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Operator's Manual
21" Mulching Mower
Model Series 544
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). If a spark arrester is used, it should be maintained in effective working order by the operator.
In the State of California the above is required by law (Section 4442 of the California Public Resources Code). Other states may have
similar laws. Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest engine authorized
service dealer or contact the service department, P.O. Box 361131 Cleveland, Ohio 44136-0019.
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
PRINTED IN U.S.A.
769-00447A.fm
FORM NO.
(12/02)
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Summary of Contents for Bolens Series 544
- Page 1 Operator’s Manual 21” Mulching Mower Model Series 544 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).
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Page 2: Table Of Contents
Troubleshooting ... 15 Parts List... 16 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. Before you start assembling your new equipment, please locate the model plate on the equipment and copy the information from it in the space provided below. -
Page 3: Section 1: Important Safe Operation Practices
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. -
Page 4: Slope Operation
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. 9. Never operate mower without proper trail shield, discharge cover, grass catcher, blade control handle or other safety protective devices in place and working. - Page 5 WARNING - YOUR RESPONSIBILITY: understand and follow the warnings and instructions in this manual and on the machine. NOTE: Not all safety labels shown may apply to your lawn mower. 7. After striking a foreign object, stop the engine, disconnect the spark plug wire and ground against the engine.
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Page 6: Section 2: Slope Gauge
SECTION 2: 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. -
Page 7: Section 3: Assembling Your Lawn Mower
Side Discharge Chute • Rear Wheels • Hardware Pack Disconnecting Spark Plug Wire Before setting up your lawn mower, disconnect the spark plug wire from the spark plug and ground against the engine. See Figure 1. Bolt Spark Plug Wire... -
Page 8: Grass Catcher Assembly
Attaching Rear Wheels • Remove hardware from hardware pack. • Insert shoulder screw through wave washer, flat washer, rear wheel, and spring washer. • Secure shoulder screw with hardware to rear pivot bar. See Figure 5. Spring Washer Wave Washer Shoulder Screw Flat Washer... -
Page 9: Converting To Side Discharge
SECTION 4: KNOW YOUR LAWN MOWER Read this operator’s manual and safety rules before operating your lawn mower. Compare the illustration in Figure 10 with your lawn mower to familiarize yourself with the location of various controls and adjustments. Save this manual for future reference. -
Page 10: Section 5: Operating Your Lawn Mower
• Prime engine as instructed in the separate engine manual packed with your unit. • Your lawn mower may be equipped with a constant speed throttle, which is set at full throttle for best performance. • Stand behind the mower and squeeze the blade control handle against the upper handle. -
Page 11: Section 6: Making Adjustments
SECTION 6: MAKING ADJUSTMENTS WARNING: Do not at any time make any adjustments without first stopping engine and disconnecting spark plug wire. Handle Height Adjustment Your mower is shipped with the handle in the higher height position. To lower the height proceed as follows: •... -
Page 12: Section 7: Maintaining Your Lawn Mower
Always observe safety rules when performing any maintenance. • The warranty on this lawn mower does not cover items that have been subjected to operator abuse or negligence. To receive full value from the warranty, operator must maintain the lawn mower as instructed in this manual. -
Page 13: Maintenance
Lubrication Always stop engine and disconnect spark plug wire before cleaning, lubricating or doing any kind of service work on the lawn mower. Blade Control: Lubricate the pivot points on the blade control handle and the brake cable at least once a season with light oil. -
Page 14: Storing Your Lawn Mower
600 in. lbs. max. NOTE: To ensure safe operation of your mower, the blade bolt must be checked periodically for correct torque. Storing your Lawn Mower The following steps should be taken to prepare your lawn mower for storage. •... -
Page 15: Section 8: Troubleshooting
SECTION 8: TROUBLESHOOTING Problem Engine fails to start 1. Blade control handle disengaged. 2. Spark plug wire disconnected. 3. Fuel tank empty or stale fuel. 4. Blocked fuel line. 5. Faulty spark plug. 6. Engine flooded Engine runs erratic 1. Spark plug wire loose. 2. -
Page 16: Parts List
Model Series 544... - Page 17 Model Series 544 Ref. Part No. Part Description 749-1092A Upper Handle 747-1161A Control Handle 720-0279 Handle Knob 710-1205 Rope Guide 710-1174 Carriage Bolt 5/16-18 x 2” 736-0451 Shoulder Washer.320 ID x.930 OD 720-0284 Wing Nut 749-0928A Lower Handle 746-0957 Control Cable 37.25”...
- Page 18 NOTES...
- Page 19 NOTES...
- Page 20 MANUFACTURER’S LIMITED WARRANTY FOR: The limited warranty set forth below is given by Troy-Bilt LLC with respect to new merchandise purchased and used in the United States, its possessions and territories. Troy-Bilt LLC warrants this product against defects 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...
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