Hyundai HX235 LCR T3 Service Manual
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Hyundai HX235 LCR T3 Service Manual

Crawler excavator
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HX235 LCR T3
CRAWLER EXCAVATOR
SERVICE MANUAL

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Summary of Contents for Hyundai HX235 LCR T3

  • Page 1 HX235 LCR T3 CRAWLER EXCAVATOR SERVICE MANUAL...

  • Page 2: Structure And Function

    Table of Content FOREWORD GENERAL 1. SAFETY HINTS 2. SPECIFICATIONS STRUCTURE AND FUNCTION 1. PUMP DEVICE 2. MAIN CONTROL VALVE 3. SWING DEVICE (TYPE 1 AND 2) 4. TRAVEL DEVICE (TYPE1, 2) 5. RCV LEVER 6. RCV PEDAL HYDRAULIC SYSTEM 1.

  • Page 3: Troubleshooting

    15. MONITORING SYSTEM 16. FUEL WARMER SYSTEM TROUBLESHOOTING 1. BEFORE TROUBLESHOOTING 2. HYDRAULIC AND MECHANICAL SYSTEM 3. ELECTRICAL SYSTEM 4. MECHATRONICS SYSTEM 5. AIR CONDITIONER & HEATER SYSTEM MAINTENANCE STANDARD 1. OPERATIONAL PERFORMANCE TEST 2. MAJOR COMPONENT 3. TRACK AND WORK EQUIPMENT DISASSEMBLY AND ASSEMBLY 1.
  • Page 4 The specifications contained in this shop manual are subject to change at any time and without any advance notice. Contact your HYUNDAI distributor for the latest information. Find manuals at https://best-manuals.com...
  • Page 5 Revised edition mark (①②③…) Any additions, amendments or other changes will When a manual is revised, an edition mark is be sent to HYUNDAI distributors. recorded on the bottom outside corner of the Get the most up-to-date information before you pages.

  • Page 6: 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 7 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 8 Liter to U.S. Gallon 1ℓ = 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...
  • Page 9 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 94.0 101.3 108.5 115.7 123.0 130.2 137.4 144.7 151.9 159.1 166.4 173.6 180.8 188.1 195.3 202.5 209.8 217.0 224.2 231.5 238.7 245.9 253.2 260.4...
  • Page 10 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 11 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 12: Section 1 General

    SECTION 1 GENERAL Group 1 Safety Hints -------------------------------------------------------------------------------------------------------- 1-1 Group 2 Specifications ----------------------------------------------------------------------------------------------------- 1-10...
  • Page 13 SECTION 1 GENERAL GROUP 1 SAFETY FOLLOW SAFE PROCEDURE Unsafe wor k practices are dangerous. Understand service procedure before doing work; Do not attempt shortcuts. WEAR PROTECTIVE CLOTHING Wear close fitting clothing and safety equipment appropriate to the job. 13031GE01 WARN OTHERS OF SERVICE WORK Unexpected machine movement can cause serious injury.
  • Page 14 PREPARE FOR EMERGENCIES Be prepared if a fire starts. Keep a first aid kit and fire extinguisher handy. Keep emergency numbers for doctors, ambulance ser vice, hospital, and fire department near your telephone. 13031GE04 PROTECT AGAINST FLYING DEBRIS Guard against injury from flying pieces of metal or debris;...

  • Page 15: Move And Operate Machine Safely

    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 16 SUPPORT MACHINE PROPERLY Always lower the attachment or implement to the ground before you work on the machine. If you must wor k 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 17: 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 18: Avoid High Pressure Fluids

    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. Remove rings and other jewelry to prevent electrical shorts and entanglement in moving parts.

  • Page 19: Prevent Battery Explosions

    AVOID HEATING NEAR PRESSURIZED FLUID 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 20: Prevent Acid Burns

    PREVENT ACID BURNS Sulfuric acid in battery electrolyte is poisonous. It is strong enough to burn skin, eat holes in clothing, and cause blindness if splashed into eyes. Avoid the hazard by: 1. Filling batteries in a well-ventilated area. 2. Wearing eye protection and rubber gloves. 3.

  • Page 21: Live With Safety

    DISPOSE OF FLUIDS PROPERLY Improperly disposing of fluids can harm the environment and ecology. Before draining any fluids, find out the proper way to dispose of waste from your local environmental agency. Use proper containers when draining fluids. Do not use food or beverage containers that may mislead someone into drinking from them.

