Hyundai HW65AH Service Manual
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Hyundai HW65AH Service Manual

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HW65AH
WHEELED EXCAVATOR
SERVICE MANUAL

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Summary of Contents for Hyundai HW65AH

  • Page 1 HW65AH WHEELED EXCAVATOR SERVICE MANUAL...
  • Page 2 TABLE OF CONTENT CONTENTS FOREWORD 1. Structure 2. How To Read The Service Manual 3. Conversion Table SECTION 1 GENERAL Group 1 Safety Group 2 Specifications 1. Major Component 2. Specifications 3. Working Range 4. Weight 5. Lifting Capacities 6. Bucket Selection Guide 7.
  • Page 3 3. Hydraulic Circuit (3/3) Group 2 Main Circuit 1. Suction And Delivery Circuit 2. Return Circuit 3. Drain Circuit Group 3 Pilot Circuit 1. Suction, Delivery And Return Circuit 2. Safety Valve (safety Lever) 3. Travel Speed Control System 4. Swing Parking Brake Release Group 4 Single Operation 1.

  • Page 4: Section 5 Troubleshooting

    1. Power Circuit 2. Starting Circuit 3. Charging Circuit 4. Head Lamp And Work Lamp Circuit 5. Beacon Lamp And Cab Lamp Circuit 6. Wiper And Washer Circuit Monitoring Circuit Illumination Circuit Combination Lamp Circuit Electric Circuit For Hydraulic Group 4 Electrical Component Specification Group 5 Connectors 1.

  • Page 5: Section 7 Disassembly And Assembly

    4. Travel Motor 5. Rcv Lever 6. Accelerator Pedal 7. Turning Joint 8. Cylinder 9. Work Equipment SECTION 7 DISASSEMBLY AND ASSEMBLY Group 1 Precautions 1. Removal Work 2. Install Work 3. Completing Work Group 2 Tightening Torque 1. Major Components 2.
  • Page 6 1. Removal And Install 2. Disassembly And Assembly Group 12 Boom, Arm And Bucket Cylinders 1. Removal And Install 2. Disassembly And Assembly Group 13 Work Equipment 1. Structure 2. Removal And Install Find manuals at https://best-manuals.com...
  • Page 7 CONTENTS CONTENTS SECTION 1 GENERAL SECTION 1 GENERAL Group 1 Safety Hints ---------------------------------------------------------------------------------------------------- 1-1 Group 2 Specifications ------------------------------------------------------------------------------------------------- 1-9 SECTION 2 STRUCTURE AND FUNCTION SECTION 2 STRUCTURE AND FUNCTION Group 1 Pump Device -------------------------------------------------------------------------------------------------- 2-1 Group 2 Main Control Valve ----------------------------------------------------------------------------------------- 2-6 Group 3 Swing Device ------------------------------------------------------------------------------------------------- 2-28 Group 4 Travel Device -------------------------------------------------------------------------------------------------- 2-38 Group 5 RCV Lever ------------------------------------------------------------------------------------------------------ 2-44...
  • Page 8 SECTION 6 MAINTENANCE STANDARD SECTION 6 MAINTENANCE STANDARD Group 1 Operational Performance Test ---------------------------------------------------------------------- 6-1 Group 2 Major Components ---------------------------------------------------------------------------------------- 6-19 SECTION 7 DISASSEMBLY AND ASSEMBLY SECTION 7 DISASSEMBLY AND ASSEMBLY Group 1 Precaution ------------------------------------------------------------------------------------------------------ 7-1 Group 2 Tightening Torque ------------------------------------------------------------------------------------------ 7-4 Group 3 Pump Device -------------------------------------------------------------------------------------------------- 7-7 Group 4 Main Control Valve ----------------------------------------------------------------------------------------- 7-41 Group 5 Swing Device ------------------------------------------------------------------------------------------------- 7-56...
  • Page 9 This section shows bolt specifications and standard torque values needed when mounting components to the machine. The specifications contained in this shop manual are subject to change at any time and without any advance notice. Contact your HD Hyundai Construction Equipment distributor for the latest information. Find manuals at https://best-manuals.com...
  • Page 10 Revised edition mark Revised edition mark (①②③…) Any additions, amendments or other changes will When a manual is revised, an edition mark is be sent to HD Hyundai Construction Equipment recorded on the bottom outside corner of the distributors. pages.

