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Robex 330LC-9A

CRAWLER EXCAVATOR

SERVICE MANUAL

Summary of Contents for Robex 330LC-9A

Page 1: ...Robex 330LC 9A CRAWLER EXCAVATOR SERVICE MANUAL...

Page 2: ...ecommended Oils 45 SECTION 2 STRUCTURE AND FUNCTION 46 Group 1 Pump Device 47 1 Structure 47 2 Function 53 Group 2 Main Control Valve 66 1 Structure 66 2 Hydraulic Circuit serial No 0230 70 2 Hydrauli...

Page 3: ...0 2 Boom Down Operation 151 3 Arm In Operation 152 4 Arm Out Operation 153 5 Bucket In Operation 154 6 Bucket Out Operation 155 7 Swing Operation 156 8 Travel Forward And Reverse Operation 158 Group 5...

Page 4: ...dle Pilot Lamp Off 227 Group 4 Power Boost System 228 Group 5 Travel Speed Control System 229 Group 6 Automatic Warming Up System 230 Group 7 Engine Overheat Prevention System 231 Group 8 Variable Pow...

Page 5: ...Up engine Is Started 324 8 When Coolant Temperature Gauge Does Not Operate hcespn 304 Fmi 3 Or 4 325 9 When Fuel Gauge Does Not Operate hcespn 301 Fmi 3 Or 4 326 10 When Safety Solenoid Does Not Opera...

Page 6: ...Control Valve 385 3 Swing Device type 1 386 4 Travel Motor 388 5 Rcv Lever 389 6 Rcv Pedal 390 7 Turning Joint 391 8 Cylinder 392 Group 3 Track And Work Equipment 393 1 Track 393 2 Work Equipment 398...

Page 7: ...embly 539 Group 8 Turning Joint 552 1 Removal And Install 552 2 Disassembly And Assembly 553 Group 9 Boom Arm And Bucket Cylinder 557 1 Removal And Install 557 2 Disassembly And Assembly 563 Group 10...

Page 8: ...gle and combined operation 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 b...

Page 9: ...any work 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 Func...

Page 10: ...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 pl...

Page 11: ...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 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...

Page 12: ...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 1 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 32...

Page 13: ...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 85...

Page 14: ...80 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...

Page 15: ...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...

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

Page 17: ...excavator attach a Do Not Operate tag on the right side control lever USE HANDHOLDS AND STEPS Falling is one of the major causes of personal injury When you get on and off the machine always maintain...

Page 18: ...oggles or safety glasses 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 protec...

Page 19: ...tor 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 Avoid po...

Page 20: ...Y 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...

Page 21: ...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...

Page 22: ...ury To prevent accidents use care when working around rotating parts AVOID HIGH PRESSURE FLUIDS Escaping fluid under pressure can penetrate the skin causing serious injury Avoid the hazard by relievin...

Page 23: ...als 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 Keep sparks li...

Page 24: ...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 25: ...m them 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...

Page 26: ...ain control valve Swing motor Bucket Tooth Cab Boom cylinder Boom Arm cylinder Arm Counterweight Bucket cylinder Side cutter Connecting link Connecting rod Idler Track roller Carrier roller Track Spro...

Page 27: ...height of cab E 3090 10 2 Ground clearance of counterweight F 1200 3 11 Engine cover height G 2755 9 0 Minimum ground clearance H 500 1 8 Rear end distance I 3504 11 6 Rear end swing radius I 3560 11...

Page 28: ...Overall height of cab E 3090 10 2 Ground clearance of counterweight F 1200 3 11 Engine cover height G 2755 9 0 Minimum ground clearance H 500 1 8 Rear end distance I 3504 11 6 Rear end swing radius I...

Page 29: ...0 9 9 Overall height of cab E 3390 11 1 Ground clearance of counterweight F 1500 4 11 Engine cover height G 3055 10 0 Minimum ground clearance H 765 2 6 Rear end distance I 3504 11 6 Rear end swing ra...

Page 30: ...0 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...

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 1930...

Page 32: ...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 Ca...

Page 33: ...y 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...

Page 34: ...1 15 0 ft lb 17840 17840 15850 13230 11990 9440 11620 7300 33 8 3 0 m kg 13400 12930 9820 8190 8110 5690 6520 4120 4990 3090 10 52 10 0 ft lb 29540 28510 21650 18060 17880 12540 14370 9080 11000 6810...

Page 35: ...0 5240 2710 10 31 15 0 ft lb 17840 16450 15850 11160 11990 7850 11550 5970 33 8 3 0 m kg 13400 10720 9820 6870 8110 4750 6480 3410 4690 2510 10 52 10 0 ft lb 29540 23630 21650 15150 17880 10470 14290...

Page 36: ...0 7350 6920 5820 5000 5770 3880 10 37 15 0 ft lb 18520 18520 16200 15260 12830 11020 12720 8550 34 0 3 0 m kg 14050 14050 10150 9420 8290 6590 7170 4840 5530 3680 10 53 10 0 ft lb 30970 30970 22380 20...

Page 37: ...ght 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...

Page 38: ...ter 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...

Page 39: ...9 10 R330LC 9A HIGHWALKER Shoe width mm in 600 24 700 28 800 32 Double Grouser 710 28 Operating weight kg lb 35500 78260 36100 79590 36500 80470 37000 81570 Ground pressure kgf cm2 psi 0 68 9 67 0 59...

Page 40: ...on Category 600 mm triple grouser Standard A 700 mm triple grouser Option B 710 mm double grouser Option B 800 mm triple grouser Option C 900 mm triple grouser Option C Category Applications Applicati...

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