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Operator's Manual
Automatic Lawn Tractor
Model Series 606
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.
FORM NO. 769-01501.
(10/19/2004)
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Summary of Contents for MTD Series 606
- Page 1 Operator's Manual Automatic Lawn Tractor Model Series 606 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...
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Page 2: Table Of Contents
TABLEOFCONTENTS Content Page Important Safe Operation Practices ................. Slope Gauge ......................Tractor Set-up ......................Know Your Lawn Tractor ..................Operating Your Lawn Tractor ................... Making Adjustments ....................Maintaining Your Lawn Tractor ................Service ........................Off-Season Storage ....................Attachments & Accessories ..................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 hotandcancause a Follow the manufacturer's recommendations burn. D onottouch. wheel weights or counterweights to improve 24. Check overhead c learances c arefully b efore driving stability. under lowhanging treebranches, wires, d oor Use extra care with grass catchers or other openings e tc.,where theoperator m aybestruck or attachments.
- Page 5 e. Useextreme carewhen approaching blind Extinguish all cigarettes, cigars, pipes and corners, d oorways, shrubs, t rees or other other sources of ignition. objects thatmayblock yourvision ofa child Neverfuel machine indoors. whomayrunintothemachine. Never remove gas cap or add fuel while the f.
- Page 6 8. Never t amper w iththesafety interlock s ystem or Forsafety protection, frequently c heckcomponents othersafety devices. Check theirproper o peration andreplace immediately withoriginal e quipment regularly. manufacturer's (O.E.M.) parts only,listedinthis 9. Afterstriking a foreign object, s toptheengine, manual. "Useofpartswhich donotmeet t he disconnect thesparkplugwire(s) a ndground original e quipment specifications maylead to against theengine.
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Page 7: Slope Gauge
Sight and hold this levelwith a vertical tree... 1.1.1 1.1.1 15° &.i 1.1.1... -
Page 8: Tractor Set-Up
SECTION 3: TRACTOR SET-UP Attaching theBatteryCables Service the engine with gasoline and oil as instructed in the separate Briggs & Stratton Operator/Owner Manual packed with your tractor. Read instructions carefully. NOTE: The positive battery terminal is marked Pos. (+). The negative battery terminal is marked Neg. (-). IMPORTANT: Your tractor is shipped with motor oil in the engine. -
Page 9: Know Your Lawntractor
SECTION 4: KNOW YOUR LAWNTRACTOR - NOTE: Steering Wheel not shown for clarity, f If so equipped Figure 3 Systems Indicator Monitor/Hour Meter Throttle Lever PTO (Blade Engage) Lever1- Cruise Control Button PTO (Blade Engage) Knob1- Ignition Switch Module Choke Knob1- Brake Pedal Parking Brake Button Drive Pedal... - Page 10 ThrottleControl L ever IgnitionSwitchModule The throttle control lever is located on the right side of WARNING: Never leave a running machine the tractor's dash panel. This lever controls the speed unattended. Always disengage PTO, move of the engine and, on some models, when pushed all shift lever into neutral position, set parking the way forward, the choke control also.
- Page 11 ElectricPTO Systems Indicator Monitor (Blade Engage) Knob Your tractor is equipped with an hour meter as part of its systems indicator monitor. Locate the monitor on the To engage the power to the left side of your dash panel and compare it to Figure 6. cutting deck or other (separately available) attachments on models equipped with an electric...
- Page 12 ShiftLever ParkingBrakeButton The shift lever is located on the left side of the fender To set the parking brake, fully depress the brake pedal and and has three positions, FORWARD, NEUTRAL and push the parking brake button in. REVERSE. The brake pedal must be depressed and Hold the button in while taking the tractor must not be in motion when the moving shift your foot off the brake pedal.
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Page 13: Operating Your Lawn Tractor
SECTION 5: OPERATING Y OUR LAWNTRACTOR To use the REVERSE CAUTION MODE: SafetyInterlock Switches IMPORTANT:The operator MUST be seated in the This tractor is equipped with a safety interlock system tractor seat. for the protection of the operator. If the interlock system should ever malfunction, do not operate the tractor. - Page 14 Starting the Engine WARNING interlock system malfunctioning. This AVOID SERIOUS INJURY ORDEATH WARNING: Do not operate the tractor if the system was designed for your safety and • GO UP AND DOWN SLOPES, NOT ACROSS. protection. • AVOID SUDDEN TURNS. •...
- Page 15 • Depress the brake pedal to release the parking Disengage the cruise control using one of the following methods: brake and let the pedal up. • Move the throttle lever into the FAST (rabbit) • Depress the brake pedal to disengage the cruise position.
- Page 16 Mowing balance of cutting. This will give a better appearance to the lawn. • Do not cut the grass too short. Short grass invites WARNING: To help avoid blade contact or weed growth and yellows quickly in dry weather. a thrown object injury, keep...
