Husqvarna W448 Operation Manual

Husqvarna W448 Manual

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  • Husqvarna W448 | Operation Manual - Page 1
    Operator Manual Commercial Mower W436 / 967334301-00 W448 / 967334401-00 Please read the operator manual carefully and make sure you understand the instructions before using the machine. Gasoline containing up to 10% ethanol (E10) is acceptable for use in this machine. The use of any gasoline
  • Husqvarna W448 | Operation Manual - Page 2
    the instructions, contact the nearest Husqvarna dealer for assistance. To locate the nearest Husqvarna dealer, go to www.husqvarna.com. Before Operating the Unit 1. Make sure all assembly has been properly completed. 2. Understand all safety precautions provided in the manuals. 3. Review control
  • Husqvarna W448 | Operation Manual - Page 3
    19 MAINTENANCE 20 STORAGE 26 TROUBLESHOOTING 27 ©2014 All rights reserved. Orangeburg, SC. Printed in U.S.A. INTRODUCTION This manual is a valuable document. Read the contents carefully before using or servicing the machine. The following of instructions (use, service, maintenance) by all who
  • Husqvarna W448 | Operation Manual - Page 4
    Husqvarna dealer or an authorized engine manufacturer's service center. Contact a Husqvarna dealer concerning emission controls and components. General In this operator's manual machine is constructed only for mowing grass on lawns and even ground without instructions. Use only approved repair parts
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    , particularly if the reader should neglect to follow instructions given in the manual. Used also when there is a potential for misuse or misassembly. ROTATING BLADE! Keep hands and feet away. DO NOT operate mower unless guards are in operating position or bagger is attached. Do not put hands near
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    instructions on the machine and in the • Do not hang or secure any item to the manual before starting. control console. The operator's station • Anyone who operates, maintains, and/or should always remain unobstructed. services this machine must first read and • Do not pull mower parts
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    blades. • Never wear loose clothing that can get caught in moving parts. • Use ear protectors to avoid damage to hearing. Slope Operation the machine to roll over. • Use extra care while operating machine with grass catchers or other attachments; they can affect the stability of the machine. •
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    not be started until problem has been resolved. grass, parts, when necessary. • Mower blades are sharp. Wrap the blade or wear gloves, and use extra caution when servicing them. • Check brake operation frequently. Adjust and service as required. • • Maintain or replace safety and instruction
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    any enclosure. • If the fuel tank has to be drained for storage perform this task outdoors. • Maintain or replace safety and instruction labels, as necessary. • Clear debris from movable parts, but only when the power source is shut off. DO NOT spray water to clean unit. • Check to be sure all nuts
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    3. Check engine oil level. See the engine manual. 4. Add clean fuel to the fuel tank. See engine manual for type and grade. 5. Check for loose hardware CAUTION! Avoid injury! Explosive separation of tire and rim parts is possible when they are serviced incorrectly. • Do not attempt to mount a tire
  • Husqvarna W448 | Operation Manual - Page 11
    CONTROLS 6 1 5 2 11 4 3 7 6 9 7 8 10 1. Throttle Control 2. Choke Control 3. Ignition Switch 4. PTO Switch 5. Service Meter 6. Operator Presence Levers 7. Steering Levers 8. Shift Lever 9. Fuel Cap/Tank 10. Recoil Starter Grip 11. Steering Lever Latch - 11 -
  • Husqvarna W448 | Operation Manual - Page 12
    OPERATION WARNING! Avoid injury. Read and understand the entire Safety section before proceeding. Safety Interlock System WARNING! Safety interlock System failure and improper operation of unit can result in death or serious injury. ALWAYS know the safety interlock system is operating properly.
  • Husqvarna W448 | Operation Manual - Page 13
    take off) switch UP to engage the mower blades. Push the PTO switch DOWN to disengage the mower blades. Service Meter Measures the number of hours the Fuel is blended to give best seasonal performance. To avoid engine performance problems such as hard starting or vapor lock, use in-season fuel.
