Related Manuals for Husqvarna WH3616 / 966638601
Summary of Contents for Husqvarna WH3616 / 966638601
- Page 1 Operator Manual WH3616 / 966638601 WH4818 / 966638602 WH5218 / 966638603 Please read the operator’s manual carefully and make sure you understand the instructions before using the machine. English...
- Page 2 In order to implement improvements, specifications and designs can be altered without prior notification. Note that no legal demands can be placed based on the information contained in these instructions. Use only original parts for repairs. The use of other parts voids the warranty. Do not modify or install non-standard equipment to the unit without consent from the manufacturer.
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Page 3: Table Of Contents
INTRODUCTION ... 5 General ... 5 Driving and Transport on Public Roads ... 5 Operating ... 5 Good Service ... 6 SymbOlS AND DeCAlS ... 7 General Operation ... 8 Personal Safety equipment ... 9 Slope Operation ... 9 Safe Handling of Gasoline ... 11 General maintenance ... - Page 4 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.
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Page 5: Introduction
Congratulations Thank you for purchasing a Husqvarna Walk-behind mower. This machine is built for superior efficiency to rapidly mow primarily large areas. A control panel easily accessible to the operator and a transmission regulated by steering controls both contribute to the machine’s performance. -
Page 6: Good Service
Good Service Husqvarna’s products are sold throughout 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. -
Page 7: 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! Xxxx xxxxxx xxxxx xxxx xxxxxxxxx xxxxxx xxxxxxxxx. xx xxxxxxxx xxxx xxxxxx. Used in this publication to notify the reader of a risk of personal injury or death, particularly if the reader should neglect to follow instructions given in the manual. -
Page 8: General Operation
These instructions are for your safety. Read them carefully. General Operation • Read, understand, and follow all instructions on the machine and in the manual before starting. • Do not put hands or feet near rotating parts or under the machine. Keep clear of the discharge opening at all times. -
Page 9: Personal Safety Equipment
Personal Safety Equipment WARNING! When using the machine, approved personal protective equipment (shown in illustrations) shall be used. Personal protective equipment cannot eliminate the risk of injury but it will reduce the degree of injury if an accident does happen. Ask your retailer for help in choosing the right equipment. - Page 10 Children Tragic accidents can occur if the operator is not alert to the presence of children. Children are often attracted to the machine and the mowing activity. Never assume that children will remain where you last saw them. • Keep children out of the mowing area and in the watchful care of a responsible adult other than the operator.
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Page 11: Safe Handling Of Gasoline
Safe Handling of Gasoline To avoid personal injury or property damage, use extreme care in handling gasoline. Gasoline is extremely flammable and the vapors are explosive. • extinguish all cigarettes, cigars, pipes, and other sources of ignition. • Use only approved gasoline container. •... -
Page 12: General Maintenance
General Maintenance • Never operate machine in a closed area. • Keep all nuts and bolts tight to be sure the equipment is in safe working condition. • Never tamper with safety devices. Check their proper operation regularly. • Keep machine free of grass, leaves, or other debris buildup. -
Page 13: Transport
• The mulch blades should only be used in familiar areas when higher quality mowing is desired. • Reduce the risk of fire by removing grass, leaves, and other debris that may have accumulated on the machine. Allow the machine to cool before putting it in storage. -
Page 14: Controls
This operator’s manual describes the Husqvarna Walk-behind mower. The machine is fitted with a Kawasaki four-stroke overhead valve engine. Control Locations Fuel Cap/Tank Throttle Control Choke Control Ground Speed Control blade engagement Control Hour meter (optional) Ignition Switch ContRols Using the left and right drive levers, the speed of the rear wheels is regulated for steering the machine. -
Page 15: Recoil Starter Grip
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. Ignition Switch The ignition key switch is located on the control panel at the lower right. -
Page 16: Operator Presence Levers
Operator Presence Switches located on the handle, the Operator Presence System levers serve as an additional safety feature. An electrical interlock safety system 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. -
Page 17: Throttle Control
Throttle Control The throttle control regulates the engine speed and thereby the rate of rotation of the blades, assuming the blade engagement control is engaged (pulled up). In order to increase or decrease the engine speed, the control is moved forward or backward respectively. -
