Bush Hog HDE2049KT4 Operator's Manual
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Bush Hog HDE2049KT4 Operator's Manual

Zero turn  mowers
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HDE-4 SERIES
ZERO TURN  MOWERS
MODELS:
HDE2049KT4, HDE2249FS4,
HDE2255FS4, HDE2555KP4,
HDE2261FS4, HDE2561KP4
Published: 01/21
Manual Number 50081705
©2021 Alamo Group Inc.

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  • Page 1 HDE-4 SERIES ZERO TURN  MOWERS MODELS: HDE2049KT4, HDE2249FS4, HDE2255FS4, HDE2555KP4, HDE2261FS4, HDE2561KP4 Published: 01/21 Manual Number 50081705 ©2021 Alamo Group Inc.
  • Page 3 Operating of this Zero Turn Mower on a Slope Exceeding 15 De- grees is unsafe and can cause upset or loss of traction resulting in death or serious injury. SLOPE INDICATOR This page may be copied for personal use outside of this manual. Fold along the dashed line to measure the slope being checked.
  • Page 5 Dealer to explain any instructions that you do not fully understand. The care you give your Bush Hog Zero Turn Mower will greatly determine your satisfaction with its performance and its service life. Carefully read and follow the instructions in this manual to provide you with a thorough understanding of your new Zero Turn Mower and its intended use and service requirements.
  • Page 6 2. If the unit has been subjected to misapplication, abuse, misuse, negligence, fire or other accident. 3. If parts not made or supplied by Bush Hog have been used in connection with the unit, if, in the sole judgement of Bush Hog such use affects its performance, stability or reliability.
  • Page 7  Steering checked and adjusted, if necessary.  Check tire pressure.  Warranty information has been registered on line with Bush Hog.  Operator's manual has been delivered to owner and he has been instructed on the safe and proper use of the Zero Turn Mower.

  • Page 9: Table Of Contents

    HDE SERIES ZERO TURN MOWER TABLE OF CONTENT SAFETY (SECTION 1) General Safety Instructions and Practices ................1-1 Important Safety Considerations and Precautions ..............1-2 Safety Instructions and Recommendations ................1-3 OPERATOR SAFETY........................1-4 MOWER OPERATION SAFETY....................1-4 Ground Speed When Mowing ..........................1-4 ACCIDENT PATTERNS TO AVOID...................1-5 Contact With The Rotating Blades..........................1-5 Mower Thrown Objects.............................1-5 Grass Discharge Chute ............................1-5 Over Turning................................1-5 Mower Running Over Victim .............................1-5...
  • Page 10 OPERATION (SECTION 4) .......................4-1 TRAINING BEFORE STARTING ........................4-1 Starting the Engine ..............................4-1 Shutting Down the Engine ............................4-1 STEERING..........................4-2 To Move Forward or Backwards ..........................4-2 To Turn Left ................................4-2 To Turn Right................................4-2 To Perform a Zero Turn..............................4-2 OPERATING THE MOWER......................4-2 ROPS and SEAT BELTS......................4-3 REAR HITCH ..........................4-3 MOWING ON SLOPES and HILLS....................4-3 MOWING NEAR WATER, DITCHES, and EMBANKMENTS ............4-4 MOWING TIPS..........................4-4...
  • Page 11 PUMP BELT INSTALLATION .....................6-9 CUTTING BLADE MAINTENANCE ...................6-9 Blade Removal................................6-9 Inspect Blades ................................6-9 Sharpening Blades..............................6-10 Installing Blades...............................6-10 ADJUSTING the MOWER DECK.....................6-10 Leveling the Deck ..............................6-10 TRANSAXLE MAINTENANCE....................6-11 Fluid and Filter Change Procedure ..........................6-11 Purging Procedures ..............................6-13 CONSOLE MAINTENANCE ...................6-14- 6-15 General Care ................................6-15 Bypass or Failed Safety Interlock Switch Detection....................6-15 Service Alerts ................................6-15 Alarms..................................6-15 Console Diagnostic Codes............................6-16...
  • Page 13 SAFETY SECTION 1 ZTR 01/21 Safety Section 1-1 © 2021 Alamo Group Inc.
  • Page 15 SAFETY ZTR 01/21 Safety Section 1-2 © 2021 Alamo Group Inc.
  • Page 16 SAFETY ZTR 01/21 Safety Section 1-3 © 2021 Alamo Group Inc.
  • Page 17 SAFETY ZTR 01/21 Safety Section 1-4 © 2021 Alamo Group Inc.
  • Page 18 SAFETY ZTR 01/21 Safety Section 1-5 © 2021 Alamo Group Inc.
  • Page 19 SAFETY ZTR 01/21 Safety Section 1-6 © 2021 Alamo Group Inc.
  • Page 20 SAFETY ZTR 01/21 Safety Section 1-7 © 2021 Alamo Group Inc.
  • Page 21 SAFETY ZTR 01/21 Safety Section 1-8 © 2021 Alamo Group Inc.

