Honda HT3810 Owner's Manual
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Honda HT3810 Owner's Manual

Honda lawn tractor owner's manual
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  • Page 3 Honda dealer. are designed to give safe and dependable damage. ALL RIGHTS RESERVED of the Honda HT3810 and withoiut incurring written permission. part of the lawn tractor and words; or death will result...

  • Page 4: Table Of Contents

    CONTENTS 1. SAFETY INSTRUCTIONS 2. COMPONENT IDENTIFICATION 3. &~JTR~LS ................10, CHECKS .

  • Page 5: Safety Instructions

    SAFETY LABEL LOCATIONS Read all safety instructions 1. SAFETY INSTRUCTIONS before operating the lawn tractor. NOT OPERATE MWER WITHOUT DISCHARGE ICLEAR LAWN OF DEBRIS AND OBJECTS. NOT MOW NEAR PEOPLE OR PETS. OBJECTS MAY GE THROWN FROM MOWER.
  • Page 6 READ OWNER’S MANUAL BEFORE OPERATING. n OPERATOR ONLY. DO NOT CARRY PASSENGERS. MAXIMUM SAFE OPERATING ANGLE 10 DEGREES. (17% GRADE) 10’MAX. I REDUCE SPEED WHEN TURNING OPERATING SLOPES. I STOP ENGINE BEFORE REMOVING GRASS CATCHER OR CLEANING DISCHARGE CHUTE. KEEP SHIELDS SAFETY DEVICES...
  • Page 7 LAWN TRACTOR SAFETY Operating a lawn tractor requires special efforts on your part to ensure your safety and the safety of others. Know these requirements you operate the lawn tractor. SAFE OPERATING RULES Always make a pre-operation engine. You may prevent an accident or equipment All parts, especially guards and shields, should be in good condition, securely fastened in place.
  • Page 8 BEFORE MOWING Before mowing, always clear the lawn of stones, sticks or other debris. These objects could be thrown out by the spinning blade and cause an in- jury or equipment damage. Select a safe operating speed (gear position) for the area to be mowed. 5th gear should be used only while driving to and from the storage area.
  • Page 9 If mowing on a sloping surface, always drive up and down the face of the grade. Never turn or drive across the face of the slope. To prevent loss of control or overturning, cise extreme caution when operating on sloping or uneven surfaces. Avoid turning or stopping instructions.

  • Page 10: Component

    3. COMPONENT SEAT SHIFT LEVER PARKING LEVER BRAKE MDA< CUTTER DECK INTAKE DECK HEIGHT / ADJUSTING LEVER IDENTIFICATION POWER TAI <E-OFF (P.T.0) LEVER rSTEERING PARKING INDICATOR ?Wl, WHEEL .IGHT HEADLIGHT SWITCH FUEL GAUGE ’ FUEL FILLER CAP...
  • Page 11 Engine compartment FUSE BOX AIR CLEANER SPARK PLUG CUTTER DECK BELT ADJUSTING PLUG OIL GRAIN KNOB...
  • Page 12 3. CONTROLS 1. Engine switch Always remove the key from the engine switch is unattended to prevent engine. This lawn tractor is equipped which controls all the electrical hand side of the control Key positions: “START” “ON” “OFF” NOTE: The starter motor will not work unless the shift lever is in NEUTRAL and the P.T.0 lever is in the OFF (Disengaged) 2.
  • Page 13 3. Cutter deck height adjusting This lever is used to raise and lower the cutter deck. To adjust the cutting height, squeeze the handle lock and then press in and hold the set button. Raise or lower the lever until the desired cutting dicator.
  • Page 14 5. Shift lever This lever is used to select reverse. The drive clutch automatically moved. The clutch will then unless the brake pedal is depressed. CAUTION: Bring the tractor ward speed to reverse, ween forward and reverse transmission damage. When shifting from one forward not force the shift lever and do not shift up or down more than one slot at a...
  • Page 15 6. Headlight switch The switch turns the headlights ON and OFF. CAUTION: To avoid discharging the battery, FAST position when using the headlights. Shift the transmission to a lower speed range to maintain a safe speed when visibility is poor. 7.
  • Page 16 8. Parking brake lever This lever is used to set the brake when the lawn tractor Pull the lever fully up until the ratchet locks, and be sure that the parking in- dicator lamp on the control NOTE: parking brake Always put the transmission setting the parking brake.

  • Page 17: Pre-Operation

    For safe and efficient before operating: To prevent and disconnect the spark plug cap before inspection. CAUTION: Inspect with the Lawn Tractor on level ground. Pull the parking brake fully up, set the shift lever in “N (Neutral)” P.T.O. lever in the “OFF” 1.
  • Page 18 2. Check the engine oil level CAUTION: Engine oil is a major factor affecting Non-detergent oil and 2-stroke Running engine damage. a. Place the lawn tractor b. Open the engine hood, clean. c. Insert the dipstick into the oil filler neck, but do not screw d.
  • Page 19 3. Check the fuel level Raise the seat and check the fuel gauge. Refill the tank if the fuel level is low. Your engin $ designed number tane number if 91 or higher. display the pump octane We recommend that engine and spark plug deposits components.
  • Page 20 Gasoline is extremely Refuel in a well-ventilated allow flames .or sparks in the area where the engine is refueled or where gasoline is stored. not overfill the fuel tank Were should be no fuel in the filler neck). After refueling, make sure the tank cap is closed properly and securely.
  • Page 21 4. Check the air cleaner 1. Remove the wing nut to remove 2. Remove the air cleaner elements. are dirty, If the elements page 42. 5. Check brake lining wear Inspect brake lining condition Press firmly on the brake pedal with your hand and then check the position of the brake wear indicator.
  • Page 22 6. Check the cutter deck drive belt and blade belt. 1. Lower the cutter deck by using the cutter deck height adjusting lever, and open the engine hood. 2. Inspect the cutter deck drive belt and blade belt for wear or damage. worn or damaged, replace the belts as described on page 48m50.
  • Page 23 7. Check the battery Open the engine hood and check the battery The electrolyte level must be maintained lines on the side of the battery. If the electrolyte level is low, remove add distilled water to the upper level line. UPPER LEVEL LOWER LEVEL The battery...
  • Page 24 8. Adjust the seat position 1. Loosen the seat mounting 2. Move the seat to a position that allows you to reach all controls easily and comfortably. 3. Tighten the seat mounting 9. Check the tire pressure CAUTION: Improper inflation ceed the manufacturer’s Check the tire pressure Pressure:...
  • Page 25 10. Blade condition Before each use, check the cutter To avoid severe disconnect the spark plug cap to prevent gloves to protect your hands from the cutter 1. Move the P.T.O. lever to the OFF (disengaged) cutter deck height adjusting 2.
  • Page 26 3. If either of the blades remove the cutter deck removal instructions but blades that are worn must be replaced. the cutter deck to your authorized have the proper tools, (see blade removal J=e3 BENT Severe personal injury thrown from under the cutter Never operate the lawn tractor Never operate the lawn tractor...
  • Page 27 5. OPERATION Starting the engine Exhaust contains poisonous carbon monoxide gas that may cause loss of conciousness and lead to death. Never run the engine in an enclosed area. Be sure to provide adequate ventilation. 1. Sit on the seat and check that the transmission P.T.0 lever is in the OFF (Disengaged) 2.
  • Page 28 3.Turn the engine switch to START. CAUTION: Do not use the starter motor for more than 5 seconds. If the engine fails to start, release the key, and wait at least 10 seconds before operating starter motor again. 4. After the engine starts, let the engine switch return to ON.
  • Page 29 6. Seat safety switch operation check. 1. Move the P.T.0 lever to ON (Engaged). Rise off the seat - the engine should stop immediately. 2. Return the P-T.0 lever to OFF (Disengaged) and restart the engine. Release the parking brake and place the shift lever in the 1st speed range.
