Kobelco SK100, SK120LC Hydraulic Excavator Service Repair Manual Instant Download (Book Code No. S5LP0004E)

SERVICE MANUAL HYDRAULIC EXCAVATOR SK100 SK120LC Applicable: SK100 YW-2801~ Applicable: SK120LC LP-5201~ S5LP0004E-02 02/93

Book code No. 55 LPO 1 04E(j) KOBElCO SK100 SK120(Lc) SHOP MANUAL SPECI FICATION TABLE OF CONTENTS 1. NAME OF COMPONENTS 2. GENERAL DIMENSIONS 3. SPECIFICATIONS AND PERFORMANCE .............. 5 4. TYPE OF SHOES .................................... 6 5. TYPE AND COMBINATION OF ATTACHMENTS 6. WORKING RANGES OF' ATTACHMENTS 7. LIFTING-UP ABILITY DIAGRAM 8. ENGINE SPECIFICATIONS .......................... 20 . . . . . . . . . . . . . . . . . . . . . . . . .. 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2 ...... 7 ............ 10 ................... 15 -4> KOBE STEEL, LTD.

Applicable Machines YW-2801- LP-5201- Revision Remarks Dale of Issue First edition March,1990 S5LP0104E K K First revision December, 1991 S5LP0104E<D

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1. LOCATION OF COMPONENTS BOOM ~ - - - - - - - - - - . ,,---------- ARM CYLINDER r---------.BOOM CYLINDER ~ - - - - - - - - - - . C O N T R O L B O A R D r----------.OPERATOR SEAT ~ - - . SWIVEL JOINT SWING FLASHER, REAR SERVICE LIGHT .HYDRAULIC PUMP .GUARD ----, .BUCKET .BUCKET LINK .IDLER LINK BUCKET CYLINDER .ARM LOWER ROLLER __ .TRACK SPRING-----J CAB UPPER ROLLER----------J .SLEWING RING--------' ----I '---- ENGINE - - - RADIATOR, OIL COOLER ~ - '---- REDUCTION UNIT FOR TRAVEL UNIT '---------- TRACK LINK '------------ .AIR CLEANER 1

2. GENERAL DIMENSIONS .SK100; 4.26m (14ft) BOOM + 2.27m (7ft 5in)ARM-ATIACHED STANDARD MACHINE SK120;4.6m(15ftlin)BOOM + 2.5m(8ft2in)ARM-ATIACHED STANDARD MACHINE Unit: mm ( ft-in ) 2.370 [7 '9"] (2.370) [7 'n 3.320 [10'ln (3,490) [ll'n SK120 has the dimensions given in parentheses ( SKl 00; WITH 4.26m ( 14ft) BOOM + 1.9m (6ft 3in) ARIYI SK120; WITH 4.6m (15ft lin) BOOM + <>2.1m (6ft llin) ARM ) . ~ 7.290 [23 '1 n (7.585) [24 '11-] rr In \0 ~ ~ o r;; ~ N ~ 0 ~ C!. .SK100;WITH 4.26m(14ft)BOOM + 2.77m (9ft lin)ARM SK120;WITH 4.6m(15ftlin)BOOM + 3.0m(9ftl0in)ARM . ~ o '; en ~ oLi> '" '" '" 0 Nci ~ r ~ The figures marked '* in the illustration do not include the shoe embossment (20mm) ( 0.78- ) . ~ 2

.SK100; WITH 4.26m (14ft) BOOM + 2.27m (7ft 5in) ARM + O.6m (2ft) EXTENSION ARM SK120;WITH 4.6m(15ft1in)BOOM + 2.5m(8ft2in)ARM + 1.0m(3ft3in) EXTENSION ARM Unit : mm [ft-in] . 0 . - <to o '" - -- '" In co \0 0 N ~ In _ I C rar SK120 has the dimensions given in parentheses ( ) . SK120LC;WITH 4.6m( 15ft1in)BOOM + 2.5m(8ft2in)ARM-ATIACHED STAND .I . co f o 11> \0 N r - :- f In N .... N 560 i26"l r 2,490 [STl 3.740 [12Tl a:7i' The figures marked * in the illustration do not include the shoe embossment (20mm) ( 0.78-) . 3

SK 120LC ; WITH 4.6m ( 15ft 1 in) BOOM + 2.1 m ( 6ft 11 in) ARM Unit: mm [ft-in] .SK120LC; WITH 4.6m ( 15ft lin) BOOM + 3.0m (9ft lOin) ARM 11> M o M .SK120LC; WITH 4.6m ( 15ft lin) BOOM + 2.5m (8ft 2in) ARM + 1.0m (3ft 3in) EXTENSION ARM o 11> <D o M 4

3. SPECIFICATIONS AND PERFORMANCE SPEED AND CLIMBING ABILITY SK120 SK120LC -- -- -- Model SK100 Item Swing speed 12.7rpm Travel speed 7/4km / h ( 4 ~ 3 / 2 . 5 MPH) Gradeabilicy 350 (70%) .ENGINE - Model I Model SK100 SK120 SK120LC -- -- 85ps /2,150rpm Item ISUZU 4BD1 ISUZU 4BD1T 4-cycle, water-cooled direct injection type diesel 4 -1 02mm(4in) x 118mm(4.64in) 4-cycle, water-cooled direct injection type with turbo charger Type Number .of cylinder - Bore x Stroke Total displacement 3,856c.c. (235cuin) JISD1005 Net 76ps /2,300rpm Rated output power/revolution SAEJ1349 Net 54.3Kw/2,300rpm 61.0Kw/2,150rpm DIN 6270 Net 53.0Kw/2,300rpm 59.3Kw/2,150rpm 30kgf m /1,600rpm Net 24kgf m /1,600rpm JISD1005 Maximum torque/revolution 287.1 N m /1,600rpm 228.8N m /1,600rpm Net SAEJ1349 279.2K m /l,600rpm 223.4N m /1,600rpm DIN 6270 Net HYDRAULIC COMPONENTS SK120 SK120LC -- -- -- -- -- -- -- Model SK100 Item Double-pump variable dlsplace- ment, axial piston + gear. pump Hydraulic pump Hydraulic motor (swing) Axial piston motor Hydraulic motor (travel) Axial piston motor 5 -section multiple contro! valve + 1-section control valve (swing) Control valve Cylinders (boom, arm, and bucket) Double acting cylinder Return filter Safety valve containing filter type Oil cooler Air-cooled type Unit: kg (Ibs) -- 4,350 (9,590) - -- Model SK120LC SK120 SK100 Item 11,700 (25,800) 11,500 (25,400) 10,500 (23,100) Fully-equipped weight 5,430 (12,000) 4,680 (10,300) Upper machinery Lower machinery (with 500mm (20 Attachment 14.26m (14ft) boom + 2.27m {7ftSinl arm + O.4m3 {O.S2cuvdl bucket J Attachmentl4.6m (15ftlin) boom +2.5m {8ft2inl arm + O.45m3 (0.59cuvdl bucket J 4,150 (9,150) - 4,100 (9,OOO) ) arocer shoe) W 1,720 (3,800) - 1,930 (4,250) 5

