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Operator's Manual
21" Mulching Mower
Model 546
Warning:
This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-cov-
ered, 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
769-00987.fm
PRINTED IN U.S.A.
Form No.
(11/2003)
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Table of Contents
Related Manuals for Troy-Bilt 546
Summary of Contents for Troy-Bilt 546
- Page 1 Operator’s Manual 21” Mulching Mower Model 546 Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-cov- ered, 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
Operating Your Lawn Mower Making Adjustments 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: 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
immediately and the blade will stop rotating within three seconds. 9. Mow in daylight or good artificial light; walk, not run. 10. Stop the blade when crossing gravel drives, walkways or roads. 11. If the equipment should start to vibrate abnormally, stop the engine and check immediately for the cause. - Page 5 10. Never over fill fuel tank. Fill tank to no more than ½ inch below bottom of filler neck to provide space for fuel expansion. 11. Replace gasoline cap and tighten securely. 12. If gasoline is spilled, wipe it off the engine and equipment.
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Page 6: 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: Assembling Your Lawn Mower
Carriage Wing Nut shown here. Bolt Before Assembly • Before setting up your lawn mower, disconnect the spark plug wire from the spark plug. See Figure 1. Spark Plug Wire Spark Plug Figure 1 NOTE: Reference to right or left hand side of the mower is observed from the operating position. -
Page 8: Assembling Grass Catcher
• Fasten the cable to the lower handle with the two cable ties found on the lower handle. Pull the cable ties tight and trim off the excess. See Figure 5. Cable Tie Lower Handle Figure 5 NOTE: Your mower is shipped with the handle in the higher position. -
Page 9: Know Your Lawn Mower
Figure 10 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: Operating Your Lawn Mower
Keeping a firm grip on the starter handle, let the rope rewind slowly. WARNING: Be sure no one other than the operator is standing near the lawn mower while starting engine or operating mower. WARNING: Never run engine indoors or in enclosed, poorly ventilated areas. -
Page 11: Making Adjustments
Mulching For effective mulching, do not cut wet grass. New or thick grass may require a narrower cut. If the grass has grown in excess of 4”, mulching is not recommended. Mow using the side discharge to reduce the grass height to 3.25”... -
Page 12: Maintaining Your Lawn Mower
• Disconnect spark plug wire. Drain the gasoline from the lawn mower, or place a piece of plastic under the gas cap. • Tip the mower so that it rests on the housing. Keep the side with the air cleaner facing up. -
Page 13: Troubleshooting
• Attach the new flap and new rod to deck, bending the ends of the new rod over to secure to deck. Storing Your Lawn Mower The following steps should be taken to prepare your lawn mower for storage. •... -
Page 14: Illustrated Parts List
SECTION 10: PARTS LIST FOR MODEL 546 21 20... - Page 15 Model 546 Ref. Part No. Part Description 749-1092A Upper Handle 747-1161A Control Handle 731-04204 Deluxe Bail Cover 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 746-1130 Control Cable 40”...
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Page 16: Warranty
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” 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.