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KOMATSU PC400-8 PC400LC-8 PC450-8 PC450LC-8 HYDRAULIC EXCAVATOR SERVICE REPAIR MANUAL – PDF Download

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  • KOMATSU PC400-8 PC400LC-8 PC450-8 PC450LC-8 HYDRAULIC EXCAVATOR SERVICE REPAIR MANUAL
  • PUBLICATION NUMBER:SEN02223-12
  • SERIAL NUMBERS:
    PC400- 70001 and up
    PC400LC- 70001 and up
    PC450- 70001 and up
    PC450LC- 70001 and up
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Description

KOMATSU PC400-8 PC400LC-8 PC450-8 PC450LC-8 HYDRAULIC EXCAVATOR SERVICE REPAIR MANUAL

KOMATSU PC400-8 PC400LC-8 PC450-8 PC450LC-8 HYDRAULIC EXCAVATOR SERVICE REPAIR MANUAL – PDF DOWNLOAD:

SCREENSHOTS OF THE MANUAL:

DESCRIPTION:

KOMATSU PC400-8 PC400LC-8 PC450-8 PC450LC-8 HYDRAULIC EXCAVATOR SERVICE REPAIR MANUAL

This shop manual contains the necessary technical information for services performed in a workshop. For ease of understanding, the manual is divided into the following sections.
00. Index and foreword
This section explains the shop manuals list, table of contents, safety, and basic information.
01. Specification
This section explains the specifications of the machine.
10. Structure, function and maintenance standard
This section explains the structure, function, and maintenance standard values of each component. The structure and function sub-section explains the structure and function of each component. It serves not only to give an understanding of the structure, but also serves as reference material for troubleshooting. The maintenance standard sub-section explains the criteria and remedies for disassembly and service.
20. Standard value table
This section explains the standard values for new machine and judgement criteria for testing, adjusting, and troubleshooting. This standard value table is used to check the standard values in testing and adjusting and to judge parts in troubleshooting.
30. Testing and adjusting
This section explains measuring instruments and measuring methods for testing and adjusting, and method of adjusting each 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 repair them. The troubleshooting is divided by failure modes. The “S mode” of the troubleshooting related to the engine may be also explained in the Chassis volume and Engine volume. In this case, see the Chassis volume.
50. Disassembly and assembly
This section explains the special tools and procedures for removing, installing, disassembling, and assembling each component, as well as precautions for them. In addition, tightening torque and quantity and weight of coating material, oil, grease, and coolant necessary for the work are alsov explained.
90. Diagrams and drawings (chassis volume)/Repair and replacement of parts (engine volume)
Chassis volume
This section gives hydraulic circuit diagrams and electrical circuit diagrams.
Engine volume
This section explains the method of reproducing, repairing, and replacing parts.

TABLE OF CONTENTS:

