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HDZ-4 SERIES

ZERO TURN  MOWERS

Published 12/20

Manual Number 50081560

MODELS: 
HDZ3155FX4, HDZ3161FX4, HDZ3173FX4, 
HDZ3355ECV4, HDZ3361ECV4, HDZ3373ECV4
HDZ3855ECV4, HDZ3861ECV4, HDZ3873ECV4

© 2020  Alamo Group Inc..

Summary of Contents for HDZ-4 Series

Page 1: ...DZ 4 SERIES ZERO TURN MOWERS Published 12 20 Manual Number 50081560 MODELS HDZ3155FX4 HDZ3161FX4 HDZ3173FX4 HDZ3355ECV4 HDZ3361ECV4 HDZ3373ECV4 HDZ3855ECV4 HDZ3861ECV4 HDZ3873ECV4 2020 Alamo Group Inc...

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Page 3: ...Exceeding 15 De grees is unsafe and can cause upset or loss of traction resulting in death or serious injury q w q Fold along the dashed line to measure the slope being checked w Align this edge with...

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Page 5: ...nderstand the safety section of this manual before operating this equipment Do not allow anyone to operate this equipment who has not fully read and understood this manual Contact your Dealer to expla...

Page 6: ...charges cost of installation other than cost approved by Bush Hog duty taxes charges for normal service or adjustment loss of crops or any other loss of income rental of substitute equipment expenses...

Page 7: ...ROPS to be rocked forward to align the Pin Out Holes Retractable seat belt functions property All fasteners torqued to specifications given in Torque Chart All decals in place and readable See decal p...

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Page 9: ...RDS 1 10 CHILD SAFETY 1 11 FUEL FIRE SAFETY 1 12 1 13 MAINTENANCE SERVICE AND STORAGE SAFETY 1 14 1 15 HIGH PRESSURE OIL LEAK HAZARD 1 16 BATTERY SERVICE PRECAUTIONS 1 17 DRIVING AND TRANSPORTING ON P...

Page 10: ...oving Jumper Cables 4 5 TRANSPORTING SECTION 5 TRANSPORTING THE MACHINE 5 1 Preparing to Transport 5 1 Loading the Machine 5 1 Tie Down Points 5 1 Unloading the Machine 5 2 MAINTENANCE SECTION 6 RECOM...

Page 11: ...led Safety Interlock Switch Detection 6 14 Service Alerts 6 14 Alarms 6 14 Console Diagnostic Codes 6 15 Spartk Arrestor Maitenance 6 16 STORAGE SECTION 7 WINTER STORAGE 7 1 Preparing the Machine for...

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Page 13: ...SAFETY SECTION 1 ZTR 12 20 Safety Section 1 1 2020 Alamo Group Inc...

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Page 15: ...SAFETY SAFETY ZTR 12 20 Safety Section 1 2 2020 Alamo Group Inc...

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Page 18: ...SAFETY SAFETY 2020 Alamo Group Inc ZTR 12 20 Safety Section 1 5...

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Page 22: ...er and other types of hazards to avoid a wheel dropping over the edge or to avoid the ground from breaking away Use a walk behind mower and or a hand trimmer near drop offs ditches steep banks or wate...

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Page 31: ...SAFETY SAFETY 2020 Alamo Group Inc ZTR 12 20 Safety Section 1 18...

Page 32: ...SAFETY ZTR 12 20 Safety Section 1 19 SAFETY 2020 Alamo Group Inc...

Page 33: ...2 Decal Warning Keep Shields in Place 2 D1016 2 Decal Warning Pinch Points 3 D1022 1 Decal Warning Thrown Object Hazard 4 D1024 1 Decal Warning Do Not Mow Without Discharge Chute 5 D1026 1 Decal Noti...

Page 34: ...rators Manual 4 D859 1 Decal Warning Genuine Bush Hog Parts 5 D1019 1 Decal Warning Avoid Injury 6 D1014 1 Decal Warning Tip Over 7 D1018 1 Decal Warning Equip Fires 8 D1030 1 Decal Warning Hazard Spa...

Page 35: ...lbs 22 kg tongue weight Never allow children or others in or on towed equipment Do not tow on slopes greater than 5 degrees 9 On slopes the weight of the towed equipment may cause loss of traction lo...

Page 36: ...nsure that all safety devices guards shields switches etc are in place and working Belt and or blade spindle contact can crush or injury body parts AVOID TIP OVER ROLL OVER INJURY Do not operate machi...

Page 37: ...d on the tractor before attempting to operate this tractor Failure to comply with this information may result in personal injury or death Keep this manual in a safe location for future and regular ref...

Page 38: ...SAFETY SAFETY 2020 Alamo Group Inc ZTR 12 20 Safety Section 1 25 Safety Decal Pictorials...

Page 39: ...SAFETY ZTR 12 20 Safety Section 1 26 2020 Alamo Group Inc SAFETY...

