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Tecumseh HM80 User Manual

Tecumseh HM80
24 pages
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Operator’s Manual
LH318XA (HM80-100)
LH358EA/LH358XA
Four-Cycle Engine • L-Head • Horizontal Crankshaft • Air-Cooled
Table of Contents
IMPORTANT NOTICE! Safety Definitions ...................................... ii
I. General Safety Precautions ........................................................... 1
II. How to Get Service ........................................................................ 3
III. Oil and Fuel Specifications ............................................................. 4
IV. Before Starting Your Engine ........................................................... 4
V. Starting Your Engine ...................................................................... 8
VI. Stopping Your Engine and Short-Term Storage ........................... 12
VII. Maintenance ................................................................................ 12
VIII. Transporting Your Engine ............................................................. 15
IX. Storing your Engine ...................................................................... 15
X. Preventing Forest, Brush and Grass Fires ................................... 17
XI. Maintenance Intervals................................................................... 18
California & US EPA Emission Control Warranty Statement ........ 20
Emission Control System Warranty ............................................. 21
XII. Warranty Information ..................................................................... 22
181-630-14
(English) 6/01/08
Register Your TecumsehPower Engine
Maintenance Tips
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Visit our web site at www.TecumsehPower.com
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Tecumseh HM80 Specifications

General IconGeneral
Fuel TypeGasoline
Cooling SystemAir-cooled
Shaft OrientationHorizontal
Governor TypeMechanical
Compression Ratio6.5:1
Power8.0 HP
Fuel SystemCarburetor
Lubrication SystemSplash
Starter TypeRecoil
WeightApproximately 25 kg (55 lbs)

Summary

IMPORTANT NOTICE!

Safety Definitions

Explains significance of words and graphics for safety.

Notice Regarding Emissions

Information on emission regulations and systems for engines.

TecumsehPower Contact Information

Provides contact details for engine service and warranty support.

I. General Safety Precautions

A. Avoid Carbon Monoxide Poisoning

Precautions to prevent injury or death from carbon monoxide.

B. Avoid Gasoline Fires

Instructions to prevent injury or death from fuel fires.

C. Adult Supervision of Operation, Refueling and Maintenance

Recommendations for adult supervision during operation and maintenance.

D. Stay Away from Rotating Parts

Warnings about rotating parts and entanglement risks.

E. DO NOT Modify Engine

Advises against modifying the engine to prevent unsafe speeds and warranty voiding.

F. Avoid Burns and Fire from Hot Surfaces

Precautions regarding hot engine parts and fire risks.

G. Avoid Accidental Starts

Steps to prevent accidental starting when working on equipment.

H. Use Hearing Protection

Recommends wearing hearing protection due to engine noise.

II. How to Get Service

A. Engine Identification Decal

Explains the engine identification decal and its importance for record keeping.

B. Technician's Handbook

Information on obtaining a handbook for advanced repairs and servicing.

III. Oil and Fuel Specifications

A. Oil

Details on required oil type, quality, viscosity, and sump capacity.

B. Fuel

Information on recommended unleaded, premium, or reformulated gasoline.

IV. Before Starting Your Engine

A. Checking Oil Level

Instructions on how to check and maintain the engine oil level before operation.

B. Filling Oil Sump

Step-by-step guide for correctly filling the engine oil sump.

C. Engine Stop Switch

Explains the function and operation of the engine stop switch.

D. Low Oil Shutdown Switch

Describes the low oil shutdown switch and its automatic engine-stopping function.

E. Low Oil Shutdown Light

Details the low oil shutdown system with a light indicator for low oil levels.

F. Low Oil Shutdown System

Explains the low oil shutdown system without a light indicator.

G. Filling Fuel Tank

Safety precautions and steps for safely filling the fuel tank.

H. Climate Guard® Air Cleaner

Information on the Climate Guard Air Cleaner and its adjustment features.

I. Moving The Inlet Air Scoop

Instructions for adjusting the air intake scoop for optimal engine operation.

I. Winter Application

How to position the air scoop for temperatures below 32°F (0°C).

II. Summer Application

How to position the air scoop for temperatures above 32°F (0°C).

V. Starting Your Engine

A. Engines with Electric Starters

Step-by-step guide for starting engines equipped with electric starters.

B. Engines with Recoil Starters

Step-by-step guide for starting engines equipped with recoil starters.

VI. Stopping Your Engine and Short-Term Storage

VII. Maintenance

A. Checking and Changing Oil

Instructions for checking and changing the engine oil, including intervals.

B. Removing Debris from Engine

How to remove debris for proper cooling, engine speed, and fire prevention.

C. Spark Plug

Guide for checking, inspecting, and replacing the spark plug, including gap settings.

D. Cleaning/Replacing Air Cleaner

Instructions for servicing foam and paper air filter elements.

III. Filter Removal/Installation

Steps for removing and installing air filter components like foam and paper elements.

E. Alternator (Optional)

Information on troubleshooting optional alternator problems and seeking service.

F. Carburetor

Guidance on carburetor adjustment and effects of altitude on engine performance.

G. Engine Speed

Warnings about modifying engine speed governor settings and voiding warranty.

H. Adjustments

Advice on engine adjustments and when to contact a service dealer.

VIII. Transporting Your Engine

IX. Storing your Engine

A. Short-Term/Seasonal Storage

Steps for cleaning the engine and preparing it for short-term storage.

II. Fuel Storage

Safety warnings and notes regarding the storage of fuel and potential hazards.

III. Fuel System

Method for treating fuel systems with stabilizer to prevent stale gas and carburetor problems.

IV. Fuel Treatment

Steps for adding fuel stabilizer to the engine for storage.

B. Extended Storage

Procedures for preparing the engine for extended storage, including fuel system care.

I. Draining Fuel

Step-by-step guide to safely drain the fuel tank for storage.

IV. Oil Cylinder Bore

Instructions for lubricating the cylinder bore with oil to prevent corrosion during storage.

X. Preventing Forest, Brush and Grass Fires

Requirements for spark arresters to prevent fires in wooded or grassy areas.

XI. Maintenance Intervals

Maintenance Schedule

Detailed table of maintenance procedures and recommended intervals for engine upkeep.

Every 100 Hours or Seasonally

Tasks to perform every 100 operating hours or seasonally, like filter replacement.

Every 200 Hours or Seasonally

Tasks to perform every 200 operating hours or seasonally, such as spark plug replacement.

XII. Warranty Information

Limited Warranty for New TecumsehPower Engines and Electronic Ignition Modules

Details the limited warranty coverage, terms, and exclusions for engines and ignition modules.

EMISSION CONTROL SYSTEM WARRANTY STATEMENT

Explains the emission control system warranty, covering specific parts and conditions.

CALIFORNIA & US EPA EMISSION CONTROL WARRANTY STATEMENT

Details the emission control warranty specific to California and US EPA regulations.

A. APPLICABILITY

Defines the applicability period and conditions for the Emission Control System warranty.

B. GENERAL EMISSIONS WARRANTY COVERAGE

Outlines the general coverage and compliance requirements for the emissions warranty.

C. THE ECS WARRANTY ONLY PERTAINS TO EMISSION-RELATED PARTS ON YOUR ENGINE AS FOLLOWS

Lists specific emission-related parts covered by the ECS warranty and their coverage terms.

LIMITED WARRANTY FOR NEW TECUMSEHPOWER ENGINES AND ELECTRONIC IGNITION MODULES (Continued)

Provides further details on warranty categories and terms for consumer and commercial use.

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