MTD 807 Operator'S Manual Download Page 26 | Manualshive

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26

SECTION 11: TROUBLESHOOTING

Trouble

Possible Cause(s)

Corrective Action

Engine fails to start

PTO engaged.

Parking brake not engaged.
Spark plug wire(s) disconnected.
Throttle control lever not in correct
starting position.
Choke not activated

Fuel tank empty, or stale fuel.
Blocked fuel line.
Faulty spark plug.
Engine flooded.

Place PTO knob (or lever) in disengaged (OFF)
position.
Engage parking brake.
Connect wire(s) to spark plug(s).
Place throttle lever to FAST position.

Pull out the CHOKE control (if so equipped) or place the
throttle control in CHOKE position.
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.

Engine runs erratic

Unit running with CHOKE applied.

Spark plug wire(s) loose.
Blocked fuel line or stale fuel.

Vent in gas cap plugged.
Water or dirt in fuel system.

Dirty air cleaner.

Push CHOKE control (if so equipped) in, or move the
throttle control out of the CHOKE position.
Connect and tighten spark plug wire(s).
Clean fuel line; fill tank with clean, fresh (less than 30
days old) gasoline. Replace fuel filter, if so equipped.
Clear vent or replace cap if damaged.
Drain fuel tank. Refill with clean, fresh (less than 30
days old) gasoline.
Replace air cleaner cartridge/element or clean pre-
cleaner, if so equipped.

Engine overheats

Engine oil level low.
Air flow restricted.

Fill crankcase with proper capacity and weight of oil.
Clean grass clippings and debris from around the
engine’s cooling fins and blower housing.

Engine hesitates at high RPM Spark plug(s) gap too close.

Remove spark plug(s) and reset the gap.

Idles poorly

Spark plug(s) fouled, faulty or gap too
wide.
Dirty air cleaner.

Replace spark plug(s). Set plug(s) gap.

Replace air cleaner cartridge/element or clean pre-
cleaner, if so equipped.

Excessive vibration

Cutting blade loose or unbalanced.
Damaged or bent cutting blade.

Tighten blade and spindle. Balance blade.
Replace blade.

Mower will not mulch grass
(if equipped to do so)

Engine speed too low.
Wet grass.
Excessively high grass.

Dull blade.

Place throttle control in FAST (rabbit) position.
Do not mow when grass is wet; wait until later to cut.
Mow once at a high cutting height, then mow again at
desired height or make a narrower cutting swath.
Sharpen or replace blade.

Uneven cut

Deck not balanced properly.
Dull blade.
Uneven tire pressure.

Perform side-to-side deck adjustment.
Sharpen or replace blade.
Check tire pressure in all four tires.

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Summary of Contents for 807

Page 1: ... 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 availabl...

Page 2: ...plained below For future reference please copy the model number and the serial number of the equipment in the space below ENGINE INFORMATION The engine manufacturer is responsible for all engine related issues with regards to performance power rating specifications warranty and service Please refer to the engine manufacturer s Owner s Operator s Manual packed separately with your unit for more inf...

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: ...op or shift while on the slope Tires may lose 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 ...

Page 5: ...ing is complete Do not use a nozzle lock open device e Extinguish all cigarettes cigars pipes and other sources of ignition f Never fuel 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 tank to no more than inch below bottom of filler neck to allow space for fuel expansi...

Page 6: ... understand and follow the warnings and instructions in this manual and on the machine TO REDUCE THE RISK OF INJURY DO NOT OPERATE UNLESS DISCHARGE COVER OR GRASS CATCHER IS IN ITS PROPER PLACE IF DAMAGED REPLACE IMMEDIATELY KEEP HANDS AND FEET AWAY FROM ROTATING PARTS REMOVE OBJECTS THAT CAN BE THROWN BY THE BLADE IN ANY DIRECTION WEAR SAFETY GLASSES DO NOT MOW WHEN CHILDREN OR OTHERS ARE AROUND ...

Page 7: ...P E 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 riding mower could overturn and cause serious 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 Operate RIDING mowers up and down slopes never across the face of slopes WARNING ...

Page 8: ...ne is hot or running Extinguish cigarettes cigars pipes and other sources of ignition Service the engine with gasoline and oil as instructed in the separate Briggs Stratton Operator Owner Manual or Kohler engine s Owner s Manual packed with your tractor Read instructions carefully IMPORTANT Your tractor is shipped with motor oil in the engine However you MUST check the oil level before operating B...