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Page 41: ...INTRODUCTION SECTION 2...

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Page 43: ...tance of 100 feet from the Zero Turn Mower at all times during operation Safety is of primary importance to the owner operator and to the manufacturer Observe all safety precaution decals on the Zero...

Page 44: ...Turn has a 8 gallon fuel system Two hydrostatic transaxles are used for propelling and steering The Transaxles are belt driven by the engine output shaft One lever for each drive controls both speed...

Page 45: ...less Start System Monitoring and Soft Start PTO Engage PTO Electromagnetic Clutch rated at 200 FT LBS FUEL CAPACITY 8 Gallons 87 Octane Unleaded Gasoline TRANSAXLES 2 Hydro Gear ZT5400 Hydrostats TIRE...

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Page 47: ...CONTROLS SECTION 3...

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Page 49: ...NTROL LOCATIONS 1 Transaxle Bypass Linkage 2 Fuel Cap 3 Steering Control Levers 4 Parking Brake Lever 5 Seat Adjusting Lever 6 Deck Lift Pedal 7 Deck Height Adjusting Knob 8 Start Stop Button 9 Mower...

Page 50: ...re not in Neutral position during startup y Parking Brake LED Glows Red if Parking Brake not set during startup u Operator Position Indicator Glows Red if Operator is not in seat i Low Oil Indicator L...

Page 51: ...ing the new code pull the PTO Switch up If the new code is unusable the display will show BAD CODE If this occurs push the PTO switch down and return to step 1 and try a different code NOTE If user do...

Page 52: ...e left Moving the left hand lever forward and the right hand lever backward achieves a zero turn to the right These maneuvers should be done with extra care at a slow speed when turning Speed Tracking...

Page 53: ...Mower near an open flame Clean away any spilled fuel after re fueling and before re starting the Zero Turn Mower Check the gas fill cap often for damage to gasket If dam aged replace the fill cap The...

Page 54: ...e un derside of the Zero Turn Mower as shown above Bypass Control Valves are close to the muffler and other HOT parts NEVER attempt to manipulate the Bypass Control Valves while the engine is running...

Page 55: ...Mower into operation NOTE If the Parking Brake is not set in the Park po sition when starting the engine will not start and the Parking Brake LED will be lit on the console Release the brake after the...

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Page 57: ...OPERATION SECTION 4...

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Page 59: ...e the engine will start PTO Control Switch must be down Off position Parking Brake must be set Up position Both Steering control Levers must be in the Neutral Lock position Operator must be in the sea...

Page 60: ...Left Lever slightly forward and pulling the Right Lever slightly backward negotiates a Right Hand Zero Turn Pushing the Right Lever slightly forward and pulling the Left Lever slightly backward negot...

Page 61: ...Operating on Slopes Safety To avoid tipover drive across slopes not up and down If ma chine stops going uphill stop blades and back down slowly Mowing on wet grass can cause sliding and result in loss...

Page 62: ...neven cut After Mowing is Completed After the Zero Turn Mower is shut down and the engine has cooled use compressed air to clean the top sur faces of the Zero Turn Mower deck and frame If com pressed...

Page 63: ...he Parking Brake 8 Steering Levers in the Neutral Lock position 9 Move Throttle Control to middle position 10 Pull Choke Up On cold starts 11 Enter Console Un Lock Code 12 Press Start Stop Button Remo...

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Page 65: ...TRANSPORTING SECTION 5...

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Page 67: ...over Do not use narrow individual ramps on each side to load this Zero Turn Mower Only use a full width ramp that is wider than the Zero Turn Mowers width The ramp should be 4 times longer than the he...

Page 68: ...g on the ramp and trailer bed This could cause loss of control and tip over 1 Park the trailer on a level surface then lower the ramp NOTE If unloading must be done on a slope position the trailer so...

Page 69: ...MAINTENANCE SECTION 6...

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Page 71: ...the deck lift pivots Every 100 hours Change the engine oil more often in dirty or dusty conditions Check clean and gap the spark plug Check and clean engine cooling fins and shrouds Grease the front...

Page 72: ...r sandy conditions Lubrication Points on the Zero Turn Mower Deck The Zero Turn Mower Deck has 7 grease points 3 points on the Blade Spindles 2 points on the Pusher Bars and 2 points on the Caster Whe...

Page 73: ...my model number CV752 3011 Under Manuals select Owners Select Language English Checking Engine Oil Level NOTE Check oil level when engine is cold Engine oil should be checked before each use or daily...

Page 74: ...wn Strap Remove the bat tery 3 Rinse the battery with plain water and dry BATTERY TERMINALS HOLD DOWN STRAP 4 Clean the terminals with a wire brush removing all corrosion and coat the terminals with a...

