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MTD 44M Series Operator's Manual

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Safety • Set-Up • Adjustments • Operation • Maintenance • Troubleshooting • Warranty • Parts Lists
OPERATOR'S MANUAL
21" Self-Propelled Rotary Mower — Model Series 44M-46M
IMPORTANT:
READ SAFETY RULES AND INSTRUCTIONS
CAREFULLY BEFORE OPERATING EQUIPMENT.
PRINTED IN U.S.A.
MTD Products Ltd., P. O. Box 1386, KITCHENER, ONTARIO N2G 4J1
769-02981
12/15/06

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  • Page 1 Safety • Set-Up • Adjustments • Operation • Maintenance • Troubleshooting • Warranty • Parts Lists OPERATOR’S MANUAL 21” Self-Propelled Rotary Mower — Model Series 44M-46M IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY BEFORE OPERATING EQUIPMENT. 769-02981 MTD Products Ltd., P. O. Box 1386, KITCHENER, ONTARIO N2G 4J1 12/15/06 PRINTED IN U.S.A.

  • Page 2: Table Of Contents

    This Operator’s Manual is an important part of your new equipment. It will help you assemble, prepare and maintain the unit for best performance. Please read and understand what it says. Table of Contents Slope Gauge............3 Engine Safe Operation Practices ....14 Safe Operation Practices ........

  • Page 3: Slope Gauge

    Use this page as a guide to determine slopes where you may not operate safely. Do not operate your lawn mower on such slopes. Slope Gauge WARNING Do not mow on inclines with a slope in excess of 15 degrees (a rise of approximately 2-1/2 feet every 10 feet).

  • Page 4: Safe Operation Practices

    WARNING: Engine Exhaust, some of its constituents, and certain vehicle components contain or emit chemicals known to State of California to cause cancer and birth defects or other reproduc- tive harm. DANGER: This machine was built to be operated according to the rules for safe operation in this manual. As with any type of power equipment, carelessness or error on the part of the operator can result in serious injury.

  • Page 5: Operation

    8. Never fuel machine indoors because flammable vapors will accumulate in the area. 1. Mow across the face of slopes; never up and down. Exercise extreme caution when changing direction on 9. Never remove gas cap or add fuel while the engine is slopes.
  • Page 6 NOTE: This owner’s manual covers various models of lawnmowers. The units illustrated may vary slightly from your unit. Follow only those instructions which pertain to your model lawnmower. 1. Remove loose parts and any packing material which may be between upper and lower handles. Pull up and back on the upper handle to raise the handle into the operating position. See Figure 3-1. Setup and b. Tighten star knobs securing upper handle to Adjustments lower handle. Make sure that each carriage bolt is seated properly in the handle. 2. Place one carriage bolt (found in the hardware pack included with your unit) in the upper hole of the right handle mounting bracket from the inside outward. See...
  • Page 7 6. To assemble the grasscatcher: a. Place bag over frame (black plastic side is the bottom of bag.) Insert the hooks on the frame through the holes in the side plastic channels of the bag. See Figure 3-6. b. Secure bag to frame by working the plastic chan- Setup and nels on bag over frame as shown in Figure 3-6. All of the plastic channels except center top of bag Adjustments attach from the outside of bag. Center top of bag attaches from the inside of bag. 7. Attaching Grass Catcher to Mower a. Lift the rear discharge door on the mower, and place the grass catcher on the pivot rod. Let go of discharge door so that it rests on the grass catcher. See Figure 3-7. NOTE: Make certain WARNING: Never operate mower bag is turned right side Figure 3-5 unless the hooks on the grass out before assembling (warning label will be on catcher are firmly seated on the the outside).

  • Page 8: Know Your Lawn Mower

    Know Your Lawn Mower Blade Control Handle Drive Control Handle Choke Button Operating Your Lawn Recoil Starter Mower Side Discharge (optional) WARNING Mulching Plug Height Adjustment (optional) Levers Read, understand, and follow all instruc- Figure 4-1 tions and warnings Gas and Oil Fill-Up Blade Control Handle on the machine and The blade control handle is located on the upper handle...

