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1-18

Model

Type

Boom

Arm

Counterweight

Shoe

Wheel

Dozer

Outrigger

HX380A L

MONO 
BOOM

Length [mm] Length [mm] weight [kg]

width [mm]

width [mm] Front Rear Front Rear

6500

3900

6500

600

-

-

-

-

-

A

B

余

: Rating over-front

: Rating over-side or 360 degree

余

Note  1.
 

 2. 

 

 3. 

 

 4.

Lifting capacity are based on ISO 10567.
Lifting capacity of the HX series does not exceed 75% of tipping load with the machine on firm, 
level ground or 87% of full hydraulic capacity. 
The Lift-point is bucket pivot mounting pin on the arm (without bucket mass).  

*

Indicates load limited by hydraulic capacity.

侍

Lifting capacities are based upon a standard machine conditions.
Lifting capacities will vary with different work tools, ground conditions and attachments.
The difference between the weight of a work tool attachment must be subtracted.
Consult  your  Hyundai  dealer  regarding  the  lifting  capacities  for  specific  work  tools  and     
attachments.
Failure to comply to the rated load can cause possible personal injury or property damage.
Make adjustments to the rated load as necessory for non-standard configurations.

Lift-point 

height (A)

Lift-point radius (B)

At max. reach

1.5 m (4.9 ft)

3.0 m (9.8 ft)

4.5 m (14.8 ft) 6.0 m (19.7 ft) 7.5 m (24.6 ft) 9.0 m (29.5 ft)

Capacity

Reach

m (ft)

9.0 m

kg

*5580

*5580

7.43

(29.5 ft)

lb

*12300 *12300

(24.4)

7.5 m

kg

*6800

*6800

*5240

*5240

8.59

(24.6 ft)

lb

*14990 *14990

*11550 *11550

(28.2)

6.0 m kg

*7180

*7180

*6500

6030

*5130

*5130

9.36

(19.7 ft) lb

*15830 *15830 *14330

13290 *11310 *11310

(30.7)

4.5 m kg

*8930

*8930

*7990

7950

*7510

5900

*5200

5030

9.85

(14.8 ft) lb

*19690 *19690 *17610

17530 *16560

13010 *11460

11090

(32.3)

3.0 m kg

*14540 *14540 *10830

10620

*9040

7580

*8060

5700

*5420

4720

10.08

(9.8 ft) lb

*32060 *32060 *23880

23410 *19930

16710 *17770

12570 *11950

10410

(33.1)

1.5 m kg

*17770

15140 *12620

9970 *10080

7230

*8650

5500

*5810

4600

10.09

(4.9 ft) lb

*39180

33380 *27820

21980 *22220

15940 *19070

12130 *12810

10140

(33.1)

0.0 m kg

*7060

*7060 *19500

14470 *13900

9520 *10910

6950

8860

5350

*6450

4670

9.87

(0.0 ft) lb

*15560 *15560 *42990

31900 *30640

20990 *24050

15320

19530

11790 *14220

10300

(32.4)

-1.5 m kg

*7760

*7760 *11450 *11450 *19920

14240 *14490

9290 *11330

6790

8770

5270

*7490

4970

9.39

 (-4.9 ft)  lb *17110 *17110 *25240 *25240 *43920

31390 *31940

20480 *24980

14970

19330

11620 *16510

10960

(30.8)

-3.0 m kg *12390 *12390 *16990 *16990 *19280

14280 *14310

9250 *11160

6760

*9290

5610

8.63

(-9.8 ft) lb *27320 *27320 *37460 *37460 *42510

31480 *31550

20390 *24600

14900

*20480

12370

(28.3)

-4.5 m kg *17960 *17960 *24770 *24770 *17460

14540 *13090

9410

*9810

6940

7.50

(-14.8 ft) lb *39590 *39590 *54610 *54610 *38490

32060 *28860

20750

*21630

15300

(24.6)

-6.0 m kg

*18940 *18940 *13630 *13630

*10220 *10220

5.76

(-19.7 ft) lb

*41760 *41760 *30050 *30050

*22530 *22530

(18.9)

Summary of Contents for HX380A L

Page 1: ...HX380A L CRAWLER EXCAVATOR SERVICE MANUAL ...

Page 2: ...Operation 153 Group 5 Combined Operation 163 SECTION 4 ELECTRICAL SYSTEM 172 Group 1 Component Location 173 Group 2 Hydraulic Circuit 175 Memorandum 178 Group 3 Electrical Component Specification 195 Group 4 Connectors 208 SECTION 5 MECHATRONICS SYSTEM 233 Group 1 Outline 234 Group 2 Mode Selection System 236 Group 3 Automatic Deceleration System 239 Group 4 Power Boost System 240 Group 5 Travel S...

Page 3: ...atronics System 386 Group 5 Air Conditioner Heater System 416 SECTION 7 MAINTENANCE STANDARD 419 Group 1 Operational Performance Test 420 Group 2 Major Component 440 Group 3 Track And Work Equipment 455 SECTION 8 DISASSEMBLY AND ASSEMBLY 461 Group 1 Precautions 462 Group 2 Tightening Torque 465 Group 3 Pump Device 468 Group 4 Main Control Valve 492 Group 5 Swing Device 513 Group 6 Travel Device 53...

Page 4: ... SECTION 3 HYDRAULIC SYSTEM This section explains the hydraulic circuit single 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 but also serves as reference material for trouble shooting SECTION 5 MECHATRONICS SYSTEM This section explains the computer ai...

Page 5: ...rt 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 Function Consecutive page number for each item Additional pages Additional pages are indicated by a hyphen and number after the page number File as in the example 1 2 3 Symbol Item Remarks Special safe...

Page 6: ...he left to convert it to 55 mm Carry out the same procedure as above to convert 55 mm to 2 165 inches The original value 550 mm 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 550 mm 21 65 inches 1 2 1 2 3 1 2 3 Millimeters to inches 1 mm 0 03937 in ⓑ ⓐ 0 1 2 3 4 5 6 7 8 9 0 0 039 0 079 0 118 0 157 0 197 0 23...

Page 7: ...0 3 543 3 583 3 622 3 661 3 701 3 740 3 780 3 819 3 858 3 898 Kilogram to Pound 1 kg 2 2046 lb 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 90 39 92 59 94 80 97 00 99 21 101 41...

Page 8: ... 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 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 7 969 7 919 8 139 8 359 8 579 40 8 799...

Page 9: ...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 1063 2 1070 5 1077 7 150...

Page 10: ... 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 2318 2333 2347 2361 2375 2...

Page 11: ...2 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 8 27 8...

Page 12: ...SECTION 1 GENERAL Group 1 Safety Hints 1 1 Group 2 Specifications 1 10 ...

Page 13: ... 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 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 dismount a moving machine Be careful of sl...

Page 14: ...goggles 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 protect against objectionable or uncomfortable loud noises AVOID POWER LINES Serious injury or death can result from contact with electric lines Never move any part of the machine or load closer to electri...

Page 15: ...ator 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 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 seat PARK MACHINE SAFELY Before wor...

Page 16: ...LY 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 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 machine Fill fuel tank outdoors Store flamma...

Page 17: ... 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 minutes before weld...

Page 18: ...jury 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 relieving pressure before disconnecting hydraulic or other lines Tighten all connections before applying pressure Search for leaks with a piece of cardboard Protect hands and body from high pressure fluids I...

Page 19: ...ials 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 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 or hydrometer Do not charge a froze...

Page 20: ...or 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 appropriate to the work Makeshift tools parts and procedures can create safety hazards U...

Page 21: ...om 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 and other harmful waste REPLACE SAFETY SIGNS Replace missing or damaged safety signs See the machine operator s manual for correct safety sign placement LIVE WITH SAFETY Before returning machine to ...

Page 22: ...Main control valve Swing motor Bucket Tooth After treatment device Bucket cylinder Side cutter Connecting link Connecting rod Idler Track roller Carrier roller Track Sprocket Travel motor Cab Boom cylinder Boom Arm cylinder Arm Counterweight Handrail Swing bearing DEF AdBlue R tank Charge air cooler Oil cooler 380A2SP01 ...

Page 23: ...4 3 Overall height of engine hood G 2830 9 3 2830 9 3 2830 9 3 2830 9 3 Overall height of handrail G 3470 11 5 3470 11 5 3470 11 5 3470 11 5 Minimum ground clearance H 550 1 10 550 1 10 550 1 10 550 1 10 Rear end distance I 3555 11 8 3555 11 8 3555 11 8 3555 11 8 Rear end swing radius I 3620 11 11 3620 11 11 3620 11 11 3620 11 11 Distance between tumblers J 4340 14 3 4340 14 3 4340 14 3 4340 14 3 ...

Page 24: ...eight of cab E 3240 10 6 Ground clearance of counterweight F 1295 4 3 Overall height of engine hood G 2830 9 3 Overall height of handrail G 3470 11 5 Minimum ground clearance H 550 1 10 Rear end distance I 3555 11 8 Rear end swing radius I 3620 11 11 Distance between tumblers J 4340 14 3 Undercarriage length K 5270 17 3 Undercarriage width L 3340 10 11 Track gauge M 2740 9 0 Track shoe width stand...