  • Page 11: Conversion Table

    3. CONVERSION TABLE Method of using the Conversion Table The Conversion Table in this section is provided to enable simple conversion of figures. For details of the method of using the Conversion Table, see the example given below. Example Method of using the Conversion Table to convert from millimeters to inches Convert 55mm into inches.
  • Page 12 Millimeters to inches 1 mm = 0.03937 in 0.039 0.079 0.118 0.157 0.197 0.236 0.276 0.315 0.354 0.394 0.433 0.472 0.512 0.551 0.591 0.630 0.669 0.709 0.748 0.787 0.827 0.866 0.906 0.945 0.984 1.024 1.063 1.102 1.142 1.181 1.220 1.260 1.299 1.339 1.378...
  • Page 13 Liter to U.S. Gallon = 0.2642 U.S.Gal 0.264 0.528 0.793 1.057 1.321 1.585 1.849 2.113 2.378 2.642 2.906 3.170 3.434 3.698 3.963 4.227 4.491 4.755 5.019 5.283 5.548 5.812 6.6076 6.340 6.604 6.869 7.133 7.397 7.661 7.925 8.189 8.454 8.718 8.982 9.246 9.510...
  • Page 14 kgf m to lbf ft 1 kgf m = 7.233 lbf ft 14.5 21.7 28.9 36.2 43.4 50.6 57.9 65.1 72.3 79.6 86.8 94.0 101.3 108.5 115.7 123.0 130.2 137.4 144.7 151.9 159.1 166.4 173.6 180.8 188.1 195.3 202.5 209.8 217.0 224.2 231.5...
  • Page 15 kgf/cm to lbf/in 1 kgf / cm = 14.2233 lbf / in 14.2 28.4 42.7 56.9 71.1 85.3 99.6 113.8 128.0 142.2 156.5 170.7 184.9 199.1 213.4 227.6 241.8 256.0 270.2 284.5 298.7 312.9 327.1 341.4 355.6 369.8 384.0 398.3 412.5 426.7 440.9...
  • Page 16 TEMPERATURE Fahrenheit-Centigrade Conversion. A simple way to convert a fahrenheit temperature reading into a centigrade temperature reading or vice verse is to enter the accompanying table in the center or boldface column of figures. These figures refer to the temperature in either Fahrenheit or Centigrade degrees. If it is desired to convert from Fahrenheit to Centigrade degrees, consider the center column as a table of Fahrenheit temperatures and read the corresponding Centigrade temperature in the column at the left.

  • Page 17: Section 1 General

    SECTION 1 GENERAL SECTION 1 GENERAL Group 1 Safety Hints ----------------------------------------------------------------------------------------------------- 1-1 Group 2 Specifications -------------------------------------------------------------------------------------------------- 1-9...
  • Page 18 SECTION 1 GENERAL SECTION 1 GENERAL GROUP 1 SAFETY GROUP 1 SAFETY FOLLOW SAFE PROCEDURE FOLLOW SAFE PROCEDURE Unsafe work practices are dangerous. Understand service procedure before doing work; do not attempt shortcuts. WEAR PROTECTIVE CLOTHING WEAR PROTECTIVE CLOTHING Wear close fitting clothing and safety equipment appropriate to the job.

  • Page 19: Prepare For Emergencies

    PREPARE FOR EMERGENCIES PREPARE FOR EMERGENCIES Be prepared if a fire starts. Keep a first aid kit and fire extinguisher handy. Keep emergency numbers for doctors, ambulance service, hospital, and fire department near your telephone. 13031GE04 PROTECT AGAINST FLYING DEBRIS PROTECT AGAINST FLYING DEBRIS Guard against injury from flying pieces of metal or debris;...
  • Page 20 KEEP RIDERS OFF EXCAVATOR KEEP RIDERS OFF EXCAVATOR Only allow the operator on the excavator. Keep riders off. Riders on excavator are subject to injury such as being struck by foreign objects and being thrown off the excavator. Riders also obstruct the operator's view resulting in the excavator being operated in an unsafe manner.

  • Page 21: Support Machine Properly

    SUPPORT MACHINE PROPERLY SUPPORT MACHINE PROPERLY Always lower the attachment or implement to the ground before you work on the machine. If you must work on a lifted machine or attachment, securely support the machine or attachment. Do not support the machine on cinder blocks, hollow tiles, or props that may crumble under continuous load.

  • Page 22: Beware Of Exhaust Fumes

    BEWARE OF EXHAUST FUMES BEWARE OF EXHAUST FUMES Prevent asphyxiation. Engine exhaust fumes can cause sickness or death. If you must operate in a building, be positive there is adequate ventilation. Either use an exhaust pipe extension to remove the exhaust fumes or open doors and windows to bring enough outside air into the area.

  • Page 23: Stay Clear Of Moving Parts

    SERVICE MACHINE SAFELY SERVICE MACHINE SAFELY Tie long hair behind your head. Do not wear a necktie, scarf, loose clothing or necklace when you work near machine tools or moving parts. If these items were to get caught, severe injury could result.

  • Page 24: Prevent Battery Explosions

    AVOID HEATING NEAR PRESSURIZED FLUID AVOID HEATING NEAR PRESSURIZED FLUID LINES LINES Flammable spray can be generated by heating near pressurized fluid lines, resulting in severe burns to yourself and bystanders. Do not heat by welding, soldering, or using a torch near pressurized fluid lines or other flammable materials.

