Hyundai Robex 320LC-9 Service Manual Download Page 1 | Manualshive

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Robex 320LC-9

CRAWLER EXCAVATOR

SERVICE MANUAL

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Summary of Contents for Robex 320LC-9

Page 1: ...Robex 320LC 9 CRAWLER EXCAVATOR SERVICE MANUAL ...

Page 2: ...ECTION 2 STRUCTURE AND FUNCTION 47 Group 1 Pump Device 48 1 Structure 48 2 Function 54 Group 2 Main Control Valve 67 1 Structure 67 2 Hydraulic Circuit serial No 0421 71 2 Hydraulic Circuit serial No 0422 72 3 Function 73 Group 3 Swing Device 95 1 Structure 95 2 Function 98 Group 4 Travel Device 106 1 Construction 106 2 Specification 107 3 Principle Of Driving 108 Group 5 Rcv Lever 115 1 Structure...

Page 3: ... Forward And Reverse Operation 149 Group 5 Combined Operation 151 1 Outline 151 2 Combined Swing And Boom Up Operation 152 3 Combined Swing And Arm Operation 153 4 Combined Swing And Bucket Operation 154 5 Combined Swing And Travel Operation 155 6 Combined Boom And Travel Operation 156 7 Combined Arm And Travel Operation 157 8 Combined Bucket And Travel Operation 158 9 Combined Boom Up And Bucket ...

Page 4: ...222 Group 9 Attachment Flow Control System 223 Group 10 Anti restart System 224 1 Anti restart Function 224 Group 11 Self diagnostic System 225 3 Machine Error Codes Table 226 4 Engine Fault Code 229 Group 12 Engine Control System 238 1 Mcu And Engine Ecm electronic Control Module 2 Mcu Assembly 238 Group 13 Eppr Valve 239 1 Pump Eppr Valve 239 2 Boom Priority Eppr Valve 242 Group 14 Monitoring Sy...

Page 5: ... Start Lights Up Condition 303 13 When Starting Switch On Does Not Operate 304 Group 4 Mechatronics Systegroup System 305 1 All Actuators Speed Are Slow 305 2 Engine Stall 307 3 Malfunction Of Cluster Or Mode Selection System 309 4 Malfunction Of Accel Dial 310 5 Auto Decel System Does Not Work 312 6 Malfunction Of Pump 1 Pressure Sensor 314 7 Malfunction Of Pump 2 Pressure Sensor 316 8 Malfunctio...

Page 6: ...al And Install 377 2 Main Pump 1 2 379 3 Regulator 389 Group 4 Main Control Valve 400 1 Removal And Install Of Motor 400 2 Structure 1 4 401 3 Disassembly And Assembly 405 Group 5 Swing Device 424 1 Removal And Install Of Motor 424 2 Swing Motor 425 3 Removal And Install Of Reduction Gear 437 4 Reduction Gear 438 Group 6 Travel Device 448 1 Removal And Install 448 2 Travel Motor 1 449 2 Disassembl...

Page 7: ... 518 3 Track Roller 519 4 Idler And Recoil Spring 520 Group 11 Work Equipment 529 1 Structure 529 2 Removal And Install 530 SECTION 9 COMPONENT MOUNTING TORQUE 533 Group 1 Introduction Guide 534 Group 2 Engine System 535 Group 3 Electric System 537 Group 4 Hydraulic System 539 Group 5 Undercarriage 542 Group 6 Structure 544 Group 7 Work Equipment 548 Find manuals at https best manuals com ...

Page 8: ...TEM SECTION 4 ELECTRICAL SYSTEM This section explains the electrical circuit monitoring system and each component It serves not only to give an understanding electrical system but also serves as reference material for trouble shooting SECTION 5 MECHATRONICS SYSTEM SECTION 5 MECHATRONICS SYSTEM This section explains the computer aided power optimization system and each component SECTION 6 TROUBLESH...

Page 9: ...st up to date information before you start any work Filing method Filing method See the page number on the bottom of the page File the pages in correct order Following examples shows how to read the page number Example 1 2 3 Item number 2 Structure and Function Consecutive page number for each item Additional pages Additional pages are indicated by a hyphen and number after the page number File as...

Page 10: ...10 Move the decimal point one place to the left to convert it to 55mm Carry out the same procedure as above to convert 55mm to 2 165 inches The original value 550mm was divided by 10 so multiply 2 165 inches by 10 Move the decimal point one place to the right to return to the original value This gives 550mm 21 65 inches 1 1 2 1 2 3 1 2 3 Millimeters to inches Millimeters to inches 1mm 0 03937 in ⓑ...

Page 11: ...6 3 425 3 465 3 504 90 3 543 3 583 3 622 3 661 3 701 3 740 3 780 3 819 3 858 3 898 Kilogram to Pound Kilogram to Pound 1kg 2 2046lb 0 1 2 3 4 5 6 7 8 9 0 2 20 4 41 6 61 8 82 11 02 13 23 15 43 17 64 19 84 10 22 05 24 25 26 46 28 66 30 86 33 07 35 27 37 48 39 68 41 89 20 44 09 46 30 48 50 50 71 51 91 55 12 57 32 59 5 61 73 63 93 30 66 14 68 34 70 55 72 75 74 96 77 16 79 37 81 57 83 78 85 98 40 88 18...

Page 12: ...2 455 22 719 22 983 23 247 23 511 90 23 775 24 040 24 304 24 568 24 832 25 096 25 631 25 625 25 889 26 153 Liter to U K Gallon Liter to U K Gallon 1ℓ 0 21997 U K Gal 0 1 2 3 4 5 6 7 8 9 0 0 220 0 440 0 660 0 880 1 100 1 320 1 540 1 760 1 980 10 2 200 2 420 2 640 2 860 3 080 3 300 3 520 3 740 3 950 4 179 20 4 399 4 619 4 839 5 059 5 279 5 499 5 719 5 939 6 159 6 379 30 6 599 6 819 7 039 7 259 7 479...

Page 13: ... 8 622 0 629 3 636 5 643 7 90 651 0 658 2 665 4 672 7 679 9 687 1 694 4 701 6 708 8 716 1 100 723 3 730 5 737 8 745 0 752 2 759 5 766 7 773 9 781 2 788 4 110 795 6 802 9 810 1 817 3 824 6 831 8 839 0 846 3 853 5 860 7 120 868 0 875 2 882 4 889 7 896 9 904 1 911 4 918 6 925 8 933 1 130 940 3 947 5 954 8 962 0 969 2 976 5 983 7 990 9 998 2 10005 4 140 1012 6 1019 9 1027 1 1034 3 1041 5 1048 8 1056 0...

Page 14: ...1266 90 1280 1294 1309 1323 1337 1351 1365 1380 1394 1408 100 1422 1437 1451 1465 1479 1493 1508 1522 1536 1550 110 1565 1579 1593 1607 1621 1636 1650 1664 1678 1693 120 1707 1721 1735 1749 1764 1778 1792 1806 1821 1835 130 1849 2863 1877 1892 1906 1920 1934 1949 1963 1977 140 1991 2005 2020 2034 2048 2062 2077 2091 2105 2119 150 2134 2148 2162 2176 2190 2205 2219 2233 2247 2262 160 2276 2290 2304...

Page 15: ...31 0 32 2 90 194 0 26 1 15 5 0 6 7 20 68 0 12 8 55 131 0 32 2 90 194 0 25 6 14 6 8 6 1 21 69 8 13 3 56 132 8 32 8 91 195 8 25 0 13 8 6 5 6 22 71 6 13 9 57 134 6 33 3 92 197 6 24 4 12 10 4 5 0 23 73 4 14 4 58 136 4 33 9 93 199 4 23 9 11 12 2 4 4 24 75 2 15 0 59 138 2 34 4 94 201 2 23 3 10 14 0 3 9 25 77 0 15 6 60 140 0 35 0 95 203 0 22 8 9 15 8 3 3 26 78 8 16 1 61 141 8 35 6 96 204 8 22 2 8 17 6 2 ...

Page 16: ...SECTION 1 GENERAL SECTION 1 GENERAL Group 1 Safety Hints 1 1 Group 2 Specifications 1 10 ...