Page 9: ...able tie before mounting the front of the cutting deck Lower the deck lift arms by placing the lift lever in the bottom notch on the right fender Pull the deck support pin on the left side of the deck outward and align it with the hole on the rear of the left deck lift arm before releasing the pin to lock it in place as shown in Figure 3 Repeat on the right side Make certain that the PTO belt is r...

Page 10: ...off Lever G Throttle Control Lever PTO Power Take off Knob H Cruise Control Button B Choke Control I Ignition Switch C Parking Brake Button J Brake Pedal D Shift Lever K Drive Pedal E Cup Holder L Deck Lift Lever F Systems Indicator Monitor M Seat Adjustment Lever I B A H C E L K J M NOTE Steering Wheel not shown for clarity 1 10 P G F D A Style varies by model If so equipped ...

Page 11: ...lly depressed to activate the safety interlock switch when starting the tractor Ignition Switch 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 position Release the key in...

Page 12: ... operation Electric PTO Power Take off Knob To engage the power to the cutting deck or other separately available attachments on models equipped with an electric PTO pull outward on the PTO knob Push the PTO knob inward to disengage the power to the cutting deck NOTE The PTO knob must be in the disengaged OFF position when starting the engine when traveling in reverse and if the operator leaves th...

Page 13: ...he brake pedal must be depressed and the tractor must not be in motion when moving the shift lever Always bring the tractor to a complete stop prior to moving the shift lever from FORWARD HI to FORWARD LO or vice versa See Figure 8 Figure 8 IMPORTANT Never force the shift lever Doing so may result in serious damage to the tractor s transmission SECTION 5 OPERATING YOUR GARDEN TRACTOR WARNING Read ...

Page 14: ... Repair the damage before restarting and operating If the blades are engaged place the PTO knob in the disengaged OFF position Turn the ignition key counterclockwise to the OFF position Remove the key from the ignition switch to prevent unintended starting Driving The Tractor WARNING Avoid sudden starts ex cessive speed and sudden stops WARNING Do not leave the seat of the tractor without first pl...

Page 15: ...ame forward speed NOTE Cruise control can not be engaged at the tractor s fastest ground speed If the operator should attempt to do so the tractor will automatically decelerate to the fastest optimal mowing ground speed Disengage the cruise control using one of the following methods Depress the brake pedal to disengage the cruise control and stop the tractor Lightly depress the drive pedal To chan...

Page 16: ... the On Lights position of the ignition switch Refer to Figure 6 To turn the tractor s headlights off Turn the key either into the On position to leave the engine running or the Off position to shut the engine off Refer to Figure 6 NOTE Never move the key into the Start position while the engine is running Doing so may cause damage to your engine s electric starter SECTION 6 MAKING ADJUSTMENTS WAR...

Page 17: ...e jam nut after proper adjustment is achieved NOTE Threading the ball joints too far onto the drag links will cause the front tires to toe in too far Proper toe in is between 1 16 and 5 16 Front tire toe in can be measured as follows Place the steering wheel in position for straight ahead travel In front of the axle measure the distance horizontally from the inside of the left rim to the inside of...

Page 18: ...oosen the two jam nuts on the rear side of the deck stabilizer bracket See Figure 13A Locate the two lock nuts on the opposite side of the stabilizer bracket See Figure 13A Tighten the lock nuts to raise the front of the deck loosen the lock nuts to lower the front of the deck Retighten the two jam nuts loosened earlier when proper adjustment is achieved Side to Side If the cutting deck appears to...

Page 19: ...anual or Kohler engine s Owner s 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 Briggs Stratton Operator Owner Manual or Kohler engine s Owner s Manual packed with your unit Spark Plugs The spark plugs should be cleaned and the gap reset once...

Page 20: ...IVE Black wire from it s terminal first followed by the POSITIVE Red wire When re installing the battery always connect the POSITIVE Red wire its terminal first followed by the NEGATIVE Black wire Be certain that the wires are connected to the correct terminals reversing them could change the polarity and cause damage to your engine s alternating system Charging If the unit has not been put into u...

