Yard Machines 540 Series Operator's Manual
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Yard Machines 540 Series Operator's Manual

Yard Machines 540 Series Operator's Manual

21” rear & side discharge mulching mower
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See also: Operator's Manual
Operator's Manual
21" Rear & Side
Discharge Mulching
Mower
Model Series
540
IMPORTANT: Read safety rules and instructions carefully before operating equipment.
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 368022 Cleveland, Ohio 44136-9722.
MTD PRODUCTS INC. P.O. BOX 368022 CLEVELAND, OHIO 44136-9722
PRINTED IN U.S.A.
FORM NO. 770-10019A.FM
(10/99)

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Summary of Contents for Yard Machines 540 Series

  • Page 1 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 368022 Cleveland, Ohio 44136-9722. MTD PRODUCTS INC. P.O. BOX 368022 CLEVELAND, OHIO 44136-9722 PRINTED IN U.S.A.

  • Page 2: Table Of Contents

    Troubleshooting ... 14 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: Important Safe Operation Practices

    DANGER: Your lawn mower 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. This lawn mower is capable of amputating hands and feet and throwing objects.

  • Page 4: Slope Operation

    • Mow only in daylight or good artificial light. • Stop the blade when crossing gravel drives, walks or roads. • If the equipment should start to vibrate abnormally, stop the engine and check immediately for the cause. Vibration is generally a warning of trouble. •...
  • Page 5 • Never attempt to make a wheel or cutting height adjustment while the engine is running. • Grass catcher components are subject to wear, damage and deterioration, which could expose moving parts or allow objects to be thrown. For safety protection, frequently check components and replace with manufacturer’s recommended parts, when necessary.

  • Page 6: Slope Gauge

    SECTION 2: SLOPE GAUGE Use this page as a guide to determine slopes where you may not operate the lawn mower safely.

  • Page 7: Assembling Your Lawn Mower

    2. Funnel Disconnect Spark Plug Wire • Before setting up your lawn mower, disconnect the spark plug wire from the spark plug, and ground it against the engine. See Figure 1. NOTE: On engines with a rubber boot, attach rubber boot to a bolt on the engine to ground.

  • Page 8: Attaching Grass Catcher To Mower

    • The rope guide is attached to the right side of upper handle. Loosen the wing nut which secures the rope guide. See Figure 4. • With spark plug wire disconnected and grounded, hold the blade control handle against the upper handle, and pull the starter rope out of the engine.

  • Page 9: Know Your Lawn Mower

    SECTION 4: KNOW YOUR LAWN MOWER Compare the illustration in Figure 9 with your lawn mower to familiarize yourself with the location of various controls and adjustments. WARNING: The operation of any lawn mower can result in foreign objects being thrown into the eyes, which can result in severe eye damage.

  • Page 10: Operating Your Lawm Mower

    • Be sure that lawn is clear of stones, sticks, wire, or other objects which could damage lawn mower or engine. Such objects could be accidentally thrown by the mower in any direction and cause serious personal injury to the operator and others.

  • Page 11: Making Adjustments

    Throttle Control • If your lawn mower engine is equipped with a throttle control that needs adjustment or if it has been replaced, proceed as follows. Note that engines with fixed throttle cannot be adjusted.

  • Page 12: Maintaining Your Lawn Mower

    Figure 11. Reassemble, placing the bottom holes in the handle over the weld pins in the handle mounting bracket. SECTION 7: MAINTAINING YOUR LAWN MOWER Deck Care NOTE: We do not recommend the use of pressure washers or garden hose to clean your unit.These may cause damage to electric components, spindles, pulleys, bearings or the engine.

  • Page 13: Blade Care

    Lubrication (Refer to Lubrication Chart in Figure 14.) WARNING: Always stop engine and disconnect spark plug cleaning, lubricating or doing any kind of work on lawn mower. Lube Lube Lube Figure 14: Lubrication Chart 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: Off-Season Storage

    • Align the blade bell support over the blade with the tabs in the holes of the blade and insert the hex bolt. Tighten the hex bolt to the torque listed in the “Blade Mounting Torque” section below. SECTION 8: OFF-SEASON STORAGE The following steps should be taken to prepare lawn mower for storage.
  • Page 15 SECTION 10: SHROUD CHART Shroud Color 751B281439 Dark Red 751B281440 Black 751B281443 Bright Red Hardware: 710-1256 Shroud Color 731-1585B Black Hardware: 710-1274 Shroud Color 7511681311 Black 7511681911 7511682011 Grey Shroud Color 731-1395A 731-1396A Black 731-1397A Grey Hardware: 710-1256 Shroud Color 731-1586B Black 731-1612A...

  • Page 16: Parts List

    SECTION 11: PARTS LIST FOR MODELS 540 THROUGH 549 50 55...
  • Page 17 Models 540 through 549 Ref. No. Part No. Description 747-0824 Control Handle Assembly 647-0004 Deluxe Control Handle Assembly 710-1205 Rope Guide 720-0279 Handle Knob 710-1174 Curved Hd. Bolt 5/16-18 x 2” 712-0324 Hex L-Nut 1/4-20 Thd. 720-0314 Hand Knob 710-0605 Oval C-Sunk Screw †...

  • Page 18: Your Notes

    Models 540 through 549 Table continued from previous page Ref. No. Part No. Description 736-0331 Bell Washer .39 x 1.13 x .062 712-0798 Hex Nut 3/8-16 732-0809 Torsion Spring 738-0102 Front Axle Bolt 782-7006 Hinged Mounting Bracket 710-0896 Hex Screw 1/4-14 x .625 782-9050 Mounting Bracket 751B224511 Flywheel Guard (B&S) †...
  • Page 19 Your Notes Date Comments...
  • Page 20 MANUFACTURER’S LIMITED WARRANTY FOR: The limited warranty set forth below is given by MTD PRODUCTS INC (“MTD”) with respect to new merchandise purchased and used in the United States, its possessions and territories. MTD warrants this product against defects in material and...

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