  • Page 30 Mowing B!Hm Before operating this lawn tractor you should read and understand the LAWN TRACTOR CAUTION: In tall grass, first mow with the cutter deck fully raised (4.0 in); this will ex- pose any hidden obstacles. cleared, re-mow at the desired height. If the lawn tractor accidentally not try to ride over the obstruction the steering mechanism...
  • Page 31 2. Move the throttle lever to the FAST position. CAUTION: When mowing over rough ground or on hillsides, select the gear that will give a safe ground speed when the engine is operating at full throttle. FAST NOTE: You may operate the lawn tractor at intermediate desired, but always maintain sufficient and efficient blade operation.
  • Page 32 4. Move the shift lever to select the desired gear position. engage automatically CAUTION: If clutch than one second, have the lawn tractor serviced UPHILL STARTING PROCEDURE If possible, avoid stopping necessary to stop on a hill, follow restarting: If this procedure is not followed when restarting on an uphill slope, the lawn tractor may roll backwards during clutch engagement, it to tip over, resulting in severe personal injury..
  • Page 33 5. Cutting Patterns This cutting pattern is only recommended face. See safe operating rules page 5. To spread grass cuttings mow the outside perimeter lawn in a clockwise then rest counterclockwise. evenly, of the direction, of the lawn for a flat, level lawn sur-...
  • Page 34 Stopping the Engine In an emergency; Turn the engine switch In normal use; (1) Move the P.T.0 (2) Move the shift lever to the Neutral (3) Set the parking (4) Turn the engine mi!m Always remove lawn tractor is unattended from starting the engine.
  • Page 35 High altitude operation At high altitude, the standard carburetor air-fuel mixture will be excessively rich. Performance will decrease, and fuel consumption High altitude performance main fuel jet in the carburetor and readjusting the pilot screw. If you always operate the lawn tractor at altitudes higher than 6,000 ask your authorized Honda lawn tractor dealer to perform these carburetor modifications.
  • Page 36 6. TRANSPORTING/STORAGE Transporting Transport the lawn tractor on a ‘flat, level, heavy duty trailer. Turn the engine switch OFF and set the parking brake. Tie the lawn tractor down securely, using the tie down points shown below. CAUTION: To avoid damaging around or near them when securing the front end.
  • Page 37 Preparation for storage. The following steps should be taken to protect the tractor whenever be stored for longer than 30 days. 1. Siphon all gasoline from the fuel tank into a suitable gasoline container EEml Do not drain the fuel tank when the exhaust Disconnect the spark plug cap, and turn the engine switch to the ON posi- tion to activate...
  • Page 38 2. Change the engine oil (See p. 41) NOTE: If the lawn tractor will be stored for longer than 3 months, remove the spark plugs and pour three tablespoons motor oil into each cylinder. Place the PTO (Power Take-off) clutch several rotations position.
  • Page 39 4. Lower the cutter deck and loosen the belt tension adjusting 20). Raise the pulley on the tensioner arm side, then remove the belt from the pulleys starting from the cutter deck driven pulley. Remove the six yellow colored lock pins (three on each side), and remove the cutter deck from the tractor.
  • Page 40 7. Reinstall the cutter deck. CUTTER’DECK 8. Store the tractor on a level surface in a dry, dust-free biake lever set. 9. Cover the tractor to keep out dust. Check tire air pressure Removal from storage 1. Check the battery electrolyte and install it in the tractor.

