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Download service manual Tecumseh 4 Cycle OHV Engines
This manual covers the following model(s):
OHH50 65
OHHSK50 130
OHV11 - OHV17
OVM120
OVRM40-675
OVRM120
OVXL/C120
OVXL120
OVXL125.
We only sell original manuals; the quality of the files is exceptionally good. When you print the file, the pictures are of good quality and very bright. WE DO NOT SELL ANY COPIED MANUALS, ONLY THE ORIGINAL!!!!
In this manual you have the following chapters:
CHAPTER 1 GENERAL INFORMATION
ENGINE IDENTIFICATION
INTERPRETATION OF MODEL NUMBER
SHORT BLOCKS
FUELS
ENGINE OIL
CAPACITIES
OIL CHANGE INTERVALS
OIL CHECK
OIL CHANGE PROCEDURE
TUNE-UP PROCEDURE
STORAGE
DRAINING THE FUEL SYSTEM
OIL CYLINDER BORE
CHAPTER 2 AIR CLEANERS
GENERAL INFORMATION
OPERATION
COMPONENTS
TROUBLESHOOTING OR TESTING
SERVICE
DISASSEMBLY PROCEDURE
POLYURETHANE-TYPE FILTER ELEMENT
OR PRE-CLEANER
PAPER -TYPE FILTER ELEMENT
FLOCKED SCREEN
CHAPTER 3 CARBURETORS AND FUEL SYSTEMS
GENERAL INFORMATION
OPERATION
FUEL PRIMERS
IMPULSE FUEL PUMPS
FLOAT STYLE CARBURETORS
CARBURETOR VISUAL IDENTIFICATION
SERIES I CARBURETORS
SERIES III & SERIES IV CARBURETORS
SERIES VI CARBURETORS
SERIES VII
SERIES VIII
SERIES IX
WALBRO MODEL LMK
TESTING
SERVICE
CARBURETOR PRE-SETS AND ADJUSTMENTS
PRE-SETS AND ADJUSTMENTS
(TECUMSEH AND WALBRO CARBURETORS)
FINAL ADJUSTMENTS
TECUMSEH CARBURETORS
WALBRO CARBURETOR
CARBURETOR DISASSEMBLY PROCEDURE
IMPULSE FUEL PUMP
FLOAT ADJUSTING PROCEDURE
INSPECTION
THROTTLE AND CHOKE
IDLE AND HIGH SPEED MIXTURE ADJUSTING
SCREW
FUEL BOWL RETAINING NUT
FUEL BOWL, FLOAT, NEEDLE AND SEAT
ASSEMBLY PROCEDURE
WELCH PLUGS
THROTTLE SHAFT AND PLATE
CHOKE SHAFT AND PLATE
FUEL INLET FITTING
HIGH AND LOW SPEED ADJUSTING SCREW,
MAIN NOZZLE
INLET NEEDLE AND SEAT
FLOAT INSTALLATION
FUEL BOWL AND BOWL NUT
IMPULSE FUEL PUMP
PRIMER BULB
FINAL CHECKS
CHAPTER 4 GOVERNORS AND LINKAGE
GENERAL INFORMATION
OPERATION
TROUBLESHOOTING
ENGINE OVERSPEEDING
ENGINE SURGING
SERVICE
GOVERNOR ADJUSTMENT
GOVERNOR GEAR AND SHAFT SERVICE
GOVERNOR GEAR OR SHAFT REPLACEMENT,
UPSET STYLE GOVERNOR SHAFT
GOVERNOR SHAFT REPLACEMENT, RETAINING
RING STYLE
SPEED CONTROLS AND LINKAGE
CONVERSION TO REMOTE CONTROL
OVM, OVXL, OHV VERTICAL SPEED CONTROL
OHV 11-17 HORIZONTAL SPEED CONTROL
CHAPTER 5 RECOIL STARTERS
GENERAL INFORMATION
OPERATION
COMPONENTS
SERVICE
ROPE SERVICE
ROPE RETAINER REPLACEMENT
STYLIZED REWIND STARTER (OHH, OVRM, OHM,
OHSK, OVM, OVXL, OHV 11-13), AND STAMPED
STEEL STARTER
DISASSEMBLY PROCEDURE
ASSEMBLY PROCEDURE
STYLIZED REWIND STARTER WITH PLASTIC
RETAINER
DISASSEMBLY PROCEDURE
ASSEMBLY
KEEPER SPRING STYLE STARTERS
DISASSEMBLY PROCEDURE
ASSEMBLY PROCEDURE
STYLIZED STARTER (OHV 13
ASSEMBLY
CHAPTER 6 ELECTRICAL SYSTEMS
GENERAL INFORMATION
OPERATION
STARTING CIRCUIT AND ELECTRIC STARTERS