  • Page 22: Use Rops & Seatbelts For Operating On Slopes Safety

    SAFETY USE ROPS & SEATBELTS FOR OPERATING ON SLOPES SAFETY (CONT.) • • Progressively greater care is needed as the Use a walk behind mower and/or a hand slope increases. trimmer near drop-offs, ditches, steep banks or • Use EXTREME caution when mowing and/or water.
  • Page 23 SAFETY ZTR 01/21 Safety Section 1-10 © 2021 Alamo Group Inc.
  • Page 24 SAFETY ZTR 01/21 Safety Section 1-11 © 2021 Alamo Group Inc.
  • Page 25 SAFETY ZTR 01/21 Safety Section 1-12 © 2021 Alamo Group Inc.
  • Page 26 SAFETY ZTR 01/21 Safety Section 1-13 © 2021 Alamo Group Inc.
  • Page 27 SAFETY ZTR 01/21 Safety Section 1-14 © 2021 Alamo Group Inc.
  • Page 28 SAFETY ZTR 01/21 Safety Section 1-15 © 2021 Alamo Group Inc.
  • Page 29 SAFETY ZTR 01/21 Safety Section 1-16 © 2021 Alamo Group Inc.
  • Page 30 SAFETY ZTR 01/21 Safety Section 1-17 © 2021 Alamo Group Inc.
  • Page 31 SAFETY ZTR 01/21 Safety Section 1-18 © 2021 Alamo Group Inc.
  • Page 32 SAFETY ZTR 01/21 Safety Section 1-19 © 2021 Alamo Group Inc.

  • Page 33: Safety Decal Locations (Mower Deck)

    SAFETY Safety Decal Location Mower Deck ITEM PART NO. QTY. DESCRIPTION D1032 Decal, Warning - Keep Shields In Place D1016 Decal, Warning - Pinch Points D1022 Decal, Warning - Thrown Objects Hazard D1024 Decal, Warning - Do Not Mow Without Discharge Chute D1026 Decal, Notice - Not A Step D1025...

  • Page 34: Safety Decal Locations (Power Unit)

    Decal, Warning - Hot Surface D1015 Decal, Warning - Towing D1021 Decal, Warning - Operators Manual D859 Decal, Warning - Genuine Bush Hog Parts D1033 Decal, Warning - Avoid Injury D1014 Decal, Warning - Tip Over D1018 Decal, Warning - Equip. Fires...

  • Page 35: Safety Decal Pictorials

    SAFETY Safety Decal Pictorials AVOID CHILD BACKOVER/ RUNOVER/BLADE INJURY To avoid back-over accidents, always look behind and down for sm a l l c h i l d r e n . N e ve r c a rr y children, even with the blade(s) s h u t o f f .
  • Page 36 SAFETY Safety Decal Pictorials AVOID TIP-OVER/ROLL- OVER INJURY Do not operate machine on a slope greater than 15°(25%).Do not mow up or down slopes, only mow across slopes that are less than15 degrees (25%). Use low speeds and avoid sudden turns on slopes.
  • Page 37 SAFETY Safety Decal Pictorials READ OPERATOR’S MANUAL - WEAR HEARING D1021 PROTECTION Read, understand and follow all the safety rules and instructions i n t h e m a n u a l ( s ) a nd o n th e t r a c t o r b e f o r e a t t e m p t i n g t o operate this tractor.
  • Page 38 SAFETY Safety Decal Pictorials ZTR 01/21 Safety Section 1-25 © 2021 Alamo Group Inc.
  • Page 39 SAFETY ZTR 01/21 Safety Section 1-26 © 2021 Alamo Group Inc.