KOMATSU PC400-8 PC400LC-8 PC450-8 PC450LC-8 HYDRAULIC EXCAVATOR SERVICE REPAIR MANUAL

COVER
.......................................................................................   1
00 Index and foreword........................................................................   0
	Index....................................................................................   3
		Composition of shop manual...........................................................   4
		Table of contents....................................................................   6
	Foreword and general information.........................................................  15
		Safety notice........................................................................  16
		How to read the shop manual..........................................................  21
		Explanation of terms for maintenance standard........................................  23
		Handling of electric equipment and hydraulic component...............................  25
		Handling of connectors newly used for engines........................................  34
		How to read electric wire code.......................................................  37
		Precautions when carrying out operation..............................................  40
		Method of disassembling and connecting push-pull type coupler........................  43
		Standard tightening torque table.....................................................  46
		Conversion table.....................................................................  50
01 Specification.............................................................................   0
	Specification and technical data.........................................................  57
		Specification dimension drawings.....................................................  58
		Specifications.......................................................................  60
		Weight table.........................................................................  64
		Table of fuel, coolant and lubricants................................................  68
10 Structure, function and maintenance standard..............................................   0
	Engine and cooling system................................................................  71
		Engine related parts.................................................................  72
		Radiator, oil cooler and aftercooler.................................................  73
	Power train..............................................................................  75
		Power train..........................................................................  76
		Swing circle.........................................................................  77
		Swing machinery......................................................................  78
		Final drive..........................................................................  80
		Sprocket.............................................................................  82
	Undercarriage and frame..................................................................  85
		Track frame and recoil spring........................................................  86
		Idler................................................................................  88
		Carrier roller.......................................................................  90
		Track roller.........................................................................  91
		Track shoe...........................................................................  92
	Hydraulic system, Part 1.................................................................  97
		Hydraulic equipment layout drawing...................................................  98
		Hydraulic tank and filter............................................................ 100
		Hydraulic pump....................................................................... 102
	Hydraulic system, Part 2................................................................. 127
		Control valve........................................................................ 128
		CLSS................................................................................. 140
		Functions and operation by valve..................................................... 144
		Merge-divider valve.................................................................. 159
		Attachment circuit selector valve.................................................... 184
		Holding valve........................................................................ 186
	Hydraulic system, Part 3................................................................. 193
		Valve control........................................................................ 194
		PPC valve............................................................................ 196
		Solenoid valve....................................................................... 212
		PPC accumulator...................................................................... 214
		Return oil filter.................................................................... 215
		Center swivel joint.................................................................. 216
		Travel motor......................................................................... 217
		Swing motor.......................................................................... 229
		Hydraulic cylinder................................................................... 238
	Work equipment........................................................................... 241
		Work equipment....................................................................... 242
		Dimensions of components............................................................. 244
	Cab and its attachments.................................................................. 249
		Air conditioner piping............................................................... 250
	Electrical system........................................................................ 253