Page 25: ...l height of engine hood G 2830 9 3 2830 9 3 2830 9 3 2830 9 3 Overall height of handrail G 3470 11 5 3470 11 5 3470 11 5 3470 11 5 Minimum ground clearance H 550 1 10 550 1 10 550 1 10 550 1 10 Rear end distance I 3555 11 8 3555 11 8 3555 11 8 3555 11 8 Rear end swing radius I 3620 11 11 3620 11 11 3620 11 11 3620 11 11 Distance between tumblers J 4340 14 3 4340 14 3 4340 14 3 4340 14 3 Undercarri...

Page 26: ...n swing radius F 4310 14 2 4490 14 9 4490 14 9 4350 14 3 Bucket digging force kN SAE 228 5 249 3 201 0 219 3 201 0 219 3 201 0 219 3 kgf 23300 25420 20500 22360 20500 22360 20500 22360 lbf 51370 56040 45190 49300 45190 49300 45190 49300 kN ISO 259 9 283 5 228 5 249 3 228 5 249 3 228 5 249 3 kgf 26500 28910 23300 25420 23300 25420 23300 25420 lbf 58420 63740 51370 56040 51370 56040 51370 56040 Arm ...

Page 27: ...353 160 353 Lower roller 18EA 1 431 3 155 1 431 3 155 Track chain assembly 600 mm triple grouser shoe 2EA 4 723 10 413 4 723 10 413 Track chain assembly 800 mm triple grouser shoe 2EA 5 621 12 392 Front attachment assembly 6 50 m boom assembly 3 150 6 944 3 150 6 944 3 20 m arm assembly 1 450 3 197 1 450 3 197 1 62 m SAE heaped bucket 1 470 3 241 1 470 3 241 Boom cylinder assembly 2EA 720 1 587 72...

Page 28: ...13910 9310 10750 6850 10070 6460 7 85 9 8 ft lb 33110 33110 44420 44420 40740 31680 30670 20530 23700 15100 22200 14240 25 7 4 5 m kg 21800 21800 15950 14760 11940 9590 10520 8480 6 57 14 8 ft lb 48060 48060 35160 32540 26320 21140 23190 18700 21 6 Note 1 2 3 4 Lifting capacity are based on ISO 10567 Lifting capacity of the HX series does not exceed 75 of tipping load with the machine on firm leve...

Page 29: ...width mm Front Rear Front Rear 6500 2500 6500 600 A B 余 Rating over front Rating over side or 360 degree 余 Lift point height A Lift point radius B At max reach 3 0 m 9 8 ft 4 5 m 14 8 ft 6 0 m 19 7 ft 7 5 m 24 6 ft Capacity Reach m ft 7 5 m kg 8970 8610 7 16 24 6 ft lb 19780 18980 23 5 6 0 m kg 9570 9570 8920 7920 8920 6950 8 08 19 7 ft lb 21100 21100 19670 17460 19670 15320 26 5 4 5 m kg 14460 14...

Page 30: ...ft 9 0 m kg 5580 5580 7 43 29 5 ft lb 12300 12300 24 4 7 5 m kg 6800 6800 5240 5240 8 59 24 6 ft lb 14990 14990 11550 11550 28 2 6 0 m kg 7180 7180 6500 6030 5130 5130 9 36 19 7 ft lb 15830 15830 14330 13290 11310 11310 30 7 4 5 m kg 8930 8930 7990 7950 7510 5900 5200 5030 9 85 14 8 ft lb 19690 19690 17610 17530 16560 13010 11460 11090 32 3 3 0 m kg 14540 14540 10830 10620 9040 7580 8060 5700 5420...

Page 31: ...adius B At max reach 1 5 m 4 9 ft 3 0 m 9 8 ft 4 5 m 14 8 ft 6 0 m 19 7 ft 7 5 m 24 6 ft 9 0 m 29 5 ft Capacity Reach m ft 7 5 m kg 7790 7790 7050 7050 7 80 24 6 ft lb 17170 17170 15540 15540 25 6 6 0 m kg 8000 8000 6910 6650 8 64 19 7 ft lb 17640 17640 15230 14660 28 4 4 5 m kg 12530 12530 9960 9960 8720 8200 8150 6100 7020 5910 9 17 14 8 ft lb 27620 27620 21960 21960 19220 18080 17970 13450 1548...

