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Robex 380LC-9SH

CRAWLER EXCAVATOR

SERVICE MANUAL

Summary of Contents for Robex 380LC-9SH

Page 1: ...Robex 380LC 9SH CRAWLER EXCAVATOR SERVICE MANUAL...

Page 2: ...ION 2 STRUCTURE AND FUNCTION 45 Group 1 Pump Device 46 1 Structure 46 2 Function 51 2 Hydraulic Circuit 67 3 Operation 68 4 Combined Operation 81 5 Anti drift Valve 84 6 Relief Valve Operation 85 Grou...

Page 3: ...Out Operation 159 5 Bucket In Operation 160 6 Bucket Out Operation 161 7 Swing Operation 162 8 Travel Forward And Reverse Operation 164 Group 5 Combined Operation 166 1 Outline 166 2 Combined Swing An...

Page 4: ...p 3 Automatic Deceleration System cluster Type 1 254 1 When Auto Idle Pilot Lamp On 2 When Auto Idle Pilot Lamp Off 254 Automatic Deceleration System cluster Type 2 255 1 When Auto Idle Pilot Lamp On...

Page 5: ...NG 316 Group 1 Before Troubleshooting 317 1 Introduction 317 2 Diagnosing Procedure 318 Group 2 Hydraulic And Mechanical System 320 1 Introduction 320 2 Drive System 321 3 Hydraulic System 323 4 Swing...

Page 6: ...onics System cluster Type 1 372 1 All Actuators Speed Are Slow 372 2 Engine Stall 374 3 Malfunction Of Cluster Or Mode Selection System 376 5 Auto Decel System Does Not Work 379 6 Malfunction Of Pump...

Page 7: ...And Install 459 2 Main Pump 1 2 461 3 Regulator 472 Group 4 Main Control Valve 483 1 Removal And Install 483 2 Structure 1 3 484 3 Tightening Torque 1 2 A 487 4 Disassembly And Assembly 489 Group 5 S...

Page 8: ...ly And Assembly 623 Group 10 Undercarriage 634 1 Track Link 634 2 Carrier Roller 635 3 Track Roller 636 4 Idler And Recoil Spring 637 Group 11 Work Equipment 646 1 Structure 646 2 Removal And Install...

Page 9: ...EM 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 refere...

Page 10: ...t 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 pa...

Page 11: ...e so divide by 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...

Page 12: ...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...

Page 13: ...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 1 0 21997 U K Gal 0 1 2 3 4 5 6 7 8 9 0 0 220 0 440 0...

Page 14: ...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 8...

Page 15: ...266 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 1...

Page 16: ...1 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 1...

Page 17: ...SECTION 1 GENERAL SECTION 1 GENERAL Group 1 Safety Hints 1 1 Group 2 Specifications 1 10...

Page 18: ...e 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 ge...

Page 19: ...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 e...

Page 20: ...vator 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 OPERAT...

Page 21: ...YSTEM 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 A...

Page 22: ...ide 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...

Page 23: ...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 serio...

Page 24: ...e 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 PREVEN...

Page 25: ...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 mag...

Page 26: ...m 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...

Page 27: ...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 Conn...

Page 28: ...l height of cab E 3175 10 5 Ground clearance of counterweight F 1290 4 3 Engine cover height G 2790 9 2 Minimum ground clearance H 550 1 10 Rear end distance I 3350 11 1 Rear end swing radius I 3415 1...

Page 29: ...9 Min swing radius F 4530 mm 14 10 4450 mm 14 7 4440 mm 14 7 4460 mm 14 8 Bucket digging force SAE 201 0 219 3 kN 201 0 219 3 kN 201 0 219 3 kN 201 0 219 3 kN 20500 22360 kgf 20500 22360 kgf 20500 223...

Page 30: ...0 7 Max vertical wall digging depth C 5490 mm 18 0 Max digging height D 10320 mm 33 10 Max dumping height E 7120 mm 23 4 Min swing radius F 4220 mm 13 10 Bucket digging force SAE 201 0 219 3 kN 20500...

Page 31: ...6 6 Max vertical wall digging depth C 10060 mm 33 0 Max digging height D 13350 mm 43 10 Max dumping height E 10150 mm 33 4 Min swing radius F 5900 mm 19 4 Bucket digging force SAE 201 0 220 4 kN 20500...

Page 32: ...assembly 14310 31550 Track frame weld assembly 5415 11940 Swing bearing 560 1240 Travel motor assembly 380 840 Turning joint 65 140 Track recoil spring 210 460 Idler 260 570 Carrier roller 41 90 Track...

Page 33: ...4 4 5 m kg 8260 8260 7320 6610 4450 4450 6190 3600 10 32 15 0 ft lb 18210 18210 16140 14570 9810 9810 13650 7940 33 9 3 0 m kg 13520 13520 9960 9020 8240 6240 6360 4490 6010 3360 10 50 10 0 ft lb 298...

Page 34: ...lb 46340 46340 40060 27730 29540 17610 22310 12540 18390 10540 28 0 3 0 m kg 22960 22960 16580 12700 12330 8040 8180 6030 7 47 10 ft lb 50620 50620 36550 28000 27180 17730 18030 13290 24 5 1 5 m kg 17...

Page 35: ...0 27210 22820 17020 14370 14020 23 5 6 5 m 21 4 boom 3 9 m 12 10 arm equipped with 1 62 m3 SAE heaped bucket and 600 mm 24 triple grouser shoe and 6500 kg 14330 lb counterweight 6 5 m 21 4 boom 4 3 m...

Page 36: ...630 4980 7430 3400 46 9 1 5 m kg 7990 7990 11720 11360 10930 7170 8180 5050 6480 3730 5370 2820 4450 2150 3520 1630 13 90 5 0 ft lb 17610 17610 25840 25040 24100 15810 18030 11130 14290 8220 11840 622...

Page 37: ...0 8 2 arm 2500 8 2 arm 2900 9 6 arm 3200 10 6 arm 3900 12 10 arm 4300 14 1 arm 5100 16 9 arm 1 46 1 91 1 28 1 67 1370 54 1430 3150 4 1 62 2 12 1 42 1 86 1480 58 1530 3370 5 1 90 2 49 1 65 2 16 1665 66...

Page 38: ...00 12 10 arm 4300 14 1 arm 1 62 2 12 1 42 1 86 1480 58 1660 3660 5 1 90 2 49 1 65 2 16 1665 66 1790 3950 5 2 10 2 75 1 84 2 41 1800 71 1880 4140 5 1 62 2 12 1 42 1 86 1480 58 1850 4080 5 1 90 2 49 1 6...

Page 39: ...ER OF ROLLERS AND SHOES ON EACH SIDE NUMBER OF ROLLERS AND SHOES ON EACH SIDE 3 3 1 1 2 2 Model Shapes Triple grouser R380LC 9SH Shoe width mm in 600 24 700 28 750 30 800 32 900 36 Operating weight kg...

Page 40: ...roblems 4 4 Track shoe Specification Category 600 mm triple grouser Standard A 700 mm triple grouser Option B 750 mm triple grouser Option B 800 mm triple grouser Option C 900 mm triple grouser Option...

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