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Worldlawn Power Equipment, Inc.
Industrial Park 2415 Ashland Ave. Beatrice, NE 68310
Toll Free Number: 1-800-267-4255
Operator's Manual
WY28T Lawn Mower
Safety Information
Adjustments & Repairs
Accessory
R

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Table of Contents
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Summary of Contents for Worldlawn WY28T

  • Page 1 Operator’s Manual WY28T Lawn Mower Safety Information ● Adjustments & Repairs ● Accessory ● Worldlawn Power Equipment, Inc. Industrial Park 2415 Ashland Ave. Beatrice, NE 68310 Toll Free Number: 1-800-267-4255...
  • Page 2 OPERATOR’S MANUAL This manual contains assembly, operating, maintenance, adjustment, and safety instructions for your WY28T lawnmower. Before operating your mower, read this manual in its entirety carefully. By following the operating, maintenance, adjustment, and safety instructions, you will prolong the life of your mower, maintain its maximum efficiency, and promote safe operation.
  • Page 3: Table Of Contents

    TABLE OF CONTENTS …………………………………………………………………………………... SAFETY ……………………………………………………………………….. 5 Safety Alert Symbol ………………………………………………………………………………….. Training ……………………………………………………………………………….. Preparation ………………………………………………………………………………..Operation …………………………………………………………………..Maintenance & Storage …………………………………………………………………………..10 Safety Decals ……………..………………………………………………………….. 13 SPECIFICATIONS ……………………………………………………………………………. 13 Model Number …………………………………………………………………………………..Engine …………………………………………………………………………… 13 Frame Assembly ……………………………………………………………………………...
  • Page 4: Electrical Diagram

    ……………………………………………………………… 5.1.6 Check for Loose Hardware ………………………………………………………………………. 20 5.1.7 Service Air Cleaner ……………………………………………………………………….. 20 5.1.8 Change Engine Oil ……………………………………………………………………… 5.1.9 Check Tire Pressure ……………………………………………………………….. 21 5.1.10 Check Condition of Belts ……………………………………………………………….. 21 5.1.11 Lubricate Grease Fittings ………………………………………………………………………………. 22 Adjustments ……………………………………………………………………. 26 TROUBLESHOOTING ……………………………………………………………………...
  • Page 5: Safety

    1.3.1 Evaluate the terrain to determine what accessories and attachments are needed to properly and safely perform the job. Only use accessories and attachments approved by Worldlawn Power Equipment, Inc. 1.3.2 The use of personal protective equipment, such as (but not limited to) protection for the eyes, ears, feet, and head is recommended.
  • Page 6 POTENTIAL HAZARD · Engine exhaust contains carbon monoxide, which is an odorless deadly poison. WHAT CAN HAPPEN · Carbon monoxide can kill you. HOW TO AVOID THE HAZARD · Do not run engine indoors or in a small confined area where dangerous carbon monoxide fumes can collect. POTENTIAL HAZARD ·...
  • Page 7: Operation

    POTENTIAL HAZARD · In certain conditions gasoline is extremely flammable and highly explosive. WHAT CAN HAPPEN · A static charge can ignite gasoline vapors. A fire or explosion from gasoline can burn you, others, and cause property damage. HOW TO AVOID THE HAZARD ·...
  • Page 8 POTENTAL HAZARD · Operating engine parts, especially the muffler, become extremely hot. WHAT CAN HAPPEN · Severe burns can occur on contact. · Debris, such as leaves, grass, brush, etc. can catch fire. HOW TO AVOID THE HAZARD · Allow engine parts, especially the muffler, to cool before touching. ·...
  • Page 9  Use a hand trimmer only near drop-offs, ditches, steep banks, or water. This area can be dangerous, see Figure 1.  Progressively greater care is needed as the slope increases.  Always avoid sudden starting or stopping on a slope. If tires lose traction, disengage the blades and proceed slowly off the slope.
  • Page 10: Maintenance & Storage

