MTD 611 Operator's Manual
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MTD 611 Operator's Manual

Hydrostatic lawn tractor
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Operator's Manual
Hydrostatic Lawn Tractor
MODEL 611
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 361131
Cleveland, Ohio 44136-9722.
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-9722
FORM NO. 770-10317E.fm
PRINTED IN U.S.A.
(12/29/2004)

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  • Page 1 (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 FORM NO. 770-10317E.fm PRINTED IN U.S.A.

  • Page 2: Table Of Contents

    This information will be necessary to use the manufacturer’s web site and/or help from the Customer Support Department or an authorized service dealer. Copy the model number here: Copy the serial number here: MTD LLC P. O. BOX 361131 CLEVELAND,OH 44136 330-220-4683 www.mtdproducts.com...

  • 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

    Contact an 3. Do not try to stabilize the machine by putting your authorized MTD service dealer for assistance. foot on the ground. 4. Do not use a grass catcher on steep slopes.
  • Page 5 Wash your skin and change clothes immediately. frame, your unit should be serviced professionally a. Use only an approved gasoline container. by an authorized MTD Service dealer. b. Never fill containers inside a vehicle or on a 4. Check brake operation frequently as it is subjected truck or trailer bed with a plastic liner.
  • Page 6 6. Replace the blade(s) with the original equipment 12. 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.
  • Page 7 SECTION 2: SLOPE GAUGE...

  • Page 8: Tractor Set-Up

    SECTION 3: TRACTOR SET-UP Attaching the Battery Cables NOTE: If the battery is put into service after the date shown on top of battery, charge the battery as NOTE: instructed on page 24 of this manual prior to operating The positive battery terminal is marked Pos. the tractor.
  • 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 If the seat for your tractor did not come attached, refer Screws to Figure 3, Figure 4, and Figure 5 to identify your tractor’s seat style and follow the applicable instructions...

  • Page 10: Tire Pressure

    Gas and Oil Fill-up WARNING: The shipping brace, used for 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 either two or three gallons. Do not overfill. mower.

  • Page 11: Know Your Lawn Tractor

    SECTION 4: KNOW YOUR LAWN TRACTOR NOTE: Steering Wheel not shown for clarity. † Style varies by model ‡ If so equipped PTO (Power Take-off) Lever‡ G Cruise Control Button PTO (Power Take-off) Knob‡ Ignition Switch Module Choke Control‡ Brake Pedal Parking Brake Button Drive Pedal Cup Holder...

  • Page 12: Throttle Control Lever

    Throttle Control Lever Ignition Switch Module 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, set of the engine and, on some models, when pushed all parking brake, stop engine and remove key to the way forward, the choke control also.
  • Page 13 Systems Indicator Monitor Electric PTO (Power Take-off) Knob Your tractor is equipped with either an hour meter or an ammeter as part of two available systems indicator To engage the power to the monitors. Locate the monitor on the left side of your cutting deck or other (separately dash panel and compare it to both shown in Figure 10.

  • Page 14: Operating Your Lawn Tractor

    PTO (Blade Engage) clutch should ever malfunction, do not operate the tractor. will automatically shut off if the PTO (Blade Contact an authorized MTD service dealer. Engage) knob is moved into the engaged (ON) • The safety interlock system prevents the engine position with the shift lever in Reverse.
  • Page 15 The operator MUST be seated in the IMPORTANT: WARNING tractor seat. 1. Start the engine as previously instructed in this AVOID SERIOUS INJURY OR DEATH Operator’s Manual. 2. Turn the key from the NORMAL MOWING • GO UP AND DOWN SLOPES, NOT ACROSS. (Green) position to the REVERSE CAUTION •...

  • Page 16: Stopping The Engine

    Stopping the Engine Engaging the Parking Brake To engage the parking brake: WARNING: If you strike a foreign object, • Fully depress the brake pedal and hold it there stop the engine, disconnect the spark plug while gently pushing the parking brake button wire(s) and ground against the engine.
  • Page 17 Models with Manual PTO Disengage the cruise control using one of the following methods: • Grasp the PTO lever and pivot it all the way forward into the engaged (ON) position. • Depress the brake pedal to disengage the cruise control and stop the tractor.

  • Page 18: Operating The Headlights

    42-inch Decks • For best results it is recommended that the first two laps be cut with the discharge thrown towards the To operate the cutting deck without mulching, on center. After the first two laps, reverse the direction models so equipped, simply remove the mulch plug by to throw the discharge to the outside for the unthreading the plastic wing nut which fastens it to the balance of cutting.

