Yard-Man 791, Operator'S Manual

Page 1: ...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 se...

Page 2: ...ler IWTD LLC P O BOX 361131 CLEVELAND OH 44136 338 228 4683 888 888 7316 Copy the model number here Copy the serial number here CUSTOMER SUPPORT Please doNOTreturnthe unit to theretailer withoutfirstcontactingCustomerSupport If you have difficulty assembling this product or have any questions regarding the controls operation or maintenance of this unit you can seek help from the experts Choose fro...

Page 3: ...ersonal injury 7 Plan your mowing pattern to avoid discharge of material toward roads sidewalks bystanders and the like Also avoid discharging material against a wall or obstruction which may cause discharged material to ricochet back toward the operator 8 Always wear safety glasses or safety goggles during operation and while performing an adjustment or repair to protect your eyes Thrown objects ...

Page 4: ...se traction on slopes even though the brakes are functioning properly Always keep machine in gear when going down slopes to take advantage of engine braking action 4 Follow the manufacturer s recommendations for wheel weights or counterweights to improve stability 5 Use extra care with grass catchers or other attachments These can change the stability of the machine 6 Keep all movement on the slop...

Page 5: ...Do not use a nozzle lock open device e Extinguish all cigarettes cigars pipes and other sources of ignition f Neverfuel machine indoors g Never remove gas cap or add fuel while the engine is hot or running Allow engine to cool at least two minutes before refueling h Never over fill fuel tank Fill tankto no more than _ 2inch below bottom of filler neck to allow space for fuel expansion i Replace ga...

Page 6: ...ent manufacturer s O E M parts only listedinthis manual Useofpartswhich donotmeet the original equipment specifications maylead to improper performance andcompromise safety Donotchange theengine governor settings or over speed theengine Thegovernor controls the maximum safeoperating speed oftheengine Maintain orreplace safety andinstruction labels as necessary Observe proper disposal lawsandregula...

Page 7: ...I LI I LI a 64 Z I LI _ Sight and hold this level with a vertical tree 15 ...

Page 8: ...heel cap and remove the hardware 2 With the wheels of the tractor pointing straight forward place the steering wheel over the steering shaft 3 Place the washer with the cupped side down over the steering shaft and secure with the hex bolt See Figure 1 4 Place the steering wheel cap over the center of the steering wheel and push downward until it clicks into place Figure 1 Shipping BraceRemoval _ W...

Page 9: ... on top of battery charge the battery as instructed on page 24 of this manual prior to operating the tractor GasandOilFill up The gasoline tank is located under the hood and has a capacity of 1 1 2 gallons Do not overfill WARNING Use extreme care when handling gasoline Gasoline is extremely flammable and the vapors are explosive Never fuel machine indoors or while the engine is hot or running Exti...

Page 10: ...ith the two hex screws removed earlier See Figure 4 QuickAdjustmentSeat NOTE If your seat was shipped mounted backwards on the seat pivot bracket pull out the tab found on the seat stop and hold open while sliding the seat off the seat pivot bracket See Figure 5 1 Line up the plastic seat spacers with the slots in seat pivot bracket 2 Slide seat in until front seat spacer engages the seat stop See...

Page 11: ...E Throttle Control Lever B brake Pedal F Ignition Switch Module C Speed Control Lever G Deck Lift Lever D Choke Control on models so equipped H PTO Blade Engage Lever NOTE Any reference in this manual to the RIGHT or LEFT side of the tractor is observed from operator s position 11 ...

Page 12: ...n to engage the disc brake and bring the tractor to a complete stop NOTE The brake pedal must be depressed to start the engine Refer to Safety InterlockSwitches on page 14 ParkingBrakeLever To set the parking brake fully depress the brake pedal Move the parking brake lever all the way down and into the ON position Release the brake pedal to allow the parking brake to engage To release the parking ...

Page 13: ...rd to reverse or vice versa IMPORTANT Always set the parking brake when leaving the tractor unattended IgnitionSwitchModule WARNING Never leave a running machine unattended Always disengage PTO move shift lever into neutral position set parking brake stop engine and remove key to prevent unintended starting To start the engine insert the key into the ignition switch and turn clockwise to the START...

Page 14: ...ctor to be operated in reverse with the blades PTO engaged IMPORTANT Mowing in reverse is not recommended To use the REVERSE CAUTION MODE IMPORTANT The operator MUST be seated in the tractor seat 2 Start the engine Refer to Startingthe Enginepage 15 of this Operator s Manual for detailed instructions Turn the key from the NORMAL MOWING Green position to the REVERSE CAUTION MODE Yellow position of ...

Page 15: ...tion key clockwise to the START position After the engine starts release the key It will return to the NORMAL MOWING position IMPORTANT Do NOT hold the key in the START position for longer than ten seconds at a time Doing so may cause damage to your engine s electric starter After the engine starts deactivate the choke control and place the throttle control in the FAST position NOTE Do NOT leave t...

