Operator's manual WH4817E/968999238 WH3615E/968999237 Please read the operator’s manual carefully and make sure you understand the instructions before using the machine.
OPERATOR’S MANUAL MOWER WH3615E WH4817E Contents Contents.................................................................. 1 Introduction ............................................................ 3 Congratulations....................................................3 General ................................................................3 Driving and Transport on Public Roads ...............3 Towing .................................................................3 Operating ............................
WARNING! Failure to follow cautious operating practices can result in serious injury to the operator or other persons. The owner must understand these instructions, and must allow only trained persons who understand these instructions to operate the mower. Each person operating the mower must be of sound mind and body and must not be under the influence of any mind altering substance.
INTRODUCTION Introduction Congratulations Thank you for purchasing a Husqvarna Walk-Behind Mower. This machine is built for the greatest efficiency and rapid mowing primarily of large areas. Controls in one place and a transmission regulated by steering controls contribute to the machine’s performance. This manual is a valuable document. Following the instructions (use, service, maintenance, etc.) can considerably increase the lifespan of your machine and even increase its resale value.
INTRODUCTION Good Service Husqvarna’s products are sold all over the world and only in specialized retail stores with complete service. This ensures that you as a customer receive only the best support and service. Before the product is delivered, the machine has, for example, been inspected and adjusted by your retailer, see the certificate in the Service Journal in this operator’s manual. When you need spare parts or support in service questions, warranty issues, etc.
SYMBOLS AND DECALS Symbols and Decals These symbols are found on the machine and in the operator’s manual. Study them carefully so that you know what they mean. WARNING! Xxxxxxx xxxx xxxxxxxx xxx x Xxxxx xxxxxx xx. xx xxxxxxxx xxxxx xxx xx. Used in this publication to notify the reader of a risk of personal injury, particularly if the reader should neglect to follow instructions given in the manual. IMPORTANT INFORMATION Xxxxxxx xxxx xxxxxxxx xxx xxx xxxx xxxxxx xx.
SYMBOLS AND DECALS Moving sharp blades under cover. English-6 Keep a safe distance from the machine. Severing of fingers & toes. Read Operator´s Manual. Rotating blades. Whole body exposure to thrown objects. Shut off engine & remove key before performing any maintenance or repair work.
SAFETY INSTRUCTIONS Safety Instructions These instructions are for your safety. Read them carefully. WARNING! This symbol means that important safety instructions need to be emphasized. It concerns your safety. General Use • Read all instructions in this operator’s manual and on the machine before starting it. Ensure that you understand them and then abide by them. • Learn how to use the machine and its controls safely and learn how to stop quickly. Also learn to recognize the safety decals.
SAFETY INSTRUCTIONS • Shut down the blades when not mowing. • Be careful when turning around fixed objects, so that the blades do not hit them. Never drive over foreign objects. • Only use the machine in daylight or in other well-lit conditions. Keep the machine a safe distance from holes or other irregularities. Pay attention to other possible risks.
SAFETY INSTRUCTIONS Driving on Slopes Driving on slopes is one of the operations where the risk is greatest that the driver will lose control or the machine will tip over, which can result in serious injury or death. All slopes require extra caution. If you cannot reverse up a slope or if you feel unsure, do not mow the slope. Do as follows • Remove obstacles such as stones, tree branches, etc. • Watch out for and avoid driving over furrows, holes, and bumps.
SAFETY INSTRUCTIONS Children • Serious accidents may occur if you fail to be on guard for children in the vicinity of the machine. Children are often attracted to the machine and mowing work. Never assume that children will stay put where you last saw them. • Keep children away from the mowing area and under close supervision by another adult. • Keep an eye out and shut off the machine if children enter the work area.
SAFETY INSTRUCTIONS Maintenance WARNING! The engine must not be started when the protective plate for the mower deck’s drive belt is removed. • Stop the engine. Prevent the engine from starting by removing the spark plug cables from the spark plugs or by removing the ignition key before making any adjustments or performing maintenance. • Never fill the fuel tank indoors. • Fuel and fuel fumes are poisonous and extremely flammable.
SAFETY INSTRUCTIONS • Do not modify safety equipment. Check regularly to be sure it works properly. The machine must not be driven with defective or unmounted protective plates, protective cowlings, safety switches, or other protective devices. • Do not change the settings of governors and avoid running the engine with overly high engine speeds. If you run the engine too fast, you risk damaging the machine components. • Never use the machine indoors or in spaces lacking proper ventilation.
SAFETY INSTRUCTIONS Transport • The machine is heavy and can cause serious crushing injuries. Be extra cautious when it is loaded on or unloaded from a vehicle or trailer. • Use an approved trailer to transport the machine. Activate the parking brake, turn off the fuel supply, and fasten the machine with approved fastening devices, such as bands, chains, or ropes, when transporting. • Check and abide by local traffic regulations before transporting or driving the machine on any road.
CONTROLS Controls This operator’s manual describes the Husqvarna Walk-Behind Mowers WH3615E and WH4817E. The machines are fitted with a Kawasaki four-stroke V-Twin engine, see Technical Data on page 56. Transmission from the engine is made via two IZT gears, one for each wheel. 8011-433 Walk behind mower 8011-676 Locations of the controls Control Locations Page Page 1. Recoil starter grip 15. 8. Blade engagement switch 18. 2. Ground speed lever 15. 9. Neutral bail 19. 3.
CONTROLS 1. Recoil Starter Grip IMPORTANT INFORMATION Do not let recoil cord snap back by itself. This may damage the cord or the recoil starter assembly. Pull the recoil starter grip slowly until you feel compression, then pull it briskly. Normally this engine will not backfire. If you get backfires, contact your Husqvarna dealer for service. 8011-435 Recoil starter grip 2. Ground Speed Lever Located in the center of the console. Controls the forward speed of the mower.
CONTROLS 3. Motion control levers The machine’s speed and direction are continuously variable using the two motion control levers. When both controls are in the neutral position, the machine stands still. The controls can be locked in neutral position by the Neutral bail By moving both controls an equal amount the machine moves in a straight line forward. WARNING! The machine can turn very rapidly if one steering control is moved much further than the other.
CONTROLS 5. Operator Presence Lever Located on the handle. As an additional safety feature, these mowers are equipped with an Operators Presence System. This is an electrical interlock safety system which is activated by depressing either one or both of the Operator Presence Levers at the handle grips. Releasing both Operators Presence Levers while mowing or transporting will break the electrical circuit and cause the engine and mower to stop. The mower will not stop immediately after releasing the O.P.
CONTROLS 7. Brake/Bypass Lever Located at the back of the rear deck. Used to apply park brake or bypass the IZT gears for free wheel (neutral) condition. 8011-411 Brake/Bypass lever The functions for the lever is: 1. Drive, used when operating the machine. 2. Parking, parking brake applied. 3. Bypass, used when moving the machine by hand. Parking Brake The parking brake on IZT machines is applied when the Brake/Bypass lever is set in position 2.
CONTROLS 9. Neutral Bail Keeps the unit from moving while idling. The neutral bail will lock the motion control levers in neutral position and must be activated when starting the engine. To engage the neutral bail, pull the Ground Speed Lever fully back and press up the bail into position, see illustration. 8011-416 Neutral bail 10. Choke Control The choke control is used for cold starts to provide the engine with a richer fuel mixture. For cold starts the control should be pulled out.
CONTROLS 11. Hour Meter The hour meter displays the total operating time. It will flash CHG OIL (Change Oil) at 50 hour intervals. The flash duration is one hour before and one hour after the interval. The CHG OIL icon will come on and shut off automatically. The hour meter can not be manually reset. 8011-657 Hour meter 12. Tracking Knob Located on the right side of the ground speed lever.
CONTROLS 13. Refueling The machine has one fuel tank. The tank volume is 5.3 gallons / 20 liters. The engine shall be run on a minimum of 87-octane unleaded gasoline (no oil mix). See Technical Data concerning methanol and ethanol fuels. WARNING! Gasoline is highly flammable. Observe caution and fill the tank outdoors (see the safety rules). 8011-418 Fuel tank . IMPORTANT INFORMATION WARNING! Fill to bottom of filler neck. Do not overfill. Wipe off any spilled oil or fuel.
CONTROLS 14. Fuel Shut-off Valve The fuel shut-off valve is placed on the fuel line below the fuel tank. The valve has two positions; ON and OFF. The illustration shows the valve in the closed OFF position. IMPORTANT INFORMATION Close fuel valve at the end of each mowing job. 8011-437 Fuel shut off valve, closed Fuse The fuse is located by the lower handle. It is flat a pin fuse of the same type used in automobiles. There is one fuse at 7.5 A for Mower deck coupling.