  • Page 19: Making Adjustments

    SECTION 6: MAKING ADJUSTMENTS Side to Side WARNING: Never attempt to make any adjustments while the engine is running, If the cutting deck appears to be mowing unevenly, a except where specified in the operator’s side to side adjustment can be performed. Adjust if manual.
  • Page 20 Quick-adjust Seat (if so equipped) If the tractor does not come to a complete stop when the brake pedal is completely depressed, or if the WARNING: Before operating this machine, tractor’s rear wheels can roll with the parking brake make sure the seat is engaged in the seat applied, the brake is in need of adjustment.

  • Page 21: Maintaining Your Lawn Tractor

    • Thread the ball joint toward the jam nut to shorten • Replace hex nut and lock washer and retighten the the drag link. Thread the ball joint away from the jam nut after proper adjustment is achieved. jam nut to lengthen the drag link. NOTE: Threading the ball joints too far onto the drag Hex Nut and...

  • Page 22: Service

    Air Cleaner Rear Wheels Service the pre-cleaner, if so equipped, and cartridge/ The rear wheels should be removed from the axles air cleaner element as instructed in the Briggs & once a season. Lubricate the axles and the rims well Stratton Operator/Owner Manual (or Kohler engine’s with an all-purpose grease before re-installing them.

  • Page 23: Cutting Blades

    • Repeat the above steps on the tractor’s right side. • Use a 15/16" wrench to remove the hex flange nut • Move the deck lift lever into the top notch on the that secures the blade to the spindle assembly. See right fender to raise the deck lift arms up and out of Figure 24.
  • Page 24 Battery brush to remove deposits. Coat terminals and exposed wiring with grease or petroleum jelly to prevent The battery is sealed and is maintenance-free. Acid corrosion. levels cannot be checked. Battery Failures • Always keep the battery cables and terminals clean Some common causes for battery failure are: and free of corrosive build-up.
  • Page 25 • Insert a 3/8”-drive ratchet wrench (set to loosen) • With belt tension relieved, carefully remove the into the square hole found in the idler bracket on belt from around the left-hand spindle pulley. the left side of the deck’s surface. See Figure 26. Carefully allow the ratchet to pivot IMPORTANT: rearward before removing it from the square hole.

  • Page 26: Off-Season Storage

    (i.e. air/impact wrench) in order to change the and is maintenance free. The fluid level cannot be tractor’s drive belts. See an authorized MTD Service checked nor can the oil be changed. Always keep the Dealer to have your drive belts replaced or phone...

  • Page 27: Attachments & Accessories

    MTD Service Dealer or phone (800) 800-7310 for information regarding price and availability. NOTE: Lawn tractor model 611 is NOT designed for use with any type of ground-engaging attachments (e.g. tiller or plow). Use of this type of equipment WILL void the tractor’s warranty. MODEL...

  • Page 28: Troubleshooting

    SECTION 11: TROUBLESHOOTING Trouble Possible Cause(s) Corrective Action Engine fails to start PTO knob (or lever) engaged. Disengage PTO. Parking brake not engaged. Engage parking brake. Spark plug wire(s) disconnected. Connect wire(s) to spark plug. Throttle control lever not in correct Place throttle lever to FAST or CHOKE position.
  • Page 29 NOTES...

