................................................................................................3-7
Carburetor Re-Assembly .........................................................................................3-7
Throttle Shaft and Plate...................................................................................3-7
Choke Shaft and Plate.....................................................................................3-8
Fuel Bowl Assembly ........................................................................................3-8
Impulse Fuel Pumps................................................................................................3-9
Impulse Fuel Pump Service...........................................................................3-10
GOVERNORS AND LINKAGE
General Information.................................................................................................4-1
Operation.................................................................................................................4-1
Troubleshooting.......................................................................................................4-1
Engine Speed Adjustments .....................................................................................4-1
Engine Overspeed...........................................................................................4-2
Engine Surging ................................................................................................4-2
Governor Service
Static Adjustment - Governor ..........................................................................4-2
Governor Gear and Shaft Service ...................................................................4-3
Governor Shaft Replacement ..........................................................................4-3
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