Husqvarna WG3213P, WG4815P, WG3613P User Manual

Operator's manual
WG4815P/968999278 WG3613P/968999116 WG3213P/968999114
Please read the operator’s manual carefully and make sure you
understand the instructions before using the machine.
English
OPERATOR’S MANUAL
MOWER
WG3213P WG3613P WG4815P
Contents
Introduction ............................................................ 3
Congratulations................................................... 3
General ............................................................... 3
Driving and Transport on Public Roads .............. 3
Towing ................................................................ 3
Operating ............................................................ 3
Good Service ...................................................... 4
Manufacturing Number ....................................... 4
Symbols and Decals .............................................. 5
Safety Instructions................................................. 7
General Use........................................................ 7
Driving on Slopes................................................ 9
Children............................................................. 10
Maintenance ..................................................... 11
Transport........................................................... 13
Customer responsibilities.................................. 13
Controls ................................................................ 14
Control Locations .............................................. 14
1. Recoil Starter Grip ........................................ 15
2. Ignition Switch............................................... 15
3. Motion control levers..................................... 16
4. Operator Presence Lever.............................. 16
5. Choke and Throttle Control........................... 17
6. Gear Shift Lever............................................ 17
7. Thumb Latch ................................................. 18
8. Blade Engagement Lever ............................. 18
9. Refueling....................................................... 19
10. Fuel Shut-off Valve ..................................... 20
Accessories....................................................... 20
Operation .............................................................. 21
Before Starting .................................................. 21
Starting the Engine ........................................... 22
Gearbox ............................................................ 25
Running............................................................. 25
Reversing.......................................................... 26
To operate on hills ............................................ 26
Mowing Tips ..................................................... 27
Stopping............................................................ 29
Stopping the Engine.......................................... 30
Adjustment of cutting height.............................. 31
Moving Machine by Hand ................................. 34
Maintenance ........................................................ 35
Maintenance Schedule..................................... 35
Ignition System................................................. 37
Checking the Safety System ............................ 38
Checking the Engine's Cooling Air Intake ........ 38
Checking and Adjusting the Throttle Cable and the
Choke Cable .................................................... 39
Kawasaki Engine Air Filter ............................... 40
Kohler Engine Air Filter .................................... 41
Replacing the Fuel Filter .................................. 42
Checking the Fuel Pump’s Air Filter................. 42
Checking Tire Pressures.................................. 42
Checking the Parking Brake............................. 43
Checking the V-belts ........................................ 43
Checking the Blades ........................................ 44
Brake rod adjustment ....................................... 44
Under side of rear deck.................................... 44
Cleaning and Washing ..................................... 45
Caster Wheels.................................................. 45
Hardware.......................................................... 45
Blade replacement ........................................... 46
Lubrication........................................................... 47
Lubrication Schedule........................................ 47
General ............................................................ 47
Lubricating the Cables ..................................... 48
Lubricating in Accordance with the Lubrication
Schedule .......................................................... 48
Trouble Shooting Guide ..................................... 57
Storage................................................................. 59
Winter Storage ................................................. 59
Service ............................................................. 59
Torque Specifications....................................... 62
Wiring diagram .................................................... 63
Conformity Certificates....................................... 64
USA requirements............................................ 64
Service Journal ................................................... 65
Delivery Service ............................................... 65
After the First 8 Hours ...................................... 65
25-Hour Service ............................................... 66
50-Hour Service ............................................... 67
100-Hour Service ............................................. 68
300-Hour Service ............................................. 69
At Least Once Each Year................................. 70
English-1
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.
WARNING !
Engine exhaust, some of its constituents, and certain vehicle componets contain or emit chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
English-2

INTRODUCTION

Introduction
Congratulations
Thank you for purchasing a Husqvarna Walk-BehindMower. This machine is built for the greatestefficiency and rapid mowing primarily of large areas. Controls in one place and a transmission regulated by motion controls contribute to the machine’s performance.
This manual is a valuable document. Following the instructions (use, service, maintenance, etc.) can considerably increase the l ifespan of your machine and even increase its resale value.