  • Page 41: Introduction

    INTRODUCTION SECTION 2...
  • Page 43 INTRODUCTION We are pleased to have you as a Bush Hog customer. Your Bush Hog Zero Turn Riding Mower has been carefully designed with care and built with quality materials by skilled workers to give maximum service with minimum down time. This manual is provided to give you the necessary operating and maintenance instructions for keeping your Zero Turn Mower in top operating con- dition.
  • Page 44 INTRODUCTION The Bush Hog Zero Turn is intended for use on lawns and other frequently maintained areas where a smooth, even cut is desired and superior ma- neuverability is needed. The Power Unit consists of a Kawasaki, or Kohler twin cylinder engine. The engine has a pressurized oil lubrication system with spin-on type filter, fused electronic ignition, electric start and the Zero Turn has a 8 gallon fuel system.

  • Page 45: Specifications

    SPECIFICATIONS HDE Series Zero Turn Mower MODEL ENGINE CUTTING WIDTH HDE2049KT4........20 HP Kohler 7000 Series KT715..........49” Deck HDE2249FS4........22 HP Kawasaki FS651 ..............49” Deck HDE2255FS4........22 HP Kawasaki FS651 ..............55” Deck HDE2555KP4........25 HP Kohler 7000 Series+ PRO Filtration.........55” Deck HDE2261FS4........22 HP Kawasaki FS651 ..............61” Deck HDE2561KP4........25 HP Kohler 7000 Series+ PRO Filtration.........61” Deck CONTROLS.........Electronic Control Module with Keyless Start, System Monitoring and...

  • Page 47: Controls (Section 3)

    CONTROLS SECTION 3...

  • Page 49: Control Locations

    CONTROLS CONTROL LOCATIONS Under Engine Under Under Armrest Armrest 1. Transaxle Bypass Linkage 7. Seat Adjusting Lever 2. Fuel Cap 8. Start/Stop Button 3. Steering Control Levers 9. Mower PTO Switch 4. Parking Brake Lever 10. Engine Throttle Control 5. Deck Lift Pedal 11.
  • Page 50 CONTROLS CONSOLE  ITEM DESCRIPTION FUNCTION Engine Start/Stop Button Powers Engine ON / Powers Engine OFF. Key Code Buttons Powers up Console by entering Key Code and enables specific functions as starting /stopping engine, engaging PTO. OK to Start Indicator Light Glows Green when safe to start engine, Red when unsafe.

  • Page 51: Ignition Switch

    CONTROLS Ignition Switch 6. If the new code is usable, the console prompts the user to re-enter the code again by displaying: ENTER” “CODE” “AGAIN”. Re-enter the code used in step 4, IGNITION then push the PTO switch down SWITCH 7. The console confirms that the two key codes entered in step 4 and 6 match.

  • Page 52: Steering Control Levers

    CONTROLS Steering Control Levers Speed Tracking Adjusting Steering Control Levers control the direction and speed of the Zero Turn Mower in both forward and reverse The Speed Tracking Adjustment Screws, located on the travel. Turning is controlled by pushing one lever forward panels under the seat arm rest on each side, allow the and pulling the opposite lever backward or to the neutral operator to adjust the forward speed of each Steering...

  • Page 53: Parking Brake

    CONTROLS Parking Brake Cutting Height Controls Height Adjusting Parking Brake Lever Foot Control The Parking Brake is located on the left side of the Zero Turn Mower. To set the brake pull the lever up and push Pedal down to release. When engaging the brake the Zero Turn Mower must be completely motionless.

  • Page 54: Fuel Tank And Filler Neck

    CONTROLS Fuel Tank and Filler Neck Seat Adjustment Controls NON-SUSPENSION SEAT Filler Neck & Move Lever Fuel to left to adjust. The Fuel Tank is located under the operators seat and the Filler Neck is located on the left hand side toward the rear of the seat.