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Page 17: Making Adjustments
SECTION 6: MAKING ADJUSTMENTS • Retighten the two jam nuts loosened earlier when proper adjustment is achieved. adjustments while engine is running, WARNING: Never attempt to make any except where specified in the operator's Sideto Side manual. If the cutting deck appears to be mowing unevenly, a side to side adjustment can be performed. - Page 18 If the tractor does not come to a complete stop when Steering Adjustment the brake pedal is completely depressed, or if the If the tractor turns tighter in one direction than the other, tractor's rear wheels can roll with the parking brake or if the ball joints are being replaced due to damage or applied, the brake is in need of adjustment.
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Page 19: Maintaining Your Lawn Tractor
SECTION 7: MAINTAINING YOUR LAWNTRACTOR • Refill the engine with new motor oil. WARNING: Before performing maintenance or repairs, disengage PTO, IMPORTANT:Refer to the Briggs & Stratton Operator/ move shift lever into neutral position, Owner Manual packed with your unit for information parking brake, stop engine and remove key to regarding the quantity and proper weight of motor oil. -
Page 20: Service
SECTION 8: SERVICE Cutting DeckRemoval • Gently slide the cutting deck toward the front of the tractor allowing the hooks on the deck to release To remove the cutting deck, proceed as follows: themselves from the deck stabilizer rod. • Place the PTO (Blade Engage) knob (or lever) in •... - Page 21 Jump Starting Hex Flange Nut battery, follow these instructions WARNING: When removing or installing prevent the screwdriver from shorting against the frame. IMPORTANT: Never jump your tractor's dead battery with the battery of a running vehicle. • Connect end of one ju mper cable to the positive terminal of the good battery, then the other end to the positive terminal of the dead battery.
- Page 22 When replacing the blade, be sure to install the blade • Remove the PTO belt from around the engine with the side of the blade marked "Bottom" (or with a pulley (or electric PTO clutch) and from around the part number stamped in it) facing the ground when the PTO idler pulley(s).
- Page 23 46-inchDecks Engine Pulley PTO Idler Bracket Deck belt (Bottom) (mounted on tractor) PTO belt (Top) )eck Idler Right Hand Pulley belt guard) Left Hand Double Pulley Center Pulley ]OTE: Front Deck wheels are NOT standard equippment, 50-inchDecks Electric PTO Clutch Fixed Idler Pulley Deck / PTO Belt Pivoting Idler Pulley...
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Page 24: Off-Season Storage
SECTION 9: OFF-SEASON S TORAGE Clean and lubricate the tractor as instructed in Section 7: Follow the instructions in the Service, Storage & MAINTAINING YOUR LAWN TRACTOR on page 19 of this Specifications section of the Briggs & Stratton manual before storing for an extended period. Operator/Owner Manual for proper engine care prior to storing your tractor. -
Page 25: Troubleshooting
SECTION 11: TROUBLESHOOTING Corrective Action Trouble Possible Cause(s) Engine fails to start PTO engaged. Place PTO knob (or lever) in disengaged (OFF) position. Parking brake not engaged. Engage parking brake. Spark plug wire(s) disconnected. Connect wire(s) to spark plug(s). Throttle control lever not in correct Place throttle lever to FAST position. -
Page 26: Parts List
SECTION 12: PARTS LIST... - Page 27 ModelSeries606 PART DESCRIPTION 710-04095 Hex Screw, 3/8-16, 1.00, Gr5 710-0514 Hex Screw, 3/8-16, 1.00, Gr5 710-0643 Hex Screw, 5/16-18, 1.00, Gr5 711-1408 Link, Drag, RH 711-1409A Link, Drag, LH 712-0214 Nut, Hex Lock, 3/8-24 712-04065 Nut, Flange Lock, 3/8-16, Grf, Nylon 712-0459 Nut, Flange Lock, 7/16-20 712-3004A...
- Page 28 ModelSeries606 (2_.
- Page 29 ModelSeries606 PART PART DESCRIPTION DESCRIPTION 683-0305 731-05037 Bracket Assembly, Hood Dash Panel (Models w/Electric PTO) 710-0376 731-05002 Hex Screw, 5/16-18, 1.00, Gr5 Dash Panel (Models w/Manual PTO) 710-0599 731-1857 Control Knob Screw, 1/4-20, 0.500 710-0642 736-0142 Screw, 1/4-20, 0.750 Washer, Flat, .281 x .50 x .063 710-0895 747-1155 Screw, 1/4-15, 0.750...
- Page 30 ModelSeries 606 Found on models with Manual PTOonly Left Hand Transmission Bolt Mounting...
