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20” Mulching Self Starter Push Mower Model 109T IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest- covered, brush-covered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting applicable local or state laws (if any).
SECTION 1: 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 this machine. Failure to comply with these instructions may result in personal injury.
20. Never operate mower without proper trail shield, discharge cover, grass catcher, blade control handle or other safety protective devices in place and working. Never operate mower with damaged safety devices. Failure to do so, can result in personal injury. 21.
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meet the original equipment specifications may lead to improper performance and compromise safety!” Mower blades are sharp and can cut. Wrap the blade or wear gloves, and use extra caution when servicing them. Keep all nuts, bolts, and screws tight to be sure the equipment is in safe working condition.
SECTION 3: UNPACKING Removing Unit From Carton • Remove staples, break glue on top flaps, or cut tape at carton end and peel along top flap to open carton. SECTION 4: ASSEMBLING YOUR LAWN MOWER This unit is shipped without gasoline or oil. IMPORTANT: Be certain to service engine with gasoline and oil as instructed in the separate engine manual before...
• The rope guide is attached to the right side of the upper handle. Loosen the wing nut which secures the rope guide. For location of the wing nut, see Figure 4. Slip rope into rope guide Rope Guide Figure 4 •...
NOTE: The safety key must be in the run position to start the mower for both systems, either the self starter or recoil starter. Start Control Button The start control button is located on the upper left side of the handle. See Figure 6. The start control button must be depressed fully while pulling the blade control handle toward upper handle for the engine to start.
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1. Check oil level and add fuel, if necessary. 2. Open shut off valve (if equipped) 1/4 turn. 3. Turn safety key 1/4 turn clockwise to RUN position. 4. Firmly push primer bulb 3 times (For a cold engine only!). 5.
SECTION 7: MAKING ADJUSTMENTS WARNING: Be sure to disconnect the spark plug wire and DE-ENERGIZE starter before performing any adjustments or repairs. DO NOT attempt any maintenance or service to the engine and/or mower equipped with the safety key in the unlocked and/or energized mode.
SECTION 8: SERVICE WARNING: Be sure to disconnect the spark plug wire and DE-ENERGIZE starter before lubricating, repairing or servicing. DO NOT attempt any maintenance or service to the engine and/or mower equipped with the safety key in the unlocked and/or energized mode.
Blade Adapter Blade Bell Support Figure 11 WARNING: Periodically inspect the blade adapter for cracks, especially if you strike a foreign object. Replace when necessary. • When sharpening the blade, follow the original angle of grind as a guide. It is extremely important that each cutting edge receives an equal amount of grinding to prevent an unbalanced blade.
SECTION 10: OFF-SEASON STORAGE The following steps should be taken to prepare lawn mower for storage. WARNING: Be sure to disconnect the spark plug wire and DE-ENERGIZE starter before performing any repairs or maintenance. DO NOT attempt any maintenance or service to the engine and/or mower equipped with the safety key in the unlocked and/or energized mode.
SECTION 11: TROUBLE SHOOTING GUIDE Trouble Possible Cause(s) Engine fails to start Blade control handle disengaged. Start control button not depressed. Spark plug wire disconnected. Safety key not in run position. Fuel tank empty, or stale fuel. Blocked fuel line. Faulty spark plug.
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Model 109T Ref. Part No. Part Description 17098 Hinge Clip 731-0872A Rear Flap 682-3025 Handle Bracket Ass’y LH 682-3024 Handle Bracket Ass’y RH 712-0431 Flange Lock Nut 3/8-16 731-1426 Hub Cap-Yellow 682-0139 Deck Assembly 753-0588 Blade Adapter Kit 736-0524A Blade Bell Support 710-1044 Hex Bolt 7/16-20 x .88”...
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MANUFACTURER’S LIMITED WARRANTY FOR: The limited warranty set forth below is given by MTD PRODUCTS INC (“MTD”) with respect to new merchan- dise purchased and used in the United States, its posses- sions and territories. MTD warrants this product against defects in material and workmanship for a period of two (2) years commencing on the date of original purchase and will, at its option, repair or replace, free of charge, any part found to be defective in...