  • Page 9: Starting Engine

    Starting Engine WARNING: Be sure no one other than the operator is standing near the lawn mower while starting engine or operat- ing mower. Never run engine indoors or in enclosed, poorly ventilated areas. Operating Engine exhaust contains carbon monoxide, an odorless and deadly Your Lawn gas.
  • Page 10 Rear Flap Replacement The rear flap is attached to the back of the mower deck, and is designed to minimize the possibility that objects will be thrown from the rear of the mower toward the operator. If the rear flap becomes damaged, replace as follows. Lubricate these Maintenance 1. To remove the old rear flap, lift rear door, and press points before flap in on either side to remove from hole. reassembly. 2. Remove flap from opposite hole and replace with new flap following these steps in reverse order. Blade Care Periodically inspect the blade adapter for cracks, especially if you strike a foreign object. Replace when necessary. Follow the steps below for blade service: 1. Remove the bolt and the blade bell support which WARNING hold the blade and the blade adapter to the engine crankshaft. See Figure 5-2. Figure 5-1 2. Remove blade and adapter from the crankshaft. Always stop engine, Lubrication 3. The blade may be resharpened by removing it and disconnect spark 1. Lubricate the pivot points on the blade control handle either grinding or filing the cutting edge keeping as plug, and ground...
  • Page 11 6 Before reassembling the blade and the blade adapter to the unit, lubricate the engine crankshaft and the inner surface of the blade adapter with light oil. 7. Install the blade adapter on the crankshaft with the “star” away from the engine. See Figure 5-2. Place the blade with the side marked “bottom” (or with part Maintenance number) facing away from the adapter. Align the blade bell support over the blade with the tabs in the holes of the blade and insert the hex bolt. 8. Tighten the hex bolt to the torque listed below: Blade Mounting Torque Center Bolt 450 in. lb. min., 600 in.lb. max. To insure safe operation of your unit, ALL nuts and bolts must be checked periodically for correct tightness. Belt Care WARNING 1. Remove two shoulder screws securing front drive cover to mower deck. See Figure 5-3. Press inward on Figure 5-2 sides of front drive cover and release tabs that secure When removing the it to the height adjuster brackets. Remove drive cover cutting blade or belt, from mower. protect your hands 2. Loosen screw holding belt tension spring to transmis- with a pair of heavy sion. See Figure 5-3 inset. Do not remove screw...

  • Page 12: Trouble Shooting

    Problem Cause Remedy 1. Blade control handle disengaged. 1. Engage blade control handle. Engine fails to start 2. Spark plug wire disconnected. 2. Connect wire to spark plug. 3. Fill tank with clean, fresh gasoline. 3. Fuel tank empty or stale fuel. 4.

  • Page 13: Safety Labels

    Safety Labels CS00074 MADE IN CANADA FABRIQUÉ AU CANADA 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 at- tempting to operate this machine.

  • Page 14: Engine Safe Operation Practices

    WARNING: Gasoline and its vapors are extremely flammable and explosive. Fire or explosion can cause severe burns or death. If gasoline is spilled on yourself or your clothes, wash your skin and change clothes immediately. Gasoline and its vapors are •...

  • Page 15: Engine Operation

    Running engine produces heat. • Tie up long hair and remove jewelry. Engine parts, especially muffler, • Do not wear loose-fitting clothing, dangling draw- strings or items that could become caught. become extremely hot. Severe thermal burns can occur on contact.