		Engine control....................................................................... 254
		Electrical control system............................................................ 265
		Monitor system....................................................................... 290
		Sensors.............................................................................. 317
		KOMTRAX terminal system.............................................................. 320
20 Standard value table......................................................................   0
	Standard service value table............................................................. 323
		Standard value table for engine...................................................... 324
		Standard value table for chassis related parts....................................... 325
		Standard value table for chassis related parts (Loading shovel specification)........ 334
30 Testing and adjusting.....................................................................   0
	Testing and adjusting, Part 1............................................................ 345
		Tools for testing, adjusting and troubleshooting..................................... 347
		Sketches of special tools............................................................ 351
		Testing engine speed................................................................. 352
		Testing air boost pressure........................................................... 353
		Testing exhaust temperature.......................................................... 354
		Testing exhaust gas color............................................................ 355
		Adjusting valve clearance............................................................ 356
		Testing compression pressure......................................................... 358
		Testing blow-by pressure............................................................. 360
		Testing engine oil pressure.......................................................... 361
		Testing EGR valve drive pressure..................................................... 362
		Handling fuel system parts........................................................... 363
		Releasing residual pressure from fuel system......................................... 363
		Testing fuel pressure................................................................ 364
		Handling during cylinder cut-out operation........................................... 365
		Handling during no injection cranking operation...................................... 365
		Testing fuel return and leakage...................................................... 366
		Bleeding air from fuel circuit....................................................... 369
		Checking fuel circuit for leakage.................................................... 371
		Checking and adjusting fan belt and alternator belt.................................. 372
		Checking and adjusting air conditioner compressor belt tension....................... 373
		Testing swing circle bearing clearance............................................... 374
		Checking and adjusting track shoe tension............................................ 375
		Testing and adjustment oil pressure in work equipment, swing, and travel circuits.... 376
		Testing control circuit basic pressure............................................... 380
		Checking and adjusting pump PC control circuit oil pressure.......................... 381
		Checking and adjusting pump LS control circuit oil pressure.......................... 384
		Testing solenoid valve output pressure............................................... 389
		Testing PPC valve output pressure.................................................... 392
		Adjusting play of work equipment and swing PPC valves................................ 394
		Inspecting locations of hydraulic drift of work equipment............................ 395
		Releasing residual pressure from hydraulic circuit................................... 397
		Testing oil leakage amount........................................................... 398
		Bleeding air from various parts...................................................... 401
	Testing and adjusting, Part 2............................................................ 405
		Special functions of machine monitor................................................. 406
	Testing and adjusting, Part 3............................................................ 461
		Handling voltage circuit of engine controller........................................ 462
		Preparation work for troubleshooting of electrical system............................ 463
		Procedure for testing diodes......................................................... 468
		Pm Clinic service.................................................................... 469
		Undercarriage troubleshooting report................................................. 476
40 Troubleshooting...........................................................................   0
	Failure code table and fuse locations.................................................... 479
		Failure code table................................................................... 480
		Fuse locations....................................................................... 483
	General Information on troubleshooting................................................... 489
		Points to remember when troubleshooting.............................................. 490
		Sequence of events in troubleshooting................................................ 491
		Check before troubleshooting......................................................... 492
		Classification and troubleshooting steps............................................. 493
		Information in troubleshooting table................................................. 494
		Possible problems and troubleshooting No............................................. 496
