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Hyundai HX235A LCR Service Manual
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Hyundai HX235A LCR Service Manual

Crawler excavator
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HX235A LCR
CRAWLER EXCAVATOR
SERVICE MANUAL

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Summary of Contents for Hyundai HX235A LCR

  • Page 1 HX235A LCR CRAWLER EXCAVATOR SERVICE MANUAL...

  • Page 2: Table Of Contents

    Table of Content FOREWORD 1. Structure 2. How To Read The Service Manual 3. Conversion Table SECTION 1 GENERAL Group 1 Safety Group 2 Specifications SECTION 2 STRUCTURE AND FUNCTION Group 1 Pump Device Group 2 Main Control Valve Group 3 Swing Device Group 4 Travel Device Group 5 Rcv Lever Group 6 Rcv Pedal...
  • Page 3 Group 11 Anti-restart System Group 12 Self-diagnostic System Group 13 Engine Control System Group 14 Eppr Valve Group 15 Monitoring System Group 16 Fuel Warmer System SECTION 6 TROUBLESHOOTING Group 1 Before Troubleshooting Group 2 Hydraulic And Mechanical System Group 3 Electrical System Group 4 Mechatronics System Group 5 Air Conditioner &...

  • Page 4: Foreword

    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: How To Read The Service Manual

    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 1mm = 0.03937in 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 1.417 1.457...
  • 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 1kgf·m = 7.233lbf·ft 14.5 21.7 28.9 36.2 43.4 50.6 57.9 65.1 72.3 79.6 86.8 94.0 101.3 108.5 115.7 123.0 130.2 137.4 144.7 151.9 159.1 166.4 173.6 180.8 188.1 195.3 202.5 209.8 217.0 224.2 231.5 238.7 245.9 253.2 260.4 267.6 274.9...
  • Page 10 kgf/cm to lbf/in 1kgf / cm = 14.2233lbf / in 14.2 28.4 42.7 56.9 71.1 85.3 99.6 113.8 128.0 142.2 156.5 170.7 184.9 199.1 213.4 227.6 241.8 256.0 270.2 284.5 298.7 312.9 327.1 341.4 355.6 369.8 384.0 398.3 412.5 426.7 440.9 455.1 469.4...
  • 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: Group 1 Safety

    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 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 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 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 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 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 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: Group 2 Specifications

    GROUP 2 SPECIFICATIONS 1. MAJOR COMPONENT DEF/AdBlue tank Main control valve Fuel tank Hydraulic tank Main pump After treatment device Engine Oil cooler Radiator Charge air cooler Turning joint Swing motor Battery Tooth Bucket Guardrail Boom cylinder Arm cylinder Boom Counterweight Muffler Swing bearing...
  • Page 23 2. SPECIFICATIONS HX235A LCR, MONO BOOM, WITHOUT DOZER I(I') B(L) 235A2SP02 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) 24480 (53970)
  • Page 24 HX235A LCR, MONO BOOM, WITH DOZER I(I') B(L) 235A2SP03 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) 25950 (57210) 25790 (56860)
  • Page 25 HX235A LCR, 2 PCS, WITHOUT DOZER I(I') B(L) 235A2SP04 Unit Specification Boom 5.65 (18' 6") 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) 25240 (55640) 25080 (55290)
  • Page 26 HX235A LCR, 2 PCS, WITH DOZER I(I') B(L) 235A2SP05 Unit Specification Boom 5.65 (18' 6") 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) 26700 (58860) 26530 (58490)
  • Page 27 3. WORKING RANGE HX235A LCR, MONO BOOM 235A2SP06 Boom 5.68 (18' 8") Description m (ft-in) 2.92 (9' 7") 2.00 (6' 7") 2.40 (7' 10") Max digging reach 9910 ( 32' 6" ) 9040 ( 29' 8" ) 9430 ( 30' 11" ) Max digging reach on ground 9750 ( 32' 0"...
  • Page 28 HX235A LCR, 2-PIECE BOOM 235A2SP07 Boom 5.65 (18' 6") Description m (ft-in) 2.92 (9' 7") 2.00 (6' 7") 2.40 (7' 10") Max digging reach 10020 ( 32' 10" ) 9050 ( 29' 8" ) 9460 ( 31' 0" ) Max digging reach on ground 9860 ( 32' 4"...
  • Page 29 4. WEIGHT 4. WEIGHT HX235A LCR Item Upperstructure assembly ·Main frame weld assembly 2060 4540 ·Engine assembly 1280 ·Aftertreatment assy ·Main pump assembly ·Main control valve assembly ·Swing motor assembly ·Fuel&HYD Tank Assy 5300 11680 ·Counterweight ·Cab assembly 1060 Lower chassis assembly ·Track frame weld assembly...
  • 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 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 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 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 39 The difference between the weight of a work tool attachment must be subtracted. 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 Consult your Hyundai dealer regarding the lifting capacities for specific work tools and attachments.
  • Page 40 The difference between the weight of a work tool attachment must be subtracted. 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 Consult your Hyundai 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...