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PC128US-8

00-5

00 Index and foreword

Table of contents

Failure code [CA331] Injector #2 (L #2) system open/short error .................................................. 40-100
Failure code [CA332] Injector #4 (L #4) system open/short error .................................................. 40-102
Failure code [CA351] Inj. drive circuit error .................................................................................... 40-104
Failure code [CA352] Sensor sup. 1 volt. low error........................................................................ 40-107
Failure code [CA386] Sensor sup. 1 volt. high error ...................................................................... 40-108
Failure code [CA435] Abnormality in engine oil pressure switch ................................................... 40-110
Failure code [CA441] Battery voltage low error.............................................................................. 40-111
Failure code [CA442] Battery voltage high error ............................................................................ 40-111
Failure code [CA449] Rail press. very high error ........................................................................... 40-112
Failure code [CA451] Rail press. sensor high error ....................................................................... 40-114
Failure code [CA452] Rail press. sensor low error......................................................................... 40-116
Failure code [CA553] Rail press. high error ................................................................................... 40-116
Failure code [CA559] Rail press. low error..................................................................................... 40-117
Failure code [CA689] Eng. Ne speed sensor error ........................................................................ 40-120
Failure code [CA731] Eng. Bkup speed sensor phase error .......................................................... 40-122
Failure code [CA757] All persistent data lost error......................................................................... 40-122
Failure code [CA778] Eng. Bkup speed sensor error..................................................................... 40-124
Failure code [CA1633] KOMNET datalink timeout error ................................................................ 40-126
Failure code [CA2185] Throttle sens. sup. volt. high error ............................................................. 40-128
Failure code [CA2186] Throttle sens. sup. volt. low error .............................................................. 40-130
Failure code [CA2249] Rail press. very low error........................................................................... 40-130
Failure code [CA2311] Abnormality in IMV solenoid ...................................................................... 40-131
Failure code [D110KB] Battery relay drive short ............................................................................ 40-132
Failure code [D19JKZ] Personal code relay abnormality ............................................................... 40-134
Failure code [D862KA] GPS antenna discon ................................................................................. 40-136
Failure code [DA22KK] Pump solenoid power low error ................................................................ 40-138
Failure code [DA25KP] 5V sensor 1 power abnormality ................................................................ 40-140
Failure code [DA26KP] 5V sensor 2 power abnormality ................................................................ 40-143
Failure code [DA2RMC] CAN discon (Pump controller detected) .................................................. 40-144
Failure code [DAF8KB] Short circuit in camera power supply........................................................ 40-146
Failure code [DAFGMC] GPS module error ................................................................................... 40-148
Failure code [DAFRMC] CAN discon (Monitor detected) ............................................................... 40-150
Failure code [DGH2KB] Hydr oil sensor short................................................................................ 40-152
Failure code [DHPAMA] Pump press sensor abnormality.............................................................. 40-154
Failure code [DHSFMA] Travel left forward PPC press sensor abnormality .................................. 40-156
Failure code [DHSGMA] Travel right forward PPC press sensor abnormality ............................... 40-158
Failure code [DHSHMA] Travel left reverse PPC press sensor abnormality.................................. 40-160
Failure code [DHSJMA] Travel right reverse PPC press sensor abnormality ................................ 40-162
Failure code [DHSKMA] Blade raise PPC press sensor abnormality............................................. 40-164
Failure code [DHSLMA] Blade lower PPC press sensor abnormality ............................................ 40-166
Failure code [DHX1MA] Overload sensor abnormality (Analog) .................................................... 40-168
Failure code [DV20KB] Travel alarm S/C....................................................................................... 40-169
Failure code [DW43KA] Travel speed sol discon ........................................................................... 40-170
Failure code [DW43KB] Travel speed sol short ............................................................................. 40-171
Failure code [DW45KA] Swing brake sol discon ............................................................................ 40-172
Failure code [DW45KB] Swing brake sol short .............................................................................. 40-174
Failure code [DW91KA] Travel junction sol discon ........................................................................ 40-176
Failure code [DW91KB] Travel junction sol short........................................................................... 40-177
Failure code [DWJ0KA] Merge-divider sol discon .......................................................................... 40-178
Failure code [DWJ0KB] Merge-divider sol short ............................................................................ 40-179
Failure code [DXA8KA] PC-EPC sol discon................................................................................... 40-180
Failure code [DXA8KB] PC-EPC sol short ..................................................................................... 40-182
Failure code [DXE4KA] Service current EPC discon ..................................................................... 40-184
Failure code [DXE4KB] Service current EPC short........................................................................ 40-185
Failure code [DY20KA] Wiper working abnormality ....................................................................... 40-186
Failure code [DY20MA] Wiper parking abnormality ....................................................................... 40-188

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Содержание PC128US-8

Страница 1: ...WEN00003 00 HYDRAULIC EXCAVATOR PC128US 8 SERIAL NUMBERS 20001 and up a Arm crane cannot be used on this machine...

