MTD 660 Operator's Manual
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MTD 660 Operator's Manual

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See also: Owner's Manual , Illustrated Parts Manual
Operator's Manual
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 44136-9722.
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-9722
PRINTED IN U.S.A.
Transmatic Lawn Tractor
MODELS 660, 680
662, 682
663, 683
665, 685
668, 688
FORM NO. 769-00533A.fm
(4/2003)

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  • Page 1 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 44136-9722. MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-9722 FORM NO. 769-00533A.fm PRINTED IN U.S.A.

  • Page 2: Table Of Contents

    You can locate the model number by looking beneath the seat. A sample model plate is explained below. For future reference, please copy the model number and the serial number of the equipment in the space below. Copy the model number here: MTD LLC Copy the serial number here: P. O. BOX 361131...

  • 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

    23. Muffler and engine become hot and can cause a 3. Use slow speed. Choose a low enough speed burn. Do not touch. setting so that you will not have to stop or shift while on the slope. Tires may lose traction on slopes 24.
  • Page 5 Serious personal injury can occur when gasoline is by an authorized MTD Service Dealer. spilled on yourself or your clothes which can ignite. 4. Check brake operation frequently as it is subjected Wash your skin and change clothes immediately.
  • Page 6 Replace the blade(s) with the original equipment 11. Grass catcher components and the discharge manufacturer’s (O.E.M.) blade(s) only, listed in this cover are subject to wear and damage which could manual. “Use of parts which do not meet the expose moving parts or allow objects to be thrown. original equipment specifications may lead to For safety protection, frequently check components improper performance and compromise safety!”...

  • Page 7: Slope Gauge

    SECTION 2: SLOPE GAUGE...

  • Page 8: Tractor Set-Up

    SECTION 3: TRACTOR SET-UP Your tractor is shipped with motor oil in the engine. However, you MUST check the oil level before IMPORTANT: starting the engine and operating. Refer to the separate Briggs & Stratton Operator/Owner Manual (or Tecumseh engine’s Owner’s Manual) packed with your tractor. Read instructions carefully. NOTE: Attaching The Steering Wheel Reference to right or left hand side of the unit...
  • Page 9 Attaching The Seat Standard Adjustment Seat styles vary by tractor model and there are three different styles available: Hex Screws • Standard Adjustment • Quick Adjustment & • Knob Adjustment Shoulder Refer to Figure 3, Figure 4 and Figure 5 to identify Screws which your tractor’s seat style and follow applicable instructions below.

  • Page 10: Tire Pressure

    Gas and Oil Fill-up The shipping brace, used for WARNING: packaging purposes only, must be removed The gasoline tank is located under the hood and has a and discarded before operating your riding capacity of 1-1/2 gallons. Do not overfill. mower.

  • Page 11: Know Your Lawn Tractor

    SECTION 4: KNOW YOUR LAWN TRACTOR † NOTE: Steering Wheel not shown for clarity. † If so equipped Figure 8 Clutch-brake Pedal Ignition Switch Choke Control† Shift Lever Throttle Control Lever G Speed Control Lever / Parking Brake Deck Engagement / Lift Lever Seat Adjustment Lever†...

  • Page 12: Choke Control

    Choke Control To release the parking brake, depress the clutch-brake pedal and move the speed control lever out of the On some models, moving the notches to the desired position. Release the speed throttle lever all the way forward control lever and the clutch-brake pedal. activates the engine’s choke NOTE: control.

  • Page 13: Operating Your Lawn Tractor

    If you strike a foreign object, WARNING: Contact an authorized MTD service dealer. The safety stop the engine, disconnect the spark plug interlock system prevents the engine from cranking or wire(s) and ground against the engine.
  • Page 14 Operating The Lawn Tractor • Restart engine. • Place speed control lever in high speed position. • Release clutch-brake pedal fully. WARNING: Always look down and behind • Depress clutch-brake pedal. before and while backing up to avoid a back- •...
  • Page 15 • For best results it is recommended that the first two • Always position the throttle control lever in the laps be cut with the discharge thrown towards the FAST (rabbit) position and allow it to remain there center. After the first two laps, reverse the direction while mowing.

