Bush Hog HDZ-2 Series Operator's Manual

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Published 4/18

Revised 03/19

HDZ-2 SERIES

ZERO TURN MOWERS

MODELS:

HDZ2761CV2, HDZ2773CV2,

HDZ3161FX2, HDZ3173FX2,

HDZ3361ECV2, HDZ3373ECV2

Manual Number 50080522

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Summary of Contents for Bush Hog HDZ-2 Series

Page 1 HDZ-2 SERIES ZERO TURN MOWERS MODELS: HDZ2761CV2, HDZ2773CV2, HDZ3161FX2, HDZ3173FX2, HDZ3361ECV2, HDZ3373ECV2 Published 4/18 Manual Number 50080522 Revised 03/19 © 2018 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 serious injury or death. 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
HDZ 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 ................1-2 OPERATOR SAFETY........................1-3 MOWER OPERATION SAFETY....................1-3 Ground Speed When Mowing ..........................1-3 ACCIDENT PATTERNS TO AVOID...................1-4 Contact With The Rotating Blades..........................1-4 Mower Thrown Objects.............................1-4 Grass Discharge Chute ............................1-4 Over Turning................................1-4 Mower Running Over Victim .............................1-4...
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 MOWING ON SLOPES and HILLS....................4-3 MOWING NEAR WATER, DITCHES, and EMBANKMENTS ............4-4 MOWING TIPS..........................4-4 AFTER MOWING is COMPLETED ....................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 ..............................6-12 CONSOLE MAINTENANCE ...................6-13- 6-15 General Care ................................6-14 Bypass or Failed Safety Interlock Switch Detection....................6-14 Service Alerts ................................6-14 Alarms..................................6-14 Console Diagnostic Codes............................6-15...
Page 13 SAFETY SECTION 1...
Page 33: Safety Decal Locations (Mower Deck)
SAFETY Safety Decal Location Mower Deck ITEM PART NO. QTY. DESCRIPTION D914 Danger Decal - Rotating Blades D646 Warning Decal - Shield Missing Decal D916 Danger Decal - Do Not Mow without Discharge Chute in Place D917 Danger Decal - Thrown Object Hazard D918 Warning Decal - Keep Shields In Place 50077946...
Page 34 SAFETY Safety Decal Location Power Unit ITEM PART NO. QTY. DESCRIPTION D859 Warning - Use Genuine Bush Hog Parts D919 Warning - Crushing Hazard D920 Instruction - Maintain ROPS (English) D921 Warning - Hot Surface D922 Instruction - Maintain ROPS (Spanish)
Page 35: Safety Decal Pictorials
SAFETY Safety Decal Pictorials HDZ-2 ZT 04/18 Safety Section 1-21 © 2018 Alamo Group Inc.
Page 41: Introduction (Section 2)
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 Briggs & Stratton, 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
INTRODUCTION SPECIFICATIONS HDZ Series Zero Turn Mower MODEL ENGINE CUTTING WIDTH HDZ2761CV2........27 HP Kohler Command Pro ............. 61” Deck HDZ2773CV2........27 HP Kohler Command Pro ............. 73” Deck HDZ3161FX2 ........31 HP Kawasaki FX921 ..............61” Deck HDZ3173FX2 ........31 HP Kawasaki FX921 ..............73” Deck HDZ3361ECV2 ........33 HP Kohler Command Pro EFI..........61” Deck HDZ3373ECV2 ........33 HP Kohler Command Pro EFI..........73”...
Page 47: Controls (Section 3)
CONTROLS SECTION 3...
Page 49: Control Locations
CONTROLS CONTROL LOCATIONS @ 1@ ! 1! ) 1) 1 1 $ $ 1$ 1. Transaxle Bypass Linkage 8. Start / Stop Button 2. Fuel Cap 9. Mower PTO Switch 3. Steering Control Levers 10. USB Charging Socket 4. Parking Brake Lever 11.
Page 50 CONTROLS CONSOLE USED 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, then push the PTO switch down 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 Moving the right hand lever forward and the left hand lever backward the Zero Turn Mower will achieve a zero turn to the left. Moving the left hand lever forward and the right hand lever backward achieves a zero turn to the right.
Page 53: Pto Switch
CONTROLS PTO Switch IMPORTANT: Always disengage the blades and raise the Zero Turn mower deck to the highest position and engage the Transport Switch Locking Lever before transporting. IMPORTANT: To maintain an even cutting height, all tires must have equal air pressure of 15 psi /103kPa / 1bar.
Page 54: Seat Adjustment Controls
CONTROLS Seat Adjustment Controls Transaxle Bypass Control NOTE: Do not push, pull, or tow this Zero Turn Mower without first releasing the hydraulic pressure in the Inte- grated Transaxles. FULL SUSPENSION SEAT 1. The Weight Adjustment Knob lets you set a personal- ized suspension setting.
Page 55: Parking Brake
CONTROLS Parking Brake Parking Brake Lever The Parking Brake is located on the left side of the Zero Turn Mower. To set the brake pull the lever up and push down to release. When engaging the brake the Zero Turn Mower must be completely motionless. Always set the Parking Brake before dismounting the Zero Turn Mower and always release the brake before putting the Zero Turn Mower into operation.
Page 57: Operation (Section 4)
OPERATION SECTION 4...
Page 59: Training
OPERATION If you are unfamiliar with the oper- Starting the Engine IMPORTANT! ation of a Zero Turn Mower, READ the Safety Section and the Controls Section before 1. Operator sitting in seat. NOTE; The Seat is Operating. equipped with an operator presence switch and the Training unit will not start if operator is not sitting in the seat! 2.
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 Pedal and a Height Adjusting Knob. ing Control Levers. The right hand lever controls the right wheel and the left hand lever controls the left wheel.
Page 61: Rops And Seat Belts
OPERATION ROPS and Seat Belts Mowing on Slope and Hills Operating this Zero Turn Mower DA NGE R on a Slope Exceeding 15 Degrees ROPS is unsafe and can cause upset or loss of traction re- sulting in serious injury or death. Refer to the Slope Indicator page in the front of this manual to determine if a Slope or Hill is too DANGER- OUS to operate this Zero Turn Mower on!
