Table of Contents
Related Manuals for MTD series 780
Summary of Contents for MTD series 780
- Page 1 Safe Operation Practices • Set-Up • Operation • Maintenance • Service • Troubleshooting • Warranty OPER roR's Model Series 780 Lawn Tractor MTD LLC, P.O. BOX 361131 CLEVELAND, OHiO 44136-0019 PrintedIn USA FormNo.769-08413 (December 4 , 2012)
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Page 2: Serial Number
Visit us on the web at www.mtdproducts.com Call a Customer Support Representative at (800) 800-7310 or (330) 220-4683 See How-to Maintenance and Parts Installation Videos at www, mtdparts,com/KnowledgeCenter Write us at MTD LLC • RO. Box 361131 • Cleveland, OH • 44136-0019... -
Page 3: Important Safe Operation Practices
ImportantSafeOperation 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 12. Amissing ordamaged discharge cover can cause blade Slope Operation contact orthrown o bject injuries. Slopes are a major factor related to loss of control and tip-over 13. Stop t heblade(s) when crossing gravel drives, walks, or accidents which can result in severe injury or death. All slopes roads a nd while notcutting g rass.
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Page 5: Safe Handling Of Gasoline
Children Service Tragic accidents ca n occur if the operator is not alert to the SafeHandlingof Gasoline: presence of children. Children are often attracted to the machine and the mowing activity. They do not understand To avoid personal injury or property damage use extreme the dangers. - Page 6 Periodically check to make sure the blades come to Donot modifyengine complete stop within approximately (5) five seconds after To avoid serious injury or death, do not modify engine in any operating the blade disengagement control. If the blades way. Tampering with the governor setting can lead to a runaway...
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Page 7: Safety Symbols
SafetySymbols This page depicts and describes safety symbols that may appear on this product. Read, understand, and follow all instructions on the machine before attempting to assemble and operate. READ THE OPERATOR'S MANUAL(S) Read, understand, and follow all instructions in the manual(s) before attempting assemble and operate DANGER--... - Page 8 15° Slope 15° Slope (TOO STEEP) (OK) Figure 1 Figure2 15° das2ed line USE THiS SLOPE GAUGE TO DETERMINE iF A SLOPE iS TOO STEEP FOR SAFE OPERATION[ To check the slope, proceed as follows: Remove this page and fold along the dashed line. Locate a vertical object on or behind the slope (e.g.
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Page 9: Assembly And Setup
Characteristics and features the tractor. discussed and/or illustrated in this manual may not be applicable Shipping BraceRemoval to all models. MTD reserves the right to change product specifications, designs and equipment without notice and without incurring obligation. -
Page 10: Attachingthe Steering Wheel
AttachingThe Steering Wheel If the steering wheel for your tractor did not come attached, hardware for attaching it has been packed within the steering wheel, beneath the steering wheel cap. Carefully pry off the steering wheel cap and remove the hardware. With the wheels of the tractor pointing straight forward,... -
Page 11: Gasand Oil Fill-Up
Gasand Oil Fill-up Setting the DeckGaugeWheels (If Equipped) The gasoline tank is located under the hood. Do not overfill. Move the tractor on a firm and level surface, preferably pavement, and proceed as follows Select the height position of the cutting deck by placing gasoline. -
Page 12: Controls And Features
Controls& Features ignition Switch Throttle/Choke Lever Brake Peclal Parking Brake Lever Drive Pedal Shift Lever Deck Lift Lever Cup Holder PTO (Blade Engage) Lever NOTE: Steering wheel not shown for clarity Figure 4=1 Lawn Tractor controls and features are illustrated in Figure 4-1 and described on the following pages. - Page 13 Throttle/ ChokeControl Shift Lever The throttle control lever is located on the left side The shift lever is located on the left side of the fender and has of the tractor's dash panel. This lever controls three positions, FORWARD, NEUTRAL and REVERSE.The tractor speed of the engine, as well as the choke when it must not be in motion when the moving...
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Page 14: Decklift Lever
DrivePedal DeckLift Lever The drive pedal is located on the right side of the Found on your tractor's right fender, the deck lift tractor, along the running board. Depress the lever is used to change the height of the cutting drive pedal forward and the tractor will move in deck. -
Page 15: Operation
Operation Engaging the ParkingBrake Toengage the parkingbrake: TO AVOID SERIOUS INJURY Fully depress the brake pedal and hold it down with your OR DEATH foot. Move the parking brake lever down into the parking brake • GOUP AND DOWNSLOPES,NOT ACROSS. position. - Page 16 Stoppingthe Engine Driving OnSlopes Refer to the SLOPE GAUGE in the Important Safe Operation WARNING! If you strike a foreign object, stop the Practices section in the front of this manual to help determine engine, disconnect the spark plug wire(s) and slopes where you may operate the tractor safely.