Page 21: ...and pivot it toward the discharge chute to relieve tension on the PTO belt Remove the PTO belt from around the engine pulley or electric PTO clutch if so equipped and from around the PTO idler pulley s Grasp the deck idler pulley and pivot it toward the left side of the deck to relieve tension on the belt Remove the belt from around all pulleys including the deck idler pulley Route the new belts a...

Page 22: ...rom beneath the seat IMPORTANT When removing the battery disconnect the NEGATIVE Black wire from it s terminal first followed by the POSITIVE Red wire Re install in reverse order Upper Drive Belt Locate the transmission idler pulley on the upper drive belt by looking through the battery tray opening See Figure 18 Grasp the bracket and pivot the transmission idler pulley toward the rear of the trac...

Page 23: ...e pulley or electric PTO clutch if so equipped torque the center hex bolt to between 38 foot pounds and 50 foot pounds Remove the drive belt by feeding it from both ends toward the front idler pulley on the double idler bracket and through the shifter tray hole in the front of the fender Reassemble by following the above steps in reverse order Reroute the new belt around the pulleys belt keepers a...

Page 24: ...to the trailing edge at a 25 to 30 angle See Figure 22 Figure 22 IMPORTANT If the cutting edge of the blade has already been sharpened to within 5 8 of the wind wing radius or if any metal separation is present replace the blades with new ones See Figure 22 It is important that each cutting blade edge be ground equally to maintain proper blade balance A poorly balanced blade will cause excessive v...

Page 25: ...ler from which you purchased your tractor an authorized MTD Service Dealer or phone 800 800 7310 for information regarding price and availability 190 824 is required for use of this attachment 190 608 can NOT be used in it s place Either 190 824 or 190 608 is required for use of this attachment MODEL DESCRIPTION OEM 190 118 Mulch Kit For 46 inch Decks Only OEM 190 603 Grille Guard mounts on front ...

Page 26: ...l filter if so equipped Clear vent or replace cap if damaged Drain fuel tank Refill with clean fresh less than 30 days old gasoline Replace air cleaner cartridge element or clean pre cleaner if so equipped Engine overheats Engine oil level low Air flow restricted Fill crankcase with proper capacity and weight of oil Clean grass clippings and debris from around the engine s cooling fins and blower ...

Page 27: ...27 NOTES ...

Page 28: ...LS 807 808 PARTS LIST 9 7 11 for choke 13 4 12 6 9 22 18 19 20 8 10 10 5 10 5 16 15 17 5 24 3 2 21 23 30 31 26 28 27 29 B S OHV V Twin Kohler 40 39 38 37 36 34 35 33 32 for starter cable B S Opposed Twin 14 1 25 41 42 43 ...

Page 29: ...Shield B S OHV V Twin 23 722 0263 Foam fits over fuel line 24 746 1086 Throttle Cable B S OHV V Twin Opposed Twin 25 746 1100 Throttle Cable Kohler 26 751 0645 RH Exhaust Pipe Kohler 27 751 0644A LH Exhaust Pipe Kohler 28 751 0805 Muffler Twin Inlet Kohler 29 783 0881 Engine Heat Shield Kohler 30 721 0377 Exhaust Gasket Kohler 31 712 3086 Flange Nut M8 x 1 25 6 Kohler 32 726 0272 Clamp 9 16 B S Op...

Page 30: ...dels 807 808 21 17 12 1 6 2 10 15 14 12 26 31 33 27 16 35 9 23 23 5 32 28 30 29 4 43 18 3 49 7 23 11 13 25 36 24 40 41 42 44 34 48 19 22 8 50 51 52 53 58 59 60 37 38 20 45 46 47 61 62 14 15 10 64 2 27 27 63 ...

Page 31: ...PTO 32 731 2226 Cruise Control Button 731 2228 Cruise Cover Models w o Cruise Control 33 731 2227 Parking Brake Button 34 736 0142 Flat Washer 9 32 x 1 2 x 1 16 35 747 1196 Brake Cruise Pivot Rod 36 749 1087A Dash Support Tube 37 747 1184 Hood Plenum Support Rod 38 731 2247A Hood Plenum Models with B S OHV V Twin 731 2248 Hood Plenum Models with B S Opposed Twin N A Hood Plenum Models with Kohler ...