Page 62: Mowing Near Water, Ditches, And Embankments
OPERATION Mowing Near Water, Ditches, and Mowing Tips Embankments Before mowing check the area to CA UT IO N be mowed for debris that can be Operating this Zero Turn Mower D AN GER removed. Objects that are fixed and cannot be re- near water where drop offs are moved, flag the object so a collision 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 without first releasing the hydraulic pressure in the Inte- If the battery is weak and will not start the engine, it grated Transaxles.
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 injury or death. 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 C AUT ION 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
50 Hours and more frequently in dusty Engine Maintenance or sandy conditions. The Bush Hog Series HDZ Zero Turn Mowers are of- fered with 3 different engine manufactures. Briggs & Stratton, Kawasaki and Kohler. Maintenance procedures vary from each manufacturer.
Page 73 MAINTENANCE Mower Model ..Engine Series Checking Engine Oil Level Number NOTE: Check oil level when engine is cold. HDZ2761CV2 ..Kohler Command Pro HDZ2773CV2 ..Kohler Command Pro Engine oil should be checked before each use or daily. HDZ3161FX2 ...Kawasaki FX921 HDZ3173FX2 ...Kawasaki FX921 Follow the procedures for checking oil as instructed by HDZ3361ECV2 ..Kohler Command Pro EFI the engine manufacturers manual which applies to your...
Page 74: Servicing The Battery
MAINTENANCE Servicing the Battery 4. Clean the terminals with a wire brush removing all corrosion and coat the terminals with a lite coat of battery terminal grease. This Zero Turn Mower is equipped from the factory with a maintenance free battery that does not need servicing. 5.
Page 75: Safety System
MAINTENANCE Safety System Parking Brake Adjustment Adjusting the Parking Brake Link- The Safety System of this Zero Turn Mower is designed CA UT I ON to prevent starting or driving the Zero Turn Mower under age will require working under the the following conditions Zero Turn Mower.
Page 76: Caster Wheels
MAINTENANCE Caster Wheels 3. Insert the Axle Sleeve through the Hub into the Flange Bearings and Roller Bearings. Axle Nut 4. Put 10 shots of grease in both fittings on the Hub. Use Roller No 2 Lithium or Molybdenum grease. Bearing 5.
Page 77: Mower Deck V-Belt
MAINTENANCE Mower Deck V-Belts 3. Check to be sure there are no twist in the belt and the belt routing is correct. Mower deck V-Belts should be checked every 100 hours 4. Tighten the Outer Nut to apply tension to the Belt Ten- of usage and more often under heavy usage.
Page 78 MAINTENANCE PUMP BELT Servicing the Pump Belt will re- C A UTION 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 Tensioner Tensioner Adjusting Clutch Nuts...
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 WAR NING When sharpening blades wear IMPORTANT! Check tire pressure before adjust- gloves and eye protection. ing Mower Deck (See - Tire Pres- sure). Under inflated or over inflated tires will not allow 1.
Page 81: Transaxle Maintenance
Remove the O-ring from the cover and discard the O- ring. Use Bush Hog Filter Kit 50072375 (Includes “O” Ring and Filter). Two Kits required per Zero Turn Mower.
Page 82: Purging Procedures
MAINTENANCE 2. After the oil has drained from the transaxle, remove Purging Procedures the oil filter from the transaxle housing. 3. Install a new filter and a new O-ring onto the filter cover These purge procedures should be implemented any and install the filter cover.
Page 83: Console Maintenance
MAINTENANCE Console Maintenance 1& 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 84: General Care
MAINTENANCE Console Maintenance To Reset A Service Alert: a. Begin with the console unlocked by entering your Key General Care Code. The console must be unlocked to reset a service alert. The Console is a completely sealed instrument designed b. Select the service alert to reset by clicking keypad but- to withstand exposure to outdoor environments.
Page 85: 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 systemcurrent to high.
Page 86 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 C AU TION 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 87: Storage (Section 7)
STORAGE SECTION 7...
Page 89: Winter Storage
New Season Preparation 5. Remove the spark plug and pour about a tablespoon check is completed use only Genuine Bush Hog of engine oil into the cylinder. Turn over the engine so Parts. The use of “Wiil Fit” parts may reduce Zero...
Page 91: Trouble Shooting (Section 8)
TROUBLE SHOOTING SECTION 8...
Page 93 TROUBLE SHOOTING PROBLEM PROBLEM CAUSE CAUSE ENGINE OVERHEATS ENGINE WILL NOT START Clogged air intakes or cooling fins Battery Dead Engine overloaded PTO Switch Engaged Low Oil Steering Levers not in Neutral Lock Position Contamination in fuel line Parking Brake Not Set Fouled Spark Plugs Contamination in Carburetor or Fuel Line Clogged Fuel Filter MACHINE MOVES SLOW, UNEVEN, NOT AT ALL...
Page 95: Technical Data (Section 9)
TECHNICAL DATA SECTION 9...
Page 97 TECHNICAL DATA MAIN WIRING HARNESS ASSEMBLY To Control Connector 1 AMP Fuse for Auxillary Power Source located in the line that supplies power to the Auxillary Power Source. Fuse Brown R.H. Neutral Switch 1 AMP Orange Power Port Blue/White Accuator Brown/Black White Black Lights Orange/White Seat SWitch Red/White...
Page 99: Engine Adaptor Harness For Kawasaki Engines
TECHNICAL DATA 50077206 ENGINE ADAPTOR HARNESS for KAWASAKI ENGINES HDZ-2 ZT 04/18 Technical Data Section 9-3 © 2018 Alamo Group Inc.
Page 100: Engine Adaptor Harness For Kohler Engines
TECHNICAL DATA 50076065 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 CONNRCTOR MALE 6 POSITION OIL SENDER GRAY/BLACK 18 GA. BATTERY (+) RED 14 GA. GROUND/SOLENOID BLACK 14 GA.
Page 102: Service And Maintenance Records
TECHNICAL DATA SERVICE and MAINTENANCE RECORDS Service or Maintenance Date Meter Performed Hours HDZ-2 ZT 04/18 Technical Data Section 9-6 © 2018 Alamo Group Inc.
Page 106 HDZ-2 SERIES ZERO TURN MOWER P/N 50080522 Printed in U.S.A.

