Hyundai Robex 290LC-9MH Service Manual
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Hyundai Robex 290LC-9MH Service Manual

Crawler excavator
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Robex 290LC-9MH
CRAWLER EXCAVATOR
SERVICE MANUAL

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Summary of Contents for Hyundai Robex 290LC-9MH

  • Page 1 Robex 290LC-9MH 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 1. Major Component 2. Specifications 3. Working Range 4. Weight 5. Lifting Capacities 6. Grapple Guide 7.
  • Page 3 1. Structure 2. Function SECTION 3 HYDRAULIC SYSTEM Group 1 Hydraulic Circuit 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 Solenoid Valve (safety Lever) 3.
  • Page 4 4. Head And Work Light Circuit 5. Beacon Lamp And Cab Light Circuit 6. Wiper And Washer Circuit Group 3 Electrical Component Specification Group 4 Connectors 1. Connector Destination 2. Connection Table For Connectors SECTION 5 MECHATRONICS SYSTEM Group 1 Outline Group 2 Mode Selection System 1.
  • Page 5 1. Introduction 2. Drive System 3. Hydraulic System 4. Swing System 5. Travel System 6. Attachment System Group 3 Electrical System 1. When Starting Switch Is Turned On, Monitor Panel Display Does Not Appear 3. Battery Charging Warning Lamp Lights Up(starting Switch : On) 4.
  • Page 6 3. Operation For Performance Tests Group 2 Major Component 1. Main Pump 2. Main Control Valve 3. Swing Device 4. Travel Motor (type 1) 5. Travel Motor (type 2) 5. Travel Reduction Gear 6. Rcv Lever 7. Rcv Pedal 8. Turning Joint 9.
  • Page 7 7. Assembly Redution Unit Group 6 Travel Device (type 1) 1. Removal And Install 2. Specification 2. Disassembling 3. Disassembling Reduction Unit 6. Assembling Reduction Gear Group 7 Rcv Lever 1. Removal And Install 2. Disassembly And Assembly Group 8 Turning Joint 1.

  • Page 8: Foreword

    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 HYUNDAI distributor for the latest information. Find manuals at https://best-manuals.com...

  • Page 9: 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 10: Conversion Table

    3. 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 Example 1.
  • Page 11 Millimeters to inches 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...
  • Page 12 Liter to U.S. Gallon 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...
  • Page 13 kgf·m to to lbf lbf·ft 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...
  • Page 14 kgf/cm kgf/cm to to lbf/in 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...
  • Page 15 TEMPERATURE 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 16: Section 1 General

    SECTION 1 GENERAL SECTION 1 GENERAL Group 1 Safety Hints -------------------------------------------------------------------------------------------------------- 1-1 Group 2 Specifications ----------------------------------------------------------------------------------------------------- 1-10...

  • Page 17: Group 1 Safety

    SECTION 1 GENERAL SECTION 1 GENERAL GROUP 1 SAFETY GROUP 1 SAFETY FOLLOW SAFE PROCEDURE FOLLOW SAFE PROCEDURE Unsafe wor k 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 18 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 ser vice, 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 19 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 20 SUPPORT MACHINE PROPERLY 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 13031GE10 continuous load.
  • Page 21 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 22 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 23 AVOID HEATING NEAR PRESSURIZED AVOID HEATING NEAR PRESSURIZED FLUID LINES 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 24 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.
  • Page 25 DISPOSE OF FLUIDS PROPERLY 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 26: Group 2 Specifications

    GROUP 2 SPECIFICATIONS GROUP 2 SPECIFICATIONS 1. MAJOR COMPONENT 1. MAJOR COMPONENT ·7.8 m (25' 7") BOOM, 5.4 m (17' 9") ARM AND 1.2 m (3' 11") TILT CAB Battery box Fuel tank Hydraulic tank Main pump Engine Oil cooler Turning joint Swing motor Main control valve...
  • Page 27 ·7.8 m (25' 7") BOOM, 5.4 m (17' 9") ARM AND 2.0 m (6' 7") ELEVATING CAB Battery box Fuel tank Hydraulic tank Main pump Engine Oil cooler Turning joint Swing motor Main control valve Radiator Arm cylinder Counterweight Boom Boom cylinder Elevating cab divice Grab...

  • Page 28: Specifications

    2. SPECIFICATIONS 7.8 m (25' 7") BOOM, 5.4 m (17' 9") ARM AND 1.2 m (3' 11") TILT CAB I(I') 2909MH2SP02 Description Unit Specification Operating weight kg (lb) 32710 (72110) Grapple capacity, standard 0.90 (1.18) Overall length 11085 (36' 4") Overall width, with 800mm shoe 3520 (11' 7") Attachment height...
  • Page 29 7.8 m (25' 7") BOOM, 5.4 m (17' 9") ARM AND 2.0 m (6' 7") ELEVATING CAB I(I') 2909MH2SP04 Description Unit Specification Operating weight kg (lb) 33660 (74210) Grapple capacity, standard 0.90 (1.18) Overall length 11085 (36' 4") Overall width, with 800mm shoe 3520 (11' 7") Attachment height 4170 (13' 8")

  • Page 30: Working Range

    3. WORKING RANGE 3. WORKING RANGE ·7.8 m (25' 7") BOOM 2909MH2SP03 Description 5.40 m (17' 9") Arm Max working reach 13090 mm (42' 11") Max working height 14590 mm (47' 10") Max working depth 6190 mm (20' 4") 1-14...

