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FILE DETAILS:
Komatsu PC290LC-7K, PC290NLC-7K Hydraulic Excavator Operation & Maintenance Manual
File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
Product Code : UEAM004000
Total Pages : 321
DESCRIPTION:
Komatsu PC290LC-7K, PC290NLC-7K Hydraulic Excavator Operation & Maintenance Manual
FOREWORD:
TABLE OF CONTENTS:
Komatsu PC290LC-7K, PC290NLC-7K Hydraulic Excavator Operation & Maintenance Manual
PC200-7_Sec01.pdf............................................................................................... 0
PC240LC-7K, PC240NLC-7K..................................................................................... 10
DIMENSIONS.................................................................................................. 10
WORKING RANGES.............................................................................................. 10
DIMENSIONS.................................................................................................. 11
Working ranges.............................................................................................. 11
PC240LC-7K, PC240NLC-7K..................................................................................... 14
SPECIFICATION DIMENSION DRAWINGS............................................................................ 8
PC210-7K, PC210LC-7K, PC210NLC-7K....................................................................... 8
DIMENSIONS.............................................................................................. 8
WORKING RANGES.......................................................................................... 8
DIMENSIONS.............................................................................................. 9
Working ranges.......................................................................................... 9
SPECIFICATIONS.............................................................................................. 12
PC210-7K, PC210LC-7K, PC210NLC-7K....................................................................... 12
WEIGHT TABLE................................................................................................ 16
pc210-7K, pc210lc-7K, PC210NLC-7K....................................................................... 16
pc240LC-7K, pc240Nlc-7K................................................................................. 18
FUEL, COOLANT, AND LUBRICANTs............................................................................... 20
PC200-7_Sec10.pdf............................................................................................... 0
ENGINE RELATED PARTS........................................................................................ 22
RADIATOR • OIL COOLER • AFTERCOOLER......................................................................... 23
POWER TRAIN................................................................................................. 24
This page left intentionally blank...................................................................... 25
FINAL DRIVE................................................................................................. 26
SWING MACHINERY............................................................................................. 28
PC210-7K, PC210LC-7K, PC210NLC-7K....................................................................... 28
SWING CIRCLE................................................................................................ 32
PC210-7K, PC210LC-7K, PC210NLC-7K....................................................................... 32
PC240LC-7K, PC240NLC-7K................................................................................. 33
TRACK FRAME • RECOIL SPRING................................................................................. 34
IDLER....................................................................................................... 36
CARRIER ROLLER.............................................................................................. 38
TRACK ROLLER................................................................................................ 39
TRACK SHOE.................................................................................................. 40
TRIPLE GROUSER SHOE, ROAD LINER, SWAMP SHOE, FLAT SHOE.................................................. 40
TRIPLE GROUSER SHOE..................................................................................... 43
SWAMP SHOE.............................................................................................. 43
hydraulic equipment layout drawing.......................................................................... 44
HYDRAULIC TANK.............................................................................................. 46
This page left intentionally blank...................................................................... 47
HYDRAULIC PUMP.............................................................................................. 48
HPV95 + 95(PC210/LC/NLC-7K)............................................................................. 48
HPV95 + 95(PC240LC/NLC-7K).............................................................................. 50
LS VALVE................................................................................................ 55
PC VALVE................................................................................................ 55
LS(pc)-EPC VALVE........................................................................................ 68
This page left intentionally blank...................................................................... 71
CONTROL VALVE............................................................................................... 72
pc210-7K, pc210lc-7K, PC210NLC-7K....................................................................... 73
This page left intentionally blank...................................................................... 82
CONTROL VALVE............................................................................................... 88
pc240LC-7K, pc240Nlc-7K................................................................................. 88
This page left intentionally blank...................................................................... 97
MAIN RELIEF VALVE (PC210/LC/NLC-7K).....................................................................107
Function............................................................................................107
MAIN RELIEF VALVE (PC240LC/NLC-7K)......................................................................108
Variable pressure compensation valve....................................................................109
CLSS........................................................................................................111
OUTLINE OF CLSS.........................................................................................111