		Connection table for connector pin numbers........................................... 498
		T- branch box and T- branch adapter table............................................ 534
	Troubleshooting by failure code, Part 1.................................................. 539
		Failure code [989L00] Engine Controller Lock Caution 1............................... 541
		Failure code [989M00] Engine Controller Lock Caution 2............................... 542
		Failure code [989N00] Engine Controller Lock Caution 3............................... 543
		Failure code [AA10NX] Air cleaner Clogging........................................... 544
		Failure code [AB00KE] Charge Voltage Low............................................. 546
		Failure code [B@BAZG] Eng Oil Press Low.............................................. 548
		Failure code [B@BAZK] Eng Oil Level Low.............................................. 550
		Failure code [B@BCNS] Eng Water Overheat............................................. 552
		Failure code [B@BCZK] Eng Water Level Low............................................ 554
		Failure code [B@HANS] Hydr Oil Overheat.............................................. 556
		Failure code [CA111] EMC Critical Internal Failure................................... 557
		Failure code [CA115] Eng Ne and Bkup Speed Sens Error................................ 559
		Failure code [CA122] Chg Air Press Sensor High Error................................. 560
		Failure code [CA123] Chg Air Press Sensor Low Error.................................. 562
		Failure code [CA131] Throttle Sensor High Error...................................... 564
		Failure code [CA132] Throttle Sensor Low Error....................................... 566
		Failure code [CA135] Eng Oil Press Sensor High Error................................. 568
		Failure code [CA141] Eng Oil Press Sensor Low Error.................................. 570
		Failure code [CA144] Coolant Temp Sensor High Error.................................. 571
		Failure code [CA145] Coolant Temp Sensor Low Error................................... 573
		Failure code [CA153] Chg Air Temp Sensor High Error.................................. 575
		Failure code [CA154] Chg Air Temp Sensor Low Error................................... 577
		Failure code [CA187] Sens Supply 2 Volt Low Error.................................... 579
		Failure code [CA221] Ambient Press Sens High Error................................... 581
		Failure code [CA222] Ambient Press Sens Low Error.................................... 583
		Failure code [CA227] Sens Supply 2 Volt High Error................................... 585
		Failure code [CA234] Eng Overspeed................................................... 586
		Failure code [CA238] Ne Speed Sens Supply Volt Error................................. 587
		Failure code [CA263] Fuel Temp Sensor High Error..................................... 588
		Failure code [CA265] Fuel Temp Sensor Low Error...................................... 590
		Failure code [CA271] IMV/PCV1 Short Error............................................ 591
		Failure code [CA272] IMV/PCV1 Open Error............................................. 593
		Failure code [CA273] PCV2 Short Error................................................ 595
		Failure code [CA274] PCV2 Open Error................................................. 597
		Failure code [CA322] Inj #1 Open/Short Error......................................... 599
		Failure code [CA323] Inj #5 (L/B#5) Open/Short Error................................. 601
		Failure code [CA324] Inj #3 (L/B#3) Open/Short Error................................. 603
		Failure code [CA325] Inj #6 Open/Short Error......................................... 605
		Failure code [CA331] Inj #2 Open/Short Error......................................... 607
		Failure code [CA332] Inj #4 Open/Short Error......................................... 609
	Troubleshooting by failure code, Part 2.................................................. 613
		Failure code [CA342] Calibration Code Incompatibility................................ 615
		Failure code [CA351] Injectors Drive Circuit Error................................... 616
		Failure code [CA352] Sens Supply 1 Volt Low Error.................................... 618
		Failure code [CA386] Sens Supply 1 Volt High Error................................... 620
		Failure code [CA441] Battery Voltage Low Error....................................... 622
		Failure code [CA442] Battery Voltage High Error...................................... 624
		Failure code [CA449] Rail Press Very High Error...................................... 626
		Failure code [CA451] Rail Press Sensor High Error.................................... 629
		Failure code [CA452] Rail Press Sensor Low Error..................................... 631
		Failure code [CA553] Rail Press High Error........................................... 633
		Failure code [CA554] Rail Press Sensor In Range Error................................ 634
		Failure code [CA559] Rail Press Low Error............................................ 635
		Failure code [CA689] Eng Ne Speed Sensor Error....................................... 639
		Failure code [CA731] Eng Bkup Speed Sens Phase Error................................. 641
		Failure code [CA757] All Continuous Data Lost Error.................................. 642
		Failure code [CA778] Eng Bkup Speed Sensor Error..................................... 644
		Failure code [CA1228] EGR valve servo error 1........................................ 646
		Failure code [CA1625] EGR valve servo error 2........................................ 647
		Failure code [CA1633] KOMNET Datalink Timeout Error.................................. 648
		Failure code [CA2185] Throt Sens Sup Volt High Error................................. 650
		Failure code [CA2186] Throt Sens Sup Volt Low Error.................................. 652
		Failure code [CA2249] Rail Press Very Low Error...................................... 653