  • Page 31: Weight

    4. WEIGHT 4. WEIGHT R290LC-9MH Item Upperstructure assembly (tilting cab) 17980 39640 Upperstructure assembly (elevating cab) 18930 41730 Main frame weld assembly (tilting cab) 2840 6260 Main frame weld assembly (elevating cab) 2750 6060 Engine assembly 1230 Main pump assembly Main control valve assembly Swing motor assembly Hydraulic oil tank assembly...

  • Page 32: Lifting Capacities

    5. LIFTING CAPACITIES 7.8 m (25' 7") boom, 5.4 m (17' 9") arm, 800 mm (32") triple grouser shoe and cab riser. : Rating over-side or 360 degree : Rating over-front Load radius At max. reach Load 3.0 m (9.8 ft) 4.5 m (14.8 ft) 6.0 m (19.7 ft) 7.5 m (24.6 ft) 9.0 m (29.5 ft) 10.5 m (34.4 ft) 12.0 m (39.4 ft) Capacity Reach point height...
  • Page 33 7.8 m (25' 7") boom, 5.4 m (17' 9") arm, 800 mm (32") triple grouser shoe and elevating cab. : Rating over-front : Rating over-side or 360 degree Load radius At max. reach Load 3.0 m (9.8 ft) 4.5 m (14.8 ft) 6.0 m (19.7 ft) 7.5 m (24.6 ft) 9.0 m (29.5 ft) 10.5 m (34.4 ft) 12.0 m (39.4 ft) Capacity Reach point height...

  • Page 34: Grapple Guide

    6. GRAPPLE GUIDE 6. GRAPPLE GUIDE Item Lifting capacity Max opening width (A) Weight ★ 2000 mm Orange 0.90 m 1400 kg grapple (1.18 yd (3090 lb) (6' 7") 300E2SP10 3500 mm Wood 1.90 m 2100 kg grapple (2.49 yd (4630 lb) (11' 6") 2909MH2SP06...

  • Page 35: Undercarriage

    7. UNDERCARRIAGE 7. UNDERCARRIAGE TRACKS TRACKS 1) 1) 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. 2) 2) TYPES OF SHOES TYPES OF SHOES...

  • Page 36: Specifications For Major Components

    8. SPECIFICATIONS FOR MAJOR COMPONENTS ENGINE Item Specification HYUNDAI HE6.7 Model 4-cycle turbocharged diesel engine Type Water cooling Cooling method 6 cylinders, in-line Number of cylinders and arrangement 1-5-3-6-2-4 Firing order Direct injection type Combustion chamber type 107 124 mm (4.21"...
  • Page 37 3) 3) GEAR PUMP GEAR PUMP Item Specification Type Fixed displacement gear pump single stage Capacity 15 cc/rev Maximum pressure 40 kgf/cm (570 psi) 27 ℓ/min (7.1 U.S. gpm / 5.9 U.K. gpm) Rated oil flow 4) 4) MAIN CONTROL VALVE MAIN CONTROL VALVE Item Specification...
  • Page 38 7) 7) REMOTE CONTROL VALVE REMOTE CONTROL VALVE Item Specification Type Pressure reducing type 6.5 kgf/cm (92 psi) Minimum Operating pressure 26 kgf/cm (370 psi) Maximum 61 mm (2.4 in) Lever Single operation stroke 123 mm (4.84 in) Pedal 8) 8) CYLINDER CYLINDER Item...

  • Page 39: Recommended Oils

    9. RECOMMENDED OILS Use only oils listed below. Do not mix different brand oil. Please use HYUNDAI genuine oil and grease. Ambient temperature C( F) Capacity Service point Kind of fluid (U.S. gal) (-58) (-22) (-4) (14) (32) (50) (68)

  • Page 40: Section 2 Structure And Function

    SECTION 2 STRUCTURE AND FUNCTION SECTION 2 STRUCTURE AND FUNCTION Group 1 Pump Device ---------------------------------------------------------------------------------------------------- 2-1 Group 2 Main Control Valve ------------------------------------------------------------------------------------------- 2-20 Group 3 Swing Device ---------------------------------------------------------------------------------------------------- 2-54 Group 4 Travel Device ----------------------------------------------------------------------------------------------------- 2-65 Group 5 RCV Lever --------------------------------------------------------------------------------------------------------- 2-88 Group 6 RCV Pedal --------------------------------------------------------------------------------------------------------- 2-95...

  • Page 41: Group 1 Pump Device

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