Page 32: ... 2 1 5 m kg 14540 14540 19660 14710 14710 9590 11390 7090 10910 6830 7 72 4 9 ft lb 32060 32060 43340 32430 32430 21140 25110 15630 24050 15060 25 3 3 0 m kg 24010 24010 17760 14950 13350 9750 11280 8310 6 77 9 8 ft lb 52930 52930 39150 32960 29430 21500 24870 18320 22 2 4 5 m kg 13520 13520 11150 11150 5 23 14 8 ft lb 29810 29810 24580 24580 17 2 Note 1 2 3 4 Lifting capacity are based on ISO 105...

Page 33: ... 4 1 5 m kg 19240 12070 14510 7960 11360 5900 10230 5350 8 12 4 9 ft lb 42420 26610 31990 17550 25040 13010 22550 11790 26 6 3 0 m kg 22870 22870 17520 12300 13390 8090 10550 6370 7 22 9 8 ft lb 50420 50420 38620 27120 29520 17840 23260 14040 23 7 4 5 m kg 14070 12770 10500 8930 5 80 14 8 ft lb 31020 28150 23150 19690 19 0 Note 1 2 3 4 Lifting capacity are based on ISO 10567 Lifting capacity of th...

Page 34: ...nt radius B At max reach 1 5 m 4 9 ft 3 0 m 9 8 ft 4 5 m 14 8 ft 6 0 m 19 7 ft 7 5 m 24 6 ft 9 0 m 29 5 ft Capacity Reach m ft 7 5 m kg 7790 7100 7050 6610 7 80 24 6 ft lb 17170 15650 15540 14570 25 6 6 0 m kg 8000 6990 6910 5440 8 64 19 7 ft lb 17640 15410 15230 11990 28 4 4 5 m kg 12530 12530 9960 9490 8720 6720 8150 4960 7020 4800 9 17 14 8 ft lb 27620 27620 21960 20920 19220 14820 17970 10930 ...

Page 35: ...ch m ft 9 0 m kg 5580 5580 7 43 29 5 ft lb 12300 12300 24 4 7 5 m kg 6800 6800 5240 5240 8 59 24 6 ft lb 14990 14990 11550 11550 28 2 6 0 m kg 7180 7180 6500 5220 5130 4830 9 36 19 7 ft lb 15830 15830 14330 11510 11310 10650 30 7 4 5 m kg 8930 8930 7990 6890 7510 5090 5200 4320 9 85 14 8 ft lb 19690 19690 17610 15190 16560 11220 11460 9520 32 3 3 0 m kg 14540 13890 10830 9120 9040 6540 8060 4900 5...

Page 36: ...mage Make adjustments to the rated load as necessory for non standard configurations Lift point height A Lift point radius B At max reach 3 0 m 9 8 ft 4 5 m 14 8 ft 6 0 m 19 7 ft 7 5 m 24 6 ft Capacity Reach m ft 7 5 m kg 9240 9240 9470 8350 6 71 24 6 ft lb 20370 20370 20880 18410 22 0 6 0 m kg 9720 9720 9360 6890 9400 6590 7 69 19 7 ft lb 21430 21430 20640 15190 20720 14530 25 2 4 5 m kg 14000 14...

Page 37: ...35 68 3 1 690 3 730 5 侑 俗 侖 侘 2 32 3 03 2 02 2 64 1 885 74 2 1 800 3 970 6 俗 侖 侖 侘 These recommendations are for general conditions and average use Work tools and ground conditions have effects on machine performance Select an optimum combination according to the working conditions and the type of work that is being done Consult your Hyundai dealer for information on selecting the correct boom0arm...

Page 38: ...7 1 305 51 4 1 750 3 860 4 侑 侑 侑 俗 1 62 2 12 1 42 1 86 1 415 55 7 1 850 4 080 5 侑 侑 侑 俗 1 90 2 49 1 65 2 16 1 600 63 0 1 990 4 390 5 侑 俗 侖 侖 These recommendations are for general conditions and average use Work tools and ground conditions have effects on machine performance Select an optimum combination according to the working conditions and the type of work that is being done Consult your Hyunda...

Page 39: ...from the list of applications in table 2 then use table 1 to select the shoe Wide shoes categories B and C have limitations on applications Before using wide shoes check the precautions then investigate and study the operating conditions to confirm if these shoes are suitable Select the narrowest shoe possible to meet the required flotation and ground pressure Application of wider shoes than recom...

Page 40: ...ground with large obstacles such as boulders or fallen trees Travel at high speed only on flat ground Travel slowly at low speed if it is impossible to avoid going over obstacles Use the shoes only in the conditions that the machine sinks and it is impossible to use the shoes of category A or B These shoes cannot be used on rough ground with large obstacles such as boulders or fallen trees Travel ...

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