Komatsu ecot3 WA500-6 Shop Manual page 8

SEN00701-19
Horn circuit............................................................................................................................... 20
Wiper and window washer circuits........................................................................................... 21
Sensor ..................................................................................................................................... 24
KOMTRAX system................................................................................................................... 42
20 Standard value table
Standard service value table
Standard service value table for engine...................................................................................
Standard service value table for chassis .................................................................................
30 Testing and adjusting
Testing and adjusting, Part 1
Tools for testing, adjusting, and troubleshooting......................................................................
Measuring engine speed .........................................................................................................
Measuring exhaust gas color...................................................................................................
Measuring exhaust temperature .............................................................................................. 11
Adjusting valve clearance ........................................................................................................ 13
Testing compression pressure ................................................................................................. 14
Measuring blow-by pressure.................................................................................................... 16
Measuring engine oil pressure................................................................................................. 17
Measuring intake air (boost) pressure ..................................................................................... 18
Handling fuel system equipment.............................................................................................. 20
Releasing residual pressure in fuel system ............................................................................. 20
Testing fuel pressure................................................................................................................ 21
Testing return rate and leakage ............................................................................................... 22
Bleeding air from fuel circuit .................................................................................................... 25
Testing leakage in fuel system................................................................................................. 27
Handling reduced cylinder mode operation ............................................................................. 28
Handling no injection cranking operation................................................................................. 28
Handling controller voltage circuit............................................................................................ 29
Testing and adjusting alternator belt tension ........................................................................... 30
Testing and adjusting air conditioner compressor belt tension ................................................ 31
Adjusting transmission speed sensor ...................................................................................... 32
Measuring directional lever (Steering wheel specification) ...................................................... 34
Testing and adjusting power train oil pressure......................................................................... 35
Flushing procedure for torque converter and transmission hydraulic circuit............................ 48
Method of moving machine when transmission valve is broken.............................................. 51
Testing and adjusting, Part 2
Testing and adjusting steering stop valve ................................................................................
Testing and adjusting steering wheel.......................................................................................
Testing steering oil pressure ....................................................................................................
Bleeding air from steering cylinder circuit ................................................................................ 10
Testing hydraulic drive fan ....................................................................................................... 11
Bleeding air from hydraulic drive fan circuit ............................................................................. 14
Measuring brake pedal ............................................................................................................ 16
Measuring brake performance................................................................................................. 17
Testing of accumulator nitrogen gas pressure and procedure for charging accumulator
with nitrogen gas .............................................................................................................. 18
Testing and adjusting accumulator charge pressure ............................................................... 23
Testing wheel brake oil pressure ............................................................................................. 25
Measuring wear of wheel brake disc ....................................................................................... 27
Bleeding air from brake circuit ................................................................................................. 28
Releasing residual pressure in brake accumulator circuit ....................................................... 30
Testing parking brake performance ......................................................................................... 31
Measuring parking brake oil pressure...................................................................................... 32
Testing wear of parking brake disc .......................................................................................... 35
Method of releasing parking brake manually ........................................................................... 36
6
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00 Index and foreword
SEN00724-05
2
3
SEN00725-07
3
7
9
SEN00726-06
3
5
7
WA500-6