Hyundai Robex 300LC-9SH Service Manual
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Hyundai Robex 300LC-9SH Service Manual

Hyundai Robex 300LC-9SH Service Manual

Crawler excavator
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Robex 300LC-9SH
CRAWLER EXCAVATOR
SERVICE MANUAL

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Summary of Contents for Hyundai Robex 300LC-9SH

  • Page 1 Robex 300LC-9SH CRAWLER EXCAVATOR SERVICE MANUAL...

  • Page 2: Table Of Contents

    TABLE OF CONTENT Robex 300LC-9SH 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 1)r300lc-9sh 5. Lifting Capacities...
  • 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 3. Charging Circuit (cluster Type 1) 4. Head And Work Light Circuit (cluster Type 1) 5. Beacon Lamp And Cab Light Circuit (cluster Type 1) 6. Wiper And Washer Circuit (cluster Type 1) Group 3 Electrical Component Specification Group 4 Connectors 1.
  • Page 5 4. Engine Speed Sensor Group 13 Eppr Valve (cluster Type 1) 1. Pump Eppr Valve Eppr Valve (cluster Type 2) 1. Pump Eppr Valve 2. Boom Priority Eppr Valve (cluster Type 1,2) Group 14 Monitoring System (cluster Type 1) 1. Outline 2.

  • Page 6: Section 7 Maintenance Standard

    1. When Starting Switch Is Turned On, Monitor Panel Display Does Not Appear 2. Communication Error Flashes On The Cluster 3. Battery Charging Warning Lamp Lights Up(starting Switch : On) 4. When Coolant Overheat Warning Lamp Lights Up(engine Is Started) 5.

  • Page 7: Section 8 Disassembly And Assembly

    2. Main Control Valve 3. Swing Device 4. Travel Motor 5. Travel Reduction Gear 6. Rcv Lever 7. Rcv Pedal 8. Turning Joint 9. Cylinder Group 3 Track And Work Equipment 1. Track 2. Work Equipment SECTION 8 DISASSEMBLY AND ASSEMBLY Group 1 Precautions 1.

  • Page 8: Robex 300Lc-9Sh

    Group 9 Boom, Arm And Bucket Cylinder 1. Removal And Install 2. Disassembly And Assembly Group 10 Undercarriage 1. Track Link 2. Carrier Roller 3. Track Roller 4. Idler And Recoil Spring Group 11 Work Equipment 1. Structure 2. Removal And Install SECTION 9 COMPONENT MOUNTING TORQUE Group 1 Introduction Guide Group 2 Engine System...

  • Page 9: 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 10: 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 11: 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 Method of using the Conversion Table to convert from millimeters to inches...
  • Page 12 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 13 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 14 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 15 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 16 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 17: Section 1 General

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

  • Page 18: 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 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 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 20: Move And Operate Machine Safely

    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 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 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 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 25: Prevent Acid Burns

    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 26: Replace Safety Signs

    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 27: Group 2 Specifications

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

  • Page 28: Specifications

    2. SPECIFICATIONS 2. SPECIFICATIONS 1) 1) R300LC-9SH R300LC-9SH ·6.25 m (20' 6") BOOM and 3.05 m (10' 0") ARM I(I') B(L) 3009SH2SP02 Description Unit Specification Operating weight kg (lb) 29900 (65920) Bucket capacity (SAE heaped), standard 1.27 (1.66) Overall length 10705 (35' 1") Overall width, with 600mm shoe 3200 (10' 6")
  • Page 29 2) 2) R300NLC-9SH R300NLC-9SH ·6.25 m (20' 6") BOOM and 3.05 m (10' 0") ARM I(I') B(L) 3009SH2SP03 Description Unit Specification Operating weight kg (lb) 29700 (64480) Bucket capacity (SAE heaped), standard 1.27 (1.66) Overall length 10705 (35' 1") Overall width, with 600mm shoe 2990 ( 9' 10") Overall height 3290 (10' 10")
  • Page 30 3) 3) R300LC-9SH LONG REACH R300LC-9SH LONG REACH ·10.2 m (33' 6") BOOM and 7.85 m (25' 9") ARM I(I') B(L) 3009SH2SP04 Description Unit Specification Operating weight kg (lb) 33780 (74470) Bucket capacity (SAE heaped), standard 0.52 (0.68) Overall length 14695 (48' 3") Overall width, with 800 mm shoe 3400 (11' 2")
  • Page 31 4) 4) R300LC-9SH HIGH WALKER R300LC-9SH HIGH WALKER ·6.25 m (20' 6") BOOM and 3.05 m (10' 0") ARM I(I') B(L) 3009SH2SP05 Description Unit Specification Operating weight kg (lb) 32740 (72180) Bucket capacity (SAE heaped), standard 1.27 (1.66) Overall length 10575 ( 34' 8") Overall width, with 600 mm shoe 3470 ( 11' 5")