SWING MOTOR.................................................................................................112
REVERSE PREVENTION VALVE....................................................................................117
CENTER SWIVEL JOINT.........................................................................................119
TRAVEL MOTOR................................................................................................120
TRAVEL JUNCTION VALVE.......................................................................................130
TRAVEL PPC SHUTTLE VALVE....................................................................................132
VALVE CONTROL...............................................................................................134
WORK EQUIPMENT • SWING PPC VALVE............................................................................136
TRAVEL PPC VALVE............................................................................................140
SERVICE PPC VALVE...........................................................................................149
SOLENOID VALVE..............................................................................................152
PPC ACCUMULATOR.............................................................................................154
return oil filter...........................................................................................155
For Breaker.............................................................................................155
BOOM HYDRAULIC DRIFT PREVENTION VALVE.......................................................................156
LIFT CHECK VALVE............................................................................................161
attachment circuit selector valve...........................................................................162
HYDRAULIC CYLINDER..........................................................................................164
pc210-7K, pc210lc-7K, PC210NLC-7K.......................................................................164
BOOM CYLINDER.......................................................................................164
ARM CYLINDER........................................................................................164
BUCKET CYLINDER.....................................................................................164
pc240LC-7K, pc240Nlc-7K.................................................................................166
BOOM CYLINDER.......................................................................................166
ARM CYLINDER........................................................................................166
BUCKET CYLINDER.....................................................................................166
work equipment..............................................................................................168
Pc210-7K, pc210lc-7K, PC210NLC-7K.......................................................................169
Pc240LC-7K, pc240Nlc-7K.................................................................................170
This page left intentionally blank......................................................................171
1. DIMENSION OF ARM.....................................................................................172
2. Dimension of bucket..................................................................................176
air conditioner.............................................................................................178
air conditioner piping..................................................................................178
ENGINE CONTROL..............................................................................................179
Governor motor..........................................................................................183
This page left intentionally blank......................................................................184
Engine throttle and pump controller.................................................................185
This page left intentionally blank......................................................................187
ELECTRONIC CONTROL SYSTEM...................................................................................188
This page left intentionally blank......................................................................189
machine control system diagram..........................................................................190
This page left intentionally blank......................................................................213
mULTI MONITOR SYSTEM........................................................................................214
SENSOR......................................................................................................237
PC240LC-7K, PC240NLC-7K................................................................................. 30
SELF PRESSURE REDUCING VALVE................................................................................103
20-001.pdf...................................................................................................... 0
STANDARD VALUE TABLE FOR ENGINE RELATED PARTS...............................................................242
STANDARD VALUE TABLE FOR CHASSIS RELATED PARTS..............................................................243
Flow control characteristic of PC valve (STD)...........................................................256
20_101.pdf...................................................................................................... 0
INSPECTION AND ADJUSTMENT OF ENGINE RPM.....................................................................258
MEASUREMENT OF EXHAUST GAS COLOR............................................................................260
ADJUSTMENT OF VALVE CLEARANCE...............................................................................261
MEASUREMENT OF COMPRESSION PRESSURE.........................................................................263
MEASUREMENT OF BLOW-BY PRESSURE.............................................................................264
INSPECTION AND ADJUSTMENT OF FUEL INJECTION TIMING..........................................................265
MEASUREMENT OF ENGINE OIL PRESSURE..........................................................................267
ADJUSTMENT OF ENGINE SPEED SENSOR...........................................................................268
INSPECTION AND ADJUSTMENT OF AIR COMPRESSOR BELT TENSION....................................................268
EMERGENT ESCAPE FROM FAILURE IN ENGINE CONTROL SYSTEM.......................................................269
MEASUREMENT OF CLEARANCE IN SWING CIRCLE BEARINGS...........................................................270