If you sell your machine, be sure to give this Operator’s Manual to the new owner. The final chapter of this Operator ’s Manual comprises a Service Journal. Ensure that service and repair
work is documented. A well kept service journal reduces service costs for the season-based maintenance and affects the machine’s resale value. Take the Operator’s Manual along when the machine is left to the workshop for service.
General
In this Operator’s Manual, left and right, backward and forward are used in relation to the machine’s normal driving direction.
Driving and Transport on Public Roads
Check applicable road traffic regulations before driving and transport on public roads. If the machine is transported, you should always use approved fastening equipment and ensure that the machine is well anchored.
Towing
Do not tow this machine, it may cause damage to the drive system. Do not tow any trailers, etc. with this mower. They may jackknife or overturn causing damage to the mower
and possibly serious injury to the operator.
Operating
This machine is constructed only for mowing grass on lawns and other free and level ground without obstacles such as stones, tree stubs, etc. The machine can also be used for other tasks when equipped with special accessories provided by the manufacturer,for which the operating instructions are provided in conjunction with delivery. All other types of use are incorrect. The manufacturer’s directions concerning operation, maintenance, and repairs must be carefully followed.
Lawnmowers and all power equipment, can be potentially dangerous if used improperly. Safety requires good judgement, careful use in accordance with these instructions and common sense.
The machine must only be operated, maintained, and repaired by persons that are familiar with the machine’s special characteristics and who are well versed in the safety instructions.
Accident prevention regulations, other general safety regulations, occupational safety rules, and traffic regulations must be followed without fail.
Unauthorized modifications to the design of the machine may absolve the m anufacturer from liability for any resulting personal injury or property damage.
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INTRODUCTION
Good Service
Husqvarna’sproducts are sold all over the w orld 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 i s 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., please consult the following professional:
This Operator’s Manual belongs to the machine with manufacturing number:
Engine Transmission
Manufacturing Number
The machine’s manufacturing number can be found on the printed plate of the rear part of the chassi. Stated on the plate, from the top are:
The machine’s type designation (I.D.).
The manufacturer's type number (Model).
The machine’s serial number (Serial no.) Please state the type designation and serial number when ordering spare parts.
The engine’s manufacturing number is stated on a decal. This is placed on Kawasaki engines at the left side of the crankcase. The plate states:
The engine’s serial number (E/NO).
The engine’s type designation (Code).
On Kohler engines an Engine Identification decal is placed on t he fan housing showing:
Family.
Type APP.
Model no.
Spec no.
Serial no. Please state these when ordering spare parts.
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SYMBOLS AND DECALS
Symbols and Deca ls
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.
Used in this publication to notify the reader of a risk of material d amage, particularly if the reader should neglect to follow instructions given in the manual. Used also when there is a potential for misuse or misassembly.
Warning!
Noise emissions to the surroundings in accordance with the European Union’s directive. The machine’s emission is stated in the chapter TECHNICAL
and on the
DATA
decals.. Only machines for European market
Fast
CE conformity marking
Warning! Rotating blades, keep away from the discharge deck
ChokeSlow
Do not touch rotating parts
Fuel
Parking brake.
Use protective glasses
Useprotective gloves
Do not stand here
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SYMBOLS AND DECALS
Moving sharp blades under cover.
Keep a safe distancefrom the machine.
Read Operator´s Manual.
Whole body exposure to thrown objects.
Severing of fingers & toes.
Rotating blades.
Shut off engine & remove key before performing any maintenance or repair work.
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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 t he machine before starting i t. Ensure t hat 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.
Only allow the machine to be used by adults who are familiar with its use.
Make sure nobody else is in the vicinity of the machine when you start the engine, engage the drive, or run the machine.
Read the operator’s manual before starting the machine
8011-630
Make sure animals and people maintain a safe distance from the machine.
Stop the machine if someone enters t he work area.
Clear the area of objects such as stones, toys, steel wire, etc. that may become caught in the blades and thrown out before operating unit.
Beware of the discharge deck and do not point it at any one. Do not use the machine without the discharge chute in place.
Stop the engine and prevent it from starting before you clean the discharge deck.
Remember that the operator is responsible for dangers or accidents.
Never take passengers. The machine is only intended for use by one person.
Always look down and behind before and during reversing maneuvers. Look out for both large and small obstacles.
