Safety • Assembly • Operation • Tips & Techniques • Maintenance • Troubleshooting • Parts Lists • Warranty OPERATOR’S MANUAL 20” Mulching Push Lawn Mower — Model 109 IMPORTANT READ SAFETY RULES AND INSTRUCTIONS CAREFULLY BEFORE OPERATION Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-covered, brushcovered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting applicable local or state law
This Operator’s Manual is an important part of your new lawn mower. 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 Safe Operation Practices ................................... 4 Setup and Adjustment ....................................... 6 Operating Your Lawn Mower .............................. 8 Maintaining Your Lawn Mower .....................
Use this page as a guide to determine slopes where you may not operate safely. Do not operate your lawn mower on such slopes. 1 Slope Gauge ������������������������������������������������� ��� ��������������� ���������������������������� �� �� � � � � � ����� �� � � � � � ������ � � � � ���� ���� � � � � � ��� 3 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). A riding mower could overturn and cause serious injury.
2 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. When you see this symbol.
19. Shut the engine off and wait until the blade comes to a complete stop before removing the grass catcher or unclogging the chute. The cutting blade continues to rotate for a few seconds after the engine is shut off. Never place any part of the body in the blade area until you are sure the blade has stopped rotating. 20. Never operate mower without proper trail shield, discharge cover, grass catcher, blade control handle or other safety protective devices in place and working.
3 IMPORTANT: This unit is shipped without gasoline or oil in the engine. Fill up gasoline and oil as instructed in the accompanying engine manual BEFORE operating your mower. A Setup and Adjustment NOTE: Reference to right or left side of the mower is observed from the operating position. B Handle Setup 1. Perform the following sequence for handle setup a. Lift the upper handle up from folded position and pull it to extended position (A) following the arrow in Step 1.
3 4. Insert post on cable ties into holes provided on the lower handle. Pull cable tie tight and trim excess. See Step 4 illustration. Wheel Height Adjustment 5. Each wheel has a height adjustment lever to change the cutting height of the mower. Depress height adjustment lever towards the wheel and slide lever to desired position for a change in cutting height. See Step 5 illustration. Setup and Adjustment Converting To Side Discharge 6. Your mower has been shipped as a mulcher.
4 Know Your Lawn Mower Blade Control Handle Operating Your Lawn Mower Recoil Starter Gas Cap Height Adjustment Lever (front and rear) Chute Deflector WARNING This blade control mechanism is a safety device. Never attempt to bypass its operations. Use extreme care when handling gasoline. Gasoline is extremely flammable and the vapors are explosive. Never fuel the machine indoors or while the engine is hot or running. Extinguish cigarettes, cigars, pipes and other sources of ignition.
Stopping Engine WARNING: The operation of any lawn mower can result in foreign objects being thrown into the eyes, which can damage your eyes severely. Always wear safety glasses while operating the mower, or while performing any adjustments or repairs on it. 1. Release blade control handle to stop the engine and the blade. WARNING: The blade continues to rotate for a few seconds after the engine is shut off. Do not touch the blade in any way while it is still rotating. Starting Engine 2.
5 WARNING: Always stop engine, disconnect spark plug, and ground against engine before cleaning, lubricating or doing any kind of maintenance on your machine. Lubricate these Points Lubrication Maintaining Your Lawn Mower 1. Lubricate pivot points on the blade control handle at least once a season with light oil. The blade control must operate freely in both directions. See Figure 3. 2. Lubricate the wheels at least once a season with light oil (or motor oil).
Blade Care WARNING: When removing the cutting blade for sharpening or replacement, protect your hands with a pair of heavy gloves or use a heavy rag to hold the blade. 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. Disconnect spark plug wire from spark plug. Turn mower on its side making sure that the air filter and the carburetor are up. 2.
6 Engine fails to start Trouble Shooting 1. 2. 3. 4. 1. Spark plug wire loose. 2. Blocked fuel line or stale fuel. 1. 2. 3. 4. Engage blade control. Connect wire to spark plug. Fill tank with clean, fresh gasoline. Choke engine as instructed in the “Operating Your Lawn Mower” section. 5. Clean, adjust gap, or replace. 6. Clean fuel line. 7. Wait a few minutes to restart, but do not prime. Vent in gas cap plugged. Water or dirt in fuel system. Dirty air cleaner. Carburetor out of adjustment. 1.
7 Safety Labels WARNING ������������������������������������ � � � � �� � � � � � � � � � ������������������� ������� �� � � � � � � � � � � � � � � � � �� � � � � � � �� � � � � � �� � �� � ��� � � � � �� � � � � � � � � �� � ��� ������� ����������������������������� �� ������ � � � � � � � � � � � � � � � � �� � � � � � � � � ��� � � � � �� � � � � � � ��������������������������������� � ������������������������������ � �������������������� � � ���������������������������������� � ����������� �������
23 35 1 6 13 10 7 8 11 16 14 15 9 39 17 12 34 27 19 26 32 33 22 19 25 20 20 38 25 21 40 37 26 22 37 5 24 28 3 29 31 4 18 36 14
Part No. Description 24 731-0982A Hubcap: Radial Spoke Gray Saddle Washer 25 738-0507B Shoulder Bolt 736-0524B Blade Bell Support 26 687-02077A Pivot Arm Assembly - RH Front 4 710-1044 Hex Bolt 5 747-0710 Hinge Pin 6 749-1092A Upper Handle 7 710-1205 Rope Guide 8 710-1174 Carriage Bolt 9 749-0928A Lower Handle 10 720-0279 Wing Nut 11 720-04072 Star Knob 12 714-0104 Hairpin Clip 13 746-0957 Control Cable 37.
MANUFACTURER’S LIMITED WARRANTY FOR The limited warranty set forth below is given by Cub Cadet LLC with respect to new merchandise purchased and used in the United States, its possessions and territories. e. f. “Cub Cadet” 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 materials or workmanship.