  • Page 55: Transaxle Bypass Controls

    CONTROLS 2. The Backrest Angle Adjustment Knob. 3. Arm Rest Height adjustment (raise arm rest to access adjustment knobs). 4. Seat Slide allows 6” of fore and aft adjustment. The seat is shaped to increase air flow so that you stay more comfortable on hot days Transaxle Bypass Control Transaxle Bypass Linkages...

  • Page 57: Operation (Section 4)

    OPERATION SECTION 4...

  • Page 59: Training

    OPERATION If you are unfamiliar with the oper- Starting the Engine ation of a Zero Turn Mower, READ 1. Operator sitting in seat. NOTE; The Seat is the Safety Section and the Controls Section before equipped with an operator presence switch and the Operating.

  • Page 60: Steering

    OPERATION Steering Operating the Mower Direction of travel and speed are controlled by the Steer- The Mowing Height is controlled by the Foot Control ing Control Levers. The right hand lever controls the right Pedal and a Height Adjusting Pin. wheel and the left hand lever controls the left wheel.

  • Page 61: Rops And Seat Belts

    OPERATION ROPS and Seat Belts This Zero Turn Mower comes equipped from the factory ROPS with a Rear Tow Hitch. The hitch should be used to pull small yard implements such as dethatchers, seeders, fertilizer spreaders and yard carts. Seat Belt Implements should be towed at slow speeds on level ground and never...

  • Page 62: Mowing Near Water, Ditches, And Embankments

    OPERATION Mowing Near Water, Ditches, and Mowing Tips Embankments Before mowing check the area to be mowed for debris that can be Operating this Zero Turn Mower removed. Objects that are fixed and cannot be removed, flag the object so a collision near water where drop offs are does not occur.

  • Page 63: Moving The Machine Manually

    OPERATION Moving Machine Manually Weak or Discharged Battery NOTE: Do not push, pull, or tow this Zero Turn Mower If the battery is weak and will not start the engine, it without first releasing the hydraulic pressure in the Inte- should be recharged using a battery charger.

  • Page 65: Transporting (Section 5)

    TRANSPORTING SECTION 5...

  • Page 67: Preparing To Transport

    TRANSPORTING Transporting the Zero Turn Mower Loading the Zero Turn Mower at a steeper angle than 15 degrees can cause possible tip over or loss of traction resulting in death or injury. Mower compo- Transport Zero Turn Mower on a heavy duty trailer that nents may hang up on the transition from the ramp is adequate to handle the size and weight of the Zero to the trailer bed.
  • Page 68 TRANSPORTING Unloading the Zero Turn Mower Extreme CAUTION should be used when loading and unload- ing the Zero Turn Mower. Avoid sudden acceleration and deceleration while driving on the ramp and trailer bed. This could cause loss of control and tip-over. 1.

  • Page 69: Maintenance (Section 6)

    MAINTENANCE SECTION 6...

  • Page 71: Recommended Regular Maintenance Schedule

    MAINTENANCE Recommended Regular Maintenance Schedule Maintenance Service Maintenance Procedure Interval After the first 8 hours • Change the engine oil and oil filter. • Check the torque on the wheel lug nuts. After the first 50 hours • Change the hydraulic system filter and oil. Before each use or daily •...

  • Page 72: Lubrication

    1. 5 shots of grease every 50 hours at the Blade Spin- dles. Engine Maintenance The Bush Hog Series HDE Zero Turn Mowers are of- fered with 2 different engine manufactures. Kawasaki and Kohler. Maintenance procedures vary from each manufacturer.
  • Page 73 NOTE: Check oil level when engine is cold. HDE2255FS4...Kawasaki FS651 Engine oil should be checked before each use or daily. HDE2261FS4...Kawasaki FS651 HDE2049KT4...Kohler KT715 Follow the procedures for checking oil as instructed by HDE2555KP4 ..Kohler KT745 the engine manufacturers manual which applies to your HDE2561KP4 ..Kohler KT745...

  • Page 74: Servicing The Battery

    MAINTENANCE Servicing the Battery 6. Re-install battery and cables in reverse order of re- moval. This Zero Turn Mower is equipped from the factory with a maintenance free battery that does not need servicing. Replacing the Battery However, if the Zero Turn Mower is not being used for an extended period or placed in storage, disconnect the 1.

