MTD 170-TOA Operator's Manual
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MTD 170-TOA Operator's Manual

208cc ohv horizontal shaft engine
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Table of Contents

Safe Operation Practices • Set-Up • Operation • Maintenance • Troubleshooting • Warranty
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208cc OHV Horizontal Shaft Engine — Model 170-TOA
WARNING
READ AND FOLLOW ALL SAFETY RULES AND INSTRUCTIONS IN THIS MANUAL
BEFORE ATTEMPTING TO OPERATE THIS MACHINE.
FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.
P. O. Box 1386, 97 KENT AVENUE, KITCHENER, ON N2G 4J1
Printed In USA
769-05835A
02.19.10

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Summary of Contents for MTD 170-TOA

  • Page 1 ’ nginE pEratOr anual 208cc OHV Horizontal Shaft Engine — Model 170-TOA WARNING READ AND FOLLOW ALL SAFETY RULES AND INSTRUCTIONS IN THIS MANUAL BEFORE ATTEMPTING TO OPERATE THIS MACHINE. FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.

  • Page 2: Table Of Contents

    Choose from the options below: ◊ Visit our web at www.mtdcanada.ca ◊ Locate your nearest dealer from Customer Support: 1-800-668-1238 ◊ Contact MTD CANADA • P.O. Box 1386 • 97 Kent Avenue • Kitchener, Ontario, Canada • N2G 4J1...

  • Page 3: Safe Operation Practices

    Important Safe Operation Practices WARNING! This symbol points out important safety instructions which, if not followed, could endanger the personal safety and/or property of yourself and others. Read and follow all instructions in this manual before attempting to operate the equipment. Failure to comply with these instructions may result in personal injury.
  • Page 4 Maintenance & Storage Never fuel equipment indoors because flammable vapors will accumulate in the area. Keep the engine in safe working order Extinguish all cigarettes, cigars, pipes, and other Allow the engine to cool at least five minutes before sources of ignition. storing.

  • Page 5: Safety Labels

    SAFETY LABEL This label warns you of potential hazards that can cause serious injury. Read it carefully. Refer to illustration below for explanation of each symbol. If label(s) comes off or becomes hard to read, contact the dealer for replacement. International Safety Symbols and Meanings WARNING! Your Responsibility —...

  • Page 6: Set-Up

    Set-Up Gas & Oil Checking Oil Level NOTE: Be sure to check the oil while on a level surface with the NOTE: The engine is shipped without gasoline or oil in the engine stopped. engine. Running the engine with insufficient oil can cause serious engine damage and void the engine warranty.
  • Page 7 Fuel Recommendations Use automotive gasoline (unleaded or low leaded to minimize combustion chamber deposits) with a minimum of 87 octane. Gasoline with up to 10% ethanol or 15% MTBE (Methyl Tertiary Butyl Ether) can be used. Never use an oil/gasoline mixture or dirty gasoline.

  • Page 8: Controls & Features

    Controls and Features Muffler Air Filter Oil Filler Cap/Dipstick Fuel Fill Cap Throttle Spark Plug Spark Choke Plug Boot Right-Side View Starter handle Oil Drain Figure 4-1 Throttle Oil Filler Cap & Dipstick Remove the oil cap to check the oil level and add oil. Fuel Fill Cap The throttle control regulates the speed of the engine and will shut off the engine when it is moved into the stop position,...

  • Page 9: Operation

    Operation Pre-Operation Check The engine is shipped without gasoline or oil in the engine. See the Set-Up Section of this manual for instructions on adding oil and gasoline. Starting the Engine WARNING! Always keep hands and feet clear of moving parts. Do not use a pressurized starting fluid.