4. TYPE OF SHOES Width of Overall width Ground contact Pressure kg/cm2 (psi) track shoe of crawler STD,Arm Shape Model Short, Arm Long, Arm mm{ft-in) mm{ft-in) 500(20W) 2,490( 8 '2 ) Grouser(equal height) SK100 0.36(5.12) 0.36(5.12) 0.36(5.12) 600(24W) 2,590( 8'6 ) 0.31(4.41) 0.30(4.27) 0.30(4.27) 41 link 700(27W) 2,690( 8'10 ) 0.26(3.70) 0.26(3.70) 0.26(3.70) 500(20W), 2,490( 8'r) 0.38(5.40) SK120 0.38(5.40) 0.37(5.26) 600(24W) 2,590( 8 '6W) 0.32(4.55) 0.32(4.55) 0.32(4.55) 43 link 700(27W) 2,690( 8'10 ) 0.28(3.98) 0.28(3.98) 0.28(3.98) 500(20W) 2,490( 8'r) SK120LC 0.36(5.12) 0.36(5.12) 0.37(5.26) 600(24W) 2,590( 8 '6W) 0.30(4.27) 0.30(4.27) 0.30(4.27) 46 link 700(2T) 2,690( 8' 1 OW) 0.26(3.70) 0.26{3.70) 0.26(3.70) SK100 Flat 500(20 ) 2,490( 8'2W) 0.36(5.12) 0.36(5.12) 0.36(5.12) 41 link SK120 500(20W) 2,490( 8'r) 0.38(5.40) 0.38(5.40) 0.37(5.26) 43 link SK120LC 500(20W) 2,490( 8'r) 0.36(5.12) 0.35(5.00) 0.36(5.12) 46 link SK100 Triangle 0.23(3.27) 0.23(3.27) 800(3r) 2,790( 9'r) 0.23(3.27) 41 link 0.24(3.41) 0.24(3.41) 800(3r) 2,790( 9'r) 0.24(3.41) 43 link 0.23(3.27) 0.23(3.27) 800(3r) 2,790( 9'r) 0.23(3.27) 46 link .600mm (24W) shoes, flat shoes and 700mm (2T) triangle shoes 800 (3r) come in three types, wet land, paved road and soft land. Do not use them at sites with many stones and gravels in any circumstances . Note that if you operate such shoe-mounted machines in general civil construction work and in a dry riverbed, it will cause shoes to bend, bring about slackening of shoe bolts and damage to under frame parts (links, crawlers, etc.). ~ 6

5. TYPE AND COMBINATION OF ATTACHMENTS .TYPES OF BUCKETS HOE BUCKET eSK100 Heaped capacity m3 (cuyd) 0.15(0.20) Outside width o ~ ) bucket mm ft-in With side cutter -- -- 750(2' 5-) Presence or not of side cutter No Possi bi I ity of turnover Yes No. of Weight Without side cutter 450(1' 6") teeth kg (Ibs) 200(440) 3 560(1' 10-) 0.25(0.33) 3 No Yes 260(570) 650(2' 2-) 0.3(0.39) 4 Yes Yes 300(660) 0.35(0.46) 840(2' 9-) 730(2' 5-) 4 Yes Yes 320(710) 920(3'0-) 820(2' 8-) 0.4(0.52) 4 Yes Yes 340(750) 1,010(3' 4-) 900(2' 11-) 0.45(0.59) Yes 360(790) 5 Yes e SK 120,SK 120LC Outside width 0;) bucket mm ft-in With side cutter Heaped capacity m3 (cuyd) 0.3(0.39) Presence or not of side cutter Yes Possibility of turnover Yes Weight No. of Without side cutter 630(1' 6-) kg (Ibs) teeth 730(2' 5") 300(660) 4 720(2' 4-) 820(2' 8") 320(710) Yes 0.35(0.46) 4 Yes 900(2' 11") 800(2' 7") 0.4(0.52) 340(750) 4 Yes Yes 880(2' 11-) 980(3' 3-) 370(820) 0.45(0.59) Yes 5 Yes 1,060(3' 6-) 960(3' 2") 0.5(0.65) 380(840) Yes Yes 5 1,130(3' 8-) 1,230(4' 1-) 400(880) 0.6(0.78) Yes 5 No a::6' SK120' SK120LC has the dimensions given in parentheses ( ). Weight: 480kg (1060 lbs) [550kg (1210 lbs)] Turnover not possible Weight: 250kg(550Ibs) SLOPE FINISHING BUCKET [250kg (550 lbs)] Turnover not possible RIPPER rr 00 r- :- ....,M - - 7