Page 75: ...Zero Turn Mower must be standing still when Parking Brake is applied The Parking Brake is designed to hold the Zero Turn Mower in place when all forward or reverse motion has stopped NOTE Applying the...

Page 76: ...Flange Bushing Flatwasher 5 8 Grease Fitting Hub Axle Sleeve Roller Bearing Flange Bushing Locknut 1 2 3 Insert the Axle Sleeve through the Hub into the Flange Bearings and Roller Bearings 4 Put 10 s...

Page 77: ...Inspect belts for severe cracking and large nicks NOTE Belts will show small cracks under normal oper ation Mower Deck Belt Removal and Installation Mower Deck Belt Removal 1 Park the Zero Turn Mower...

Page 78: ...overhead hoist raise the Zero Turn Mower and place jackstands under the Zero Turn Mower Lower Zero Turn Mower down on the jackstands and chock the front wheels Pump Belt Removal 1 Remove the foot plat...

Page 79: ...4 of Pump Belt Removal 2 Place the belt over the Cooling Fans and into the pulley Groove 3 Place the belt on the Idler pulley and pull the belt back to the clutch 4 Place the belt on the upper pulley...

Page 80: ...asher Smooth Side 4 Put the Blade Bolt in the hole of the Blade Washer and push through 5 Install the assembly in the spindle housing and tighten the Blade Bolt to 75 ft lbs torque Adjusting the Mower...

Page 81: ...ity and longer life changing the oil and filter after the initial 100 hours of Zero Turn Mower usage then in 400 hour intervals thereafter is rec ommended NOTE Recommended oil is API classification of...

Page 82: ...of the oil approved for use in hydrostatic drive systems The resulting symptoms in hydrostatic systems may be 1 Noisy operation 2 Lack of power or drive after short term operation 3 High operation tem...

Page 83: ...position during startup y Parking Brake LED Glows Red if Parking Brake not set during startup u Operator Position Indicator Glows Red if Operator is not in seat i Low Oil Indicator LED Alerts Operator...

Page 84: ...ing your Key Code Service Alerts Service alerts remind the operator to perform specific maintenance tasks based on equipment run time While the console is unlocked by entering your Key Code click key...

Page 85: ...17 Check battery condition and connections 18 Check battery condition and connections check starter and fuel solenoid and wiring for shorts 19 Check battery connections and connections check PTO and P...

Page 86: ...soot and carbon The amount of carbon collected will vary with fuel used air quality engine age and condition A soft metel brush may be required to fully clean the screen 4 Cartefully inspect the scree...

Page 87: ...STORAGE SECTION 7...

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Page 89: ...l stabilizer Start the engine and allow it to run until the carburetor is drained of fuel or the stabilizer has reached the carburetor 5 Remove the spark plug and pour about a tablespoon of engine oil...

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Page 91: ...TROUBLE SHOOTING SECTION 8...

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Page 93: ...led Spark Plug Clogged ventilation valve fuel cap ENGINE POWER IS WEAK Clogged Air Filter Fouled Spark Plugs Carburetor out of adjustment Air trapped in hydraulic system MACHINE VIBRATES Loose Blade o...

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Page 95: ...TECHNICAL DATA SECTION 9...

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Page 97: ...el Sender Black Yellow Battery Ground Black Fuse 30AMP Red Oil Pressure Gray Black L H Neutral Switch Orange Green Parking Brake Violet Green Engine Connector to Adaptor Harness Lights Red White Black...

Page 98: ...TECHNICAL DATA TECHNICAL ZTR 12 20 Technical Data Section 9 2 2020 Alamo Group Inc MAIN WIRING HARNESS SCHEMATIC...

Page 99: ...TECHNICAL DATA TECHNICAL ZTR 12 20 Technical Data Section 9 3 2020 Alamo Group Inc 50077206 ENGINE ADAPTOR HARNESS for KAWASAKI ENGINES...

Page 100: ...APTOR HARNESS for KOHLER ENGINES 1 2 3 4 5 6 7 8 9 BATTERY RED 14 GA GROUND SOLENOID BLACK 14 GA STARTER SOLENOID PURPLE 14 GA CONNECTOR FEMALE 9 POSITION 1 2 3 4 5 6 OIL SENDER GRAY BLACK 18 GA CONNR...

Page 101: ...TECHNICAL DATA TECHNICAL ZTR 12 20 Technical Data Section 9 5 2020 Alamo Group Inc...

Page 102: ...TECHNICAL DATA TECHNICAL ZTR 12 20 Technical Data Section 9 6 2020 Alamo Group Inc SERVICE and MAINTENANCE RECORDS Service or Maintenance Date Meter Performed Hours...

Page 103: ...TECHNICAL DATA TECHNICAL ZTR 12 20 Technical Data Section 9 7 2020 Alamo Group Inc NOTES...

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Page 106: ...HDZ 4 SERIES ZERO TURN MOWER P N 50081560 Printed in U S A...

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