  • Page 10: Maintenance & Adjustments

    Maintenance Maintenance Schedule Each Use or Every Season Every Season Every Season Service First 5 Hours Every 5 Hrs. or 25 Hours or 50 Hours or 100 Hours Dates Check Engine Oil Level Change Engine Oil Check Air Cleaner Service Air Cleaner Check Spark Plug Replace Spark Plug Clean Engine Shroud...
  • Page 11 Remove drain plug and allow oil to drain into a suitable Press the tab on the air filter cover and lift the cover. See container. See Fig. 6-1. Fig. 6-2. Replace paper element when dirty or damaged. Clean foam element or replace when damaged. Foam Element Air Filter...
  • Page 12 Cleaning the Engine WARNING! If the engine has been running, the muffler will be very hot. Be careful not to touch the If the engine has been running, allow it to cool for at least half muffler. an hour before cleaning. Periodically remove dirt build-up from the engine.

  • Page 13: Troubleshooting

    Troubleshooting Problem Cause Remedy Engine Fails to start Engine flooded Wait at least 10 minutes before starting Spark plug wire disconnected Connect wire to spark plug Fuel tank empty or stale fuel Fill tank with clean, fresh gasoline Engine not choked Choke engine Faulty spark plug Clean, adjust gap or replace...

  • Page 14: Emission Control System Warranty Statement

    Elsewhere in the United States, new non-road, spark-ignition engines certified for model 2005 and later, must meet similar standards set forth by the U. S. EPA. MTD must warranty the emission control system on your engine for the period of time listed below, provided there has been no abuse, neglect or improper maintenance of your small off-road engine.
  • Page 15 4. Repair or replacement of any warranted part under the warranty provisions of this article must be performed at no charge to the owner at a warranty station. 5. Notwithstanding the provisions of Subsection (4) above, warranty services or repairs must be provided at all MTD distribution centers that are franchised to service the subject engines.

  • Page 16: Illustrated Parts Lists

    Engine Model/ Modèle de moteur - 170-T0A...
  • Page 17 Engine Model/ Modèle de moteur - 170-T0A Ref. No./ Part No./ Réf. No. de pièce Description Désignation 710-04917 Bolt Boulon 951-11054A Valve Cover Couvercle du soupape 731-07059 Breather Hose Tuyau 726-04101 Breather Hose Clamp Collier 951-11565 Valve Cover Gasket Joint de cache-soupape 751-11124 Nut, Pivot Locking Écrou...
  • Page 18 Engine Model/ Modèle de moteur - 170-T0A Ref. No./ Part No./ Réf. No. de pièce Description Désignation 710-04932 Bolt Boulon 951-11577 O-Ring Bague en «O» 951-11578 Oil Seal Joint d’huile 736-04440 Oil Drain Plug Washer Rondelle - bouchon d’huile 710-04906 Oil Drain Plug Bouchon d’huile 951-10792...
  • Page 19 Engine Model/ Modèle de moteur - 170-T0A Ref. No./ Part No./ Réf. No. de pièce Description Désignation — 951-10798A Short Block Bloc moteur embiellé 951-11565 Valve Cover Gasket Joint de couvercle du soupape — Exhaust Pipe Gasket Joint 751-11567 Carburetor Insulator Gasket Joint d’isolateur du carburateur 951-11568 Carburetor Insulator...
  • Page 20 Engine Model/ Modèle de moteur - 170-T0A Ref. No./ Part No./ Réf. No. de pièce Description Désignation — 951-10799 Cylinder Head Assembly Culasse 951-11565 Valve Cover Gasket Joint - Couvercle de cache-soupapes 751-11123 Valve Adjusting Nut Écrou — Rocker Arm Bras 710-04902 Rocker Arm Stud...
  • Page 21 Engine Model/ Modèle de moteur - 170-T0A Ref. No./ Part No./ Réf. No. de pièce Description Désignation 951-10797 Carburetor Assembly Carburateur 951-11177 Choke Control Lever Levier de commande d’étrangleur — Choke Shaft Arbre d’étrangleur — Choke Plate Plaque d’étrangleur — Throttle Shaft Arbre d’accélérateur —...
  • Page 22 Engine Model/ Modèle de moteur - 170-T0A Ref. No./ Part No./ Réf. No. de pièce Description Désignation — 951-10647 Valve Kit Kit de soupape — Exhaust Valve Soupape échappement — Intake Valve Soupape admission — 951-10655 Dipstick Assembly Ensemble de jauge d’huile —...
  • Page 23 Notes...
  • Page 24 Notes...

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