Slow down before turning.
8011-631
Clear the area of objects before mowing
8011-632
Never take passengers
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SAFETY INSTRUCTIONS
Shut off the blades when not mowing.
Be careful when turning around fixed objects, so that the bl ades 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.
Never use the machine if you are tired, if you have consumed alcohol, or if you are takingother drugs or medication that can affect your vision, judgment, or coordination.
Beware of traffic when working near or crossing a road.
Never leave the machine unsupervised with the engine running. Always shut down the blades, engage the parking brake if so equipped, stop the engine, and remove the ignition key before leaving the machine.
Neverallow children or other persons not trained in the use of the machine to use or service it. Local laws may regulate the age of the user.
WARNING! Engine exhaust and certain
vehicle components contain or emit chemicals considered to cause cancer, birth defects, or other reproductive system damage. The engine exhaust contains carbon monoxide, which is a colorless, poisonous gas. Do not use the machine in enclosed spaces.
8011-633
Keep children away from the work area
WARNING! When using the machine, approved personal protective equipment should 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.
Make sure that you have first aid equipment close at hand w hen using the machine.
Never use the machine when barefoot. Always wear protective shoes or boots, preferably with steel toecaps.
Always wear approved protective glasses or a full visor when assembling or driving.
Always wear gloves when handling t he blades.
Never wear loose clothing that can get caught in moving parts.
Use ear protectors to avoid impaired hearing.
8011-670
Personal protective equipment
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SAFETY INSTRUCTIONS
Driving on Slopes
Driving on slopes is one of the operations where the risk is greatest that the driver will lose controlor the machine willtip 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. On uneven terrain, the machine can tip more easily. Long grass can hide obstacles.
Mow up and down, not side-to-side.
If machine stops while going uphill, disengage blades and back down slowly.
Drive evenly and slowly. Use small movements of the motion controls.
Be extra cautious with any additional equipment, which can alter the machine’s stability.
Do not
Do not make sudden changes in speed or direction.
Do not drive the machine on terrain that slopes more than 10°.
Do not mow near verges, ditches, or banks. The machine can suddenly spin around if a wheel goes over the edge of adroporditch,orifanedgegivesway.
Do not mow wet grass. It is slippery,and the tires can lose their grip, so that the machine slides.
Avoid unnecessary turns on slopes, and if it proves necessary, turn slowly and gradually downward, if possible.
8011-634
Mow up and down, not side-to-side
8011-635
Be extra cautious when driving on slopes
Avoid starting or stopping on a slope. If the tires begin to slip, shut off the blades and drive slowly straight down the slope.
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SAFETY INSTRUCTIONS
Children
Serious accidentsmay occur if you fail to be on guard f or children in the vicinity of the machine.Children are often attracted to the machine and mowing work. Never assume that children will stay where you last saw them.
Keepchildrenawayfromthemowing area and under close supervision by another adult.
Keep an eye out and shut off the machine if children enter the work area.
Beforeand duringa reversingmaneuver, look backward and downward for small children.
Never allow a child to ride with you. They can fall off and injure themselves seriously or prevent risk-free maneuvering of the machine.
Never allow children to operate the machine.
Be particularly cautious near corners, bushes, trees, or other objects that block your view.
8011-636
Never allow children to operate the machine
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SAFETY INSTRUCTIONS
D t
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 enginefrom 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. Be especially cautious when handling fuel, as carelessness can result i n personal injury or fire.
Onlystore fuel incontainers approvedfor the purpose.
Never remove the fuel tank cap and never fill the fuel tank while the engine is running.
Allow the engine to cool before refueling. Do not smoke. Do not fill fuel in the vicinity of sparks or open flames.
If leaks arise in the fuel system, the engine must not be started until the problem has been resolved.
Store the machine and fuel in such a way that there is no risk of leaking fuel or fuel vapor leading t o damages.
Check the fuel level before each use and leave space for the fuel to expand, because the heat from the engine and the sun may otherwise cause the fuel to expand and overflow.
Avoid overfilling. If you spill fuel on the machine,wipe up the spill and wait untilit has evaporated before starting the engine. If you have spilled fuel on your clothing, change your clothing.
Allow the machine to cool before taking any actions in the engine compartment.