SCRAPER BUCKET Capacity: 0045 mS[0.59cuyd] V - BUCKET (0.55mS) [0.72cuyd] Weight: 380kg [840 Ibs] Turnover not possible Capacity: 0.38 mS [0.5 cuyd] (0.38ms)[0.5 cuyd] Weight: 280kg [620 Ibs] (290kg) [6401bs] Turnover not possible CLAMSHELL BUCKET Capacity: 004 m3 [0.52cuyd] BUCKET WITH EJECTOR (004 m3) [0.52cuyd] Weight: 780kg (1,720 Ibs) <780kg)(1,720 Ibs) . Width of opening: 1,570mm [5ft 2in] (l,570mm) [5ft 2in] Capacity: 0.2 m3 [0.26cuyd] (0.2m3) [0.26cuyd] Weight: 400kg [880 Ibs] 400kg [880 Ibs] Turnover not possible . <:t 0\ ~ ~ In ~ - RIPPER BUCKET Capacity: 0.3 m3 [0.39cuyd] (0.3m3) [0.39cuyd] Weight: 550kg [1,210 Ibsl 550kg [1,210 Ibsl Turnover not possible DIGGING FORCE ~ Digging force ton (UK ton) Arm 604 (6.3) 5.6 (5.5) 4.9 (4.8) 6.8 (6.7) 6.1 (6.0) 504 (5.3) Arm Bucket + Bucket 7.5 (704) t t 7.7 (7.6) t t N + 0.59cuyd) (6 '3 (7' 5 (9'1 N +0.46cuyd) 1.9M +OA5m3 2.27M + OAOm3 2.77M +0.35m3 2.1M +0.50m3 (6 '11 M + 0.65cuyd) 2.5M +0.45m3 3.0M +0.35m3 (9'10M +OA6cuyd) N + 0.52cuyd) SK100 (8 '2M + 0.59cuyd) SK120 8

COMBINATIONS OF ATTACHMENTS eSK100 Bucket Applicable arm 2.27m 2.77m (7ft5in) (9ft1 in) + 0.6m (1ft11in) arm arm 0 0 0 0 0 0 0 ~ ~ x 0 x JIS heaped capacity m3(cuyd) 0.15 (0.20) SAE heaped capacity m3(cuyd) 0.17 (0.22) JIS SAE struck capacity m3(cuyd) 0.13 (0.17) 1.9m (6ft3in) arm 0 0 0 0 0 0 IJ .27m(7ft5in) arm Type ~ x t e n s i o n arm 0 0 ~ 0.28 (0.37) 0.22 (0.29) 0.25 (0.33) 0.34 (0.44) 0.30 (0.39) 0.26 (0.34) Hoe bucket 0.35 (0.46) 0.40 (0.52) 0.30 (0.39) x x x 0.35 (0.46) 0.46 (0.60) 0.40 (0.52) 0.52 (0.68) 0.38 (0.50) -- -- -- 0.30 (0.39) 0.45 (0.59) 0.40 (0.52) -- w o ~ J ~ ~ f . ~ ~ h 2ft" in x Sft3in\ -- 0.38 (0.50) Clamshell bucket Slope finishing bucket Ripper -- -- 0.46 (0.60) ~ ~ ~ ~ 0 ~ 0 ~ x x V-bucket. ~ ~ 0.51 (0.67) Scraper bucket Bucket with ejector 0.45 (0.59) 0.38 (0.50) ~ ~ ~ ~ 0 0 0 0 0.20 (0.26) 0.22 (0.29) 0.19 (0.25) e SK 120,SK 120LC Applicable arm 2.5m Bucket 2.5m (8ft2in) arm + 1.0 m (3ft3in) extension arm ~ SAE heaped c a p a c i ~ m3(cuy ) 0.34 (0.44) JIS SAE struck capacity m3(cuyd) 0.26 (0.34) 2.1m (6ft11 in) (8ft2in) (9ft10in) arm arm 0 0 0 0 0 0 0 ~ ~ x 0 0 3.0m JIS heaped capacity m3(cuyd) 0.30 (0.39) Type arm 0 ~ 0.35 (0.46) 0.40 (0.52) 0.30 (0.39) x x x x x 0.35 (0.46) 0.46 (0.60) 0.40 (0.52) Hoe bucket x x x x 0.45 (0.59) 0.52 (0.68) 0.38 (0.50) 0.50 (0.65) 0.58 (0.76) 0.42 (0.55) 0.52 (0.68) -- -- -- 0.70 (0.91) 0.60 (0.78) 0.40 (0.52) -- I W,lo):h x ~ e p t h 2ftll in x Sftl , in -- 0.38 (0.50) Clamshell bucket Slope finishing bucket Ripper O.9mx'.8m -- ~ ~ ~ ~ -- 0 ~ 0 ~ x x ~ 0.46 (0.60) 0.30 (0.39) ~ V-bucket 0.55 (0.72) 0.65 (0.85) 0.42 (0.55) ~ ~ ~ Scraper bucket Bucket with ejector ~ 0 0 0 0 0.19 (0.25) 0.22 (0.29) 0.20 (0.26) a::F Standard combinations o General operation: Digging and loading of sand, gravels and clay-mixed soil ,6. Light operation: Operations mainly consisting of loading of loose sand and soil (for instance, operations in paddy fields and loading of sand and gravels) X Not usable: Do not operate in such combinations as guarantee does not cover them. A elf a bucket other than hoe buckets is used to execute turnover operation, it will cause damage to the arm and the bucket. eThe combinations other than those mentioned in the above table can not be used in principle. For details, contact us. 9