    1.6.2 Safety decals must be replaced if they are missing or illegible. 1.6.3 When new components are installed, be sure that current safety decals are affixed to the replaced components. Worldlawn 1.6.4 New safety decals may be obtained from your authorized equipment dealer or distributor or from Power Equipment, Inc.
  • Page 11 3. On the panel of mower deck 4. On the panel of mower deck 5. On the panel of mower deck and guard plate of LH&RH belt shield 6. In front of the console plate 7. On the panel of rear frame...
  • Page 12 8. On the panel of mower deck 9. On the Mower Deck 9. On the Mower Deck 10. On the panel of console (Recoil BS&Honda) 11. On the left side of front frame 12. On the right side of front frame 13.
  • Page 13: Specifications

    2. SPECIFICATIONS 2.1 Model Number: WY28T11BS、WY28T11BSE、WY28T11HD、WY28T11HDE 2.2 Engine: MODEL ENGINE STARTER WY28T11BS B&S10.5HP Intek I\C Recoil WY28T11BSE B&S11.5HP Intek I\C Electric WY28T11HD HONDA 11HP Recoil WY28T11HDE HONDA 11HP Electric 2.3 Frame Assembly  Front Frame: Rectangle tube 1.6"×1.18"×0.12"  Thickness (Steel plate of engine frame): 0.12" ...
  • Page 14: Accessories

    will travel straight forward. To make a right turn, squeeze the RH steering lever. To turn left, squeeze the LH steering lever. Squeeze both steering levers, lock right and left neutral latches, and the mower will stop.  Neutral Latches: Located on bottom of the handles. They are used to lock the steering brake levers when stopping. ...
  • Page 15: Torque Requirements

    2.8.2 Overall Length: 67.3in(171.0cm) 2.8.3 Overall Height: 42.9in (109.0cm) 2.8.4 Tread:  Drive Wheel Tread: 23in(58.6cm)  Caster Wheel Tread: 20.6in(52.3cm) 2.8.5 Wheelbase:  31.9in(81cm) 2.8.6 Curb Weight: 338lbs(154Kg) 2.9 Torque Requirements  Cutter Housing Spindle Nut: 66± 13ft-lb (90±18N-m) ...
  • Page 16: Service Engine

    FIG 4 FIG 5 3.3 Service Engine Engine is shipped without oil. Fill to the appropriate level with SAE10W-30 or 10W-40. 4. OPERATION INSTRUCTIONS Read these instructions carefully before operating the mower. 4.1 PRE-START  Fill fuel tanks. For best results use only clean, fresh, regular grade, unleaded gasoline with an octane rating of 87 or higher.
  • Page 17: Starting Engine

    4.2 Starting Engine  Turn the key switch to the “ON” position. The transmission must be in neutral, the blade drive lever must be disengaged. 1) For recoil with key, turn the key switch to the “ON” position, pull the cable to start the engine. 2) For recoil without key, intermittently pull the cable to start the engine.
  • Page 18: Maintenance&Adjustments

    5.MAINTENANCE&ADJUSTMENTS POTENTIAL HAZARD · While maintenance or adjustments are being made, someone could start the engine. WHAT CAN HAPPEN · Accidental starting of the engine could seriously injure you or other bystanders. HOW TO AVOID THE HAZARD · Remove the key from the ignition switch and pull the wire off the spark plug before you do any maintenance.
  • Page 19: Clean Grass Build-Up From Under Deck

     POTENTIAL HAZARD · Excessive debris can cause the engine and hydraulic system to overheat. WHAT CAN HAPPEN · Excessive debris around the engine cooling air intake and inside of the pump compartment can create a fire hazard. HOW TO AVOID THE HAZARD ·...
  • Page 20: Check Safety Interlock System

    Remove your hands from the Operator Presence Control Lever when the engine is running and the engine should stop running within 3 seconds. NOTE: If machine does not pass any of these tests, do not operate. Contact your authorized WORLDLAWN POWER EQUIPMENT SERVICE DEALER. It is essential that operator safety mechanisms be connected and in proper operating condition prior to use for mowing.
  • Page 21: Check Tire Pressure