OPERATION Operation WARNING! Be thoroughly familiar with all controls their function and how to operate them before operating the mower. Before Starting • Read the sections Safety Instructions, page 6, and Presentation, page 14, before starting the machine. • Perform the daily maintenance before starting (see “Maintenance Schedule” on page 34). • Check that there is sufficient fuel in the fuel tanks.
OPERATION Starting the Engine WARNING! Never run the engine indoors, in enclosed or poorly ventilated spaces. Engine exhaust fumes contain poisonous carbon monoxide. 1. Make sure that the blades are disengaged. 8011-668 Blades disengaged 2. Check that the neutral bail is locked. 8011-416 Neutral lock bail 3. Set the fuel valve to the ON position.
OPERATION 4. Adjust choke (if needed) Do not use choke when the engine is warm. 8011-652 Choke control 5. Turn ignition key to ON position. IMPORTANT INFORMATION 8011-656 Ignition key Do not let recoil cord snap back by itself. This may damage the cord or the recoil starter assembly. 6. Pull the recoil starter grip slowly until you feel compression, then pull it briskly. If the engine won´t start in three pulls, open the choke and try again.
OPERATION 8. Holding down at least one of the operator presence levers, engage blades and set RPM to maximum. 8011-661 Presence lever 9. Release the neutral bail. 10. Set the ground speed lever to the desired position. 8011-654 Ground speed lever Driving forward 1. Pull the ground speed lever fully back. 2. Depress one operator presence lever. 3. Unlock the motion control levers by pushing the neutral bail down out of the neutral slots. 4.
OPERATION Reversing 1. Depress one operator presence lever and pull the ground speed lever fully back. 2. Unlock the motion control levers by pushing the neutral bail down out of the neutral slots. Slowly push both motion control levers towards the handle at the same time to begin a straight line backward motion. 3. The steering system of this mower uses individual right and left motion control levers on the handle bars.
OPERATION Mowing Tips • Observe and mark rocks and other fixed objects in order to avoid collisions. • The cutting deck should be properly leveled for best mowing performance. The blades should be parallel to the ground or slightly tipped down in the front. • Only use sharp blades. • Check tire pressure. Different pressure can cause uneven mowing results. • The left hand side of the deck should be used for trimming. • Drive so that clippings are discharged onto the area that has been cut.
OPERATION • Avoid mowing wet lawns. The mowing result is poorer because the wheels sink into the soft lawn, clumps build, and the grass clippings fasten under the cowling. • Hose the mower deck with water after each use. Hose especially underneath. • Do not spray high pressure spray directly on top of spindles. • Avoid getting engine too wet. WARNING! Never drive the machine on terrain that slopes more than 10°. Mow slopes up and down, never side-to-side. Avoid sudden directional changes.
OPERATION Stopping the Engine Allow the engine to idle a minute in order to attain normal operating temperature before stopping it, if it has been worked hard. Avoid idling the engine for longer periods, as there is a risk of the spark plugs fouling. 1. Disengage the blades by depressing the blade switch. 8011-655 Disengage the blades 2. Move the throttle to the minimum position (tortoise symbol). Turn the ignition key to the stop position. 3. Remove the ignition key.
OPERATION Cutting height adjustment The cutting height can be adjusted by three methods: • Moving spacers between the upper side and the lower side of the caster swivel according to "Cutting height table". For instruction, see below. • Moving spacers between the upper side and the lower side of the blades according to "Cutting height table". For removing and installation of blades, contact your Husqvarna dealer. • Cutting deck height adjustment according to the following instruction. 1.
OPERATION c. Tip the handles up or down until the correct position is achieved. See "Cutting height table", or reference the height decal located on the muffler side of the rear deck. d. Reinstall and tighten the outer three bolts on each side. A tapered punch may be needed to help align the holes. e. Retighten the center bolts on each side and the two bolts on the front of the rear deck. 8011-404 Cutting height table 5.
OPERATION Moving by hand IMPORTANT INFORMATION Do not tow this machine, it may cause damage to the drive system. 8011-667 When pushing or pulling the mower, be sure to move brake/bypass lever to the bypass position. Brake/Bypass lever Brake/bypass lever is located on the back of the rear deck. • Move the brake/bypass lever to the bypass position. • To reengage the IZT’s move the brake/ bypass lever into the drive position. 8011-643 1. Drive position 2. Brake position 3.