		Failure code [CA2271] EGR valve lift sensor high error............................... 654
		Failure code [CA2272] EGR valve lift sensor low error................................ 656
		Failure code [CA2351] EGR valve solenoid operation short circuit..................... 657
		Failure code [CA2352] EGR valve solenoid operation disconnect........................ 659
		Failure code [CA2555] Grid Htr Relay Volt Low Error.................................. 660
		Failure code [CA2556] Grid Htr Relay Volt High Error................................. 662
		Failure code [D110KB] Battery Relay Drive S/C........................................ 664
		Failure code [D19JKZ] Personal Code Relay Abnormality................................ 666
		Failure code [D862KA] GPS Antenna Discon............................................. 668
		Failure code [DA22KK] Pump Solenoid Power Low Error.................................. 669
		Failure code [DA25KP] 5V sensor power supply output 1 abnormality.................... 671
		Failure code [DA29KQ] Model Selection Abnormality.................................... 674
	Troubleshooting by failure code, Part 3.................................................. 677
		Failure code [DA2RMC] CAN Discon (Pump con detected)................................. 679
		Failure code [DAF8KB] Short circuit in camera power supply........................... 681
		Failure code [DAFGMC] GPS Module Error............................................... 683
		Failure code [DAFRMC] CAN discon (Monitor detected).................................. 684
		Failure code [DGH2KB] Hyd Oil Sensor Short........................................... 686
		Failure code [DHPAMA] F Pump Press Sensor Abnormality................................ 687
		Failure code [DHPBMA] R Pump Press Sensor Abnormality................................ 689
		Failure code [DHS3MA] Arm Curl PPC Press Sensor Abnormality.......................... 691
		Failure code [DHS4MA] Bucket Curl PPC Press Sensor Abnormality....................... 693
		Failure code [DHX1MA] Overload Sensor Abnormality (Analog)........................... 695
		Failure code [DW43KA] Travel Speed Sol. Open Circuit................................. 696
		Failure code [DW43KB] Travel Speed Sol. Short Circuit................................ 698
		Failure code [DW45KA] Swing Brake Sol. Open Circuit.................................. 700
		Failure code [DW45KB] Swing Brake Sol. Short Circuit................................. 702
		Failure code [DW91KA] Travel Junction Sol.Open Circuit............................... 704
		Failure code [DW91KB] Travel Junction Sol. Short Circuit............................. 706
		Failure code [DWA2KA] Attachment Sol Open Circuit.................................... 708
		Failure code [DWA2KB] Attachment Sol Short Circuit................................... 709
		Failure code [DWJ0KA] Merge-divider Sol. Open Circuit................................ 710
		Failure code [DWJ0KB] Merge-divider Sol. Short Circuit............................... 712
		Failure code [DWK0KA] 2-stage Relief Sol. Open Circuit............................... 714
		Failure code [DWK0KB] 2-stage Relief Sol. Short Circuit.............................. 716
		Failure code [DXA0KA] PC-EPC Sol. Open Circuit....................................... 718
		Failure code [DXA0KB] PC-EPC Sol. Short Circuit...................................... 720
		Failure code [DXE0KA] LS-EPC Sol. Open Circuit....................................... 722
		Failure code [DXE0KB] LS-EPC Sol. Short Circuit...................................... 724
		Failure code [DXE4KA] Service Current EPC Open Circuit............................... 726
		Failure code [DXE4KB] Service Current EPC Short Circuit.............................. 727
		Failure code [DY20KA] Wiper Working Abnormality...................................... 728
		Failure code [DY20MA] Wiper Parking Abnormality...................................... 730
		Failure code [DY2CKA] Washer Drive Open Discon....................................... 732
		Failure code [DY2CKB] Washer Drive Short Circuit..................................... 734
		Failure code [DY2DKB] Wiper Drive (Fwd) Short Circuit................................ 736
		Failure code [DY2EKB] Wiper Drive (Rev) Short Circuit................................ 738
	Troubleshooting of electrical system (E-mode)............................................ 741
		Before carrying out troubleshooting of electrical system............................. 744
		Information contained in troubleshooting table....................................... 746
		E-1 Engine does not start............................................................ 747
		E-2 Auto-decelerator does not operate................................................ 750
		E-3 Automatic warming-up system does not operate..................................... 752
		E-4 Preheater does not operate....................................................... 754
		E-5 All work equipment, swing, and travel mechanism do not move...................... 756
		E-6 Power maximizing function does not operate....................................... 758
		E-7 Machine monitor does not display at all.......................................... 760
		E-8 Machine monitor does not display some items...................................... 762
		E-9 Contents of display by machine monitor are different from applicable machine..... 762
		E-10 Fuel level monitor was lighted in red while engine running...................... 763
		E-11 Engine coolant temperature gauge does not indicate normally..................... 764
		E-12 Hydraulic oil temperature gauge does not indicate normally...................... 766
		E-13 Fuel level gauge does not indicate normally..................................... 767
		E-14 Swing lock monitor does not indicate normally................................... 768
		E-15 When monitor switch is operated, monitor displays nothing....................... 770
		E-16 Windshield wiper and window washer do not operate............................... 772
		E-17 Machine push-up function does not operate normally.............................. 776
		E-18 Monitoring function fails to display “boom raise” normally...................... 778
		E-19 Monitoring function fails to display “boom lower” normally...................... 780
		E-20 Monitoring function fails to display “arm IN” normally.......................... 782
		E-21 Monitoring function fails to display “arm OUT” normally......................... 784
		E-22 Monitoring function fails to display “bucket CURL” normally..................... 786
		E-23 Monitoring function fails to display “bucket DUMP” normally..................... 788
		E-24 Monitoring function fails to display “swing” normally........................... 790
		E-25 Monitoring function fails to display “travel” normally.......................... 792
		E-26 Monitoring function fails to display “travel differential pressure” normally.... 794
		E-27 Monitoring function fails to display “service” normally......................... 796
		E-28 KOMTRAX system does not operate normally........................................ 798
		E-29 Air conditioner does not operate................................................ 800
		E-30 Travel alarm does not sound or does not stop sounding........................... 802
		E-31 Horn does not sound............................................................. 804
	Troubleshooting of hydraulic and mechanical system (H-mode).............................. 807
		System chart for hydraulic and mechanical system..................................... 810
		Information contained in troubleshooting table....................................... 812
		H-1 All work equipment lack power, or travel and swing speeds are slow............... 814
		H-2 Engine speed sharply drops or engine stalls...................................... 816
		H-3 No work equipment, swing or travel move.......................................... 817
		H-4 Abnormal noise is heard from around hydraulic pump............................... 817
		H-5 Auto-decelerator does not work................................................... 818
		H-6 Fine control mode does not function or responds slow............................. 818
		H-7 Boom moves slowly or lacks power................................................. 819
		H-8 Arm moves slowly or lacks power.................................................. 820
		H-9 Bucket moves slowly or lacks power............................................... 821
		H-10 Work equipment does not move in its single operation............................ 821
		H-11 Work equipment has a bit too fast hydraulic drift............................... 822
		H-12 Work equipment has big time lag................................................. 824
		H-13 Other work equipment moves when relieving single circuit........................ 824
		H-14 Power max. switch does not operate.............................................. 824
		H-15 Machine push-up function does not operate....................................... 825
		H-16 In compound operation of work equipment, speed of part loaded more is low....... 826
		H-17 When machine swings and raises boom simultaneously, boom rising speed is low.... 826
		H-18 When machine swings and travels simultaneously, travel speed lowers largely..... 826
		H-19 Machine deviates during travel.................................................. 827
		H-20 Travel speed is low............................................................. 828
		H-21 Machine is not steered well or steering power is low............................ 829
		H-22 Travel speed does not change or travel speed is low or high..................... 830
		H-23 Travel system does not move (only one side)..................................... 831
		H-24 Upper structure does not swing.................................................. 832
		H-25 Swing acceleration or swing speed is low........................................ 834
		H-26 Upper structure overruns remarkably when it stops swinging...................... 836
		H-27 Large shock is made when upper structure stops swinging......................... 837
		H-28 Large sound is made when upper structure stops swinging......................... 837
		H-29 Hydraulic drift of swing is large............................................... 838
		H-30 Attachment circuit is not changed............................................... 839
		H-31 Oil flow in attachment circuit cannot be controlled............................. 839
	Troubleshooting of engine (S-mode)....................................................... 841
		Method of using troubleshooting chart................................................ 843
		S-1 Starting performance is poor..................................................... 846
		S-2 Engine does not start............................................................ 848
		S-3 Engine does not pick up smoothly................................................. 852
		S-4 Engine stops during operations................................................... 853
		S-5 Engine does not rotate smoothly.................................................. 854
		S-6 Engine lacks output (or lacks power)............................................. 855
		S-7 Exhaust smoke is black (incomplete combustion)................................... 856
		S-8 Oil consumption is excessive (or exhaust smoke is blue).......................... 857
		S-9 Oil becomes contaminated quickly................................................. 858
		S-10 Fuel consumption is excessive................................................... 859
		S-11 Oil is in coolant (or coolant spurts back or coolant level goes down)........... 860
		S-12 Oil pressure drops.............................................................. 861
		S-13 Oil level rises (Entry of coolant or fuel)...................................... 862
		S-14 Coolant temperature becomes too high (overheating).............................. 864
		S-15 Abnormal noise is made.......................................................... 865
		S-16 Vibration is excessive.......................................................... 866
50 Disassembly and assembly..................................................................   0
	General information on disassembly and assembly.......................................... 869
		How to read this manual.............................................................. 870
		Coating materials list............................................................... 872
		Special tool list.................................................................... 875
		Sketches of special tools............................................................ 878
	Engine and cooling system................................................................ 885
		Removal and installation of fuel supply pump assembly................................ 886
		Removal and installation of fuel injector assembly................................... 890
		Removal and installation of engine front seal........................................ 896
		Removal and installation of engine rear seal......................................... 899
		Removal and installation of cylinder head assembly................................... 904
		Removal and installation of radiator assembly........................................ 913
		Removal and installation of hydraulic oil cooler assembly............................ 915
		Removal and installation of aftercooler assembly..................................... 917
		Removal and installation of engine and hydraulic oil pump assembly................... 918
	Power train.............................................................................. 927
		Removal and installation of travel motor and final drive assembly.................... 928
		Disassembly and assembly of final drive assembly..................................... 929
		Removal and installation of swing motor and swing machinery assembly................. 937
		Disassembly and assembly of swing motor and swing machinery assembly................. 938
		Removal and installation of swing circle assembly.................................... 945
	Undercarriage and frame.................................................................. 947
		Disassembly and assembly of carrier roller assembly.................................. 948
		Disassembly and assembly of track roller assembly.................................... 950
		Disassembly and assembly of idler assembly........................................... 951
		Disassembly and assembly of recoil spring assembly................................... 954
		Removal and installation of sprocket................................................. 956
		Expansion and installation of track shoe assembly.................................... 957
		Removal and installation of revolving frame assembly................................. 959
		Removal and installation of counterweight assembly................................... 962
	Hydraulic system......................................................................... 967
		Removal and installation of center swivel joint assembly............................. 968
		Disassembly and assembly of center swivel joint assembly............................. 970
		Removal and installation of hydraulic tank assembly.................................. 971
		Removal and installation of control valve assembly................................... 973
		Disassembly and assembly of control valve assembly................................... 976
		Removal and installation of hydraulic pump assembly.................................. 980
		Removal and installation of oil seal in hydraulic pump input shaft................... 983
		Disassembly and assembly of work equipment PPC valve assembly........................ 984
		Disassembly and assembly of travel PPC valve assembly................................ 986
		Disassembly and assembly of hydraulic cylinder assembly.............................. 989
	Work equipment........................................................................... 997
		Removal and installation of work equipment assembly.................................. 998
	Cab and its attachments..................................................................1003
		Removal and installation of operator cab assembly....................................1004
		Removal and installation of operator cab glass (stuck glass).........................1007
		Removal and installation of front window assembly....................................1017
		Removal and installation of floor frame assembly.....................................1024
	Electrical system........................................................................1029
		Removal and installation of air conditioner unit assembly............................1030
		Removal and installation of KOMTRAX communication modem assembly.....................1033
		Removal and installation of monitor assembly.........................................1034
		Removal and installation of pump controller assembly.................................1036
		Removal and installation of engine controller........................................1038
90 Diagrams and drawings.....................................................................   0
	Hydraulic diagrams and drawings..........................................................1041
		Hydraulic circuit diagram............................................................1043
	Electrical diagrams and drawings.........................................................1046
		Electrical circuit diagram...........................................................1048
		Connector list and stereogram........................................................1053

PLEASE NOTE:

⦁ This is the SAME manual used by the dealers to troubleshoot any faults in your vehicle. This can be yours in 2 minutes after the payment is made.
⦁ Contact us at [email protected] should you have any queries before your purchase or that you need any other service / repair / parts operators manual.

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