CHARGING CIRCUIT
CONVERTING ALTERNATING CURRENT TO
DIRECT CURRENT
HALF WAVE RECTIFIER SINGLE DIODE
FULL WAVE RECTIFIER BRIDGE RECTIFIER
COMPONENTS
BATTERY
WIRING
ELECTRICAL TERMS
BASIC CHECKS
TROUBLESHOOTING ELECTRICAL STARTER
CIRCUIT FLOW CHART
TROUBLESHOOTING ELECTRICAL CHARGING
CIRCUIT FLOW CHART
TESTING PROCEDURE
STARTING CIRCUIT
CHARGING CIRCUIT
350 MILLIAMP CHARGING SYSTEM
18 WATT A
35 WATT A
2
3 AMP DC ALTERNATOR SYSTEM - DIODE IN
HARNESS SLEEVE
5 AMP D
REGULATOR-RECTIFIER UNDER BLOWER
HOUSING
3 AMP D
MODELS OVM/OVXL/OHV12
MODELS OHV 13
MODELS OVM/OVXL/OHV12
(RED BETWEEN ENGINE AND DIODE)
MODELS OHV 13
(RED BETWEEN ENGINE AND DIODE)
7 AMP D
REGULATOR-RECTIFIER UNDER ENGINE
HOUSING
10 AMP A
16 AMP ALTERNATOR SYSTEM WITH EXTERNAL
REGULATOR
VOLTAGE REGULATORS
FUEL SHUT-DOWN SOLENOIDS
LOW OIL SHUTDOWN SWITCHES
LOW OIL PRESSURE SENSOR
LOW OIL SENSOR
ELECTRIC STARTER SERVICE
12 VOLT OR 120 VOLT ELECTRIC STARTERS
INSPECTION AND REPAIR
BRUSH CARD REPLACEMENT
CHAPTER 7 FLYWHEEL BRAKE SYSTEMS
GENERAL INFORMATION
OPERATION
COMPONENTS
SERVICE
BRAKE BRACKET ASSEMBLY
IGNITION GROUNDOUT TERMINAL
STARTER INTERLOCK SWITCH
CONTROL CABLE
BRAKE BRACKET REPLACEMENT
CHAPTER 8 IGNITION
GENERAL INFORMATION
OPERATION
SOLID STATE IGNITION SYSTEM (CDI)
COMPONENTS
TESTING PROCEDURE
FOUR CYCLE IGNITION TROUBLESHOOTING
SERVICE
SPARK PLUG SERVICE
CONDITIONS CAUSING FREQUENT SPARK
PLUG FOULING
IGNITION TIMING CHECK
SERVICE TIPS
CHAPTER 9 INTERNAL ENGINE AND CYLINDER
GENERAL INFORMATION
OPERATION
4-CYCLE ENGINE THEORY
LUBRICATION SYSTEMS
COUNTERBALANCE SYSTEMS
COMPONENTS
ENGINE OPERATION PROBLEMS
ENGINE OPERATION PROBLEMS
TESTING
ENGINE KNOCKS
ENGINE OVERHEATS
SURGES OR RUNS UNEVENLY
ENGINE MISFIRES
ENGINE VIBRATES EXCESSIVELY
BREATHER PASSING OIL
EXCESSIVE OIL CONSUMPTION
LACKS POWER
SERVICE
DISASSEMBLY PROCEDURE
CYLINDERS
CYLINDER HEAD AND VALVE TRAIN SERVICE
VALVES, SPRINGS, AND PUSH RODS
PISTONS, RINGS, AND CONNECTING RODS
PISTON
PISTON RINGS
PISTON RING ORIENTATION
CONNECTING RODS
CRANKSHAFTS AND CAMSHAFTS
CAMSHAFTS
VALVE SEATS
VALVE LIFTERS
VALVE GUIDES
VALVE GUIDE REMOVAL (OVM, OHM, OHSK110
& 120, OVXL ONLY)
VALVE GUIDE INSTALLATION (OVM, OHM,
OHSK110 & 120, OVXL ONLY)
CRANKCASE BREATHERS
TOP MOUNTED BREATHER
SIDE MOUNTED BREATHER
CYLINDER COVER, OIL SEAL, AND BEARING
SERVICE
CYLINDER COVER
OIL SEAL SERVICE
CRANKSHAFT BEARING SERVICE
BALL BEARING SERVICE
SERVICE BUSHING
BUSHING SIZE CHART
ENGINE ASSEMBLY
CHAPTER 10
ENGINE SPECIFICATIONS AND SEARS
CRAFTSMAN CROSS-REFERENCE
OVERHEAD VALVE SEARS CRAFTSMAN
CROSS REFERENCE
ENGINE SPECIFICATIONS
OVERHEAD VALVE TORQUE SPECIFICATIONS
OVERHEAD VALVE TORQUE SPECIFICATIONS
CHAPTER 11 EDUCATIONAL MATERIALS
AND TOOLS
Language: english
Format: PDF
Pages: 94
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