- Page 31 ModelSeries606 PART REF. PART DESCRIPTION DESCRIPTION 17840 683-0266 Mounting Bracket, Transaxle Pedal Assembly 725-04039 710-0650 Switch, Interlock Screw, 5/16-18, 0.875 17962 710-1260A Plate, Switch Screw,5/16-18, 0.750 647-04020 710-1611B Lever Assembly, Shift Screw, 5/16-18, 0.750 710-0607 711-04159B Screw, 5/16-18, 0.500 Pin, 3/8-16 x 2.68 710-0726 712-3004A Screw, 5/16-12, 0.750...
- Page 32 ModelSeries606...
- Page 33 ModelSeries606 REF. PART DESCRIPTION 710-0726 Screw, 5/16-12, 0.75 710-0859 Screw, 3/8-16, 2.50, Gr5 710-3157A Screw, 7/16-20, 3.25, Gr5, Lock 712-04065 Nut, Flange Lock, 3/8-16, GrF, Nylon 717-04174 PTO Clutch, Electric 736-0277 Washer, Flat, 1.031 x 1.620 x.095 748-0415B Spacer, .385 ID x .635 OD x 1.54 756-0639A Pulley, Engine, 3.56 Diameter 783-04419A...
- Page 34 ModelSeries606 IMPORTANT: For a proper working machine, use Factory Approved Parts. V-belts are designed to engage and disengage safely. A substitute (non OEM) V-belt can be dangerous by not disengaging completely.
- Page 35 ModelSeries606 REF. PART REF. PART DESCRIPTION DESCRIPTION 17962 756-04142 Plate, Switch Pulley, Engine, 3.39 x 6.12 Diameter 647-0064 756-0487 Lever Assembly, Engagement Pulley, Idler, V-type 5/8 x 4.0 Diameter 683-0302 756-0627D Plate Assembly, Engagement Pulley, Idler, 3.50 Diameter 710-0224 783-04467 Screw, #10-16, 0.500 Stop Bracket, Deck-Up 710-0276...
- Page 36 ModelSeries606 ®...
- Page 37 ModelSeries606 REF. PART DESCRIPTION 710-1268 Screw, #10-16 x .375 712-04063 Nut, Flange Lock, 5/16-18, GrF, Nylon 712-3027 Nut, Flange Lock, 1/4-20 720-0309A Seat Adjuster Grip 726-0201 Nut, Speed, .3125 ID 731-04074 Spacer 732-0499 Compression Spring, .41 x 1.5 732-1184 Spring, Extension, .84 Dia x 4.6 736-0275 Wash, Flat, .344 x .688 x .065 736-3019...
- Page 38 ModelSeries606...
- Page 39 ModelSeries606 PART DESCRIPTION 732-0614 Ring, Wire 716-0231 Ring, E Type, .750 736-0336 Flat Washer, 5/8 x 1.0 x .030* 736-0337 Flat Washer, 5/8 x 1.0 x .040* 736-0349 Flat Washer, 5/8 x 1.0 x .020* 736-0335 Washer, Thrust .635 x 1.26 x .06 710-1325 Self-tapping Screw, 1/4-20 x 1.625 719-04017...
- Page 40 ModelSeries606 __ ... "\\ \\\\...
- Page 41 ModelSeries606 REF. PART REF. PART DESCRIPTION DESCRIPTION 17116 732-0306A Brake Assembly, Deck Spring, Compression, .531 OD x 1.75 17258D 732-0429A RH Belt Cover, Deck 46" Spring, Extension, .50 Dia x 3.97 618-0240A 732-0594A Spindle Assembly, 5.00 Dia. Spring, Extension, .91 Dia x 7.33 618-04134A 732-1165 Spindle Ass'y, Double Pulley...
- Page 42 ModelSeries606...
- Page 43 ModelSeries606 REF. PART PART REF. DESCRIPTION DESCRIPTION 16606 714-3004 Hook, Retainer Pin, Cotter, 3/32 x 1.25 618-04125 717-04074 Spindle Assembly Deck Adjustment Gear 683-0254B 712-3083 Hanger Bracket Assembly Lock Nut, Hex, 1/2-13, Nylon 683-04098 Idler Bracket 732-0306A Spring, Compression, .531 x 1.75 683-04075 732-0459B Weldment, 50-inch Deck...
- Page 44 ModelSeries606 (for throttle) (for choke)_ REF. PART REF. PART DESCRIPTION DESCRIPTION 710-0227 751B221535 Screw, #8-18 x .50 Casing Clamp 710-0599 Screw, 1/4-20 x .50 751-0535 Fuel Line Hose 710-0726 751-0564A Muffler Deflector Screw, 5/16-18 x .750 710-1237 751-0616A Screw, #10-32 x .625 Muffler, Twin Inlet 710-1314A 751-0650B...
- Page 45 NOTES...
- Page 46 NOTES...
- Page 47 NOTES...
- Page 48 MANUFACTURER'S LIMITED WARRANTY FOR: The limited warranty set forth below is given by MTD LLC with MTD does not extend any warranty for products sold or respect to new merchandise purchased and used in the exported outside of the United States, its possessions United States, its possessions and territories.