Ensurethat nuts and bolts,especially the fasteningboltsfor the bladeattachments, are properly tightened and that the equipment is in good condition.
8011-637
Never fill the fuel tank indoors
WARNING! The engine and the exhaust
system components become very warm during operation. Risk for burns if touched.
8011-777
o not smoke when using or maintaining
he machine.
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SAFETY INSTRUCTIONS
Do not modify safety equipment. Check regularly to be sure it works properly. The machine must not be driven wi th 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. The exhaustfumes containcarbonmonoxide, an odorless, poisonous, and lethal gas.
Stop and inspect the equipment if you run over or into anything. If necessary, make repairs before starting.
Never make adjustments with the engine running.
Use protective glasses at maintenance work.
Themachine is testedand approvedonly with the equipment originally provided or recommended by the manufacturer.
The blades are sharp and can cause cutsand gashes. Wrapthe blades or use protective gloves when handling them.
Check the parking brake’s functionality regularly. Adjust and service as necessary.
When mowing in familiar areas use the mulch deck.
Reduce the risk of fire by removing grass, leaves, and other debris that may haveaccumulated on the machine. Allow the machine to cool before put ting it in storage.
Have your mower i nspected and serviced each year by an authorized Husqvarna dealer.
Use only authentic Husqvarna replacement parts to insure that the safety and quality of your mower is maintained.
8011-638
Never drive the machine in an enclosed space
Safety decals should be replaced if they are missing or illegible. Decals can be purchased from your Husqvarna dealer.
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8011-639
Clean the machine regularly
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 t railer.
Use an approved trailer to transport the machine.Activate the parkingbrake, 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 beforetransporting or driving the machine on any road.
Do not tow this machine, it may cause damage to the drive system.
Do not tow any trailers, etc. with this mower. They may jackknife or overturn causing damage to the mower and possibly serious injury to the operator.
IMPORTANT I NFORMATION The parking brake is not sufficient to lock
the machine in place during transport. Ensure that the machine is well fastened to the transport vehicle. Reverse the machine onto the transport vehicle to avoid tipping it over.
Customer responsibilities
Read and observe the safety rules.
Followa regularschedule in maintaining, caring for and using your mower.
Follow the instructions under "Maintenance” and "Storage” sections of this owner’s manual.
WARNING! This mower is equipped with an internal combustion engine and should not be
used on or near any unimproved forest-covered, bush-covered or grass-covered land unless the engine’s exhaust system 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.
A spark arrester for the muffler is available through your authorized Husqvarna dealer.
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CONTROLS

L
Controls
This operator’s manual describes the Husqvarna Walk-Behind Mowers WG3213P, WG3613P and WG4815P. The machines are fitted with a Kawasaki or Kohler four-stroke V­Twin engine, for data see “Technical data” on page 60.
Transmissionfromthe engine is made via two V-belts, one for each wheel. Using the left and right motion controls, the speed of the rear wheels is regulated.
8011-708
Walk behind mower
8011-680
ocations of the controls
Control Locations
Page Page
1. Recoil starter grip 15 6. Gear shift lever 17
2. Ignition switch 15 7. Thumb latch 18
3. Motion control lever 16 8. Blade engagement lever 18
4. Operator presence lever 16 9. Fuel cap 19
5. Choke and throttle control 17 10. Fuel shut-off valve 20
English-14
CONTROLS
R
1. Recoil Starter Grip
IMPORTANT IN FORMATION 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 compresion, then pull it briskly.
Normally this engine will not backfire. If you get backfires, contact your Husqvarna dealer for service.
2. Ignition Switch
Theignitionkeyswitchisplacedonthe control panel.
8011-498
ecoil starter grip
8011-693
Ignition key
English-15
CONTROLS
3. Motion contro l 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 thumb latches.
By releasing both controls an equal amount, the machine moves in a straight line forward.
WARNING! The machine can turn very
rapidly if one motion control lever is moved much further than the other.
In order, for example, to turn right while moving forward, move the right control towards the handle (neutral position). The rotation of the right wheel is reduced and the machine turns to the right.
8011-660
Motion control lever
With the opposite wheel still under power a turn is accomplished. If the motion control lever is squeezed even tighter the brake w ill be applied to that wheel and a tighter more abrupt turn is accomplished.