  • Page 75: Safety System

    MAINTENANCE Safety System Parking Brake Adjustment The Safety System of this Zero Turn Mower is designed to prevent starting or driving the Zero Turn Mower under Adjusting Nuts Brake the following conditions Cable The engine will only start when: ● The Zero Turn Mower PTO Switch is in the down po- sition (Blades disengaged).

  • Page 76: Caster Wheels

    MAINTENANCE Caster Wheels Anti-Scalp Rollers Axle Nut Roller Bearing Grease Fitting Roller Bearing Axle Bolt Adjusting Bolt Roller Flange Axle Bearing Sleeve Flange Bearing NOTE: All adjustments to Anti-scalp Rollers should be made with the Zero Turn Mower on a flat level surface. The Caster Wheels should be checked after every 200 hour of operation.

  • Page 77: Mower Deck V-Belt

    MAINTENANCE Mower Deck V-Belts Mower Deck Belt Installation To Clutch Pulley Mower deck V-Belts should be checked every 100 hours of usage and more often under heavy usage. Tension Rod Belt Tension Inspect belts for severe cracking and large nicks. Outer Nut Idler Pulley NOTE: Belts will show small cracks under normal oper-...
  • Page 78 MAINTENANCE PUMP BELT Servicing the Pump Belt will re- quire the back end of the Zero Turn Mower to be elevated to gain access to the belt area. Parking Brake Set Clutch Stop Mower Deck Belt Wheel Chocks Always set the Parking Brake and use wheel chocks on the front caster wheels before working under the Zero Turn Mower.

  • Page 79: Pump Belt Installation

    MAINTENANCE Pump Belt Installation Cutting Blade Maintenance 1. Follow steps 1-4 of Pump Belt Removal. Best mowing results are achieved when blades are sharp and not damaged. 2. Place the belt over the Cooling Fans and into the Replace blades that become bent or cracked while mow- pulley Groove.

  • Page 80: Sharpening Blades

    MAINTENANCE Sharpening Blades Adjusting the Mower Deck Check tire pressure before adjust- When sharpening blades wear ing Mower Deck (See - Tire Pres- gloves and eye protection. sure). Under inflated or over inflated tires will not allow you to properly adjust your Zero Turn Mower deck 1.

  • Page 81: Transaxle Maintenance

    MAINTENANCE 5. Adjustment is achieved by turning the Adjusting Nuts Transaxle Maintenance at the Rear Deck Hangers on each side of the deck until the blade tips are at the 3” position. This Zero Turn Mower has two Transaxles. The Transaxles have external filters for ease of maintenance.
  • Page 82 MAINTENANCE 6. Repeat steps 1-5 on the opposite side transaxle drive. Fluid and Filter Change Procedure (Models Produced After 2020) 7. Drain old oil filters of all free flowing oil prior to disposal. Place used oil in appropriate containers and deliver to an 1.

  • Page 83: Purging Procedures

    MAINTENANCE Purging Procedures These purge procedures should be implemented any time a hydrostatic system has been opened to facil- itate maintenance or the oil has been changed. Due to the effects air has on efficiency in hydrostatic drive applications, it is critical that it is purged from the system.

  • Page 84: Console Maintenance

    MAINTENANCE Console Maintenance ITEM DESCRIPTION FUNCTION Engine Start/Stop Button Powers Engine ON / Powers Engine OFF. Key Code Buttons Powers up Console by entering Key Code and enables specific functions as starting /stopping engine, engaging PTO. OK to Start Indicator Light Glows Green when safe to start engine, Red when unsafe.

  • Page 85: General Care

    MAINTENANCE Console Maintenance Alarms Low Oil Alarm - If the oil pressure switch closes for ten General Care seconds while the engine is running, the console displays “OIL” “PSI” on the LCD (11), flashes the low oil alarm The Console is a completely sealed instrument designed LED indicator, and shuts down the engine.