Page 18: Parking Brake
Parking Brake The parking brake is located behind the right hand tire and is applied by pressing the pedal downwards. To disengage the parking brake, push down and pivot the pedal to the rear. Blade Engagement Control The blade engagement control is on the center control panel. -
Page 19: Fuel Shutoff Valve
Fuel Shutoff Valve The fuel shutoff valve is placed on the fuel line below the fuel tank. The valve is on when the turn lever is parallel to the fuel line. The OFF position will have the turn lever running perpendicular to the fuel line. See illustration. -
Page 20: Operation
Before Starting • Read the sections on Safety and Controls before starting the machine. • Perform the daily maintenance before starting (see maintenance Schedule). • Check that there is sufficient fuel in the fuel tank. The following conditions must be fulfilled before the engine can be started: •... -
Page 21: Starting The Engine
Starting the Engine Open fuel shut-off valve. Turn ignition key to ON position. Set throttle control at the lowest position and engage the choke (if needed). Do not use choke when the engine is warm. opeRatIon Fuel shutoff valve - open Ignition key Set throttle control 8062-040... - Page 22 WARNING! Do not run the engine indoors, in enclosed or poorly ventilated spaces. Engine exhaust fumes contain poisonous carbon monoxide. Confirm that the speed control lever is in the start position. IMPORTANT INFORMATION Do not let the recoil cord snap back by itself. This may damage the cord or the recoil starter assembly.
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Page 23: Running
Running Depress one operator presence lever and move the speed control to the desired speed. Pull the blade engagement control upwards. Set the desired rpm with the throttle. The best cutting and bagging is obtained with engine at top rpm. While on level terrain, squeeze both drive levers slightly. -
Page 24: Mowing Tips
Mowing Tips • Observe and mark rocks and other fixed objects in order to avoid collisions. • Properly level the cutting deck for best mowing performance. The blades should be parallel to the ground or slightly tipped down in the front. •... -
Page 25: Transport
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 straps, when transporting. - Page 26 Shut OFF the fuel valve. Set the parking brake. opeRatIon Fuel shutoff valve - closed (OFF) Parking brake 8062-007 8062-005...
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Page 27: Cutting Height Adjustment
Cutting Height Adjustment The cutting height can be adjusted by the following methods: moving spacers between the upper side and the lower side of the caster swivel according to Cutting Height Table. Rear axle height adjustment according to the following instruction. Stop engine and place drive levers and neutral locks in the lock position. -
Page 28: Cutting Height Table
Height selection holes Axle adjustment bolts (remove each side) Rear axle height adjustment IMPORTANT INFORMATION To achieve the best quality cut, the blades should be level with the ground or slightly tipped forward. opeRatIon Axle Position 8062-014 IMPORTANT INFORMATION It may be necessary to readjust drive and brake linkages. -
Page 29: 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 to maintain your machine in the best possible condition and to ensure safe operation. - Page 30 MAINTENANCE Check/adjust throttle and choke cables Check the condition of belts, belt pulleys Change the engine oil Replace the engine oil filter Clean/replace the spark plugs Replace the fuel filter Replace the air filter (paper filter) Check the caster wheels (every 200 hours) Replace the air cleaner’s pre-filter Check/adjust the mower deck Check the engine valve clearance...
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Page 31: Safety System
Safety System The machine is equipped with a safety system that prevents starting under the following conditions. The engine can only be started when: the blades are disengaged. the speed control is in the start 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. -
Page 32: Tire Pressures
MaIntenanCe Tire Pressures All tires should be at 15 psi / 103 kPa / 1 bar. 8062-042 Tire pressures Deck Belt Check every 100 hours of operation. Check for severe cracking and large nicks. NOTe: The belt will show some small cracks in normal operation. -
Page 33: Cutting Blades
Install and tighten blade bolt securely. Tighten torque 90 ft/lb (122 Nm). IMPORTANT INFORMATION Special blade bolt is heat treated. Replace with a Husqvarna bolt if required. Do not use lower grade hardware than specified. MaIntenanCe Check the cutting blades... -
Page 34: Cleaning
Cleaning Under side of rear deck Remove grass and debris. 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 the deck. - Page 35 12/12 every year 1/52 every Week 1/365 every day General Remove the ignition key to prevent unintentional movements during lubrication. When lubricating with an oil can, it must be filled with engine oil. When lubricating with grease, unless otherwise stated, use a high grade molybdenum disulphide grease.