  • Page 22: Major Component

    GROUP 2 SPECIFICATIONS 1. MAJOR COMPONENT Fuel tank Hydraulic tank Main pump Main control valve Engine Oil cooler Radiator Charge air cooler Bucket Turning joint Swing motor Battery Tooth Arm cylinder Boom Boom cylinder Guardrail Counterweight Muffler Swing bearing Sprocket Bucket cylinder Control link Track roller...
  • Page 23 2. SPECIFICATIONS HX235LCRT3 I(I') B(L) 235SA2SP02 Unit Specification Boom 5.68 (18' 8") Description m (ft-in) 2.92 (9' 7") 2.00 (6' 7") 2.40 (7' 10") mm (in) Shoe 600 (24) Operating weight kg (lb) 24200 53350 24000 52910 24100 53130 Bucket capacity (SAE heaped), standard m³...
  • Page 24 HX235LCRT3, WITH DOZER I(I') B(L) 235SA2SP03 Unit Specification Boom 5.68 (18' 8") Description m (ft-in) 2.92 (9' 7") 2.00 (6' 7") 2.40 (7' 10") mm (in) Shoe 600 (24) Operating weight kg (lb) 25600 56440 25500 56220 25500 56220 Bucket capacity (SAE heaped), standard m³...
  • Page 25 HX235LCRT3, HEAVY DUTY I(I') B(L) 235SA2SP02 Unit Specification Boom 5.68 (18' 8") Description m (ft-in) 2.92 (9' 7") 2.00 (6' 7") 2.40 (7' 10") mm (in) Shoe 600 (24) Operating weight kg (lb) 24200 53350 24000 52910 24100 53130 Bucket capacity (SAE heaped), standard m³...
  • Page 26 3. WORKING RANGE HX235LCRT3 235SA2SP04 Boom 5.68 (18' 8") Description m (ft-in) 2.92 (9' 7") 2.40 (7' 10") 2.00 (6' 7") Max digging reach 9910 ( 32' 6" ) 9430 ( 30' 11" ) 9040 ( 29' 8" ) Max digging reach on ground 9750 ( 32' 0"...
  • Page 27 4. WEIGHT HX235LCRT3 HX235LCRT3, W/DZR HX235LCRT3, H/DUTY Item Upperstructure assembly 11446 25230 11446 25230 11446 25230 Main frame weld assembly 2004 4420 2004 4420 2004 4420 Engine assembly 1440 1440 1440 Main pump assembly Main control valve assembly Swing motor assembly Hydraulic oil tank assembly Fuel tank assembly Counterweight...

  • Page 28: 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 Hyundai dealer regarding the lifting capacities for specific work tools and attachments. Failure to comply to the rated load can cause possible personal injury or property damage.
  • Page 29 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 Hyundai dealer regarding the lifting capacities for specific work tools and attachments. Failure to comply to the rated load can cause possible personal injury or property damage.
  • Page 30 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 Hyundai dealer regarding the lifting capacities for specific work tools and attachments. Failure to comply to the rated load can cause possible personal injury or property damage.
  • Page 31 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 Hyundai dealer regarding the lifting capacities for specific work tools and attachments. Failure to comply to the rated load can cause possible personal injury or property damage.
  • 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 Hyundai dealer regarding the lifting capacities for specific work tools and attachments. Failure to comply to the rated load can cause possible personal injury or property damage.
  • 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 Hyundai dealer regarding the lifting capacities for specific work tools and attachments. Failure to comply to the rated load can cause possible personal injury or property damage.
  • 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 Hyundai dealer regarding the lifting capacities for specific work tools and attachments. Failure to comply to the rated load can cause possible personal injury or property damage.
  • 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 Hyundai dealer regarding the lifting capacities for specific work tools and attachments. Failure to comply to the rated load can cause possible personal injury or property damage.
  • 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 Hyundai dealer regarding the lifting capacities for specific work tools and attachments. Failure to comply to the rated load can cause possible personal injury or property damage.
  • Page 37 Work tools and ground conditions have effects on machine performance. Select an optimum combination according to the working conditions and the type of work that is being done. Consult your Hyundai dealer for information on selecting the correct boom-arm-bucket combination. 1-25...
  • Page 38 7. UNDERCARRIAGE TRACKS X-leg type center frame is integrally welded with reinforced box-section track frames. The design includes dry tracks, lubricated rollers, idlers, sprockets, hydraulic track adjusters with shock absorb- ing springs and assembled track-type tractor shoes with triple grousers. TYPES OF SHOES Triple grouser Model...
  • Page 39 SELECTION OF TRACK SHOE Suitable track shoes should be selected according to operating conditions. Method of selecting shoes Confirm the category from the list of applications in table 2, then use table 1 to select the shoe. Wide shoes (categories B and C) have limitations on applications. Before using wide shoes, check the precautions, then investigate and study the operating conditions to confirm if these shoes are suitable.
  • Page 40 8. SPECIFICATIONS FOR MAJOR COMPONENTS 8. SPECIFICATIONS FOR MAJOR COMPONENTS ENGINE ENGINE Item Specification Model Hyundai HE6.7 4-cycle, turbocharged, charge air cooled, Type electronic controlled diesel engine Cooling method Water cooled Number of cylinders and arrangement 6 cylinders, in-line Firing order...
  • Page 41 This as a preview PDF file from best-manuals.com Download full PDF manual at best-manuals.com...

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