INSPECTION AND ADJUSTMENT OF TRACK SHOE TENSION.............................................................271
INSPECTION AND ADJUSTMENT OF HYDRAULIC OIL PRESSURE IN HYDRAULIC CIRCUIT FOR WORK EQUIPMENT, SWIN...........272
INSPECTION AND ADJUSTMENT OF CONTROL CIRCUIT OIL PRESSURE...................................................276
INSPECTION AND ADJUSTMENT OF PUMP PC CONTROL CIRCUIT OIL PRESSURE(PC240LC/NLC)..............................277
iNSPECTION AND ADJUSTMENT OF PUMP PC CONTROL CIRCUIT OIL PRESSURE(PC210/LC/NLC).............................280
INSPECTION AND ADJUSTMENT OF PUMP LS CONTROL CIRCUIT OIL PRESSURE(pc240lc/nlc)..............................283
INSPECTION AND ADJUSTMENT OF PUMP LS CONTROL CIRCUIT OIL PRESSURE(pc210/lc/nlc).............................287
MEASUREMENT OF SOLENOID VALVE OUTPUT PRESSURE...............................................................291
MEASUREMENT OF PPC VALVE OUTPUT PRESSURE....................................................................294
ADJUSTMENT OF WORK EQUIPMENT AND SWING PPC VALVE............................................................295
INSPECTION OF LOCATIONS OF HYDRAULIC DRIFT OF WORK EQUIPMENT................................................296
RELEASE OF REMAINING PRESSURE IN HYDRAULIC CIRCUIT..........................................................297
MEASUREMENT OF OIL LEAKAGE AMOUNT...........................................................................298
AIR BLEEDING OF VARIOUS PARTS...............................................................................300
INSPECTION PROCEDURES FOR DIODE.............................................................................302
SPECIAL FUNCTION OF MULTI-MONITOR PANEL.....................................................................303
Operation of Operator's Menu and Display (Outline)......................................................305
Table for Service and Failure Code Nos..................................................................310
Operation and Display of Service Menu...................................................................312
Table for Monitoring Items..............................................................................315
PREPARATIONS FOR TROUBLESHOOTING ELECTRICAL SYSTEM..........................................................327
Engine (PC240LC, 240NLC)................................................................................ 0
20_201.pdf...................................................................................................... 0
POINTS TO REMEMBER WHEN TROUBLESHOOTING.....................................................................340
SEQUENCE OF EVENTS IN TROUBLESHOOTING.......................................................................341
POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE............................................................342
CHECKS BEFORE TROUBLESHOOTING...............................................................................350
CLASSIFICATION AND STEPS FOR TROUBLESHOOTING................................................................351
Classification of troubleshooting.......................................................................351
Steps for troubleshooting...............................................................................351
Failure-looking Phenomenon and Troubleshooting No.......................................................352
CONNECTOR LOCATION CHART AND ELECTRICAL CIRCUIT DIAGRAM BY SYSTEM...........................................356
Connector table.........................................................................................356
CONNECTOR LOCATION STEREOGRAM...........................................................................362
Monitor Panel System Circuit Diagram (M Circuit)........................................................368
Governor Control System Circuit Diagram (G Circuit) of Governor•Pump Controller.........................370
Pump Control System Circuit Diagram (P Circuit) of Governor•Pump Controller.............................372
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS..................................................................374
20_301.pdf...................................................................................................... 0
INFORMATION CONTAINED IN TROUBLESHOOTING TABLE..............................................................395
Service Code in Electrical System (Abnormal data in Error History)......................................391
Service Code in Electrical System (Short-circuiting in normal rotation system of windshield wiper.......404
Service Code in Electrical System (Short-circuiting in reverse rotation system of windshield wipe.......406
Service Code in Electrical System (Short-circuiting in window washer drive system)......................408
Service Code in Electrical System (Abnormal Windshield Wiper Motion)....................................410
Service Code in Electrical System (Abnormality in retracting windshield wiper)..........................412
Service Code in Electrical System (Short-circuiting in travel interlocking solenoid)....................310
Service Code in Electrical System (Short-circuiting in swing and parking brake solenoid - in gove.......416
Service Code in Electrical System (Short-circuiting in merge/divide solenoid)...........................418
Service Code in Electrical System (Short-circuiting in 2-stage relief solenoid).........................420
Service Code in Electrical System (Short-circuiting in travel speed shifting solenoid)..................422
Service Code in Electrical System (Disconnection in travel interlocking solenoid).......................424
Service Code in Electrical System (Disconnection in Swing Parking Brake Solenoid).......................426
Service Code in Electrical System (Disconnection of merge/divide solenoid)..............................428
Service Code in Electrical System (Disconnection in 2-stage relief solenoid)............................430
Service Code in Electrical System (Disconnection in travel speed shifting solenoid).....................432
Service Code in Electrical System (Abnormality in inputting model code).................................388
Service Code in Electrical System Disconnection of S-NET signal)........................................325
Service Code in Electrical System (Short-circuiting in LS-EPC solenoid).................................440
Service Code in Electrical System (Disconnection in LS-EPC solenoid system).............................262
Service Code in Electrical System (Abnormality in F pump pressure sensor)...............................442
Service Code in Electrical System (Abnormality in R pump pressure sensor)...............................444
Service Code in Electrical System (Abnormality in Pressure sensor power source).........................446
Service Code in Electrical System (Abnormality in engine rotation sensor in governor • pump contr.......448
Service Code in Electrical System (Short-circuiting in attachment return switching relay)...............449
Service Code in Electrical System (Short-circuiting in PC-EPC Solenoid..................................450
Service Code in Electrical System (Disconnection in PC-EPC solenoid system).............................452
Service Code in Electrical System (Disconnection in attachment return switching relay)..................454
Service Code in Electrical Equipment (Short-circuiting in attachment oil flow rate adjusting EPC).......456
Service Code in Electrical System (Disconnection in attachment oil flow rate adjusting EPC) (Mult.......457
Service Code in Electrical System (Incorrect nonvolatile memory data)...................................458
Service Code in Electrical System (Abnormality in governor potentiometer)...............................460
Service Code in Electrical System (Abnormality in fuel dial)............................................462
Service Code in Electrical System (Short-circuiting in battery relay)...................................464
Service Code in Electrical System (Step-out in governor motor)..........................................466
Service Code in Electrical System (Disconnection in governor motor Phase A and B).......................468
Service Code in Electrical System (Short-circuiting in governor motor Phase A and Phase B)..............361
Service Code in Electrical System ("Model Selection" function not provided yet).........................472
Service Mode in Electrical System (Model selecting signal fault)........................................473
Failure Code in Mechanical System (Out-of-rate engine rotation at high idling)..........................357
Failure Code in Mechanical System A000N2 (Out-of-rate engine rotation at low idling)....................358
Failure Code in Mechanical System (Air cleaner clogging)................................................475
Failure Code in Mechanical System (Abnormally lowered charging voltage).................................476
Failure Code in Mechanical System (Abnormally lowered engine oil pressure)..............................478
Failure Code in Mechanical System (Abnormally lowered engine oil level).................................479
Failure Code in Mechanical System (Engine cooling water overheating)....................................480
Failure Code in Mechanical System (Abnormally lowered radiator water level).............................481
Failure Code in Mechanical System (Hydraulic oil overheating)...........................................482
20_501.pdf...................................................................................................... 0
INFORMATION CONTAINED IN TROUBLESHOOTING TABLE..............................................................408
Relative Electrical Circuit Diagram.....................................................................484
E-1 Engine does not start (Engine does not rotate)......................................................485
Electrical Circuit Diagram for Engine Start, Stop and Battery Charging..............................487
E-2 Engine stops while in operation.....................................................................310
Electrical Circuit Diagram for Fuel Dial............................................................488
E-3 Engine speed is irregular, or there is hunting......................................................489
Electrical Circuit Diagram for Engine Start and Stop and Battery Charging...........................312
E-4 Engine does not stop................................................................................491
Electrical Circuit Diagram for Engine Start and Stop and Battery Charging...........................492
E-5 Auto-decelerator does not work......................................................................493
E-6 Auto engine warm-up device does not work............................................................494
E-7 Preheater does not work.............................................................................495
Electrical Circuit Diagram for Engine Preheater.....................................................496
E-8 All work equipment, swing and travel do not move....................................................497
Electrical Circuit Diagram for PPC Lock Solenoid....................................................498
E-9 One-touch Power Max Switch does not work............................................................499
Electric Circuit Diagram for One-Touch Power Max. Switch............................................499
E-10 No display in monitor panel at all.................................................................500
Electrical Circuit Diagram for Power Source in Monitor Panel........................................500
E-11 Part of display on monitor panel is missing........................................................501
E-12 Monitor panel displays contents irrelevant to the model............................................440
E-13 Fuel level monitor red lamp lights up while engine is running......................................502
Electrical Circuit Diagram for Fuel Level Sensor....................................................502
E-14 Engine cooling water temperature gauge does not indicate correctly.................................503
Electrical Circuit Diagram for Engine Cooling Water Temperature Sensor..............................503
E-15 Hydraulic oil temperature gauge does not display correctly.........................................504
Electrical Circuit Diagram for Hydraulic Oil Temperature Sensor.....................................504
E-16 Fuel gauge does not display correctly..............................................................505
Electrical Circuit Diagram for Fuel Level Sensor....................................................505
E-17 Swing lock monitor does not display correctly......................................................506
Electrical Circuit Diagram for Swing Lock Switch....................................................272
E-18 When the monitor switch is operated, no display appears............................................508
E-19 Windshield wiper does not work.....................................................................509
Electrical Circuit Diagram for Windshield Wiper Motor...............................................510
E-20 Alarming buzzer cannot be cancelled................................................................511
Electrical Circuit Diagram for Alarming Buzzer Cancellation Switch..................................511
E-21 "Boom RAISE" is not correctly displayed in monitor function........................................512
Electrical Circuit Diagram for Boom RAISE PPC Hydraulic Switch......................................306
E-22 "Boom LOWER" is not correctly displayed in monitor function........................................513