     Drain oil while engine is warm from operation.  Replace the oil filter every other oil change. Clean around oil filter and unscrew filter to remove. Before reinstalling new filter, apply a thin coating of oil on the surface of the rubber seal. Turn filter clockwise until rubber seal contacts the filter adapter;...
  • Page 22: Adjustments

    5.2 ADJUSTMENTS IMPORTANT: Disengage PTO, shut off engine, wait for all moving parts to stop, and remove key before servicing, cleaning, or making adjustments to the unit. 5.2.1 Cutting Height Adjustment.  Stop engine, wait for all moving parts to stop, and remove key or pull out spark plug lead. ...
  • Page 23 FIG 9 5.2.3 Transmission Drive Belt Adjustment.  Stop engine, wait for all moving parts to stop, and remove key or pull out spark plug lead.  Transmission drive belt is on the underside of the engine frame weldment. Adjust the belt so that the belt moves 1/4″ with 10 pounds of pressure;...
  • Page 24  When the mower pulls left or right or is not driving in line in normal conditions, the steering linkage on left, right or both sides needs to be adjusted. Check tire pressure. See FIG 12.  Remove bolt of the belt guard of drive belt. Remove belt guard. Lift brake control rod to loosen idler pulley. Remove the belt from the large belt pulley and tire.
  • Page 25 Reinstall rod into lever bracket hole and add cotter pin. (See FIG 14) FIG 14 5.2.8 Blade Control Rod Adjustment  Stop engine, wait for all moving parts to stop, and remove key or pull out spark plug lead.  Blade handle should be in the engage position.
  • Page 26: Troubleshooting

     Use 18# (80-90 gear lube) gear oil 0.26quart (0.25liter) in gear case; use funnel to fill.  Install filter in gear case; tighten. Clean gear case surface thoroughly. (See FIG 16) FIG 16 6. TROUBLESHOOTING 6. TROUBLESHOOTING 6.1 MOWER PULLS LEFT OR RIGHT Check air pressure in tires, 30PSI(210kPa).
  • Page 27: Service Battery

    ENGINE TROUBLESHOOTING TABLE Will not start Hard starting Stops suddenly Lacks power Operates erratically Knocks or pings Skin or misfires Backfires Overheats High fuel consumption 1→NO FUEL 2→IMPROPER FUEL 3→DIRT IN FUEL LINE 4→DIRTY AIR FILTER 5→FAULTY SPARK PLUG 6→ENGINE OVERLOADED 7→BLOCKED FUEL FILTER 8→INCORRECT OIL LEVEL 7.
  • Page 28: Check Battery

    7.1 CHECK BATTERY Check the voltage of the battery with a digital voltmeter. Locate the voltage of the battery in the table below and charge the battery for the recommended time interval to bring the charge up to a full charge of 12.6Volts or greater. IMPORTANT: Make sure the negative &...
  • Page 29: Maintenance Period

    · Battery contains sulfuric acid. Avoid contact and always shield eyes, face, skin, and clothing from battery. Cigarettes, flames, or sparks could cause battery to explode ·Do not charge or use booster cables or adjust post connection without proper training. ·If battery acid comes in contact with skin or eyes, flush with water and call a physician immediately.
  • Page 30: Electrical Diagram

    8. ELECTRICAL DIAGRAM Recoil Start-up Wiring Harness (B&S11HP) Electrical Start-up Wiring Harness (B&S11HP)
  • Page 31: Limited Warranty

    Any Mower or part thereof which, in Worldlawn’s sole discretion, is deemed defective shall be repaired or replaced, at Worldlawn’s option, without charge for parts or labor up to two years of the original date of purchase. To take advantage of this limited warranty, the Mower must be returned to an Authorized Worldlawn Dealer within the warranty period.
  • Page 32 Worldlawn Power Equipment, Inc Industrial Park 2415 Ashland Ave. Beatrice, NE 68310 Phone: (402) 228-4255 Fax: (402) 223-4103 www.worldlawnpowerequipment.com Form No. 28112-201212...

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