  • Husqvarna W448 | Operation Manual - Page 14
    Repeat until engine starts. (If engine does not start, refer to Engine Manual.) 10. After engine starts, adjust choke as needed. Allow engine to warm the Unit Use the unit only in the operator's position directly behind the controls. Shifting Stop unit movement by pulling both steering levers all
  • Husqvarna W448 | Operation Manual - Page 15
    the shift lever to set a slow ground speed. IMPORTANT To prevent damage to the PTO belt, do not engage the PTO if the mower is plugged with grass or other material. 7. Hold steering levers against the handlebar and release the lock latches. 8. Release steering levers slowly. 9. When you know how to
  • Husqvarna W448 | Operation Manual - Page 16
    . IMPORTANT DO NOT allow the blade to be less than 1/8" (3.2 mm) above the lip of the mower deck. 8. Replace mower blade and tighten blade bolt to 120 lbf-ft (163 N•m). 9. Remove supports from deck and mower frame. NOTE: Store the unused ¼" spacers on hex bolts mounted on the rear of the deck
  • Husqvarna W448 | Operation Manual - Page 17
    Recommended range for best cut quality Cutting Height Chart - Deck bolted to frame -top holes Cutting Height ¼" Blade Spacers ½" Caster Spacers In. Cm. Stored Between Below Spindle Weldment and Blade Above Weldment 1¼ 3.2 0 3 0 6 1½ 3.8 1 2 0 6 1¾ 4.4 2 1 0 6 2 5.1 3 0 0
  • Husqvarna W448 | Operation Manual - Page 18
    Parking 1. Shut off the unit. See Shut Off and Stop Mowing. 2. Remove the ignition key. 3. Lock both steering lever latches in neutral to engage the brakes. 4. Chock or block the wheels if parked on a slope. Pushing unit by hand To move the unit without the engine running: 1. Put the shift lever in
  • Husqvarna W448 | Operation Manual - Page 19
    inflation (10-14 PSI, 70-95 kPa), excessive ♦ wear or damage Perform Engine Manual Maintenance Schedule ■ Check belts and tension for wear, damage or slippage. ♦ Check, sharpen or replace mower blades ● Clean the foam air cleaner filter ■ Oil all pivot points, pin connections. Grease
  • Husqvarna W448 | Operation Manual - Page 20
    MAINTENANCE WARNING! Avoid injury. Read and understand the entire Safety section before proceeding. General Lubrication Apply a small amount of oil to the pivot points as required for smooth operation. Apply high quality lithium based grease to all lube fittings every 50 hours of operation (
  • Husqvarna W448 | Operation Manual - Page 21
    the steering levers. 3. Raise the rear of the unit so that the drive wheels are off the ground. Make sure the unit is securely supported. 4. Disconnect clutch idler pulley spring. 5. Remove traction belt guard. 6. Remove hair pin and trunnion holding steering control rod to wheel clutch weldment
  • Husqvarna W448 | Operation Manual - Page 22
    the detent plate to tolerance. 8. Reposition clutch stop, replace engine bolt, and torque both engine bolts to 17 lbf-ft (23 N•m). 9. Reinstall mower drive belt on mower clutch sheave. Belt Replacement 36" 1. Turn off the engine, remove the ignition key and allow unit to cool. 2. Remove deck cover
  • Husqvarna W448 | Operation Manual - Page 23
    the idler spring. CAUTION! Blades are sharp. Protect your hands with gloves and/or wrap blades with a heavy cloth when handling. On multi-blade mowers, rotation of one blade will cause all blades to rotate. Blade Removal 1. Turn off the engine, remove the ignition key and the ignition wire from
  • Husqvarna W448 | Operation Manual - Page 24
    . Install spacer. 11. Install pulley and nut. Tighten nut to 85 lbf-ft (115 N•m). 12. Grease the spindle. See General Lubrication. 13. Install mower blade, blade washers and blade bolt assembly. Tighten bolt to 120 lbf-ft (163 N•m). Nut Spacer Grease Fitting Washer Pulley Bearing Retaining Ring
  • Husqvarna W448 | Operation Manual - Page 25
    Bearing Bushings 1. Turn the engine off. Remove the ignition key. Remove the ignition wire from the spark plugs. 2. Raise and securely support the front of the mower deck. 3. Remove lynch pin, spacer bushings, washer and caster yoke and wheel assembly. 4. Remove and discard upper and lower bushings
  • Husqvarna W448 | Operation Manual - Page 26
    or oil to remain on any decals. Engine Refer to the engine manual to prepare the engine for storage. Fuel System Gasoline left in the the fuel system for storage: 1. Add fuel stabilizer according to manufacturers' instructions. 2. Run engine for at least 10 minutes after adding stabilizer to allow
  • Husqvarna W448 | Operation Manual - Page 27
    TROUBLESHOOTING Problem Engine will not start Unit will not move or mow with engine out of adjustment or defective. See dealer for repairs Dirty or faulty spark plug See engine manual Transmission belt or mower belt is broken, worn, or off the pulleys. Check belts for wear, damage and correct
  • Husqvarna W448 | Operation Manual - Page 28
    Mower Deck Cutting Width - in. (cm) Cutting Height - in. (cm) Cutting Height Increments - in. (cm) W436 967334301-00 W448 967334401-00 Briggs & Stratton Vanguard 3567 18 HP 3600±100 Air cooled 5.4 (8.7) Reverse Assist 0 6-Inch Band Recoil Electric PTO Clutch Refer to engine manual
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  • Husqvarna W448 | Operation Manual - Page 32
    www.husqvarna.com 115 73 95-27 Rev A 2015-01-15
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EN
Commercial
Mower
W436 / 967334301-00
W448 / 967334401-00
Please read the operator manual carefully and make sure
you understand the instructions before using the machine.
Gasoline containing up to 10% ethanol (E10) is acceptable
for use in this machine. The use of any gasoline
exceeding 10%
ethanol (E10) will void
the product warranty.
Operator Manual