  • Page 30: Illustrated Parts List

    SECTION 12: ILLUSTRATED PARTS LIST...
  • Page 31 Model 611 Ref. Part Ref. Part Description Description 710-0726 Screw, 5/16-12 x.750 747-1196 Brake/Cruise Pivot Rod 710-0599 Self-tapping Screw, 1/4-20 x.5 629-04083† Headlight Wire Harness 710-0751 Hex Cap Screw, 1/4-20 x.62 731-05165 Hood Plenum 746-1084 Throttle/Choke Cable (Kohler Courage) 725-1752†...
  • Page 32 Model 611 Models w/ Manually Adjusting Seat Models w/ Quick Adjust Seat...
  • Page 33 Model 611 REF. PART REF. PART DESCRIPTION DESCRIPTION 710-1268 Screw, #10-16 x.375 783-04437A Fender 712-04063 Nut, Flange Lock, 5/16-18, GrF, Nylon 783-1010A Plate, Deck Lift 712-3027 Nut, Flange Lock, 1/4-20 783-1489A Mounting Bracket, Seat 720-0309A Seat Adjuster Grip 710-0227 Screw, #8-18 x.50 726-0201 Nut, Speed,.3125 ID...
  • Page 34 Model 611...
  • Page 35 Model 611 REF. 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...
  • Page 36 Model 611 For a proper IMPORTANT: 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 37 Model 611 Ref. Part Ref. Part Description Description 17840 Transmission Mounting Bracket 756-0116A Idler Pulley 618-0319 Hydrostatic Transmission 756-0981B Flat Idler Pulley 629-0949A Harness Assembly (Not Shown) 756-04111 Input Pulley 710-0227 AB Screw #8-18 x 0.5 783-04442 Idler Bracket 710-0344 Hex Bolt 3/8-16 x 1.5...
  • Page 38 Model 611G To Deck For a proper IMPORTANT: 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 39 Model 611G REF. PART REF. PART DESCRIPTION DESCRIPTION 17962 Plate, Switch 683-04173 Frame Assembly, Lower 647-04036 Lever Assembly, Engagement 710-0607 Screw, 5/16-18, 0.500 710-0809 Screw, 1/4-20 x 1.250 710-0642 Screw, 1/4-20, 0.750 710-0859 Screw, 3/8-16, 2.50 710-3005 Screw, 3/8-16, 1.25, Gr5 710-0276 Screw, Carriage, 5/16-18, 1.00 712-04064...
  • Page 40 Model 611H (Manual PTO) For a proper IMPORTANT: 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 41 Model 611H (Manual PTO) REF. PART REF. PART DESCRIPTION DESCRIPTION 17962 Plate, Switch 747-1112D Engagement Handle, Deck 647-0064 Lever Assembly, Engagement 748-0415B Spacer,.385 ID x.635 OD x 1.54 683-0302 Plate Assembly, Engagement 750-0956 Spacer, 1.010 x 1.400 x.825 710-0224 Screw, #10-16, 0.500 756-04143 Pulley, Engine, 3.56 x 6.12 Diameter 710-0276...
  • Page 42 Model 611H (Electric PTO)
  • Page 43 Model 611H (Electric PTO) 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 1.54 756-0978A...
  • Page 44 Model 611G...
  • Page 45 Model 611G REF. PART REF. PART DESCRIPTION DESCRIPTION 618-0624 Pulley/ Spindle Assembly 736-0270 Bell Washer,.265 x.75 x.062 683-04138 Deck Brake Assembly 736-0289 Shoulder Bushing,.320 ID x.135 Lg. 683-04162 42” Deck Assembly 736-0267 Flat Washer,.385 x.87 x.06 683-04167 Deck Brake Assembly 736-0225 Lock Washer, 5/8 683-0254B...
  • Page 46 Model 611H (Manual PTO)
  • Page 47 Model 611H (Manual PTO) REF. PART REF. PART DESCRIPTION DESCRIPTION 17116 Brake Assembly, Deck 732-0594A Spring, Extension,.91 Dia x 7.33 17258D RH Belt Cover, Deck 46” 732-04197 Spring, Extension,.68 OD x 5.00 Lg 618-0240A Spindle Assembly, 5.00 Dia. 734-0973 Wheel, Deck 5.0 x 1.38 618-04134B Spindle Ass’y, Double Pulley 736-0119...
  • Page 48 Model 611H (Electric PTO)
  • Page 49 Model 611H (Electric PTO) REF. PART NUMBER DESCRIPTION 618-0625 Spindle Assembly 683-0254B Bracket Assembly, Deck Hanger 683-04104A Deck Weldment, 46-inch 710-0347 Screw, 3/8-16, 1.75 710-0514 Hex Cap Screw, 3/8-16, 1.00, Gr5, Std 710-0528 Screw, 5/16-18, 1.25, Gr5 710-0599 Screw, Hx. Wash. Hd. Tapp, 1/4-20, 0.5 710-0751 Screw, Hex Cap, 1/4-20,.620, Gr5 710-1260A...
  • Page 50 Model 611 B&S OHV V-Twin Kohler V-Twin (for throttle) (for choke) (deflector must face forward) B&S OHV Single Kohler Courage...
  • Page 51 Screw, 3/8-16 x 1.00 (Kohler) 736-0277 Flat Washer (Kohler) 721-0208 Exhaust Gasket (B&S OHV Single) 746-1084 Throttle Cable (B&S OHV Single) 732-0966 Extension Spring,.275 x 1.25 (B&S OHV Single) NOTE: Engine accessory parts are applicable to all 611 model tractors except where otherwise noted.
  • Page 52 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.

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