Komatsu ecot3 PC160LC-8 Shop Manual page 7

Hydraulic excavator
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100 Index
Table of contents
Anti-drop valve for boom ............................................................................................................. 28
Anti-drop valve for arm................................................................................................................ 34
Return oil filter ............................................................................................................................. 41
Center swivel joint ....................................................................................................................... 42
Travel motor ................................................................................................................................ 43
Swing motor ................................................................................................................................ 53
Attachment circuit selector valve................................................................................................. 54
Hydraulic cylinder........................................................................................................................ 58
500 Work equipment
Work equipment ..........................................................................................................................
Dimensions of components .........................................................................................................
600 Cab and its attachments
Air conditioner piping...................................................................................................................
700 Electrical system
Engine control system.................................................................................................................
Electronic control system ............................................................................................................ 12
Monitor system............................................................................................................................ 40
Sensor......................................................................................................................................... 66
KOMTRAX system ...................................................................................................................... 70
20 Standard value table
100 Standard service value table
Standard value table for engine ..................................................................................................
Standard value table for chassis related parts ............................................................................
30 Testing and adjusting
101 Testing and adjusting, Part 1
Tools for testing, adjusting, and troubleshooting .........................................................................
Testing engine speed ..................................................................................................................
Testing intake air pressure (boost pressure) ...............................................................................
Testing exhaust gas color............................................................................................................
Adjusting valve clearance ...........................................................................................................
Testing compression pressure ....................................................................................................
Testing of 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
Measuring fuel discharge, return and leakage ............................................................................ 18
Bleeding air from fuel circuit........................................................................................................ 22
Checking fuel circuit for leakage ................................................................................................. 24
Checking and adjusting air conditioner compressor belt tension ................................................ 25
Replacing the fan belt ................................................................................................................. 26
Testing of clearance in swing circle bearings .............................................................................. 27
Testing and adjusting track shoe tension .................................................................................... 28
Inspection and adjustment oil pressure in work equipment, swing, and travel circuits ............... 29
Testing control circuit oil pressure ............................................................................................... 32
Testing and adjustment of pump PC control circuit oil pressure ................................................. 33
Testing and adjustment of pump LS control circuit oil pressure .................................................. 36
Testing solenoid valve output pressure ....................................................................................... 40
Testing of PPC valve output pressure ......................................................................................... 43
Adjustment of work equipment and swing PPC valve................................................................. 44
Inspection of locations of hydraulic drift of work equipment ........................................................ 45
Testing and adjusting travel deviation ......................................................................................... 47
Release of residual pressure from hydraulic circuit .................................................................... 49
Measurement of oil leakage ........................................................................................................ 50
PC160LC-8
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