MAINTENANCE Maintenance Maintenance Schedule The following is a list of maintenance procedures that must be performed on the machine. For those points not described in this manual, visit an authorized service workshop. An annual service carried out by an authorized service workshop is recommended in order to maintain your machine in the best possible condition and to ensure safe operation. Read Safety Instructions section “Maintenance” on page 10.
MAINTENANCE Daily maintenance Weekly At mainte- least nance once each Page Before After year Maintenance Maintenance interval in hours 25 50 100 Check/adjust the cutting height - Check throttle and choke cables 38 Clean the air cleaner’s pre-filter (foam) 39 z Clean the air cleaner’s filter cartridge 2) (paper filter) 39 z Change the engine oil 1) (every 200 hours) 48 z z Replace the engine oil filter (every 200 hours) 48 z z Clean/Replace the spark plugs 36 z z Replace the fu
MAINTENANCE Ignition System The engine is equipped with an electronic ignition system. Only the spark plugs require maintenance. For recommended spark plugs, see Technical Data. 1. Remove the ignition cable boot and clean around the spark plug. 2. Remove the spark plugs with a spark plug socket wrench. 3. Check the spark plugs. Replace the spark plug if the electrodes are burned or if the insulation is cracked or damaged. Clean the spark plug with a steel brush if it is to be reused. 4.
MAINTENANCE Checking the Safety System The machine is equipped with a safety system that prevents starting or driving under the following conditions. The engine can only be started when: 1. The blades are disengaged. 2. The neutral bail must be in the locked position. Make daily inspections to ensure that the safety system works by attempting to start the engine when one of the conditions is not met.
MAINTENANCE Checking and Adjusting the Throttle Cable Check that the engine responds to throttle increases and that a good engine speed is attained at full throttle. If doubts arise, contact the service workshop. If adjustments are necessary, they can be made as follows for the lower cable: 1. Loosen the clamping screw for the cable’s outer casing and move the throttle to the full throttle position. 2. Check that the throttle cable is mounted in the correct hole in the lower lever, see illustration. 3.
MAINTENANCE Replacing the Air Filter If the engine seems weak or runs unevenly, the air filter may be clogged. If run with a dirty air filter, the spark plugs can become fouled, disrupting operation. For this reason, it is important to replace the air filter regularly (see the heading Maintenance Schedule for the proper service interval). Cleaning/replacing the air filter is carried out as follows: 8011-784 Remove the air filter cowling WARNING! Allow the exhaust system to cool before performing service.
MAINTENANCE Replacing the Fuel Filter Replace the line-mounted fuel filter every 100 hours (once per season) or more regularly if it is clogged. Replace the filter as follows: 1. Move the hose clamps away from the filter. Use flat-nosed pliers. 2. Pull the filter loose from the hose ends. 3. Push the new filter into the hose ends. Position the filter with the ”FLOW” arrow pointing up toward the fuel pump. If necessary, a soap solution can be applied to the filter ends to ease mounting. 4.
MAINTENANCE Checking the Parking Brake IMPORTANT INFORMATION The parking brake is a mechanical latch brake and must not be applied when the mower is moving. Visually check that no damage is found on the lever, links, or switch belonging to the parking brake. Perform a stand still test and check that there is sufficent braking action. 8011-665 The parking brake in the engaged position To adjust the handbrake, contact the Husqvarna service workshop.
MAINTENANCE Checking the Blades In order to attain the best mowing effect, it is important that the blades are well sharpened and not damaged. Bent or cracked blades or blades with large nicks in should be replaced. Check the blade mounts. IMPORTANT INFORMATION The replacement or sharpening of blades should be carried out by an authorized service workshop. Damaged blades should be replaced when hitting obstacles that result in a breakdown.
MAINTENANCE Cleaning and Washing Regular cleaning and washing, especially under the mower deck, will increase the machine’s lifespan. Make it a habit to clean the machine directly after use, before the dirt sticks. Do not spray high pressure water directly on the top of deck spindles. 8011-639 Cleaning Caster Wheels Check every 200 hours. Lift front of unit off of ground so caster wheels can rotate freely. Tighten caster bolt (34) then back off 1/2 turn. Check that wheel rotates freely.