Book code No. S5 L PO 3 04E KOBELCO SK100 S.K120 SHOP MA'NUAL LOCATION AND WEIGHT OF COMPONETS ,"g.) TABLE OF CONTENTS 1. LOCATION OF COMPONENTS 2. WEIGHT OF COMPONENTS 3. TRANSPORTATION WEIGHT .......... .............. 3 . . . . . . . . . . . . . . . . . . . . . .. 1 . . . . . . . . . . . . . . . . . . . . 2 -4> KOBE STEEL, LTD.

Applicable Machines YW-2801- LP-5201- YP-1601- Revision Date of Issue Remarks First edition K March,1990 S5LP0304E

1. LOCATION OF COMPONENTS BOOM ARM CYLINDER - - - - - - - - - - ~ . ~ - - - - - - - - - . ,----------. BOOM CYLINDER ,..-------. CONTROL BOARD ,------. OPERATOR SEAT SWING FLASHER, REAR SERVICE LIGHT HYDRAULIC PUMP GUARD----, HYDRAULIC TANK I BUCKET .BUCKET LINK .IDLER LINK BUCKET CYLINDER .ARM CONTROL LEVER LOWER ROLLER------J .TRACK SPRING----..J CAB UPPER ROLLER --__ .SLEWING RING------J .'----- ENGINE '------- RADIATOR, OIL COOLER L..-__ REDUCTION UNIT FOR TRAVEL UNIT .-J '---------- .TRACK LINK '------------ .AIR CLEANER 1

