Husqvarna W21K, W21SK, W21SBK, W53SBEK, W53SEK, W21KC, W21SKC, W21SBKC - Manual

English- 4 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 inspec...

English- 5 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. Used in this publication to notify the reader of a risk of personal injury , particularly if the reader should neglect to follow...

English- 7 SAFETY INSTRUCTIONS Safety Instructions These instructions are for your safety. Read them carefully. This cutting machine is capable of amputating hands and feet and throwing objects. Failure to observe the following safety instructions could result in serious injury or death. General Use...

English- 8 SAFETY INSTRUCTIONS • Do not put hands or feet near or under rotating parts. Keep clear of the discharge opening at all times • Do not pull mower backwards unless absolutely necessary. Always look down and behind you before and while moving backwards. • Slow down before turning. • Never o...

English- 9 SAFETY INSTRUCTIONS • Always wear gloves when handling the blades. • Never wear loose clothing that can get caught in moving parts. • Use ear protectors to avoid damage to hearing. • Stop the blade when crossing gravel drives, walks, or roads. • Shut the engine off and wait until the blad...

English- 10 SAFETY INSTRUCTIONS • Do not drive the mower on terrain that slopes more than 10°. • Do not mow near verges, ditches, or banks. The operator could lose footing or balance. • Do not mow wet grass. Reduced footing could cause slipping • Do not turn on slopes unless necessary, and then, tur...

English- 11 SAFETY INSTRUCTIONS • Keep the nozzle in contact with the rim of the fuel tank or container opening at all times until fueling is complete. Do not use a nozzle lock-open device. • Never fill containers inside a vehicle or on a truck or trailer bed with a plastic liner. Always place conta...

English- 12 SAFETY INSTRUCTIONS • Never make adjustments with the engine running. • Ensure that nuts and bolts, especially the fastening bolts for the blade attachments, are properly tightened, torqued and that the equipment is in good condition. • Do not modify safety equipment. Check regularly to ...

English- 13 SAFETY INSTRUCTIONS • Check and abide by local traffic regulations before transporting. • Do not tow this machine, it may cause damage to the drive system. Customer responsibilities • Read and observe the safety rules. • Follow a regular schedule in maintaining, caring for and using your...

English- 13 CONTROLS Controls This operator’s manual describes the Husqvarna Pro Push Mower. The mower is fitted with a Kawasaki engine. Control Locations Page Page 1 Engine speed 14 7 BBC control 16 2 Fuel shut off valve 14 8 Cutting height 16 3 Fuel tank cap 14 9 Ground Speed Bail 17 4 Operator pr...

English- 14 CONTROLS Engine Speed The engine speed was set at the factory for optimum performance. Speed is not adjustable Operator Presence Control (OPC) Models: W21SBK, W53SBEK, W21SBKC Your lawn mower is equipped with an operator presence control (OPC). The engine will start whether the OPC is en...

English- 15 CONTROLS . When operating in temperatures below 32° F. (0° C.), use fresh, clean winter grade gasoline to help insure good cold weather starting. Choke Control (All Models) The choke control is used for cold starts in order to provide the engine with a richer fuel mixture. For cold start...

English- 17 CONTROLS Cutting height The cutting deck height is obtained by raising the wheels for low cut and lowering wheels for high cut, adjust cutting height to suit your requirements. Medium position is best for most lawns. To change your cutting height, squeeze adjuster lever toward wheel. Mov...

English- 18 CONTROLS Shut Off Engine Models: W21SBK, W53SBEK, W21SBKC To stop engine, release OPC bail to stop blades. Pull back on throttle control to stop engine Models: W21SK, W53SEK, W21SKC Pull throttle control back to slow speed. Release OPC bail to stop engine. Model: W21K, W21KC Pull throttl...

English- 19 CONTROLS Mulching Kits are available separately, containing blade and mulch plug. To Convert Mower Your lawn mower was shipped as a rear discharge mower. To convert to bagging or side discharge: REAR BAGGING • Lift rear door of the lawn mower and place the grass catcher frame hooks onto ...

English- 20 OPERATION Before Starting Engine ADD OIL Your lawn mower is shipped without oil in the engine. For type and grade of oil to use see “ENGINE” in the Maintenance section of this manual or the engine manual. 1. Be sure lawnmower is level. 2. Remove oil dipstick from oil fill spout. 3. Engin...

English- 21 OPERATION TO START ENGINE NOTE: Due to protective coatings on the engine, a small amount of smoke may be present during the initial use of the product and should be considered normal. To start a cold engine, push the throttle control lever to the choke position. Models: W21SBK & W53S...

English- 22 OPERATION Transmission Selector BBC Self propelled Models Only Models: W21SBK, W53SBEK, W21SBKC Mowing Prepare the area before mowing. Look for obstacles, remove foreign objects and clear the work area of pets and bystanders. Check the equipment for fuel, oil, loose fasteners etc. Make s...

