00 Index and foreword SEN00093-20
PC200, 220-8
5
Travel PPC valve..................................................................................................................... 31
Service PPC valve (with EPC valve) ....................................................................................... 40
Service PPC valve................................................................................................................... 46
Valve control ............................................................................................................................ 48
Solenoid valve ......................................................................................................................... 50
PPC accumulator..................................................................................................................... 52
Anti-drop valve for boom ......................................................................................................... 54
Anti-drop valve for arm ............................................................................................................ 60
Return oil filter ......................................................................................................................... 67
Attachment circuit selector valve ............................................................................................. 68
Hydraulic cylinder .................................................................................................................... 70
Work equipment SEN00101-01
Work equipment ...................................................................................................................... 2
Dimensions of arm................................................................................................................... 13
Dimensions of bucket .............................................................................................................. 15
Cab and its attachments SEN00102-01
Air conditioner piping............................................................................................................... 2
Electrical system SEN00103-05
Engine control.......................................................................................................................... 2
Electrical control system.......................................................................................................... 10
Monitor system ........................................................................................................................ 33
Sensor ..................................................................................................................................... 60
KOMTRAX system ..................................................................................................................63
20 Standard value table
Standard service value table SEN00227-03
Standard value table for engine related parts.......................................................................... 2
Standard value table for chassis related parts......................................................................... 4
30 Testing and adjusting
Testing and adjusting, Part 1 SEN00228-06
Tools for testing, adjusting, and troubleshooting ..................................................................... 3
Sketch of special tool............................................................................................................... 6
Testing engine speed............................................................................................................... 7
Testing intake air pressure (boost pressure) ........................................................................... 8
Testing exhaust gas color........................................................................................................ 9
Adjusting valve clearance........................................................................................................ 10
Testing compression pressure................................................................................................. 12
Testing blow-by pressure......................................................................................................... 13
Testing engine oil pressure...................................................................................................... 14
Handling fuel system parts ......................................................................................................15
Releasing residual pressure from fuel system......................................................................... 15
Testing fuel pressure ............................................................................................................... 16
Testing fuel delivery, return and leak amount .......................................................................... 19
Bleeding air from fuel circuit .................................................................................................... 22
Checking fuel circuit for leakage.............................................................................................. 23
Checking and adjusting air conditioner compressor belt tension ............................................ 24
Replacing fan belt.................................................................................................................... 25
Testing swing circle bearing clearance.................................................................................... 26
Checking and adjusting track shoe tension............................................................................. 27
Inspection and adjustment oil pressure in work equipment, swing, and travel circuits............ 29
Testing control circuit source pressure .................................................................................... 32
Testing and adjusting oil pressure in pump PC control circuit ................................................. 33
Testing and adjusting oil pressure in pump LS control circuit.................................................. 36
Testing solenoid valve output pressure ................................................................................... 41
Testing PPC valve output pressure ......................................................................................... 44
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