  • Page 32: Working Range

    3. WORKING RANGE 3. WORKING RANGE 1) 1) R300LC-9SH, R300NLC-9SH R300LC-9SH, R300NLC-9SH ·6.25 m (20' 6") BOOM 3009SH2SP06 Description 2.10m (6' 11") Arm 2.50 m (8' 2") Arm 3.05 m (10' 0") Arm 3.75 m (12' 4") Arm Max digging reach A 10020 mm (32' 10") 10280 mm (33' 7") 10820 mm (35' 6") 11400 mm (37' 5") Max digging reach on ground 9820 mm (32' 3") 10080 mm (33' 1") 10620 mm (34' 10") 11220 mm (36' 10")
  • Page 33 2) 2) R300LC-9SH LONG REACH R300LC-9SH LONG REACH ·10.2 m (33' 6") BOOM 29092SP06 Description 7.85 m (25' 9") Arm Max digging reach 18510 (60' 9") Max digging reach on ground 18400 (60' 4") Max digging depth 14820 (48' 7") Max digging depth (8 ft level) 14690 (48' 2") Max vertical wall digging depth...
  • Page 34 3) 3) R300LC-9SH HIGH WALKER R300LC-9SH HIGH WALKER ·6.25 m (20' 6") BOOM 3009SH2SP07 Description 2.10m (6' 11") Arm 2.50 m (8' 2") Arm 3.05 m (10' 0") Arm 3.75 m (12' 4") Arm Max digging reach (32' 10") 10280 mm (33 ' 7") 10790 mm (35' 5")

  • Page 35: Weight

    4. WEIGHT 4. WEIGHT 1) 1) R300LC-9SH, R300NLC-9SH R300LC-9SH, R300NLC-9SH R300LC-9SH R300NLC-9SH Item ← ← Upperstructure assembly 12610 27800 ← ← Main frame weld assembly 2740 6040 ← ← Engine assembly 2170 ← ← Main pump assembly ← ← Main control valve assembly ←...
  • Page 36 R300LC-9SH LONG REACH R300LC-9SH LONG REACH R300LC-9SH LONG REACH Item Upperstructure assembly 14410 31810 Main frame weld assembly 2740 6040 Engine assembly 2170 Main pump assembly Main control valve assembly Swing motor assembly Hydraulic oil tank assembly Fuel tank assembly Counterweight 7000 15450...
  • Page 37 R300LC-9SH HIGH WALKER R300LC-9SH HIGH WALKER R300LC-9SH HIGH WAKER Item Upperstructure assembly 12610 27800 Main frame weld assembly 2740 6040 Engine assembly 2170 Main pump assembly Main control valve assembly Swing motor assembly Hydraulic oil tank assembly Fuel tank assembly Counterweight 4600 10140...

  • Page 38: R300Lc-9Sh 5. Lifting Capacities

    5. LIFTING CAPACITIES 5. LIFTING CAPACITIES 1) 1) R300LC-9 R300LC-9SH 6.25 m (20' 6") boom, 2.10 m (6' 11") arm equipped with 1.27 m (SAE heaped) bucket and 600 mm (24") triple grouser shoe and 4600 kg (10140 lb) counterweight. ·...
  • Page 39 6.25 m (20' 6") boom, 2.50 m (8' 2") arm equipped with 1.27 m (SAE heaped) bucket and 600 mm (24") triple grouser shoe and 4600 kg (10140 lb) counterweight. Load radius At max. reach Load point 1.5 m (5 ft) 3.0 m (10 ft) 4.5 m (15 ft) 6.0 m (20 ft)
  • Page 40 6.25 m (20' 6") boom, 3.75 m (12' 4") arm equipped with 1.27 m (SAE heaped) bucket and 600 mm (24") triple grouser shoe and 4600 kg (10140 lb) counterweight. Load radius At max. reach Load point 1.5 m (5 ft) 3.0 m (10 ft) 4.5 m (15 ft) 6.0 m (20 ft) 7.5 m (25 ft) 9.0 m (30 ft) Capacity...

  • Page 41: R300Nlc-9Sh

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