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Page 36: Lubrication
lUbRICatIon Front Wheel Mount lubricate with a grease gun, one zerk for each wheel mount, until the grease is forced out. Use only good quality bearing grease. Grease from well-known brand names (petrochemical companies) usually maintains a good quality. Front Wheel Bearings lubricate with a grease gun, one zerk for each set of wheel bearings, until the grease is forced out. -
Page 37: Troubleshooting
Problem engine will not start engine runs rough engine seems weak Machine vibrates tRoUblesHootInG Cause • Mower deck control is engaged • speed control not in the start position • spark plug wire is off • Contamination in the carburetor or fuel line •... - Page 38 Problem engine overheats Machine moves slowly, unevenly Mower deck not engaging Uneven mowing results Machine moves when in neutral position Machine pulls to left or right tRoUblesHootInG Cause • Clogged air intake • engine overloaded • poor ventilation around engine •...
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Page 39: Winter Storage
Service When ordering spare parts, please specify the purchase year, model, type, and serial number. Always use genuine Husqvarna spare parts. An annual checkup at an authorized service workshop is a good way to ensure that the machine performs its... -
Page 40: Schematics
sCHeMatICs Lower Harness Harness Adapter... -
Page 41: Upper Harness
sCHeMatICs Upper Harness... -
Page 42: Technical Data
Engine manufacturer Type Power Fuel Fuel tank capacity Cooling Air filter Alternator Starter Transmission Transmission Speed and direction controls Speed forward Speed reverse brakes Front caster tires, smooth tread Rear tires, turf pneumatic Tire pressure Equipment Cutting Width Cutting Height Productivity Overall Dimensions Weight... - Page 43 Engine manufacturer Type Power Fuel Fuel tank capacity Cooling Air filter Alternator Starter Transmission Transmission Speed and direction controls Speed forward Speed reverse brakes Front caster tires, smooth tread Rear tires, turf pneumatic Tire pressure Equipment Cutting Width Cutting Height Productivity Overall Dimensions Weight...
- Page 44 The torque values shown should be used as a general guideline when specific torque values are not given. Grade Size ft./lbs ¼ ½ ¾ ** Grade 5 - minimum commercial quality (lower quality not recommended) Grade Size ft./lbs 13.5 43.5 70.5 teCHnICal Data HeX HeAD CAP SCReWS...
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Page 45: 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, (California emission rules etc.). Do not remove any of these labels. -
Page 46: Service Journal
action Delivery Service mount caster wheels Adjust tire pressure of all wheels according to Technical Data Check that the right amount of oil is in the engine Adjust the position of the drive levers Fill with fuel and open the fuel shutoff valve Start the engine Check that there is drive to both wheels Check the mower deck adjustment... - Page 47 action After the first 8 hours Change the engine oil 25-Hour Service Check the tire pressures Check/clean the engine’s cooling air intake Clean the air cleaner’s pre-filter (foam) Check the cutting deck seRVICe JoURnal Date, mtr reading, stamp, sign...
- Page 48 action 50-Hour Service Perform the 25-hour service Clean/replace the air cleaner’s filter cartridge (paper filter (shorter intervals for dusty operating conditions) lubricate front wheel bearings lubricate throttle/choke cable Check/adjust the parking brake 100-Hour Service Perform the 25-hour service Perform the 50-hour service Change the engine oil Check engine oil filter (every 200 hours) Clean/replace the spark plugs...
- Page 49 action 300-Hour Service Perform the 25-hour service Perform the 50-hour service Perform the 100-hour service Check/adjust the mower deck Clean the combustion chamber and grind the valve seats Check the engine valve clearance Replace the air cleaner’s pre-filter (foam) At Least Once Each Year Clean the engine’s cooling air intake (25 hours) Replace the air cleaner’s pre-filter (foam) (300 hours) Replace the air filter’s paper cartridge...
- Page 50 seRVICe JoURnal Date, mtr reading, stamp, sign action...
- Page 52 P/N 115 392127R1 09/14/10...