Page 16: ...Engaging the Blades Engaging the PTO Blade Engage transfers power to the cutting deck or other separately available attachments To engage the blades proceed as follows Move the throttle control lever to the FAST rabbit position G rasp the PTO Blade Engage lever and position it all the way forward into the engaged ON position Keep the throttle lever in the FAST rabbit position for the most efficien...

Page 17: ...deck without mulching on models so equipped simply remove the mulch plug by unthreading the plastic wing nut which secures it to the cutting deck This will allow the clippings to discharge out the side See Figure 11 CarriageScrew Plastic Wing Nut Mulch Plug Moving TheTractorManually Your tractor s transmission is equipped with a hydrostatic relief valve for occasions when it is necessary to move t...

Page 18: ... and lock nut found on the front side of the stabilizer bracket See Figure 14 After loosening the jam nut Tighten the lock nut to raise the front of the deck Loosen the lock nut to lower the front of the deck Retighten the jam nut loosened earlier after proper adjustment is achieved Sideto Side If the cutting deck appears to be mowing unevenly a side to side adjustment can be performed Adjust if n...

Page 19: ...move the seat adjustment lever located under the seat to the left and slide the seat forward or backwards See Figure 17 Make sure seat is locked into one of the six adjustment positions before operating the lawn tractor KnobAdjustment Seat if soequipped To adjust the position of the seat loosen the two knobs on the bottom of the seat See Figure 16 Slide the seat forward or backward as desired Reti...

Page 20: ... nut on the right side of the brake assembly Using a feeler gauge check the gap between the brake disc and the brake puck Proper gap is 011 Tighten the crown nut until the proper gap is achieved Insert the replacement cotter pin into the crown nut DragLinkAdjustment If the tractor turns tighter in one direction than the other or if either the drag link and ball joint are being replaced due to dama...

Page 21: ... the opposite order after oil has finished draining Refill the engine with new motor oil IMPORTANT Refer to the engine manufacturer s Operator Owner Manual packed with your unit for information regarding the quantity and proper weight of motor oil Air Cleaner Service the pre cleaner if so equipped and cartridge air cleaner element as instructed in the engine manufacturer s Operator Owner Manual pa...

Page 22: ... components spindles pulleys bearings or the engine DeckWash System TM A hex plug can be found on your tractor s deck surface See Figure 21 HexPlug Figure 21 This plug can be replaced with a water port to be used as part of a separately available deck wash system Use the Deck Wash System TM to rinse grass clippings from the deck s underside and prevent the buildup of corrosive chemicals NOTE Refer...

Page 23: ...he way Carefully remove the PTO cable from the rear of the cutting deck by removing the hair pin clip which secures it Proceed to remove the spring from the deck idler bracket See Figure 23 IdlerBracket f t Hair Pin Clip PTOCable Figure 23 Gently slide the cutting deck toward the front of the tractor allowing the hooks on the deck to release themselves from the deck stabilizer rod Gently slide the...

Page 24: ...t with the dead battery WARNING Failure to use this procedure could cause sparking and the gas in either battery could explode Cleaning Clean the battery by removing it from the tractor and washing with a baking soda and water solution If necessary scrape the battery terminals with a wire brush to remove deposits Coat terminals and exposed wiring with grease or petroleum jelly to prevent corrosion...

Page 25: ...ePulley Right Hand Pulley beneath belt guard Left Hand Pulley beneath belt guard Deck Idler Pulleys Idler Bracket EnginePulley 38 Inch Deck Right Hand Pulley beneath belt guard Left Hand Pulley beneath belt guard Deck Idler Pulley 25 ...

Page 26: ... to between 70 foot pounds and 90 foot po unds Changing theDeckBelt WARNING Be sure to shut the engine off remove ignition key disconnect the spark plug wire s and ground against the engine to prevent unintended starting before removing the belt s All belts on your tractor are subject to wear and should be replaced if any signs of wear are present IMPORTANT The V belts found on your tractor are sp...

Page 27: ...ION 10 ATTACHMENTS ACCESSORIES The following attachments and accessories are compatible for 700 Series Lawn Tractors See the retailer from which you purchased your tractor an authorized MTD Service Dealer or phone 1 800 800 7310 for information regarding price and availability NOTE Model Series 700 Lawn Tractors are NOT designed for use with any type of ground engaging attachments e g tiller or pl...

Page 28: ...rol in CHOKE position or pull the CHOKE knob outward Fill tank with clean fresh less than 30 days old gas Clean fuel line or replace fuel filter if so equipped Clean adjust gap or replace plug Crank engine with throttle in FAST position Move the throttle control out of the CHOKE position or push the CHOKE knob inward Connect and tighten spark plug wire s Clean fuel line fill tank with clean fresh ...

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Page 32: ...s deck adjustments and normal deterioration of the exterior finish due to use or exposure Service completed by someone other than an authorized service dealer e f g MTD does not extend any warranty for products sold or exported outside of the United States its possessions and territories except those sold through MTD s authorized channels of export distribution Replacement parts that are not genui...