This manual is also suitable for:

Hdz2761cv2 Hdz2773cv2 Hdz3161fx2 Hdz3173fx2 Hdz3361ecv2 Hdz3373ecv2

Bush Hog HDZ-2 Series Operator's Manual

Parts Information

Driving and Transporting on Public Roads

Battery Service Precautions

Safety Decal Locations (Mower Deck)

Safety Decal Locations (Power Unit)

Safety Decal Pictorials

FEDERAL LAWS and REGULATIONS

Introduction (Section 2)

Introduction

Specifications

Controls (Section 3)

Operation (Section 4)

Training

Before Starting

Steering

Operating the Mower

ROPS and SEAT BELTS

MOWING on SLOPES and HILLS

MOWING NEAR WATER, DITCHES, and EMBANKMENTS

Mowing Tips

AFTER MOWING Is COMPLETED

Moving the Machine Manually

WEAK or DISCHARGED BATTERY

Transporting (Section 5)

Transporting the Machine

Maintenance (Section 6)

Recommended Regular Maintenance Schedule

Lubrication

Engine Maintenance

SERVICING the BATTERY

Safety System

Parking Brake

Tire Pressure

Caster Wheels

Anti Scalp Rollers

Mower Deck V-Belt

Pump Belt Installation

Cutting Blade Maintenance

ADJUSTING the MOWER DECK

Transaxle Maintenance

Console Maintenance

Storage (Section 7)

Winter Storage

Trouble Shooting (Section 8)

Technical Data (Section 9)

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