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Page 17: Usingthe Decklift Lever
Usingthe DeckLift Lever Headlights To raise the cutting deck, move the deck lift lever to the left, then The Headlights are ON whenever the tractor's engine is running. place it in the notch best suited for your application. Refer to Setting The Cutting Height earlier in this section. -
Page 18: Maintenance And Adjustments
Maintenance& Adjustments Maintenance Reinstall the oil drain plug securely. Be careful not to overtighten. WARNING: Before performing any maintenance Refill the engine with new motor oil as instructed in the repairs, disengage PTO, move shift lever into neutral Engine Owner's Manual packed with your unit. - Page 19 DeckWash System Charging IMPORTANT: A hex bolt and washer can be found on your tractor's deck surface. When charging your tractor's battery, use only a See Figure 6-2. charger designed for 12V lead-acid batteries. Read your battery charger's Owner's Manual prior to charging your tractor's battery.
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Page 20: Seat Adjustment
See an authorized MTD Service Dealer to have your brakes properly adjusted. SECTION 6-- MAINTENANCE & ADJUSTMENTS... -
Page 21: Maintenance Schedule
MaintenanceSchedule Before Prior Every Every Every Every Each use 10 Hours 25 Hours 50 Hours 100Hours toStoring CleanHood/Dash Louvers Check EngineOil Level V/" V/" Check Air Filter for Dirty, Loose or DamagedParts CleanandRe-oilAir Filter'sFoamPredeaner Replace Air Filter Element ChangeEngineOiland Replace Oil Filter CleanBattery Terminals LubeFrontAxlesand Rims CleanEngineCooling Fins... - Page 22 Service CuttingDeckRemoval 42" Deck To remove the cutting deck, proceed as follows: Place the PTO (Blade Engage) lever in the disengaged (OFF) position and engage the parking brake. Lower the deck by moving the deck lift lever into the bottom notch on the right fender.
- Page 23 9. Carefully remove thePTO cable f rom the rear ofthecutting Connect positive (4-)cable to positive post (+) of your deck b yremoving the bow-tie c lip which s ecures it.Remove tractor's discharged battery. the spring f rom the deck i dler b racket. See Figure 7-4. Connect the other end of the cable to the (positive +) post...
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Page 24: Changing The Deckbelt
The blades may be removed as follows. Remove the deck from beneath the tractor, (refer to Cutting excessive vibration, may cause damage to the WARNING! A poorly balanced blade will cause Deck Removal earlier in this section) then gently flip the deck tractor and/or result in personal injury. - Page 25 Carefully remove the deck belt from around the two Pull the right side of the belt, and place the narrowV side of spindle pulleys and the two deck idler pulleys. See Figure the belt into the PTO pulley. 7-7. While holding the belt and pulley together, rotate the To place the new belt, begin by routing...
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Page 26: Troubleshooting
Troubleshooting Problem Cause Remedy Engine fails to start PTO/Blade engaged. 1. Place PTO lever the in disengaged (OFF) position. 2. Spark plug wire disconnected. 2. Connect wire to spark plug. 3. Fuel tank empty, or stale fuel. 3. Fill tankwith clean, (less than 30 days old) gas. -
Page 27: Replacement Parts
Characteristics and features discussed and/ or illustrated in this manual may not be applicable to all models. MTD reserves the right to change product specifications, designs and equipment without notice and without incurring obligation. NOTE: Download a complete Parts Manual free of charge at www.mtdproducts.com... -
Page 28: Attachments & Accessories
Attachments & Accessories The followingattachmentsandaccessoriesare compatiblefor these modelsof LawnTractors.See the retailerfrom whichyou purchased yourtractor,an authorizedMTDService Dealeror phone(800) 800-7310for informationregardingpriceand availability. tilleror plow). Useof this type of equipmentWILLvoidthe tractor'swarranty. CAUTION: These models of LawnTractorsare NOTdesignedfor usewith anytype of ground-engaging attachments(e.g. 19A30006OEM 42-inchDeckMulch Kit 490-850-0005 CuttingBlade Removal T ool... - Page 30 If any emission-related part on your outdoor equipment engine is defective, the part will be repaired or replaced by MTD CONSUMER GROUP INC. OWNER'S WARRANTY RESPONSIBILITIES: As the outdoor equipment engine owner, you are responsible...
- Page 31 Board m ay not b eused. The use ofany non-exempted add-on o r modified parts b ytheultimate purchaser willbegrounds fordisallowing awarranty claims. MTD Consumer Group I nc willnotbeliable t o warrant failures ofwarranted parts c aused bytheuse ofanon-exempted add-on o rmodified part.
- Page 32 Original Proof of Purchase to manufacturer's warranty for terms and conditions. obtain warranty coverage. MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019; Phone: 1-800-800-7310, 1-330-220-4683 MTD Canada Limited - KITCHENER, ON N2G 4J1; Phone 1-800-668-1238 GDOC-IO0015 REV, B...