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Yard Machines Series 660 Operator's Manual
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Yard Machines Series 660 Operator's Manual

Transmatic lawn tractor
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YARD
Operator's Manual
Transmatic
Lawn Tractors
Model Series
660 thru 679
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 USA
FORM NO 770-10115C
(1/2001)

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Summary of Contents for Yard Machines Series 660

  • Page 1 YARD Operator's Manual Transmatic Lawn Tractors Model Series 660 thru 679 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...

  • Page 2: Table Of Contents

    TABLEOFCONTENTS Content Page Important Safe Operation Practices ..............3 thru 6 Slope Gauge ...................... Assembling your Lawn Tractor ................Know Your Lawn Tractor ..................Operating Your Lawn Tractor ................Making Adjustments ..................Service ....................... Maintaining your Lawn Tractor ................Off-Season Storage ................... Troubleshooting ....................

  • Page 3: Important Safe Operation Practices

    SECTION 1: IMPORTANT SAFEOPERATION P RACTICES 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 23. Muffler a ndengine become h otandcancause a Use slow speed. Choose a low enough speed burn.Donottouch. setting so that you will not have to stop or shift while on the slope. Tires may lose traction on slopes 24. Check overhead c learances carefully b efore driving even though the brakes are functioning properly.
  • Page 5 c. Before andwhilebacking, lookbehind and When practical, remove gas-powered down forsmall c hildren. equipment from the truck or trailer and refuel d. Never c arrychildren, even withtheblade(s) it on the ground. If this is not possible, then refuel such equipment on a trailer with a shutoff.Theymayfalloffandbeseriously injured orinterfere withsafemachine portable container, rather than from a...
  • Page 6 Replace theblade(s) w iththeoriginal e quipment 11.Grass catcher c omponents andthedischarge manufacturer's (O.E.M.) blade(s) only,listedinthis coveraresubject t owearanddamage which could manual. "Useofparts whichdonotmeetthe expose moving partsorallowobjects tobethrown. original e quipment specifications mayleadto Forsafety protection, frequently c heck components improper performance andcompromise safety!" andreplace immediately withoriginal equipment 6.
  • Page 7 SIGHT AND HOLD THIS LEVEL WITH A VERTICAL TREE A POWER POLE & 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 dding mower could overturn and cause sedous injury. If operating a walk-behind mower on such a slope, it is extremely difficult to maintain your footing and you could slip, resulting in serious injury.

  • Page 8: Assembling Your Lawn Tractor

    SECTION 1: ASSEMBLING YOUR LAWNTRACTOR IMPORTANT:After assembly, service engine with gasoline, and check oil level as instructed in the separate engine manual packed with your unit. NOTE: Reference to right or left hand side of the unit is observed from the driver's seat, facing forward. Tools RequiredFor Assembly DANGER ( 1) 1/2"...
  • Page 9 Place the steering wheel cap over the center of the steering wheel and seat it with your hand. Screws Steering Whee_ap Hex Lock Bolt _ Cupped Washer Steering Bellow Manual Adjustment Seat Figure 2 Steering Shaft Seat Pivot Figure 1 Bracket Attaching TheSeat There are two different seat pivot brackets used on this...
  • Page 10 Never attempt to mulch if the lawn is damp. Wet Removing Shipping Brace grass tends to stick to the underside of the cutting deck preventing proper mulching of the clippings. WARNING: The shipping brace, used for Do NOT attempt to mulch more than 1/3 the total packaging purposes only, must be removed height of the grass or approximately 1-1/2 inches.

  • Page 11: Know Your Lawn Tractor

    Remove thehairpin clipandflatwasher f romthe Lift the seat. bottom oftheadjustable l iftlinkontheleftsideof Remove the plastic cover from the negative thedeck. ( Hairpin clipandflatwasher a reonthe terminal. inside oftheliftlink.) Remove the hex bolt and nut from the negative Pulltheadjustable l iftlinkoutofthedeckhanger (black) cable.
  • Page 12 SpeedControl L ever Light The speed control lever is located either on the console Switch or on the right fender. See Figure 10. The speed control Choke lever allows you to regulate the ground speed of the lawn tractor. To select the ground speed, depress clutch pedal.