Page 17: ...he excavator attach a Do Not Operate Do Not Operate tag on the right side control lever USE HANDHOLDS AND STEPS USE HANDHOLDS AND STEPS Falling is one of the major causes of personal injury When you get on and off the machine always maintain a three point contact with the steps and handrails and face the machine Do not use any controls as handholds Never jump on or off the machine Never mount or d...

Page 18: ...s Wear goggles or safety glasses PROTECT AGAINST NOISE PROTECT AGAINST NOISE Prolonged exposure to loud noise can cause impairment or loss of hearing Wear a suitable hearing protective device such as earmuffs or earplugs to protect against objectionable or uncomfortable loud noises AVOID POWER LINES AVOID POWER LINES Serious injury or death can result from contact with electric lines Never move an...

Page 19: ...avator starts to move Use a signal person when moving swinging or operating the machine in congested areas Coordinate hand signals before starting the excavator OPERATE ONLY FORM OPERATOR S SEAT OPERATE ONLY FORM OPERATOR S SEAT Avoid possible injury machine damage Do not start engine by shorting across starter terminals NEVER start engine while standing on ground Start engine only from operator s...

Page 20: ...SYSTEM SAFELY Explosive release of fluids from pressurized cooling system can cause serious burns Shut off engine Only remove filler cap when cool enough to touch with bare hands HANDLE FLUIDS SAFELY AVOID FIRES HANDLE FLUIDS SAFELY AVOID FIRES Handle fuel with care It is highly flammable Do not refuel the machine while smoking or when near open flame or sparks Always stop engine before refueling ...

Page 21: ...side or in a well ventilated area Dispose of paint and solvent properly Remove paint before welding or heating If you sand or grind paint avoid breathing the dust Wear an approved respirator If you use solvent or paint stripper remove stripper with soap and water before welding Remove solvent or paint stripper containers and other flammable material from area Allow fumes to disperse at least 15 mi...

Page 22: ... serious injury To prevent accidents use care when working around rotating parts AVOID HIGH PRESSURE FLUIDS AVOID HIGH PRESSURE FLUIDS Escaping fluid under pressure can penetrate the skin causing serious injury Avoid the hazard by relieving pressure before disconnecting hydraulic or other lines Tighten all connections before applying pressure Search for leaks with a piece of cardboard Protect hand...

Page 23: ...le materials Pressurized lines can be accidentally cut when heat goes beyond the immediate flame area Install fire resisting guards to protect hoses or other materials PREVENT BATTERY EXPLOSIONS PREVENT BATTERY EXPLOSIONS Keep sparks lighted matches and flame away from the top of battery Battery gas can explode Never check battery charge by placing a metal object across the posts Use a volt meter ...

Page 24: ...r lime to help neutralize the acid 3 Flush your eyes with water for 10 15 minutes Get medical attention immediate ly If acid is swallowed 1 Drink large amounts of water or milk 2 Then drink milk of magnesia beaten eggs or vegetable oil 3 Get medical attention immediately 13031GE22 USE TOOLS PROPERLY USE TOOLS PROPERLY Use tools appropriate to the work Makeshift tools parts and procedures can creat...

Page 25: ...em DO NOT pour oil into the ground down a drain or into a stream pond or lake Observe relevant environmental protection regulations when disposing of oil fuel coolant brake fluid filters batteries and other harmful waste REPLACE SAFETY SIGNS REPLACE SAFETY SIGNS Replace missing or damaged safety signs See the machine operator s manual for correct safety sign placement LIVE WITH SAFETY LIVE WITH SA...

Page 26: ...n pump Fuel tank Battery box Engine Radiator Turning joint Oil cooler Main control valve Swing motor Bucket Tooth Cab Boom cylinder Boom Arm cylinder Arm Muffler Counterweight Bucket cylinder Side cutter Connecting link Idler Track roller Carrier roller Track Sprocket Travel motor Connecting rod 32092SP01A ...