Page 32: ... 42 36 47 48 44 16 30 28 38 33 27 31 50 11 28 29 14 8 52 17 21 10 20 12 23 21 22 24 6 2 52 14 18 25 19 5 3 4 1 16 9 7 17 15 6 26 13 35 54 53 32 56 55 Models w Manually Adjusting Seat 51 57 58 59 60 61 61 61 Models w Quick adjust Seat 62 63 67 29 68 65 66 ...

Page 33: ...w 5 16 18 x 625 29 710 0895 Self tapping Screw 1 4 15 x 75 30 731 1990 Lift Lever Cover 31 731 1993 Cover w Cup Holder 32 736 3078 Flat Washer 349 x 1 0 x 063 33 783 0677 Lift Adjustment Bracket 34 783 1280 Fender 4 Style Shown 783 0841A Fender 7 Style 35 783 1489 Seat Mounting Bracket 36 710 1268 Screw 10 16 x 375 37 712 3027 Hex Flange Lock Nut 1 4 20 38 720 0309A Seat Adjuster Grip 39 731 1989 ...

Page 34: ...34 Models 807 808 24 23 47 46 1 2 41 2 5 3 9 6 38 7 10 12 13 6 13 14 15 16 17 18 19 21 20 22 20 25 26 27 28 31 30 29 35 34 30 35 36 33 37 39 40 11 8 4 35 48 45 43 42 44 49 11 11 32 50 ...

Page 35: ...4 731 0220 Steering Wheel Cap Round 25 638 0017 LH Axle Assembly 75 Diameter 26 638 0018 RH Axle Assembly 75 Diameter 27 683 0128A Steel Pivot Bar 28 712 0431 Flange Lock Nut 3 8 16 29 714 0470 Cotter Pin 30 726 0341 Push Cap 75 31 736 0316 Flat Washer 78 x 1 589 x 06 32 731 2624 Steering Wheel Soft Grip Three Spoke 33 736 0285 Flat Washer 635 x 1 589 x 06 34 738 1011 Shoulder Screw 5 x 2 2 3 8 16...

Page 36: ...6 9 80 55 52 60 50 66 65 22 59 52 57 70 22 30 20 75 22 57 63 46 64 49 53 61 54 58 52 71 56 67 57 68 63 18 51 52 23 37 48 13 47 64 7 40 36 33 18 45 29 19 14 80 43 17 5 41 6 10 42 34 1 15 20 13 35 20 18 13 11 27 20 2 76 77 78 12 12 81 82 83 72 13 13 20 84 85 31 69 44 43 86 ...

Page 37: ...38 0372B Shoulder Spacer 380 ID 41 754 0468 Variable speed Belt 42 754 0467 Drive Belt 43 756 0981A Flat Idler 2 75 OD 44 783 0667A Transmission Torque Bracket 45 783 0669 Idler Bracket 46 647 0031 Brake Control Shaft Assembly 47 647 0032 Speed Control Shaft Assembly 48 683 0266 Drive Pedal Assembly 49 710 1135 Self Tapping Screw 5 16 18 x 2 5 50 711 0736 Ferrule 1 4 20 51 711 1363 Pin 3 8 16 x 2 ...

Page 38: ...38 49 48 44 47 11 34 37 43 15 42 41 23 40 13 10 36 8 12 9 18 20 6 36 21 17 27 14 31 31 36 29 7 12 9 18 38 30 5 28 4 35 22 26 2 25 24 16 1 19 4 32 3 33 46 15 Models 807 808 ...

Page 39: ...pping Screw 1 4 20 x 1 0 16 711 1051A Drive Shaft 17 711 1216 Output Shaft 18 712 1329 Nut 3 4 16 19 713 0446 9 tooth Sprocket 20 713 0447 16 tooth Sprocket 21 713 0448 22 link Chain 625 22 716 0131 External Snap Ring 23 717 0678 Brake Pad 24 717 1438 41 tooth Bevel Gear 25 717 1439 20 tooth Spur Gear 26 717 1440 10 tooth Spur Gear 27 717 1441 27 tooth Spur Gear 28 717 1442 37 tooth Spur Gear 29 7...

Page 40: ...40 Models 807 808 w Electric PTO 15 9 1 4a 3a 2 28 5 7 12 11 8 10 13 16 17 18 14 29 31 34 25 24 35 32 36 32 23 32 33 30 6 27 9 9 26 20 21 22 19 37 38 4b 3b Found on Models with 46 inch Deck Only ...