2. WEIGHT OF COMPONENTS Unit: kg (Ibs) Model SK100 SK120 SK120LC Item Complete Machine (std Export 500mm (20*) shoe 10,500(23,100) 11,500(25,300) 11,700(25,800) Upper Frame Assy (incl. 1.1-1.9) Counter-weight Cab Boom cylinder Engine, radiator Pump assy Control valve Fuel tank Hydraulic tank Swing motor & reduction unit 1. 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 4,680( 1 0,300) 1,300(2,870) 260(570) * * 340(750) * 390(860) 85(190} 105(230) * * 105(230) * 150(330) * 150(330) 4,100(9,000) 150(330) * 170(370} 65(140) x2 26(57) x 12 8(18) x2 56(120) x2 37(82} x2 30(66) 1,360(3,000) 1,640(3,600) 1,770(3,900) 270(600) x 2 5,425( 11 ,95(}) 2,050(4,500) III! III! 90(200) x2 * 100(220) x 2 if if III! III! III! III! III! III! 75(160) III! III! oi( III! III! Lower frame assy (incl. 2.1-2.9) Siwing ring Travel motor & reduction unit Idler assy Lower roller assy Upper roller assy Track tension assy Sprocket Swivel joint T r a c ~ link with 500mm (20*) shoe assy Track link with 600mm (24-) shoe assy Track link with 700mm (27-) shoe assy 2.9.2 Track link 4,150(9,100) .. 4,350(9,600} 2. 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.S 2.9 III! III! oi( III! oi( 26(57) x 14 .. if III! III! oi( oi( if if III! 1,425(3, 1 OO} 1,720(3,800) 1,860(4,100) 285(630)x2 1,510(3,330) 1,830(4,300) 1,990(4,390) 290(640)x2 .. .. .. .. .. .. 1,720(3,792) 350(772) 490(1,080) 1,930(4,250) 390(860) 565(1,200) Attachment (jncl. 3.1-3.3) Bucket assy 0.4m3 (O.52cuyd) Arm assy ( 2.27m (7ft-5in) STD. ) (incl. following) ( 2.5m (8ft-2in) STD. ) (incl. following) 3.2.1 . Arm 3.2.2 Bucket cylinder 3.2.3 Idler link 3.2.4 Bucket link 3.2.5 Pin (2 pcs for mounting the arm cylinder and the bucket) 3.3 Boom assy (includes the following:) 3.3.1 . Boom 3.3.2 Arm cylinder 3.3.3 Pin (mounting the arm) 3. 3.1 3.2 III! 380(840) 310(688) * 32(71) 34(75} 86(190) III! oi( 34(75) 48(110} III! 19(42) 875(1,930) 730(1,610} * 130(280} * 155(340} 15(33) oi( 01( 970(2,100) SOO(1,780} if .. if .. .. III! Oil, grease, water, etc. (incl. 4.1-4.3) Hydraulic oil, engine oil Fuel Water 360(790) 133(290) 205(450) 22(49) III! .. 4. 4.1 4.2 4.3 01( III! 01( III! * mark dry weight. 2

3. TRANSPORTATION WEIGHT .PRINCIPAL PARTICULARS OF A FULLY-EQUIPPED MACHINE ON A TRAILER Unit: mm (ft-in) Model SK100 SK120 SK120LC Total width 2,490mm [8 ft-2 in] Iff III! Weight 10.5ton[23, 150 Ibs](STD) 11.5ton[25,350 Ibs](STD) 11.7ton[25,790 Ibs](STD) SK100 r .- .- !? !" 11'1 N ..... N r .- .- 11'1 ..... .: "" I o ~ 11'1 ..... !:! SK120, SK120LC 7.595 124 '11-) (7.595) [24 '11-) .BASIC MACHINE LIFTING SK100 SK120LC 2,490mm (8ft-2in) IE Width 4.8ton (10,600Ibs) Weight 5.6ton (12,300Ibs) 3