MAINTENANCE Blade replacement WARNING! Blades are sharp. Protect your hands with gloves and/or wrap blades with a heavy cloth when handling. • Remove blade bolt by turning counterclockwise. IMPORTANT INFORMATION To ensure proper assembly, center hole in blade must align with star on cutter housing, • • Install new or re-sharpened blade with stamped “GRASS side” facing towards ground/grass (down) or “THIS SIDE UP” facing deck and cutter housing. 8011-671 1. Blade 2. Center hole 3.
LUBRICATION Lubrication Lubrication Schedule 12/12 1/52 1/365 25h 50h 100h 200h 300h 8011-677 Lubrication schedule 12/12 Every year 1/52 Every week Lubricate with grease gun Oil change Lubricate with oil can Level check 1/365 Every day Filter change General Remove the ignition key to prevent unintentional movements during lubrication. When lubricating with an oil can, it should be filled with engine oil.
LUBRICATION Lubricating the Cables If possible, lubricate both ends of the cables and move the controls to end stop positions when lubricating. Refit the rubber covers on the cables after lubrication. Cables with sheaths will bind if they are not lubricated regularly. If a cable binds, it can disrupt operation. If a cable binds, remove the cable and hang it vertically. Lubricate it with thin engine oil until the oil begins to escape from the bottom.
LUBRICATION 4. Belt Adjuster, Mower Deck Remove the plate (four screws) and lubricate with a grease gun, one zerk, until grease is forced out. Use only good quality molybdenum disulphide grease. Grease from well-known brand names (petrochemical companies, etc.) usually maintains a good quality. IMPORTANT INFORMATION 8011-453 Be spartan and remove excess lubricant so that is does not come into contact with belts or belt pulley drive surfaces. The belt adjuster grease zerk 5.
LUBRICATION 6. Changing the Oil Filter 1. Drain the engine oil in accordance with the description under the heading Engine Oil/Change Engine Oil. 2. Disassemble the oil filter. If necessary, use a filter remover. 3. Wipe new, clean engine oil onto the seal of the new filter. 4. Mount the filter by hand with + 3/4 turn. 5. Run the engine warm, then check that there are no leaks around the oil filter seal. 8011-785 Changing the oil filter Check the oil level in the engine, fill if necessary.
LUBRICATION Checking the Oil Level Check the oil level in the engine when the machine is standing level and the engine is stopped. Remove the dipstick, wipe it clean, and then replace it. The dipstick should not be screwed into place. Take the dipstick out again and read the oil level. 8011-452 Remove the dipstick The oil level should lie between the markings on the dipstick. If the level is approaching the ”ADD” mark, fill with oil to the ”FULL” mark on the dipstick. Never fill above the ”FULL” mark.
TROUBLE SHOOTING GUIDE Trouble Shooting Guide Problem Cause The engine will not start. • The control for engaging the mower deck is in engaged position. • The motion control are not locked in the neutral position by the neutral bail. • Spark plug wires off. • Contamination in the carburetor or fuel line. • The fuel supply is closed or the fuel valve closed. • Clogged fuel filter or fuel line. • Fuel tank empty. • Faulty carburetor. • The choke control is pulled out with a warm engine.
TROUBLE SHOOTING GUIDE The engine overheats. • Clogged air intake or cooling fins. • Engine overloaded. • Poor ventilation around engine. • Defective engine speed regulator. • Too little or no oil in the engine. • Defective spark plugs. The machine moves slowly, unevenly, • Parking brake on. or not at all. • Drive belt for the IZT slack or has come off. • IZT failure. • Brake/Bypass lever misadjusted. • Drive belt for the mower deck has come loose.
TROUBLE SHOOTING GUIDE The machine pulls left or right.•The tire pressure uneven. English-52 • The motion control linkage incorrectly adjusted. • Soft terrian. • Slope to steep. • The tracking not adjusted. • The bypass misadjusted on one side.
STORAGE Storage To ready the machine for storage, follow these steps: Winter Storage 1. Thoroughly clean the machine, especially under the mower deck. Touch up damage to the paint and spray a thin layer of oil on the underside of the mower deck in order to avoid corrosion. 2. Inspect the machine for worn or damaged parts and tighten any nuts or screws that may have become loose. 3. Change the engine oil; dispose of properly. 4. Empty the fuel tanks or add a fuel stabilizer.
WIRING DIAGRAM Wiring diagrams 1. Left operator presence lever 2. Electric clutch 3. Neutral switch 4. Right operator presence lever 5. Ignition. #10 Screw type fork terminal 6. Module connector Plated terminals. 7. Clutch fuse 8. Packard connector 9.