Page 41: ...62 9 712 3004A Flange Lock Nut 5 16 18 10 710 3180 Hex Cap Screw 5 16 18 x 1 75 11 712 3010 Hex Nut 5 16 18 12 683 0294 Idler Bracket Assembly 13 738 3056 Shoulder Screw 1 2 x 2 5 14 710 3144 Hex Cap Screw 3 8 16 x 2 0 15 710 3025 Hex Cap Screw 5 16 18 x 625 16 738 0785 Shoulder Spacer 1 38 x 445 x 36 17 736 0171 Lock Washer 7 16 18 710 3157 Hex Cap Screw 7 16 20 x 3 25 Grade 5 19 725 1706 12 volt...

Page 42: ...43 39 31 34 42 41 35 32 36 32 40 32 33 37 6 27 A 26 21 17 10 9 3 25 24 30 16 12 9 19 11 1 13 38 9 10 45 46 47 44 45 51 52 53 54 49 56 27 23 55 15 11 18 29 11 18 22 22 57 14 48 8 7 5 4 28 50 2 20 A B Refer to B on page 44 and page 46 ...

Page 43: ...top 31 783 0891B Deck Stop 32 710 0604A Self Tapping Screw 5 16 18 x 625 33 732 3080 Compression Spring 1 28 x 3 5 34 723 0444 Battery Strap 35 738 1020 Shoulder Screw 625 x 5 7 16 20 36 736 0407 Bell Washer 45 x 1 0 x 062 37 712 0459 Flange Lock Nut 7 16 20 38 783 1031A Hitch Plate 39 783 0349 Battery Tray 40 725 1426 Solenoid 12 Volt 100 Amp 41 710 0599 Self Tapping Screw 1 4 20 x 5 42 736 0222 ...

Page 44: ... 11 10 17 6 7 32 21 14 13 16 2 2 13 44 43 19 30 34 29 15 21 1 15 17 18 18 18 35 35 36 60 19 46 inch Deck Brake Assembly B 50 53 21 52 51 56 55 54 49 57 59 28 Refer to B on page 42 Found on models equipped with a manual PTO only A single pulley spindle 618 0240A is found in this location on models with a manual PTO ...

Page 45: ...ock Washer 5 16 32 736 0270 Bell Washer 265 x 75 x 062 33 738 0347 Shoulder Spacer 625 x 1 16 34 738 0373 Shoulder Screw 35 742 0611 Three in one Blade Star Center 16 28 36 742 0612 Three in one Blade Star Center 14 88 37 747 1116 Deck Release Pin 38 754 0349 Deck Belt Poly 39 738 3056 Shoulder Screw 1 2 2 5 40 756 0627B Idler Pulley 3 5 41 734 3058B Deck Wheel 5 0 42 783 0139A Idler Bracket 43 78...

Page 46: ...54 63 69 64 56 52 5 26 36 53 68 3 26 1 65 67 38 48 61 55 26 41 33 59 6 62 17 26 37 13 47 19 27 28 42 57 45 46 26 8 26 23 70 73 72 39 66 50 60 51 30 34 21 21 20 58 25 71 21 11 10 9 26 24 44 40 20 26 35 22 32 26 38 21 74 2 31 16 ...

Page 47: ...Hex Lock 1 2 13 31 712 3027 Nut 1 4 20 Hexflg Lock 32 714 0145 Pin Click 092 x 1 64 33 714 0470 Pin Cotter 1 8 x 1 25 34 714 3004 Pin Cotter 3 32 x 1 25 35 715 0108 Pin Sprg 1 4 Dia x 1 00 36 715 0246 Pin Spring 3 16 x 1 25 37 717 1553A Adjustment Deck Gear 38 731 0335 Roller Deck 39 731 3005 Front Roller 40 731 3131A Deflector Chute 41 732 0306 Spring Compression 406 x 531 x 1 75 42 732 0459 Spri...

Page 48: ...ms such as lubricants filters blade sharpening tune ups brake adjustments clutch adjustments deck adjustments and normal deterioration of the exterior finish due to use or exposure d MTD LLC does not extend any warranty for products sold or exported outside of the United States its possessions and territories except those sold through MTD LLC s authorized channels of export distribution e Parts th...

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