PRINCIPAL PARTICULARS OF BOOM Model SK120LC SK120 SK100 Range Total length x total height x total width Lx H xW m [ft-in] 4.76 x 1.34 x 0.5S 4.42 x '.23 x 0.5S [14'6-x4'x1',,-] [15'rx4'5-x 1'11-] 0If Weight kg [Ibs] 940 [2,070] SOD [1,760] of .PRINCIPAL PARTICULARS OF ARM + BUCKET (SK100) 1.9m[6ft-3in] arm + 0.45m3 [O.59cuyd] bucket 2.27m[7ft-5in] arm + 0.4m3 [O.52cuyd] bucket 2 . 7 7 m [ 9 ~ - 1 i n ] arm + 0:35m3 [0.46cuyd] bucket Combination Total length x total height x total width Lx H xW'm [ft-in] 4.63 x 0.80 x 0.84 3.76 x 0.80 x 1.01 4.14 x 0.80 x 0.92 [12' 4-x2 '7- x 3 '4-] [15'r x 2 '7- x 2 '9-] [13 '7- x 2 '7- x 3'] 820 [1,S10] 840 [1,S50] S70 [1,920] Weight kg [lbs] .PRINCIPAL PARTICULARS OF ARM + BUCKET (SK120,SK120LC) 3.0m[9ft-10in] arm + 0.35m3 [0.46cuyd] bucket 2.1m[6ft-11in] arm + 0.5m3 [O.65cuyd] bucket 2.5m[Sft-2in] arm + 0.45m3 [O.59cuyd] bucket Combination Total length x total height x total width LxHxW m [ft-in] 4.99xO.S1 xO.82 4.44 x 0.81 x 0.98 4.04 x 0.S1 x 1.06 [16' 4- x 2 'S- x 2'S-] [13 '3- x 2 'S- x 3 '6-] [14'7- x 2'S- x 3 '3-] 970 [2,140] Weight kg [lbs] 910 [2,010] 940 [2,070] L 4

.. PRINCIPAL PARTICULARS OF ARM (SK100) 2.77m[9ft-1in) arm 2.27m[7ft-Sin] arm Length of arm 1.9m[6ft-3in) arm --..,.' Total length x total height x total width LxHxW m [ft-in) 3.49 x 0.64 x 0.35 2.62 x 0.67 x 0.35 3.00 x 0.62 x 0.35 [9'10 x2'x1'r) [11'5-x2'1 x1'r) [8'7 x2'rx 1'r) 480 [1,060) 530 [1,170) Weight kg [Ibs) 440 [970) PRINCIPAL PARTICULARS OF ARM (SK120,SK120LC) Length of arm 2.1m[6ft-11in) arm 2.sm[8ft-2in] arm 3.0m[9ft-10in] arm Total length x total height x total width Lx H xW m [ft-in) 2.87 x 0.64 x 0.38 3.28 x 0.61 x 0.38 3.82 x 0.63 x 0.38 [12'6-x2'1-x 1'3-] [9's-x2'1-x 1'3-) [10'9 x2' x 1'3-] - 550 [1,210] 630 [1,390] Weight kg [Ibs] 500 [1,100] I L .PRINCIPAL PARTICULARS OF BUCKET (SK100) Hoe bucket Type Total length x total height x total width LxHxW m [ft-in] 3'10-x3's-x 1'10-] [3 '10- x 3 '5- x 2 '6-] [3'10-x3's-x2'9-] [3 '10- x 3 '5- x 3 '] 1.17 x 1.04 x 0.84 1.17 x 1.04 x 0.92 1.17 x 1.04xO.s6 1.17 x 1.04 x 0.75 340 [750] 320 [710] Weight kg [Ibs] Bucket capacity . m3 [cuyd] 260 [570] 300 [660] 0.4 [0.52) 0.35 [0.46) 0.25 [0.33] 0.3 [0.39] S l o p ~ } i n i s h i n g '. ucket 0.99 x 0.73 x 1.60 Ripper Type Hoe bucket V-bucket Total length x total height x total width LxHxW m [ft-in) [3 '10- x 3 '5- x 3 '4-) [4 '3- x 2 '1- x 5 '11-) [3'3-x2's-xs'3-) 1.18xO.60xO.40 [3'10-x2' x 1'4-) 1.17 x 1.04 x 1.01 1.29xO.64x 1.81 480 [1,060] 250 [550] - Weight kg [Ibs) Bucket capacity m3 [cuyd] 360 [790] 280 [620] 0.31 [0.41] 0.45 [0.59] 0.38 [0.5] Type Scraper bucket Bucket with ejector Total length x total height x total width LxHxW m [ft-in] 1.21 xO.80x1.10 [4' x 2 '7- x 3 '7-) 1.30 x 0.95 x 0.43 [4'3-x3'1-x 1'5-) Weight kg [lbs) Bucket capacity m3 [cuyd] 380 [840) - 280 [620] - 5

