background image

Robex 300LC-9S

CRAWLER EXCAVATOR

SERVICE MANUAL

Summary of Contents for Robex 300LC-9S

Page 1: ...Robex 300LC 9S CRAWLER EXCAVATOR SERVICE MANUAL...

Page 2: ...Undercarriage 50 8 Specifications For Major Components 52 9 Recommended Oils 56 SECTION 2 STRUCTURE AND FUNCTION 57 Group 1 Pump Device 58 1 Structure 58 2 Function 64 2 Hydraulic Circuit 83 3 Functi...

Page 3: ...wn Operation 174 3 Arm In Operation 175 4 Arm Out Operation 176 5 Bucket In Operation 177 6 Bucket Out Operation 178 7 Swing Operation 179 8 Travel Forward And Reverse Operation 181 Group 5 Combined O...

Page 4: ...c Deceleration System cluster Type 1 273 1 When Auto Idle Pilot Lamp On 2 When Auto Idle Pilot Lamp Off 273 Group 3 Automatic Deceleration System cluster Type 1 Hcec Engine 274 1 When Auto Idle Pilot...

Page 5: ...n 334 2 Operation 334 3 Electric Circuit 334 SECTION 6 TROUBLESHOOTING 335 Group 1 Before Troubleshooting 336 1 Introduction 336 2 Diagnosing Procedure 337 Group 2 Hydraulic And Mechanical System 339...

Page 6: ...eed 1 2 Does Not Operate 385 Group 4 Mechatronics System cluster Type 1 386 1 All Actuators Speed Are Slow 386 2 Engine Stall 388 3 Malfunction Of Cluster Or Mode Selection System 390 5 Auto Decel Sys...

Page 7: ...468 3 Completing Work 469 Group 2 Tightening Torque 470 1 Major Components 470 2 Torque Chart 471 Group 3 Pump Device 473 1 Removal And Install 473 2 Main Pump 1 2 475 3 Regulator 485 Group 4 Main Con...

Page 8: ...0 Undercarriage 614 1 Track Link 614 2 Carrier Roller 615 3 Track Roller 616 4 Idler And Recoil Spring 617 Group 11 Work Equipment 626 1 Structure 626 2 Removal And Install 627 SECTION 9 COMPONENT MOU...

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: ...cture width D 2980 9 9 Overall height of cab E 3010 9 11 Ground clearance of counterweight F 1190 3 11 Engine cover height G 3190 10 6 Minimum ground clearance H 500 1 8 Rear end distance I 3265 10 9...

Page 29: ...0 9 9 Overall height of cab E 3010 9 11 Ground clearance of counterweight F 1190 3 11 Engine cover height G 3190 10 6 Minimum ground clearance H 500 1 8 Rear end distance I 3265 10 9 Rear end swing ra...

Page 30: ...width D 2980 9 9 Overall height of cab E 3010 9 11 Ground clearance of counterweight F 1190 3 11 Engine cover height G 3190 10 6 Minimum ground clearance H 500 1 8 Rear end distance I 3265 10 9 Rear e...

Page 31: ...width D 2980 9 9 Overall height of cab E 3380 11 1 Ground clearance of counterweight F 1500 4 11 Engine cover height G 3500 11 6 Minimum ground clearance H 765 2 6 Rear end distance I 3265 10 9 Rear...

Page 32: ...mm 22 9 7030 mm 23 1 7110 mm 23 4 7310 mm 24 0 Min swing radius F 4380 mm 14 4 4260 mm 14 0 4230 mm 13 11 4190 mm 13 9 Bucket digging force SAE 168 7 183 1 kN 168 7 183 1 kN 168 7 183 1 kN 168 7 183...

Page 33: ...d A 18400 60 4 Max digging depth B 14820 48 7 Max digging depth 8 ft level B 14690 48 2 Max vertical wall digging depth C 12020 39 5 Max digging height D 14500 47 7 Max dumping height E 12190 40 0 Min...

Page 34: ...m 33 7 32 10 21 5 20 9 18 3 33 6 23 6 14 0 3 05 m 10 0 Arm 10790 mm 10530 mm 7090 mm 6910 mm 6090 mm 10440 mm 7400 mm 4230 mm 35 5 34 7 23 3 22 8 20 0 34 3 24 3 13 11 168 7 184 17200 18760 37920 41370...

Page 35: ...d triple grouser shoe Front attachment assembly 6 25 m boom 3 05 m arm 1 27 m3 SAE heaped bucket 6 25 m boom assembly 3 05 m arm assembly 1 27 m3 SAE heaped bucket Boom cylinder assembly Arm cylinder...

Page 36: ...pump assembly Main control valve assembly Swing motor assembly Hydraulic oil tank assembly Fuel tank assembly Counterweight Cab assembly Lower chassis assembly Track frame weld assembly Swing bearing...

Page 37: ...ain pump assembly Main control valve assembly Swing motor assembly Hydraulic oil tank assembly Fuel tank assembly Counterweight Cab assembly Lower chassis assembly Track frame weld assembly Swing bear...

Page 38: ...60 6010 3600 8 57 5 ft lb 31420 31420 32650 20640 22600 13120 15870 9390 13250 7940 28 1 3 0 m kg 18890 18890 13670 9540 10170 6050 6670 4620 7 47 10 ft lb 41650 41650 30140 21030 22420 13340 14700 10...

Page 39: ...6 boom 3 05 m 10 0 arm equipped with 1 27 m3 SAE heaped bucket and 600 mm 24 triple grouser shoe and 4600 kg 10140 lb counterweight 3 Load point height Load radius At max reach 1 5 m 5 ft 3 0 m 10 ft...

Page 40: ...050 8600 4890 36 0 1 5 m kg 9850 9850 13520 13520 14680 9060 10040 5740 6970 4030 5200 2980 4400 2520 10 12 5 ft lb 21720 21720 29810 29810 32360 19970 22130 12650 15370 8880 11460 6570 9700 5560 33 2...

Page 41: ...This as a preview PDF file from best manuals com Download full PDF manual at best manuals com...

Reviews: