MTD 139 cc OHV Operator'S Manual Download Page 2

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Table of Contents

This manual covers the operation and maintenance of your 
engine. All information in this publication is based on the latest 
product information available at the time of printing.

No part of this publication may be reproduced without written 
permission.

This manual should be considered a permanent part of the 
engine and should remain with it if it is resold.

This Operator’s Manual is an important part of your new engine. It will help you prepare and maintain the unit for best 
performance. Please read and understand what it says. 

Safe Operation Practices .........................................3
Operating the Engine ...............................................5
Maintaining the Engine ............................................8
Illustrated Parts .......................................................12
Emission Control System Warranty Statement .......16

Pay special attention to safety messages and notes printed in 
this manual and on the engine itself. A safety message alerts 
you to potential hazards that could hurt you or others.

WARNING: Indicates a strong possibility of 
severe personal injury or death if instructions 
are not followed. Each safety message is 
preceded by a safety symbol.

NOTE: Gives helpful information.

IMPORTANT: Indicates a possibility of equip-
ment or property damage if instructions are 
not followed.

WARNING: The engine is designed to give safe and dependable service if operated according to instructions. Read 
and understand the Operator’s Manual before operating the engine. Failure to do so could result in personal injury or 
equipment damage.

This Operator’s Manual may cover a range of engine models. Characteristics and features discussed and/or illustrated in this manual may not be 
applicable to all engine models. MTD LLC reserves the right to change product specifications, designs, and equipment without notice and without 
incurring obligation.

Visit www.mtdcanada.ca or call a Customer Support Representative at 1-800-668-1238.

Customer Support

Summary of Contents for 139 cc OHV

Page 1: ...g READ SAFETY RULES AND INSTRUCTIONS CAREFULLY BEFORE OPERATION IMPORTANT PRINTED IN U S A MTD Products Ltd P O Box 1386 KITCHENER ONTARIO N2G 4J1 139cc and 173cc Vertical Shaft OHV Engines for Walk B...

Page 2: ...ge alerts you to potential hazards that could hurt you or others WARNING Indicates a strong possibility of severe personal injury or death if instructions are not followed Each safety message is prece...

Page 3: ...ally return to the disengaged position when released 18 Never operate the mower in wet grass Always be sure of your footing A slip and fall can cause serious personal injury If you feel you are losing...

Page 4: ...odorless and deadly gas 2 Before cleaning repairing or inspecting make certain the blade and all moving parts have stopped Disconnect the spark plug wire and ground against the engine to prevent unint...

Page 5: ...d shorten the engine s service life Check Oil Level IMPORTANT Be sure to check the engine on a level surface with the engine stopped 1 Remove the oil filler cap and wipe the dipstick clean See Figure...

Page 6: ...y before starting the engine Avoid repeated or prolonged contact with skin or breathing of vapor Check Fuel Level 1 Clean around fuel fill before removing cap to fuel 2 Fill tank to approximately 2 cm...

Page 7: ...t then pull rapidly to overcome compression prevent kickback and start engine Repeat if necessary See Figure 3 5 Do not allow the starter grip to snap back against the engine Return it gently to preve...

Page 8: ...More frequent service is required when operating in adverse conditions Maintenance Schedule Service more frequently when used in dusty areas Every season or 25 hours if operating under heavy load or...

Page 9: ...park plug removed To ensure proper engine operation the spark plug must be properly gapped and free of deposits 1 Remove the spark plug boot and use a spark plug wrench to remove the plug See Figure 4...

Page 10: ...ass and debris from around engine under finger guard and under around and behind muffler Touch up any damaged paint and coat other areas that may rust with a light film of oil 5 Store in a clean dry a...

Page 11: ...11 NOTES For parts and or accessories refer to customer support on page 2 Adressez vous au Service apr s vente la page 2 pour ce qui concerne les pi ces et ou accessoires...

Page 12: ...12 2P70M0A 173cc Engine Moteur Models with electric start Mod les avec d marraur lectrique 29 26 28 14 17 10 11 18 20 15 13 21 30 9 3 8 7 1 2 19 6 5 4 12 27 31 32 22 23 16 25 24...

Page 13: ...carburant 20 951 10300 Fuel Cap Assembly Bouchon d essence 21 951 10299 Recoil Starter Assembly D marreur lanceur 22 951 10298 Air Cleaner Kit Filtre air 23 951 10297 Air Cleaner Thumb Screw Vis de s...