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.PRINCIPAL PARTICULARS OF BUCKET (SK120,SK120LC) .. , Type Hoe bucket Total length x total height x total width Lx H xW m [ft-in] [3'10Nx37'x2'5N] [3' 10N x 3 '7* x 2 'aN] 3'10*x37*x2'11*] [3'10*x37*x3'3*] 1.18x1.08xO.74 1.18x 1.08xO.82 1.1a x 1.08x 0.90 1.18x 1.08xO.98 Weight kg [Ibs] Bucket capacity m3 [cuyd] 300 [660] 320 (710) 340 [750] 370 [a20] 0.3 [0.39] 0.4 [0.52] 0.35 [0.46] 0.45 [0.59] S l o P ~ u f ~ ~ ~ ~ h i n g Hoe bucket Type V-bucket Total length x total height x total width LxHxW m [ft-in] [3'10'x37Nx3'6-) [3' 10-x 3 7- x 3 '8*] [4'1 x2'2* x 5'10 ] [3'4 x 2 7N X 5' 11 ] 1.1ax 1.0ax 1.06 1.1ax1.0ax1.13 1.25xO.65x 1.79 1.01 xO.79x LaO 380 [838] Weight kg [Jbs] Bucket capacity m3 [cuyd) 400 [88i] 290 [640) 550[1,200] 0.5 [0.65] 0.38 [0.5) 0.4 [0.52] 0.6 [0.78] Ripper Ripper bucket Type Bucket with ejector Total lengttl x total height x total width LxHxW m [ft-in] 3'10 x 1 '11 x 1 '5 ] [4'3 x3'1NX 1 '6N] 1.17 x 0.59 x 0.44 1.57 x 0.95 x 0.85 [5'rx3'1*x2'9N] 1.30 x 0.95 x 0.45 250 [550] - 280 [620] 550 [1,210) Weight kg [lbs] Bucket capacity m3 (cuyd) 0.3 [0.39] 0.2 [0.26] Ripper Slope finishing bucket .Hoe bucket L L ... L V-bucket Scraper bucket Bucket with ejector :r:: x L L L . Ripper bucket 6

BooK code No. S5 LP0405E (OIELCO SK100 SK120 SHOP MANUAL MAINTENANCE STANDARDS AND TEST PROCEDURES TABLE OF CONTENTS LP04 1. GENERAL 2. PRESSURE MEASUREMENT AND ADJUSTMENT 2.1 Equipment to be Prepared 2.2 Standard Measuring Condition 2.3 Reading the Engine Revolution 2.4 Adjusting the Engine Revolution by Mechatro Controller 2.5 Setting the Engine Stop and High Positions 2.6 Setting the Engine Revolution 2.7 Procedure for Adjusting the Variable Loading Mode 2.8 Pressure Measuring Positions 2.9 Measuring and Adjusting the Circuit Pressure ........ 7 2.10 Performance Inspection Standard ............ ..... , 9 2.11 Procedure for Adjusting the Pressure of Independent Relief Valves .. .. .. ...... 11 2.12 Procedure for Measurement and Adjustment of Negative Control Relief Pressure . ..... ...... .. '12 2.13 Measuring the Pressure of Pump (P2) in Loading Mode ............. ...... ....... ...... '13 2.14 Measuring the secondary pressure of KPSS Solenoid Proportionate Valve 3. CYLINDER SPEED ... ............. ................ '14 4. CYLINDER OIL TIGHTNESS ......................... '16 5. SWING. PERFORMANCE ......... ................... 18 6. TRAVEL PERFORMANCE ................ : .......... '20 7. OIL DRAIN FROM MOTORS ......................... '22 8. PLAY OF SWING BEARING ......................... 24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 . . . . .. 2 . . . . . . . 2 . . .. .. .. . .. .. .. .. .... 2 . . . . . 3 .. .. .. .. . .. . .. .. .. .. . 6 6 . . . . . . . . . . . . . . . . . 6 ............... '13 ~ KOBE STEEL, LTD.

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