  • Page 25: Replace Safety Signs

    USE TOOLS PROPERLY USE TOOLS PROPERLY Use tools appropriate to the work. Makeshift tools, parts, and procedures can create safety hazards. Use power tools only to loosen threaded tools and fasteners. For loosening and tightening hardware, use the correct size tools. DO NOT use U.S. measurement tools on metric fasteners.

  • Page 26: Major Component

    GROUP 2 SPECIFICATIONS GROUP 2 SPECIFICATIONS 1. MAJOR COMPONENT 1. MAJOR COMPONENT Battery box Swing motor Fuel tank Hydraulic tank Oil cooler Radiator Engine Main pump Tooth Main control valve Bucket Turning joint Arm cylinder Boom Boom cylinder Swing post Muffler Counterweight Dozer cylinder...

  • Page 27: Specifications

    2. SPECIFICATIONS 2. SPECIFICATIONS 1) 1) 3.0 m m (9'10") MONO BOOM, 1.6 (9'10") MONO BOOM, 1.6 m m (5' 3") ARM WITH BOOM SWING SYSTEM (5' 3") ARM WITH BOOM SWING SYSTEM I(I') B(L) HW65AH2SP02 Unit Specification Boom 3.0 ( 9' 10") m (ft-in) Description 1.60 ( 5' 3")
  • Page 28 3.0 m m (9'10") MONO BOOM, 1.9 (9'10") MONO BOOM, 1.9 m m (6' 3") ARM WITH BOOM SWING SYSTEM (6' 3") ARM WITH BOOM SWING SYSTEM 2) 2) I(I') B(L) Unit Specification Boom 3.0 ( 9' 10") m (ft-in) Description 1.90 ( 6' 3") Tire...

  • Page 29: Working Range

    3. WORKING RANGE 3. WORKING RANGE 1) 1) 3.0 m m (9'10") MONO BOOM WITH BOOM SWING (9'10") MONO BOOM WITH BOOM SWING SYSTEM SYSTEM HW65AH2SP03 3.0 m (9' 10") Boom Description m (ft-in) 1.6 m (5' 3") 1.9 m (6' 3") Max digging reach 6150 mm (20' 2") 6450 mm (21' 2")
  • Page 30 4. WEIGHT 4. WEIGHT HW65AH Item Upperstructure assembly Main frame weld assembly 1684 Engine assembly Aftertreatment assy Main pump assembly Main control valve assembly Swing motor assembly Hydraulic oil tank assembly Hydraulic oil (max) Fuel tank assembly Fuel oil (max)

  • Page 31: Lifting Capacities

    Lifting capacities will vary with different work tools, ground conditions and attachments. The difference between the weight of a work tool attachment must be subtracted. Consult your HD Hyundai Construction Equipment dealer regarding the lifting capacities for specific work tools and attachments.
  • Page 32 Lifting capacities will vary with different work tools, ground conditions and attachments. The difference between the weight of a work tool attachment must be subtracted. Consult your HD Hyundai Construction Equipment dealer regarding the lifting capacities for specific work tools and attachments.
  • Page 33 Lifting capacities will vary with different work tools, ground conditions and attachments. The difference between the weight of a work tool attachment must be subtracted. Consult your HD Hyundai Construction Equipment dealer regarding the lifting capacities for specific work tools and attachments.
  • Page 34 Lifting capacities will vary with different work tools, ground conditions and attachments. The difference between the weight of a work tool attachment must be subtracted. Consult your HD Hyundai Construction Equipment dealer regarding the lifting capacities for specific work tools and attachments.
  • Page 35 Lifting capacities will vary with different work tools, ground conditions and attachments. The difference between the weight of a work tool attachment must be subtracted. Consult your HD Hyundai Construction Equipment dealer regarding the lifting capacities for specific work tools and attachments.
  • Page 36 Lifting capacities will vary with different work tools, ground conditions and attachments. The difference between the weight of a work tool attachment must be subtracted. Consult your HD Hyundai Construction Equipment dealer regarding the lifting capacities for specific work tools and attachments.
  • Page 37 Lifting capacities will vary with different work tools, ground conditions and attachments. The difference between the weight of a work tool attachment must be subtracted. Consult your HD Hyundai Construction Equipment dealer regarding the lifting capacities for specific work tools and attachments.
  • Page 38 Lifting capacities will vary with different work tools, ground conditions and attachments. The difference between the weight of a work tool attachment must be subtracted. Consult your HD Hyundai Construction Equipment dealer regarding the lifting capacities for specific work tools and attachments.
  • Page 39 Lifting capacities will vary with different work tools, ground conditions and attachments. The difference between the weight of a work tool attachment must be subtracted. Consult your HD Hyundai Construction Equipment dealer regarding the lifting capacities for specific work tools and attachments.
  • Page 40 Lifting capacities will vary with different work tools, ground conditions and attachments. The difference between the weight of a work tool attachment must be subtracted. Consult your HD Hyundai Construction Equipment dealer regarding the lifting capacities for specific work tools and attachments.
  • Page 41 This as a preview PDF file from best-manuals.com Download full PDF manual at best-manuals.com...

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