Page 27: ...380 11 1 Superstructure width D 2980 9 9 Overall height of cab E 3090 10 2 Ground clearance of counterweight F 1200 3 11 Engine cover height G 2580 8 6 Minimum ground clearance H 500 1 8 Rear end distance I 3265 10 9 Rear end swing radius I 3330 10 11 Distance between tumblers J 4030 13 3 Undercarriage length K 4940 16 2 Undercarriage width L 3280 10 9 Track gauge M 2680 8 10 Track shoe width stan...

Page 28: ...ructure width D 2980 9 9 Overall height of cab E 3090 10 2 Ground clearance of counterweight F 1200 3 11 Engine cover height G 2580 8 6 Minimum ground clearance H 500 1 8 Rear end distance I 3265 10 9 Rear end swing radius I 3330 10 11 Distance between tumblers J 4030 13 3 Undercarriage length K 4940 16 2 Undercarriage width L 2990 9 10 Track gauge M 2390 7 10 Track shoe width standard N 600 24 Tr...

Page 29: ...11 0 Superstructure width D 2980 9 9 Overall height of cab E 3390 11 1 Ground clearance of counterweight F 1500 4 11 Engine cover height G 2880 9 5 Minimum ground clearance H 765 2 6 Rear end distance I 3265 10 9 Rear end swing radius I 3330 10 11 Distance between tumblers J 4030 13 3 Undercarriage length K 4940 16 2 Undercarriage width L 3470 11 5 Track gauge M 2870 9 5 Track shoe width standard ...

Page 30: ... mm 22 3 Min swing radius F 4700 mm 15 5 4500 mm 14 9 4470 mm 14 8 4470 mm 14 8 4520 mm 14 10 Bucket digging force SAE 189 3 205 5 kN 189 3 205 5 kN 189 3 205 5 kN 189 3 205 5 kN 189 3 205 5 kN 19300 20950 kgf 19300 20950 kgf 19300 20950 kgf 19300 20950 kgf 19300 20950 kgf 42550 46200 lbf 42550 46200 lbf 42550 46200 lbf 42550 46200 lbf 42550 46200 lbf ISO 211 8 230 0 kN 211 8 230 0 kN 211 8 230 0 ...

Page 31: ...wing radius F 4700 mm 15 5 4500 mm 14 9 4470 mm 14 8 4470 mm 14 8 4520 mm 14 10 Bucket digging force SAE 189 3 205 5 kN 189 3 205 5 kN 189 3 205 5 kN 189 3 205 5 kN 189 3 205 5 kN 19300 20950 kgf 19300 20950 kgf 19300 20950 kgf 19300 20950 kgf 19300 20950 kgf 42550 46200 lbf 42550 46200 lbf 42550 46200 lbf 42550 46200 lbf 42550 46200 lbf ISO 211 8 230 0 kN 211 8 230 0 kN 211 8 230 0 kN 211 8 230 0...

Page 32: ...assis assembly 11500 25770 11360 25040 Track frame weld assembly 3970 8750 3835 8450 Swing bearing 410 900 Travel motor assembly 360 800 Turning joint 50 110 Tension cylinder 210 450 Idler 250 540 Sprocket 80 170 Carrier roller 40 80 Track roller 60 120 Track chain assembly 600 mm standard triple grouser shoe 1860 4100 Front attachment assembly 6 45 m boom 3 2 m arm 1 44 m3 SAE heaped bucket 6390 ...

Page 33: ...embly 14000 30860 Track frame weld assembly 6180 13620 Swing bearing 410 900 Travel motor assembly 360 800 Turning joint 50 110 Tension cylinder 210 450 Idler 250 540 Sprocket 80 170 Carrier roller 40 80 Track roller 60 120 Track chain assembly 600 mm standard triple grouser shoe 1860 4100 Front attachment assembly 6 45 m boom 3 2 m arm 1 44 m3 SAE heaped bucket 6390 14090 6 45 m boom assembly 254...

Page 34: ...t lb 16490 12520 25 2 6 0 m kg 8380 8380 8070 5770 7000 4510 8 61 20 0 ft lb 18470 18470 17790 12720 15430 9940 28 2 4 5 m kg 12080 12080 9630 8260 8490 5630 6170 3920 9 16 15 0 ft lb 26630 26630 21230 18210 18720 12410 13600 8640 30 1 3 0 m kg 15590 12100 11230 7760 8490 5400 5810 3650 9 39 10 0 ft lb 34370 26680 24760 17110 18720 11900 12810 8050 30 8 1 5 m kg 18040 11310 11860 7330 8250 5180 57...