  • Page 16: Air Cleaner

    Know Your Engine Fuel Cap Air Cleaner Operating Starter Grip Your Engine Oil Fill Cap Oil Drain Muffler Spark Plug Figure -1 - The major components of the engine. The shroud on your engine may differ. IMPORTANT Read this section before starting your lawn mower engine. Compare the illustrations in Figure 2 with your lawn mower This engine is shipped engine to familiarize yourself with the location of various controls and adjustments.
  • Page 17 2. Insert the dipstick into the oil filler neck, but do not screw it in. 3. If the level is low, slowly add oil to the upper limit on the dipstick. See Figure 9-3 inset. 4. Tighten dipstick firmly before starting engine. IMPORTANT: Do not overfill. Overfilling with oil may Operating cause smoking, hard starting, spark plug fouling, or oil saturation of air cleaner. Your Fuel Recommendations Engine Use automotive gasoline (Unleaded or lowleaded to minimize combustion chamber deposits). Never use an oil/gasoline mixture or dirty gasoline. Avoid getting dirt, dust, or water in the fuel tank. WARNING: Gasoline is extremely flam- mable and is explosive under certain conditions. Figure 9-3 Refuel in a well-ventilated area with the engine stopped.

  • Page 18: Maintenance Schedule

    WARNING: Shut off the engine before Periodic inspection and adjustment of the engine is performing any maintenance. To essential if high level performance is to be maintained. prevent accidental start-up, disconnect Regular maintenance will also ensure a long service life. the spark plug boot.
  • Page 19 IMPORTANT: Used motor oil may cause skin cancer if repeatedly left in contact with the skin for prolonged periods. Although this is unlikely unless you handle used oil on a daily basis, it is still advisable to thoroughly wash your hands with soap and water as soon as possible after handling used oil.

  • Page 20: Removing From Storage

    Storage Engines stored over 30 days need to be drained of fuel to prevent deterioration and gum from forming in fuel system or on essential carburetor parts. If the gasoline in your engine deteriorates during storage, you may need to have the carburetor, and other fuel system components, Maintaining serviced or replaced.
  • Page 21 NOTES: For parts and/or accessories refer to customer support on page 2. Adressez-vous au «Service après-vente» à la page 2 pour ce qui concerne les pièces et/ou accessoires.
  • Page 22 Engine/Moteur 1P0FUA...

  • Page 23: Parts List

    Ref. Part No./ No./ No. de Description Désignation Réf. pièce 951-10368 Fuel Tank Réservoir d’essence 951-10369 Flywheel Shroud Déflecteur à volant Parts List 951-10335 Rubber Fuel Tank Mounting Washer Rondelle de montage du réservoir en caoutchouc Pièces 951-10334 Oil Filler Tube Assembly Tube du filtre à...
  • Page 25 PART N° DE N° DE RÉF PIÈCE DE SCRIP TION DE SCRIP TION 747-1214 Drive Con trol Han dle Poignée de commande d’embrayage de l’entraînement 710-0599 Hex Wash S-Tapp Scr Vis autotaraudeuse à rondelle hex. Parts List 1/4-20 x .50 1/4-20 x 0,50 736-0270 Cupped Washer .265 ID...
  • Page 26 Écrou à embase 1/4-20 Qual. F ny lon 746-04239A Cable - Choke 38" lg. (w/MTD OHV) Câble du volant 38 po de lg. (avec MTD OHV) 687-02271 RH Han dle Bracket As sembly Ensemble de sup port du guidon CD...

  • Page 27: Warranty

    Damage resulting from the installation or use of any part, accessory or attachment not approved by MTD for use with the product(s) covered by this manual will void your warranty as to any resulting damage.

  • Page 28: Emission Control System Warranty Statement

    (Owner’s Defect Warranty Rights and Obligations) The U. S. EPA and MTD are pleased to explain the emissions control system warranty on your model year 2005 and later small off-road engine. New small off-road engines must be designed, built and equipped to meet the stringent anti-smog standards. 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 29 7. The engine manufacturer is liable for damages to other engine components proximately caused by a failure under warranty of any warranted part. 8. Throughout the engine’s warranty period defined in Subsection (a)(2), MTD will maintain a supply of warranted parts sufficient to meet the expected demand for such parts.

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