  • Page 86: Console Diagnostic Codes

    MAINTENANCE Console Diagnostic Codes When a fault is detected by the console it is displayed on the LCD (14) as a numeric code. Below is a chart of the error codes and potential sources ERROR DESCRIPTION CODE # Continuous PTO clutch current to high - check PTO clutch coil resistance. Function inhibited because continuous system current to high.

  • Page 87: Spark Arrestor Maintenance

    MAINTENANCE *SPARK ARRESTOR MAINTENANCE Muffler Tailpipe *This unit is Approved for use on U.S. Forest Service Lands. Screen Clamp Extension Maintenance Wait until the muffler is cool before performing any maintenance. SPARK ARRESTOR SCREEN should be inspected every 100 hours of engine usage. 1. Loosen the two nuts on the clamp and slide clamp off,over the tailpipe extension.

  • Page 89: Storage (Section 7)

    STORAGE SECTION 7...

  • Page 91: Winter Storage

    New Season Preparation check is completed use only Genuine Bush Hog 5. Remove the spark plug and pour about a tablespoon Parts. The use of “Will Fit” parts may reduce Zero of engine oil into the cylinder.

  • Page 93: Trouble Shooting (Section 8)

    TROUBLE SHOOTING SECTION 8...
  • Page 95 TROUBLE SHOOTING PROBLEM PROBLEM CAUSE CAUSE ENGINE WILL NOT START MACHINE VIBRATES Battery Dead Loose Blade or Blades PTO Switch Engaged Blades not balanced Steering Levers not in Neutral Lock Position Engine mount bolts loose Parking Brake Not Set Contamination in Carburetor or Fuel Line ENGINE OVERHEATS Clogged Fuel Filter Clogged air intakes or cooling fins...

  • Page 97: Technical Data (Section 9)

    TECHNICAL DATA SECTION 9...

  • Page 99: Main Wiring Harness

    TECHNICAL DATA MAIN WIRING HARNESS ASSEMBLY To Control Module Connector To Control Connector Brown To RH Neutral Switch Orange Blue/White To Seat Switch Black Green To Fuel Sender Yellow To Battery Ground Black NOTE: 15 AMP fuse located behind seat between the front of 15 AMP Fuse engine and fuel tank.
  • Page 100 TECHNICAL DATA ZTR 01/21 Technical Data Section 9-2 © 2021 Alamo Group Inc.

  • Page 101: Engine Adaptor Harness For Kawasaki Engines

    TECHNICAL DATA ENGINE ADAPTOR HARNESS for KAWASAKI ENGINES FUEL SOLENOID BROWN 18 GA. MAGNETO TO GROUND RED/BLACK 18 GA. VOLTAGE REGULATOR RED 12 GA. CONNECTOR FEMALE 9 POSITION GRAY/BLACK 18 GA. OIL SENDER BATTERY (+) RED 14 GA. BLACK 14 GA. GROUND/SOLENOID STARTER/SOLENOID PURPLE 14 GA. ZTR 01/21 Technical Data Section 9-3 ©...

  • Page 102: Engine Adaptor Harness For Kohler Engines

    TECHNICAL DATA ENGINE ADAPTOR HARNESS for KOHLER ENGINES FUEL SOLENOID BROWN 18 GA. MAGNETO TO GROUND RED/BLACK 18 GA. ALT OUTPUT RED 14 GA. CONNECTOR FEMALE 9 POSITION CONNECTOR MALE 6 POSITION OIL SENDER GRAY/BLACK 18 GA. BATTERY (+) RED 14 GA. GROUND/SOLENOID BLACK 14 GA. STARTER/SOLENOID PURPLE 14 GA.
  • Page 103 TECHNICAL DATA ZTR 01/21 Technical Data Section 9-5 © 2021 Alamo Group Inc.

  • Page 104: Service And Maintenance Records

    TECHNICAL DATA SERVICE and MAINTENANCE RECORDS Service or Maintenance Date Meter Performed Hours ZTR 01/21 Technical Data Section 9-6 © 2021 Alamo Group Inc.
  • Page 106 HDE-4 SERIES ZERO TURN MOWER P/N 50081705 Printed in U.S.A.

This manual is also suitable for:

Hde-4 seriesHde2249fs4Hde2255fs4Hde2555kp4Hde2261fs4Hde2561kp

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