Page 35: ...0 16910 17880 11660 13490 8400 10270 6240 34 5 1 5 m kg 16400 11070 11460 7120 8060 4990 5940 3640 4610 2780 10 48 5 0 ft lb 36160 24410 25260 15700 17770 11000 13100 8020 10160 6130 34 4 Ground kg 10240 10240 17910 10550 11220 6750 7800 4760 5810 3520 4790 2880 10 19 Line lb 22580 22580 39480 23260 24740 14880 17200 10490 12810 7760 10560 6350 33 4 1 5 m kg 11380 11380 14470 14470 18150 10400 110...

Page 36: ...70 4900 2470 10 31 15 0 ft lb 17840 15410 15850 10360 11990 7210 10800 5450 33 8 3 0 m kg 13400 10030 9820 6400 8110 4400 6070 3120 4630 2270 10 52 10 0 ft lb 29540 22110 21650 14110 17880 9700 13380 6880 10210 5000 34 5 1 5 m kg 16400 9010 11460 5870 8000 4100 5900 2960 4580 2220 10 48 5 0 ft lb 36160 19860 25260 12940 17640 9040 13010 6530 10100 4890 34 4 Ground kg 10240 10240 17910 8520 11150 5...

Page 37: ... 0 ft lb 18520 18520 16200 14460 12830 10410 12100 8020 34 0 3 0 m kg 14050 14050 10150 8950 8290 6240 6830 4560 5250 3450 10 53 10 0 ft lb 30970 30970 22380 19730 18280 13760 15060 10050 11570 7610 34 5 1 5 m kg 16800 13130 11720 8410 8950 5940 6660 4400 5240 3430 10 45 5 0 ft lb 37040 28950 25840 18540 19730 13100 14680 9700 11550 7560 34 3 Ground kg 10990 10990 18040 12680 12470 8070 8710 5720 ...

Page 38: ...t 1 74 m3 SAE heaped bucket 2 10 m3 SAE heaped bucket Capacity Width Weight Recommendation 6 45 m 21 2 boom 6 15m 20 2 boom SAE heaped CECE heaped Without side cutter With side cutter 2 2 m arm 7 3 2 5 m arm 8 2 3 2 m arm 10 6 4 05 m arm 13 3 2 2 m arm 7 3 0 9m3 1 18yd3 0 8m3 1 05yd3 950mm 37 4 1070mm 42 1 870 kg 1920 lb 1 14m3 1 49yd3 1 0m3 1 31yd3 1110mm 43 7 1230mm 48 4 980 kg 2160 lb 1 44m3 1 ...

Page 39: ...less 1 44 m3 SAE heaped bucket 1 44 m3 SAE 1 73 m3 SAE heaped bucket Capacity Width Weight Recommendation 6 45 m 21 2 boom 6 15m 20 2 boom SAE heaped CECE heaped Without side cutter With side cutter 2 2 m arm 7 3 2 5 m arm 8 2 3 2 m arm 10 6 4 05 m arm 13 3 2 2 m arm 7 3 1 44m3 1 88yd3 1 25m3 1 63yd3 1470mm 57 9 1380 kg 3040 lb 1 44m3 1 88yd3 1 25m3 1 63yd3 1470mm 57 9 1470 kg 3240 lb 1 73m3 2 26y...

Page 40: ...28 800 32 900 36 Operating weight kg lb 32200 71000 32800 72300 33200 73200 33600 74100 Ground pressure kgf cm2 psi 0 63 8 96 0 54 7 68 0 48 6 83 0 43 6 11 Overall width mm ft in 3280 10 9 3380 11 1 3480 11 5 3580 11 9 R320NLC 9 Shoe width mm in 600 24 Operating weight kg lb 32000 70500 Ground pressure kgf cm2 psi 0 61 8 67 Overall width mm ft in 2990 9 10 R320LC 9 HIGHWALKER Shoe width mm in 600 ...

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