English- 23 OPERATION Set throttle control to high speed. Engage Operator Presence Control (OPC). Engage Blade Brake Control (BBC). Engage Ground Speed Bail to begin mowing. TIP: To extend clutch life do not engage BBC and start blade while in tall grass. Start the blade in short cut grass or over a...

English- 25 OPERATION Self Propelled Models Only Models: W21SK, W53SEK, W21SKC Mowing Prepare the area before mowing. Look for obstacles, remove foreign objects and clear the work area of pets and bystanders. Check the equipment for fuel, oil, loose fasteners etc. Make sure the equipment is in top s...

English- 27 OPERATION Push Models Only Model: W21K, W21KC Prepare the area before mowing. Look for obstacles, remove foreign objects and clear the work area of pets and bystanders. Check the equipment for fuel, oil, loose fasteners etc. Make sure the equipment is in top shape. Correct any defects be...

English- 28 OPERATION Mowing Tips Under certain conditions, such as very tall grass, it may be necessary to raise the height of cut to reduce pushing effort and to keep from overloading the engine and leaving clumps of grass clippings. It may also be necessary to reduce ground speed and/or run the l...

English- 29 OPERATION Mulching Mowing Tips • The special mulching blade will recut the grass clippings many times and reduce them in size so that as they fall onto the lawn they will disperse into the grass and not be noticed. Also, the mulched grass will biodegrade quickly to provide nutrients for ...

English- 30 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 re...

English- 31 MAINTENANCE General Recommendations The warranty on this lawn mower does not cover items that have been subjected to operator abuse or negligence. To receive full value from the warranty, operator must maintain mower as instructed in this manual. Some adjustments will need to be made per...

English- 32 MAINTENANCE using a spark plug wrench so that the washer is compressed. A used spark plug should be turned 1/8 of a turn from the seated position. A new spark plug should be turned 1/4 a turn from the seated position. Replace the ignition cable. Checking the Engine's Cooling Air Intake C...

English- 33 MAINTENANCE Checking and Adjusting the Throttle Cable and Choke 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: 1....

English- 34 MAINTENANCE Replacing 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, disturbing operation. For this reason, it is important to replace the air filter regularly (see the heading Mainte...

English- 35 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...

English- 36 MAINTENANCE Checking the V-belts Check every 100 hours of operation. Check for severe cracking and large nicks. NOTE: The belt will show some small cracks in normal operation. The belts are not adjustable. Replace belts if they begin to slip from wear. Checking the Blade In order to atta...

English- 37 MAINTENANCE Blade replacement: • Remove blade bolt by turning counterclockwise. • Install new or resharpened blade with stamped “GRASS SIDE” facing towards ground/grass (down) or “THIS SIDE UP” facing deck and cutter housing. • Install and tighten blade bolt securely. Torque blade bolt t...

English- 38 MAINTENANCE Grass Catcher • The grass catcher may be hosed with water, but must be dry when used. • Check your grass catcher often for damage or deterioration. Through normal use it will wear. If catcher needs replacing, replace only with approved replacement catcher shown in the Repair ...

English- 39 MAINTENANCE Adjusting the Lawn Mower Adjusting Cutting Height See “TO ADJUST CUTTING HEIGHT” In the Operation section of this manual. Rear Deflector The rear deflector, attached between the rear wheels of your mower, is provided to minimize the possibility that objects will be thrown out...

English- 40 MAINTENANCE Engine Adjustment Engine Speed Your engine speed has been factory set. Do not attempt to increase engine speed or it may result in personal injury. If you believe that the engine is running too fast or too slow, take your lawn mower to an authorized service center for repair ...

English- 41 LUBRICATION Lubrication Keep unit well lubricated (See “LUBRICATION CHART”). IMPORTANT: DO NOT OIL OR GREASE PLASTIC WHEEL BEARINGS. VISCOUS LUBRICANTS WILL ATTRACT DUST AND DIRT THAT WILL SHORTEN THE LIFE OF THE SELF-LUBRICATING BEARINGS. IF YOU FEEL THEY MUST BE LUBRICATED, USE ONLY A ...

English- 42 LUBRICATION Change the oil after every 25 hours of operation or at least once a year if the lawn mower is not used for 25 hours in one year. Check the crankcase oil level before starting the engine and after each five (5) hours of continuous use. Tighten oil plug securely each time you c...

English- 43 LUBRICATION 6. Changing the Oil Filter 1. Drain the engine oil in accordance with the work description under the heading Engine Oil/Change Engine Oil. 2. Remove the oil filter. If necessary, use a filter remover. 3. Wipe new, clean engine oil onto the seal for the new filter. 4. Mount th...

English- 44 TROUBLE SHOOTING GUIDE Trouble Shooting Guide Problem Cause The engine will not start. • Dirty air filter. • Out of fuel. • Stale fuel. • Water in fuel. • Spark plug wire is disconnected. • Bad spark plug. • Loose blade or broken blade adapter. • Control bar in released position. • Contr...