Страница 2: ...Find manuals at https best manuals com Find manuals at https best manuals com...

Страница 3: ...US 8 00 1 HYDRAULIC EXCAVATOR 1SHOP MANUAL PC128US 8 Machine model Serial number PC128US 8 20001 and up 00 Index and foreword 1 Find manuals at https best manuals com Find manuals at https best manual...

Страница 4: ...01 3 Specification dimension drawing 01 3 Working range diagram 01 4 Specifications 01 5 Weight table 01 8 Table of fuel coolant and lubricants 01 10 10 Structure function and maintenance standard En...

Страница 5: ...5 Testing engine oil pressure 30 16 Handling fuel system parts 30 17 Releasing residual pressure from fuel system 30 17 Testing fuel pressure 30 18 Testing fuel return rate and fuel leakage 30 19 Blee...

Страница 6: ...40 65 Failure code AB00KE Charge voltage low 40 66 Failure code B BAZG Eng oil press low 40 68 Failure code B BAZK Eng oil level low 40 68 Failure code B BCNS Eng coolant overheat 40 69 Failure code B...

Страница 7: ...mality 40 140 Failure code DA26KP 5V sensor 2 power abnormality 40 143 Failure code DA2RMC CAN discon Pump controller detected 40 144 Failure code DAF8KB Short circuit in camera power supply 40 146 Fa...

Страница 8: ...232 E 21 Travel alarm does not sound or does not stop sounding 40 234 E 22 Air conditioner does not operate normally including air conditioner abnormality record 40 235 E 23 While starting switch is...

Страница 9: ...ating materials list 50 6 Special tool list 50 9 Sketch of special tool 50 13 Engine and cooling system 50 15 Removal and installation of fuel supply pump assembly 50 15 Removal and installation of fu...

Страница 10: ...0 Removal and Installation of operator s cab door 50 152 Removal and installation of operator s cab glass stuck glass 50 155 Removal and installation of front window assembly 50 164 Removal and instal...

Страница 11: ...peration always wear safety shoes and helmet Do not wear loose work clothes or clothes with buttons missing q Always wear safety glasses when hit ting parts with a hammer q Always wear safety glasses...

Страница 12: ...e slings which have ample capacity and install them to proper places Operate the hoist or crane slowly to prevent the component from hitting any other part Do not work with any part still raised by th...

Страница 13: ...ide hanging angle from the hook When hoisting a load with 2 or more ropes the force subjected to each rope will increase with the hanging angle The table below shows the variation of allow able load i...

Страница 14: ...hile the slung load is swinging 6 Do not raise or lower a load while the crane is moving longitudinally or laterally 7 Do not drag a sling 8 When lifting up a load stop it just after it leaves the gro...

Страница 15: ...ts in your eyes or contacts your skin you may lose your sight and your skin may be frozen Accordingly put on safety glasses safety gloves and safety clothes when recover ing or adding the refrigerant...

Страница 16: ...h part The standard values and judgement criteria for testing and adjusting are explained in Testing and adjusting 40 Troubleshooting This section explains how to find out failed parts and how to repa...

Страница 17: ...re indicated with International System of units SI For reference con ventionally used Gravitational System of units is indicated in parentheses Symbol Item Remarks k Safety Special safety precautions...

Страница 18: ...ize set temporarily is called the standard size and the range of differ ence from the standard size is called the tolerance q The tolerance with the symbols of or is indicated on the right side of the...

Страница 19: ...he interference is in the standard range 4 Repair limit and allowable value or allow able dimension q The size of a part changes because of wear and deformation while it is used The limit of changed s...

Страница 20: ...wiring harnesses are more likely to be affected by the direct effects of rain water heat or vibration Furthermore during inspection and repair operations they are frequently removed and installed aga...