WIRING DIAGRAMS 1. Left operator presence switch 2. Hour meter 3. Electric clutch switch 4. Neutral 5. Right operator switch 6. #10 screw type fork terminal 7. Module connector 8. Clutch 9.
TECHNICAL DATA Technical Data WH3615E WH4817E Manufacturer Kawasaki Kawasaki Type FH430V FH541V Power 15 hp / 12.5 kW 17 hp /11 kW Spark plugs / gap RCJ8Y/ .030” / 0.75 mm RCJ8Y/ .030” / 0.75 mm Oil capacity excl filter 1.6 qt / 1.5 liters 1.6 qt / 1.5 liters Oil capacity incl filter 1.8 qt / 1.7 litres 1.8 qt / 1.
TECHNICAL DATA WH3615E WH4817E Weight 460 lbs / 209 kg 485 lbs / 220 kg Base maschine lenght 75” / 191 cm 72” / 183 cm Base machine width 47” / 119 cm 59” / 150 cm Base machine height 42” /106 cm 42” /106 cm Overall width, Chute up 37” / 94 cm 49” / 125 cm Overall width, Chute down 47” / 119 cm 59” / 150 cm Overall dimensions Torque Specifications Engine crankshaft bolt 50 ft/lb (67 Nm) Deck pulley bolts 45 ft/lb (61 Nm) Hydraulic tube nuts 30 ft/lb (41 Nm) Wheel motor hub nut 90
CONFORMITY CERTIFICATES Conformity Certificates USA requirements Labels are placed on the engine and/or in the engine compartment stating that the machine will fulfill the requirements. This is also applicable to special requirements for any of the states, (Californian emission rules etc.). Do not remove any of these labels. Certificates can also be supplied with the machine at delivery or written in the Engine manual. Take care of them as valuable documents.
SERVICE JOURNAL Service Journal Action Date, mtr reading, stamp, sign Delivery Service 1. Mount the caster wheels. 2. Adjust the tire pressure of all wheels to 1 bar (15 PSI). 3. Check that the right amount of oil is in the engine. 4. Adjust the position of the steering controls. 5. Fill with fuel and open the fuel shut-off valve. 6. Connect the exhaust fumes extractor. 7. Start the engine. 8. Check that there is drive to both wheels. 9. Check the mower deck adjustment. 10.
SERVICE JOURNAL Action 25-Hour Service 1. Check the fuel pump’s air filter. 2. Check the tire pressures. 3. Lubricate the belt adjuster, mower deck. 4. Check/clean the engine’s cooling air intake. 5. Clean the air cleaner’s pre-filter (foam). 6. Inspect/Replace blades.
SERVICE JOURNAL Action Date, mtr reading, stamp, sign 50-Hour Service 1. Perform the 25-hour service. 2. Clean/replace the air cleaner’s filter cartridge (paper filter) (shorter intervals for dusty operating conditions). 3. Check/adjust the parking brake. 4. Lubricate the front wheel bearings. 5. Lubricate outer belt wheels. 6. Lubricate throttle and choke cables.
SERVICE JOURNAL Action 100-Hour Service 1. Perform the 25-hour service. 2. Perform the 50-hour service. 3. Change engine oil. 4. Check whether the engine oil filter needs changing (every 200 hours). 5. Clean/replace the spark plugs. 6. Replace the fuel filter. 7. Clean the cooling fins on the engine and transmission. 8. Check V-belts pulleys etc. 9. Check tighten caster wheel axle bolts (every 200 hours). 10.
SERVICE JOURNAL Action Date, mtr reading, stamp, sign 300-Hour Service 1. Inspect the machine. Come to agreement with the customer as to which additional work is to be carried out. 2. Perform the 25-hour service. 3. Perform the 50-hour service. 4. Perform the 100-hour service. 5. Clean the combustion chamber and grind the valve seats. 6. Check the engine valve clearance.
SERVICE JOURNAL Action At Least Once Each Year 1. Clean the engine’s cooling air intake (25 hours). 2. Replace the air cleaner’s pre-filter (foam) (200 hours). 3. Replace the air filter’s paper cartridge (200 hours). 4. Change the engine oil (100 hours). 5. Replace the engine oil filter (200 hours). 6. Check/adjust the cutting height. 7. Check/adjust the parking brake (50 hours). 8. Clean/Change the spark plugs (100 hours). 9. Change the fuel filter (100 hours). 10.
110569R01 07/26/05