4. 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 towards 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 operate presence levers, some travel does occur.
One or both levers must be pressed against the handle for the engine to remain running, when the blades are engaged or thumb latches are not locked in the motion control levers.
8011-658
Operator presence lever
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CONTROLS
5. Choke and Throttle Control
Choke Control
The choke control is combined with the throttle control. To engage the choke, the throttle control is moved past the max rpm setting to i ts choke position.
Do not use the choke when starting a warm engine.
Throttle Control
The throttle control regulates the engine speed and thereby the rate of r otation of the blades,assuming the control forengaging the mower deck is pulled forward, see Engaging the Mower Deck.
In order to increase or decrease the engine speed, the control is moved downward or upward respectively.
8011-709
Choke and throttle control
Avoid idling the engine for longer periods, as there is a risk of the spark plugs fouling.
USE FULL THROTTLE WHEN MOWING,for best mower performance.
6. Gear Shift Lever
Gear shiftlever has five forward gear speeds, there is also a neutral and reverse gear.
Grip motion control levers before shifting gears.
8011-482
Gear shift lever in neutral position
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CONTROLS
7. Thu mb Latch
The thumb latches are used to lock the motion control levers in their neutral position e.g. when starting the engine.
Lock the motion control levers by pulling the thumb latches backward.
Unlock the motion control levers by pushing the thumb latches forward.
Parking Brake
Parkingbrakeisappliedwhenboththumb latches have locked the motion control levers in neutral position.
8. Blade Engagement Lever
8011-659
Thumb latch, locked position
The blade engagement lever is on t he left side of the control panel.
In order to engage the blades, push the lever forward. The blades are disengaged when the lever is pulled backward .
The blade engagement lever needs to be adjusted so the l ever does not come in contact with control panel when the lever is in the off position.
8011-694
Engaging the mower deck
English-18
CONTROLS
9. Refueling
The machine has one fuel tank. The tank volume is 5.3 Gallons / 20 liters.
The engine should be run on a minimum of 87-octane unleaded gasoline (no oil mix). See “Technical data” on page 60 concerning methanol and ethanol fuels.
WARNING! Gasoline is highly flammable.
Observe caution and fill the tank outdoors (see the safety rules).
WARNING! Fill to bottom of filler neck. Do
not overfill. Wipe off any spilled oil or fuel. Do not store, spill or use gasoline near an open flame.
When operating in temperatures below 32° F. (0°C.), use fresh, clean wintergrade gasoline to help insure good cold weather starting.
8011-418
Fuel tank
IMPORTANT INFORMATION Experience indicates that alcohol
blended fuels (called gasohol or using ethanol or methanol) can attract moisture which leads to separation and formation of acids during storage. Acidic gas can damage the fuel system of an engine while in st orage. To avoid engine problems, the fuel system should be emptied before storage of 30 days or longer. Drain the gas tank, start the engine and let it the run until the fuel lines and carburetor are empty. Use fresh fuel the next season. See Storage Instructions for additional information. Never use engine or carburetor cleaners in the fuel tank or permanent damage may occur.
English-19
CONTROLS
10. Fuel Shut-off Valve
The fuel shut-off valve i s placed on the fuel line below the f uel tank. The valve has two positions; ON and OFF. The figure shows the valve in the closed OFF position.
IMPORTANT I NFORMATION Close fuel valve at the end of each mowing
job.
Accessories
For mulching, there i s a BioClip attachment available. This is mounted underneath the mower deck and consists of control plates and BioClip blades.
8011-437
Fuel shut-off valve, closed
BioClip attachment
8011-566
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OPERATION

D
T
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” on page 7, and “Controls” on page 14, before starting the machine.
Perform the daily maintenance before starting(see “Maintenance Schedule” on page 35).
Check that there is sufficient fuel in the fuel tank.
The following conditions must be fulfilled before the engine can be started:
The control for engaging the blades must be in disengaged position.
The thumb latches for the motion control levers must be in the locked position.
WARNING! Do not operate the mower if the
interlock safety system allows operation or starting in any unsafe condition.
8011-694
isengaged blades
8011-659
humb latch in lock position
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