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Tecumseh TH098SA User Manual

Tecumseh TH098SA
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Basic
Troubleshooting and
Service Information
TECUMSEH
another free manual from www.searstractormanuals.com
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Tecumseh TH098SA Specifications

General IconGeneral
Lubrication SystemSplash
Governor TypeMechanical
RotationCounterclockwise (from PTO side)
Engine Type4-stroke, air-cooled, OHV
Displacement98 cm³
CarburetorFloat Type
Starting SystemRecoil

Summary

Tecumseh Contact Information

General Safety Precautions

Avoid Carbon Monoxide Poisoning

Hazards of carbon monoxide and preventative measures for engine operation.

Avoid Gasoline Fires

Risks of gasoline fires and instructions for safe handling and storage.

Adult Supervision of Operation, Refueling and Maintenance

Recommendations for adult supervision of engine use, refueling, and maintenance.

Stay Away from Rotating Parts

Dangers of rotating engine parts and importance of guards for safety.

General Information

Locating and Reading Engine Model and Specification

Guidance on finding and recording engine model and specification numbers for parts lookup.

Model Numbering System for Tecumseh's Full Engine Line

Prior to 2004 Production

Explanation of the engine model numbering system used before the 2004 production year.

Model Numbering System for Current Tecumseh's Full Engine Line

Reviewing The Engine ID Label

How to interpret information on the engine I.D. label for models from 2004 onwards.

Model Numbering Identification for Tecumseh's Full Engine Line

CURRENT CODE (effective 2004 production)

Explanation of the current engine model numbering code effective from 2004.

Prior to 2004 Model Number Conversion Chart

A chart for converting engine model numbers from before 2004.

Spark Plug Replacement

4-CYCLE SPARK PLUG

Service numbers and specifications for 4-cycle engine spark plugs.

Service Number Cross-Reference

Cross-reference table for service numbers to Champion and Autolite spark plugs.

Spark Plug Replacement - 2-Cycle and Europa Models

2-CYCLE SPARK PLUG

Service numbers and specifications for 2-cycle engine spark plugs.

EUROPA MODELS

Spark plug recommendations for Europa model engines.

Fuel Recommendations

GASOLINE

Recommended gasoline types and specifications for Tecumseh engines.

SPECIALTY FUELS

Considerations for using specialty fuels in small engines.

SHORT TERM STORAGE

Guidelines for storing engines with fuel for short periods.

Fuel Recommendations - continued

EXTENDED STORAGE

Procedures for preparing engines for extended storage, including fuel management.

FUEL ADDITIVES

Information on approved fuel additives and their proper usage.

Tecumseh 4-Cycle Lubrication Requirements

Tecumseh Recommended Oil Usage

Chart showing recommended oil types and viscosities based on temperature.

4-CYCLE ENGINE OIL (shown with model names prior to 2004)

Engine oil capacities for models manufactured before 2004.

4-CYCLE ENGINE OIL (shown with model names 2004 production and later)

Engine oil capacities for models manufactured from 2004 onwards.

Four Cycle Troubleshooting

Preparation

Steps to take before beginning troubleshooting, including safety and tool preparation.

FUEL SYSTEM - Engine Will Not Start

Troubleshooting guide for engines that will not start, focusing on the fuel system.

Four Cycle Troubleshooting - continued

IGNITION SYSTEM - Engine Will Not Start

Troubleshooting guide for ignition system issues when the engine will not start.

Tecumseh 2-Cycle Engine Oil Requirements

TWO-CYCLE FUEL/OIL MIX RATIOS

Recommended fuel to oil mix ratios for various 2-cycle engine models.

ENGINE OIL WITH FUEL STABILIZER

Information on 2-cycle engine oil with fuel stabilizer and its benefits.

Two Cycle Troubleshooting

Preparation

Steps for preparing to troubleshoot 2-cycle engine problems, including safety precautions.

FUEL SYSTEM - Engine Will Not Start

Troubleshooting flow chart for 2-cycle engines that fail to start due to fuel system issues.

Two Cycle Troubleshooting - continued

IGNITION SYSTEM - Engine Will Not Start

Troubleshooting flow chart for ignition system problems causing a 2-cycle engine not to start.

Cross Reference for Specification - To - Model Number Designation

VERTICAL 4-CYCLE ENGINES

Chart to find engine model numbers using specification numbers for vertical 4-cycle engines.

Cross Reference for Specification - To - Model Number Designation

HORIZONTAL 4-CYCLE ENGINES

Chart to find engine model numbers using specification numbers for horizontal 4-cycle engines.

VERTICAL 2-CYCLE ENGINES

Chart to find engine model numbers using specification numbers for vertical 2-cycle engines.

HORIZONTAL 2-CYCLE ENGINES

Chart to find engine model numbers using specification numbers for horizontal 2-cycle engines.

Tecumseh and Peerless® Model and Specification Numbers

RIGHT ANGLE DRIVES

Diagrams and series identification for Right Angle Drives.

TRANSAXLES

Diagrams and series identification for various Transaxle models.

Various Styles of Identification Used On Tecumseh and Peerless Transmission, Transaxle and Gear Products

Basic Gear Drive Troubleshooting

Preparation

Steps for preparing to troubleshoot gear drive systems, including safety and workspace setup.

Hard Shifting Transaxles and Drive Belts

Diagnosing hard shifting issues related to transaxles and drive belts.

Basic Gear Drive Troubleshooting - continued

Hard shifting with the engine off could be caused by:

Common causes of hard shifting when the engine is not running.

Unit seems to slip:

Troubleshooting steps for units experiencing slippage issues.

Tecumseh and Peerless Transmission, Transaxle and Gear Products

Preparation

Steps for preparing to troubleshoot transmission, transaxle, and gear products.

Tecumseh LTH-2000 Series Hydrostatic Transaxle Troubleshooting

REDUCED POWER

Troubleshooting symptoms and corrective actions for reduced power in LTH-2000 series.

DIFFICULT TO SHIFT

Troubleshooting symptoms and corrective actions for shifting difficulties in LTH-2000 series.

Tecumseh LTH-2000 Series Transaxle Troubleshooting - continued

UNIT IS NOISY

Troubleshooting symptoms and corrective actions for noisy LTH-2000 series transaxles.

DOES NOT DRIVE

Troubleshooting symptoms and corrective actions when the LTH-2000 series does not drive.

BRAKE NOT WORKING

Troubleshooting symptoms and corrective actions for brake system failures in LTH-2000 series.

LEAKING LUBRICANT

Troubleshooting symptoms and corrective actions for lubricant leaks in LTH-2000 series.

1800 / VST Troubleshooting

To properly test the unit for power loss.

Procedure for testing unit power loss, including grade slope test.

To determine if the problem is with the hydro unit, all external problem possibilities must be eliminated.

Steps to eliminate external issues before diagnosing hydro unit problems.

Tecumseh and Peerless® Lubrication Requirements

TRANSAXLES

Lubrication quantity and type for Tecumseh and Peerless transaxle models.

TRANSMISSION

Lubrication quantity and type for Tecumseh transmission models.

RIGHT ANGLE AND T-DRIVES

Lubrication quantity and type for Right Angle and T-Drive models.

HYDROSTATIC TRANSAXLES and TRANSMISSIONS

Lubrication requirements for hydrostatic transaxles and transmissions.

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