Electrical Circuit Diagram for Boom LOWER PPC Hydraulic Switch......................................513
E-23 "Arm DIGGING" is not correctly displayed in monitor function.......................................514
Electrical Circuit Diagram for Arm DIGGING PPC Hydraulic Switch.....................................514
E-24 "Arm DUMPING" is not correctly displayed in monitor function.......................................515
Electrical Circuit Diagram for Arm DUMPING PPC Hydraulic Switch.....................................515
E-25 "Bucket DIGGING" is not correctly displayed in monitor function....................................516
Electrical Circuit Diagram for Bucket DIGGING PPC hydraulic Switch..................................516
E-26 "Bucket DUMPING" is not correctly displayed in monitor function....................................517
Electrical Circuit Diagram for Bucket DUMPING PPC hydraulic Switch..................................353
E-27 "SWING" is not correctly displayed in monitor function.............................................518
Electrical Circuit Diagram for Right and Left Swing PPC hydraulic Switches..........................519
E-28 "TRAVEL" is not correctly displayed in monitor function............................................520
Electrical Circuit Diagram for Travel PPC hydraulic Switch and Travel Alarm.........................521
E-29 "Travel Differential Pressure" is not correctly displayed in monitor function......................522
Electrical Circuit Diagram for Travel and Steering PPC hydraulic Switch.............................523
E-30 "Service" is not correctly displayed in monitor function...........................................524
Electrical Circuit Diagram for Service PPC hydraulic Switch.........................................525
E-31 Air Conditioner does not work......................................................................526
Electrical Circuit Diagram for Air Conditioner......................................................526
E-32 Travel alarm does not sound........................................................................527
Electrical Circuit Diagram for Travel PPC Hydraulic Switch and Travel Alarm.........................528
20_601.pdf...................................................................................................... 0
SYSTEM CHART FOR HYDRAULIC AND MECHANICAL SYSTEMS...........................................................530
INFORMATION CONTAINED IN TROUBLESHOOTING TABLE..............................................................532
H-1 All work equipment lack power, or travel and swing speeds are slow..................................533
H-2 Engine speed sharply drops or engine stalls.........................................................534
H-3 No work equipment, travel or swing move.............................................................535
H-4 Abnormal noise is heard from around hydraulic pump..................................................535
H-5 Auto-decelerator does not work......................................................................536
H-6 Fine control mode does not function.................................................................536
H-7 Boom moves slowly or lacks power....................................................................537
H-8 Arm moves slowly or lacks power.....................................................................538
H-9 Bucket moves slowly or lacks power..................................................................539
H-10 Work equipment does not move in its single operation...............................................539
H-11 Work equipment has a bit too fast hydraulic drift..................................................540
H-12 Work equipment has big time lag....................................................................541
H-13 Other work equipment moves when relieving single circuit...........................................541
H-14 One-touch power max. switch does not operate.......................................................485
H-15 In compound operation, work equipment with larger load moves slowly................................542
H-16 In swing + boom RAISE operation, boom moves slowly.................................................542
H-17 In swing + travel, travel speed drops sharply......................................................542
H-18 Machine swerves in travel..........................................................................543
H-19 Machine travels slowly.............................................................................544
H-20 Machine cannot be easily steered or lacks power....................................................310
H-21 Travel speed does not shift, or it is too slow or fast.............................................489
H-22 Track shoe does not turn (on one side only)........................................................547
H-23 Machine does not swing.............................................................................548
H-24 Swing acceleration is poor, or swing speed is slow.................................................549
H-25 Excessive overrun when stopping swing..............................................................550
H-26 There is big shock when stopping swing.............................................................551
H-27 There is big abnormal noise caused when stopping swing.............................................551
H-28 Swing natural drift is too big.....................................................................315
Sec 30.pdf...................................................................................................... 0
HOW TO READ THIS MANUAL.....................................................................................555
REMOVAL AND INSTALLATION OF ASSEMBLIES..................................................................555
DisassemblY and assemblY OF assemblIES..................................................................556
PRECAUTIONS WHEN PERFORMING OPERATION.......................................................................557
STARTING MOTOR ASSEMBLY.....................................................................................559
REMOVAL.................................................................................................559
INSTALLATION............................................................................................559
FUEL INJECTION PUMP ASSEMBLY................................................................................560
ENGINE FRONT SEAL...........................................................................................564
ENGINE REAR SEAL............................................................................................566
CYLINDER HEAD ASSEMBLY......................................................................................568
RADIATOR ASSEMBLY...........................................................................................574
