00 Index and foreword SEN02225-15
PC400, 450-8
5
PPC accumulator ........................................................................................................................ 22
Anti-drop valve for boom............................................................................................................. 24
Anti-drop valve for arm................................................................................................................ 30
Return oil filter............................................................................................................................. 37
Center swivel joint....................................................................................................................... 38
Travel motor ................................................................................................................................ 39
Swing motor ................................................................................................................................ 51
Hydraulic cylinder........................................................................................................................ 60
Work equipment SEN02236-00
Work equipment .......................................................................................................................... 2
Dimensions of components......................................................................................................... 4
Cab and its attachments SEN02237-00
Air conditioner piping................................................................................................................... 2
Electrical system SEN02238-03
Engine control ............................................................................................................................. 2
Electronic control system ............................................................................................................ 13
Monitor system............................................................................................................................ 38
Sensor......................................................................................................................................... 65
KOMTRAX system...................................................................................................................... 68
20 Standard value table
Standard service value table SEN02643-03
Standard value table for engine related parts.............................................................................. 2
Standard value table for chassis related parts ............................................................................ 3
Standard value table for chassis related parts (Loading shovel specification)............................ 12
30 Testing and adjusting
Testing and adjusting, Part 1 SEN02644-04
Tools for testing, adjusting and troubleshooting.......................................................................... 3
Sketches of special tools............................................................................................................. 7
Testing engine speed .................................................................................................................. 8
Testing air boost pressure........................................................................................................... 9
Testing exhaust temperature....................................................................................................... 10
Testing exhaust gas color............................................................................................................ 11
Adjusting valve clearance ........................................................................................................... 12
Testing compression pressure ....................................................................................................14
Testing blow-by pressure ............................................................................................................ 16
Testing engine oil pressure ......................................................................................................... 17
Testing EGR valve drive pressure............................................................................................... 18
Handing fuel system parts........................................................................................................... 19
Releasing residual pressure from fuel system ............................................................................ 19
Testing fuel pressure................................................................................................................... 20
Handing during cylinder cut-out operation .................................................................................. 21
Handing during no injection cranking operation.......................................................................... 21
Testing fuel return and leakage................................................................................................... 22
Bleeding air from fuel circuit........................................................................................................ 25
Checking fuel circuit for leakage ................................................................................................. 27
Checking and adjusting fan belt and alternator belt.................................................................... 28
Checking and adjusting air conditioner compressor belt tension................................................ 29
Testing swing circle bearing clearance........................................................................................ 30
Checking and adjusting track shoe tension................................................................................. 31
Testing and adjustment oil pressure in work equipment, swing, and travel circuits .................... 32
Testing control circuit basic pressure ..........................................................................................36
Checking and adjusting pump PC control circuit oil pressure..................................................... 37
Checking and adjusting pump LS control circuit oil pressure...................................................... 40
Testing solenoid valve output pressure....................................................................................... 45
Testing PPC valve output pressure............................................................................................. 48
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