Page 14: ...14 1P70MC 173cc Engine Moteur Models without electric start Mod les sans d marraur lectrique 14 29 31 24 20 30 19 18 29 15 13 11 10 12 27 22 23 16 6 5 4 21 3 2 9 8 7 1 25 28 17 26...

Page 15: ...358 Fuel Filter Filtre carburant 20 951 10440 Fuel Cap Assembly Bouchon d essence 21 951 10299 Recoil Starter Assembly D marreur lanceur 22 951 10298 Air Cleaner Kit Filtre air 23 951 10297 Air Cleane...

Page 16: ...gines This section applies to 1995 and later small off road engines The warranty period begins on the date the engine or equipment is delivered to an ultimate purchaser a General Emissions Warranty Co...

Page 17: ...to the owner Such use will not reduce the warranty obligations of MTD 10 Add on or modified parts that are not exempted by the Air Resources Board may not be used The use of any non exempted add on or...

Page 18: ...18 NOTES For parts and or accessories refer to customer support on page 2 Adressez vous au Service apr s vente la page 2 pour ce qui concerne les pi ces et ou accessoires...

Page 19: ...19 NOTES For parts and or accessories refer to customer support on page 2 Adressez vous au Service apr s vente la page 2 pour ce qui concerne les pi ces et ou accessoires...

Page 20: ...e non exempt e sera suffisant pour rejeter une demande d application de la garantie en vertu de cet article Le fabricant du moteur ne sera pas tenu en vertu de cet article de garantir les pi ces garan...

Page 21: ...LA GARANTIE DES PETITS MOTEURS HORS ROUTE FABRIQU S EN 1995 ET ULT RIEUREMENT Cette section concerne les petits moteurs hors route fabriqu s en 1995 et ult rieurement La p riode de garantie commence...

Page 22: ...11 NOTES For parts and or accessories refer to customer support on page 2 Adressez vous au Service apr s vente la page 2 pour ce qui concerne les pi ces et ou accessoires...

Page 23: ...iner l essence L emploi d un tuyau d arrosage ou d un quipement de lavage sous pression peut aussi forcer l eau dans le filtre air ou dans l ouverture du silen cieux la faire p n trer dans le cylindre...

Page 24: ...cher l air com pl tement avant de l utiliser nouveau Ne huilez pas la cartouche en mousse Entretien de la bougie AVERTISSEMENT Ne v rifiez pas le fonctionnement de la bou gie si celle ci est d branch...

Page 25: ...ons difficiles Calendrier des op rations d entretien effectuer plus souvent dans des conditions de travail poussi reuses Chaque saison d utilisation ou toutes les 25 heures d utilisation dans des cond...

Page 26: ...sistance puis tirez plus rapidement pour surmonter la compression emp ch er le recul et faire d marrer le moteur R p tez au besoin Voir la Figure 3 4 IMPORTANT Ne laissez pas la poign e du d marreur f...

Page 27: ...sez le r servoir jusqu environ 2 cm en des sous de la base du goulot pour permettre l expansion du carburant Faites attention de ne pas d border IMPORTANT Laissez le moteur refroidir pendant au moins...

Page 28: ...ot de remplis sage de l huile sans la visser 3 Si le niveau d huile est bas ajoutez lentement de l huile jusqu la limite sup rieure sur la jauge Voir la Figure 3 3 4 Vissez la jauge huile fond avant d...

Page 29: ...reux 2 Avant de nettoyer de r parer ou d examiner la machine v rifiez que la lame et toutes les pi ces mobiles se sont immobilis es D branchez le fil de la bougie et mettez le la terre contre le moteu...

Page 30: ...stimez que vous perdez votre quilibre l cher la poign e de commande de la lame imm diatement et la lame arr tera de tourner dans trois secondes 19 Utilisez la tondeuse seulement dans la lumi re du jou...

Page 31: ...cette notice ou sur le moteur m me Une consigne de s curit vous avertit de risques potentiels qui pourraient vous blesser ou blesser d autres personnes AVERTISSEMENT Il indique une forte possibilit de...

Page 32: ...ANT D UTILISER LA MACHINE IMPORTANT VEUILLEZ LIRE ATTENTIVEMENT LES CONSIGNES IMPRIM AUX TAT UNIS MTD Products Ltd P O Box 1386 KITCHENER ONTARIO N2G 4J1 Moteur de 173 cm 3 et 173 cm 3 arbre vertical...

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