  • Page 16: Making Adjustments

    SECTION 6: MAKING ADJUSTMENTS WARNING: Never attempt to make any adjustments while the engine is running, Hex Screws except where specified in the operator’s manual. WARNING: Disconnect the spark plug wire(s) and ground against the engine before performing any adjustments, repairs or maintenance.
  • Page 17 • Measure the distance from the front of the blade tip NOTE: The deck wheels, on models so equipped, are to the ground and the rear of the blade tip to the an anti-scalp feature of the deck and are not designed ground.

  • Page 18: Parking Brake Adjustment

    Parking Brake Adjustment • Remove the hairpin clip which secures the disengagement rod to the stabilizer shaft assembly. See Figure 16. WARNING: Never attempt to adjust the brakes while the engine is running. Always disengage PTO, move shift lever into neutral position, stop engine and remove key to Stabilizer Shaft prevent unintended starting.

  • Page 19: Steering Adjustments

    IMPORTANT: control rod. See Figure 18. the tractor obtaining the full range of speeds, see an authorized MTD service dealer to have the variable NOTE: There is a small yellow wire connected to a speed drive system inspected and professionally spring switch on the underside of the shift cover panel.

  • Page 20: Service

    • Perform the Drag Link Adjustment. See page 19. • Place the steering wheel in position for straight- ahead travel. • In front of the pivot bar, measure the distance horizontally from the inside of the left rim to the Flat Washer inside of the right rim.
  • Page 21 Oil Sump Fill Tube Drain Port Oil Drain Sleeve Figure 22 Figure 23 • Remove drain plug and drain oil into a suitable • Refill the engine with new motor oil. container with a capacity of no less than 64 oz. Refer to the Briggs &...
  • Page 22 Rear Wheels The rear wheels should be removed from the axles once a season. Lubricate the axles and the rims well with an all-purpose grease before re-installing them. Front Axles Each end of the tractor’s front pivot bar may be equipped with a grease fitting.

  • Page 23: Maintaining Your Lawn Tractor

    Place the deck engagement/lift lever in the engaged (all the way forward) position. • Using a spring puller (MTD Part No. 732-0571)or other suitable tool, disconnect the spring which is attached to a small hook found on the left, rear portion of the transmission.

  • Page 24: Cutting Blades

    • Remove the hairpin clips which secure the rear The blades may be removed as follows. deck hangers to the deck stabilizer bracket. See • Remove the deck from beneath the tractor, (refer to Figure 28. Retain the hairpin clips. Cutting Deck Removal on page 23) then gently flip the deck over to expose its underside.

  • Page 25: Belt Replacement

    It is important that each cutting blade edge be ground Never jump your tractor’s dead battery IMPORTANT: equally to maintain proper blade balance. A poorly with the battery of a running vehicle. balanced blade will cause excessive vibration and may •...
  • Page 26 Figure 32 which secure them in place. Refer Figure 31 • Using a spring puller (MTD Part No. 732-0571)or other suitable tool, disconnect the extension spring from the rear of the cutting deck belt. This will relieve tension on the lower deck belt.
  • Page 27 Be careful not to damage it when removing the panel • Using a spring puller (MTD Part No. 732-0571)or Figure 33 other suitable tool, disconnect the spring which is attached to a small hook found on the left, rear portion of the transmission.

  • Page 28: Off-Season Storage

    SECTION 10: ATTACHMENTS & ACCESSORIES The following attachments and accessories are compatible for Lawn Tractor Models 660-668. See the retailer from which you purchased your tractor, an authorized MTD Service Dealer or phone (800) 800-7310 for information regarding price and availability.

  • Page 29: Troubleshooting

    SECTION 11: TROUBLE SHOOTING GUIDE Possible Trouble Corrective Action Cause(s) Engine will Safety switch There are two switches in the starting circuit of your unit: the clutch pedal switch and not crank button not the deck engagement/lift lever switch. Make certain the actuator is fully depressing the depressed.
  • Page 30 NOTES...
  • Page 31 NOTES...

  • Page 32: Cleveland,Oh

    MANUFACTURER’S LIMITED WARRANTY FOR: The limited warranty set forth below is given by MTD LLC with MTD LLC does not extend any warranty for products respect to new merchandise purchased and used in the sold or exported outside of the United States, its United States, its possessions and territories.

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