  • Page 13: Operating Your Lawn Tractor

    Before theunitcanbeshifted intoreverse orifthe DeckLift Indicator(If Equipped) operator l eaves theseat,theliftlevermustbeinthe If so equipped, the deck lift indicator marks the position BLADES STOP position. being used for the lift lever. Select the lift lever position desired, press the indicator lever outward, move it to Indicator Lights(.
  • Page 14 Move throttle control to full throttle to prevent strain StartingTheEngine on the engine and to operate the cutting blades. Place the shift lever in either the FORWARD or IMPORTANT: This unit is equipped with a safety interlock system for your protection. The purpose of the REVERSE position.

  • Page 15: Making Adjustments

    GrassCollector A vailable NOTE: Under normal usage bag material is subject to wear, and should be checked periodically. Be sure to Grass Collector Model OEM-190-063 is available as use only factory authorized replacement bag. optional equipment for lawn tractors with 38" and 42" decks.
  • Page 16 Check the adjustment by placing the lift lever in the BLADES STOP position. The deck should move up and forward, allowing the belt to become loose. Start and test for disengagement. Repeat procedure as necessary. Slot Shift Stabilizer Shaft Disengagement Assembly Loosen Hex Bolt...
  • Page 17 Variable Speed ue Bracket Assembly Stop_od Back Hairpin Clip and Flat Washer Brak= Figure 16 Release the clutch-brake pedal completely, then SpeedControl A djustment slowly depress the pedal all the way (to park position). Hold the pedal in this position. NOTE: When operating...

  • Page 18: Service

    Remove the hex nut and lock washer, and drop the end of the tie rod from the axle bracket. See Figure Loosen the hex jam nut on tie rod. Adjust the tie rod assembly for correct toe-in. Front "J (1/16" - 5/16" Less Than A) Figure 18 Hex Jam Carburetor A djustments...

  • Page 19: Maintaining Your Lawn Tractor

    Wheels BallJoints The front wheels may be provided with optional grease The ball joints and drag link ends are permanently lubricated. fittings. The rear wheels must be removed from the axle for lubrication. Lubricate at least once a season with automotive multi-purpose grease.
  • Page 20 Remove the hex flange nut which holds the blade to the blade spindle. Remove the blade from the spindle. Sharpening Remove the cutting blades by following the directions of the preceding section. When sharpening the blades, follow the original angle of grind as a guide.
  • Page 21 To charge the battery: Battery P!N 725-1705D-- BeltRemoval AndReplacement Charge at 2-3 amps for one hour. Battery P!N 725- 1707D, 725-0453G, and 725-1750--Charge at 6 amps WARNING: Be sure to shut the engine off, for one hour. remove ignition key, disconnect the spark plug wire(s) and ground against the engine to Removing / Installing/ JumpStarting...
  • Page 22 Remove the belt guards at each deck pulley by Rear Drive Belt removing the self-tapping screws. See Figure 23. Place shift lever in neutral position. Unscrew the shift knob and the speed control knob (if located on the console). Remove the two truss head screws Self-Tapping Stabilizer Belt...
  • Page 23 Removethebeltkeeperpinsfromtheenginepulley NOTE: When reassembling, make certain belt is belt guard. Refer to Figure 22. inside the belt keeperpins. See Figure 22. NOTE: Make certain belt keeper pins reassembled as shown in Figure 22. Unhook the deck belt from the engine pulley. t/Va_ble Remove the center bolt, lock washer and flat Speed Pulley...
  • Page 24 SECTION 8: 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 lift lever switch. Make certain the actuator is fully depressing the buttons on each switch.
  • Page 25 SECTION 9: OPTIONAL EQUIPMENT At the time of manufacture of lawn tractor, the following NOTE: *Available through your local dealer or from optional equipment is available. Agri-Fab Inc., 303 W. Raymond Street, Sullivan, Illinois 61951. NOTE: These lawn tractors are not designed ground-engaging equipment (tillers, plows, etc.).
  • Page 26 NOTES...
  • Page 27 NOTES...
  • Page 28 MANUFACTURER'S LIMITED WARRANTY FOR: YARD c. Routine maintenance items such as lubricants, filters, The limited warranty set forth below is given by MTD blade sharpening and tune-ups, or adjustments such PRODUCTS INC ("MTD") with respect to new merchandise as brake adjustments, clutch adjustments or deck purchased and used in the United States, its possessions...

This manual is also suitable for:

679 series