  • Page 41: Maintenance

    Honda parts Replacement parts which of the Honda HT3810 Regular maintenance page. 7. MAINTENANCE performing engine switch HONDA dealer data and feels he is their equivalent are not of equivalent...
  • Page 42 MAINTENANCE SCHEDULE Engine fins and shroud the air cleaner more frequently when used in dusty areas. JOTE: Service These items should be serviced per tools and is mechanically proficient. See the Honda Shop Manual. (31 For professional commercial use, log hours of operation to determine proper +ntenance Clean by an authorized Honda...
  • Page 43 1. Engine oil change NOTE: Drain the oil while the engine is still warm to assure rapid and com- plete draining. 1. Open the engine hood. 2. Remove the oil filler cap and drain plug, and drain the oil into a suitable container.
  • Page 44 2. Air cleaner service A dirty air cleaner will restrict buretor malfunction, quently when operating the tractor in extremely iawl Never use gasoline air cleaner element. A fire or explosion CAUTION: Never run the engine without will result. 1. Open the engine hood.
  • Page 45 3. Spark plug service. Recommended spark plug: To ensure proper engine operation, and free of deposits. 1. Open the engine 2. Clean any dirt from around the spark plug base. 3. Use a spark plug wrench 4. Visually inspect chipped. Clean the spark plug with a wire brush if it is to be reused.
  • Page 46 6.Thread the plug in by hand to prevent 7. After a new spark plug has been seated by hand, it should be tightened turn with a wrench If a used plug is being reinstalled, after being seated. CAUTION: The spark plug must be securely can become very hot and possibly Never use a spark plug with an improper...
  • Page 47 4. Battery electrolyte Open the engine Fill, the battery with distilled battery. Any corrosion be washed off with a solution of baking soda and warm water. minals and retighten with grease. UPPER LEVEL LOWER LEVEL The battery gives off explosive tes away.
  • Page 48 5. Fuel filter Remove the fuel filter by pulling it out of its clip under the fuel tank and visually inspect it through Replace the filter if it is contaminated Gasoline is extremely Do not smoke or allow flames or sparks in the area. After installing the filter, check for leaks, and make sure the area is dry before starting the engine.
  • Page 49 7. Wheel removal Do not attempt to remove level ground. Do not attempt to remove ment and knowledge Block wheels securely. 1. Remove the center cap and cotter pin. 2. Remove the wheel hub nut with a 19 mm socket. 3.
  • Page 50 8. Cutter deck drive belt replacement Never attempt ing. Remove the engine plug cap to prevent accidental CAUTION: Wear heavy gloves to protect when working with cutter If the tractor has been running, very hot. Allow them to cool before proceeding. 1.
  • Page 51 CAUTION: When reinstalling the belt stopper, check that the clearance between 6 mm (0.1-0.2 in.), then tighten the belt stopper and pulley is 3- 6 mm bolts securely. After installing the belt and adjusting the belt tension (see page 201, start the engine and shift the P.T.O.
  • Page 52 9. Blade belt replacement 1. Lower the cutter deck, remove the six yellow colored lock pins (see p. 37) and remove the cutter deck. 2. Remove the bolt and nuts and then remove the pulley covers. 3. Pull the belt off pulley A, hold the belt securely idle pulley.
  • Page 53 10. Blade bolt tightness/Blade To avoid severe disconnect the spark plug cap to prevent gloves to protect Blade bolt tightness - 1. Remove the cutter Turn the cutter Clean dirt and grass from the blade and the inside of the cutter deck. Hold the blade firmly, blade bolt is properly tightened.
  • Page 54 Blade installation CAUTION: Use a genuine Honda replacement - 1. Clean dirt and grass from the blade, blade holder, and the inside of the cutter deck. Install the blade holder, blade, washer and blade bolt. NOTE: Right and left blades are not interchangeable. high-lift blade on the right (discharge left sides, as shown.
  • Page 55 13. Spark arrester maintenance The muffler hot for a while after stopping fler while it is hot. Allow CAUTION: The spark arrester must be serviced every 100 hours to main- tain its effifiency. 1. Remove the two 5 mm screws exhaust pipe tip and spark arrester.

  • Page 57: Trouble Shooting

    Engine fails to start; 1. No fuel. 2. Shift lever in gear. 3. P.T.O. lever engaged.- 4. Spark plug faulty improperly gapped. 5. Spark plug wire loose- or disconnected. 6. Fuel not reaching carburetor. 7. Discharged battery or - loose terminal. Engine loses power;...
  • Page 58 Erratic operation; 1. Dirty fuel. 2. Dirty air cleaner elements. 3. Spark plug faulty or - improperly gapped. Excessive vibration; 1. Loose blade or engine - mounting hardware. 2. Blade damaged or out of balance. Battery will not charge; 1. Dead cell in battery. 2.
  • Page 59 Clogged cutter deck discharge 1. Wrong blade. 2. Deck too low. 3. Engine overloaded. 4. Grass bags full (Optional part). Blades do not rotate or stop. 1. Blade drive belt worn or - broken. 2. P.T.O. lever cable cut or - out of adjustment.

  • Page 60: Specifications

    10. SPECIFICATIBNS MODEL ENGINE Model Type Displacement Bore and stroke Ignition timing Ignition system Cooling system Engine oil capacity Spark plug FRAME Dimensions Length x Width x Height Wheel tread Front Rear Wheel base Cutting width Cutting height Dry weight Tire size Air pressure Gear selections...

  • Page 61: Warranty

    Owner Satisfaction Your satisfaction and goodwill Honda warranty details are explained in the Distributor’s Normally, any problems dealer’s service department. been handled to your satisfaction, Discuss your problem with a member of dealership complaints can be quickly resolved at that level. If the problem has already been reviewed with the Service Manager, contact the owner of the dealer- ship or the General Manager.
  • Page 62 MEMO...

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