Страница 21: ...at the same time if water does enter it is difficult for it to be drained Therefore if water should get into the connector the pins will be short circuited by the water so if any water gets in immedia...

Страница 22: ...ec tors apart a Never pull with one hand 2 When removing from clips q Both of the connector and clip have stoppers which are engaged with each other when the connector is installed q When removing a c...

Страница 23: ...make it too hot as this will cause short circuits a If there is any damage or break age replace the connector 2 Fix the connector securely Align the position of the connector correctly and then inser...

Страница 24: ...nection Right of figure 1 Push in female connector 2 horizon tally until the lock clicks Arrow 1 2 Since locks a and b may not be set completely push in female connector 2 while moving it up and down...

Страница 25: ...s the risk that oil in the air may cause defective contact so remove all oil and water from the com pressed air before blowing with air 2 Dry the inside of the connector with a dryer If water gets ins...

Страница 26: ...lding on the body disconnect all wiring harness con nectors connected to the controller Fit an arc welding ground close to the welding point 5 Points to remember when troubleshooting electric circuits...

Страница 27: ...o use unit exchange Disassembly and maintenance of hydraulic equipment should be carried out in a specially prepared dustproof workshop and the perfor mance should be checked with special test equipme...

Страница 28: ...t will mix with the new oil and will shorten the life of the hydraulic oil 6 Flushing operations After disassembling and assembling the equip ment or changing the oil use flushing oil to remove the co...

Страница 29: ...using NE 95 170 12V140 engines Ambient pressure sensor PAMB 125 170 12V140 engines Disconnect connector 1 according to the fol lowing procedure 1 Slide lock L1 to the right 2 While pressing lock L2 pu...

Страница 30: ...ut connector 3 in the direction of the arrow q 114 engine q 107 engine a If the lock is on the underside use flat head screwdriver 1 since you cannot insert your fingers 2 While pressing up lock C of...

Страница 31: ...onnector straight up 4 Turn housing type Round green connector q 140 engine Example Intake air pressure sensor in intake mani fold CANNON 04 PIM etc 1 Disconnect connector 6 according to the following...

Страница 32: ...of 0 85 Indicates color of wire by color code Color codes are shown in Table 3 Indicates size of wire by nominal No Size Nominal No is shown in Table 2 Indicates type of wire by symbol Type symbol and...

Страница 33: ...08 3 30 5 23 d approx 1 0 1 2 1 5 1 9 1 9 2 3 2 4 3 0 Cov er D AVS Standard 2 0 2 2 2 5 2 9 2 9 3 5 3 6 AV Standard 4 6 AEX Standard 2 0 2 2 2 7 3 0 3 1 3 8 4 6 Nominal No 8 15 20 30 40 50 60 85 100 C...

Страница 34: ...Red LW Blue White BrW Brown White LY Blue Yellow BrY Brown Yellow O Orange Ch Charcoal P Pink Dg Dark green R Red G Green RB Red Black GB Green Black RG Red Green GL Green Blue RL Red Blue Gr Gray RW...

Страница 35: ...ents be sure to use lifting equipment of ample strength q When using forcing screws to remove any components tighten the forcing screws uniformly in turn q Before removing any unit clean the surroundi...

Страница 36: ...mes stopping the cylinder 100 mm from the end of its stroke 3 Next operate the hydraulic cylinder 3 4 times to the end of its stroke 4 After doing this run the engine at normal speed a When using the...

Страница 37: ...ck and damage If any part is damaged replace it 2 Check the mounting bolts and nuts of the muffler exhaust pipe and their mounting parts for looseness If any bolt or nut is loosened retighten it 5 Che...

Страница 38: ...joint 2 into mating adapter 3 Fig 1 a The adapter can be pushed in about 3 5 mm a Do not hold rubber cap portion 4 2 After hose joint 2 is pushed into adapter 3 press rubber cap portion 4 against adap...

Страница 39: ...s contact surface a of the hexag onal portion at the male end Fig 6 2 While holding the condition of Step 1 turn lever 8 to the right clockwise Fig 7 3 While holding the condition of Steps 1 and 2 pul...

Страница 40: ...l portion at the male end Fig 10 2 While holding the condition of Step 1 push cover 10 straight until it contacts contact surface b of the hexagonal por tion at the male end Fig 11 3 While holding the...

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

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