HYDRAULIC OIL COOLER ASSEMBLY...............................................................................576
ENGINE AND HYDRAULIC PUMP ASSEMBLIES........................................................................578
FINAL DRIVE ASSEMBLY........................................................................................584
FINAL DRIVE ASSEMBLY........................................................................................585
SKETCHES OF SPECIAL TOOLS...................................................................................592
SWING MOTOR AND SWING MACHINERY ASSEMBLY....................................................................593
SWING MOTOR AND SWING MACHINERY ASSEMBLY....................................................................594
CARRIER ROLLER ASSEMBLY.....................................................................................601
TRACK ROLLER ASSEMBLY.......................................................................................602
IDLER ASSEMBLY..............................................................................................603
RECOIL SPRING ASSEMBLY......................................................................................606
SPROCKET....................................................................................................608
TRACK SHOE ASSEMBLY.........................................................................................609
REMOVAL AND EXPANSION OF TRACK SHOE ASSEMBLY (IRON).....................................................609
REMOVal AND EXPANsion OF ROAD LINERS....................................................................611
INSTALLation OF ROAD LINERS.............................................................................612
SWING CIRCLE................................................................................................613
ASSEMBLY....................................................................................................613
REVOLVING FRAME ASSEMBLY....................................................................................614
CENTER SWIVEL JOINT ASSEMBLY................................................................................616
CENTER SWIVEL JOINT ASSEMBLY................................................................................618
HYDRAULIC TANK ASSEMBLY.....................................................................................619
CONTROL VALVE ASSEMBLY......................................................................................621
CONTROL VALVE ASSEMBLY......................................................................................624
HYDRAULIC PUMP ASSEMBLY.....................................................................................627
OIL SEAL IN HYDRAULIC PUMP INPUT SHAFT......................................................................630
WORK EQUIPMENT PPC VALVE ASSEMBLY...........................................................................631
TRAVEL PPC VALVE ASSEMBLY...................................................................................632
HYDRAULIC CYLINDER ASSEMBLY.................................................................................633
WORK EQUIPMENT ASSEMBLY.....................................................................................639
AIR CONDITIONER UNIT ASSEMBLY...............................................................................642
COUNTERWEIGHT ASSEMBLY......................................................................................645
OPERATOR’S CAB ASSEMBLY.....................................................................................646
MONITOR ASSEMBLY............................................................................................648
GOVERNOR PUMP CONTROLLER ASSEMBLY...........................................................................649
PC200-7_Sec90.pdf............................................................................................... 0
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PC200-7_Sec90_Body.pdf.......................................................................................... 0
hydraulic circuit diagram (1/2).............................................................................653
PC210-7K, PC210LC-7K, pc210nlc-7K.......................................................................653
This page left intentionally blank......................................................................654
hydraulic circuit diagram (2/2).............................................................................655
PC210-7K, PC210lc-7K, PC210nLC-7K.......................................................................655
This page left intentionally blank......................................................................656
HYDRAULIC diagram (1/1).....................................................................................657
pc240lc-7K, pc240nlc-7K.................................................................................657
This page left intentionally blank......................................................................658
electrical circuit diagram (1/4)............................................................................659
for multi monitor.......................................................................................659
pc210-7K, pc210lc-7K, pc210nlc-7K.......................................................................659
pc240lc-7K, pc240nlc-7K.................................................................................659
This page left intentionally blank......................................................................660
electrical circuit diagram (2/4)............................................................................661
for multi monitor.......................................................................................661
This page left intentionally blank......................................................................662
electrical circuit diagram (3/4)............................................................................663
for multi monitor.......................................................................................663
This page left intentionally blank......................................................................664
electrical circuit diagram (4/4)............................................................................665
for multi monitor.......................................................................................665
This page left intentionally blank......................................................................666
electrical circuit diagram for air conditioner..............................................................667
This page left intentionally blank......................................................................668
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