Komatsu WA430-6 Shop Manual page 8

Wheel loader
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SEN00832-16
Engine output derating function ............................................................................................... 17
Automatic warm-up function .................................................................................................... 17
Parking brake circuit ................................................................................................................ 18
Sensor ..................................................................................................................................... 20
20 Standard value table
Standard service value table
Standard value table for engine ...............................................................................................
Standard value table for chassis..............................................................................................
30 Testing and adjusting
Testing and adjusting, Part 1
Tools for testing, adjusting, and troubleshooting......................................................................
Sketch of special tool...............................................................................................................
Testing exhaust gas color ........................................................................................................ 11
Testing exhaust temperature ................................................................................................... 12
Adjusting valve clearance ........................................................................................................ 14
Testing compression pressure ................................................................................................. 16
Testing blow-by pressure ......................................................................................................... 20
Testing engine oil pressure ...................................................................................................... 21
Testing intake air (boost) pressure........................................................................................... 22
Handling fuel system equipment.............................................................................................. 23
Releasing residual pressure in fuel system ............................................................................. 23
Testing fuel pressure................................................................................................................ 24
Testing fuel return and leak amount......................................................................................... 30
Bleeding air from fuel circuit .................................................................................................... 32
Testing leakage in fuel system................................................................................................. 33
Handling reduced cylinder mode operation ............................................................................. 34
Handling no-injection cranking operation................................................................................. 34
Handling controller voltage circuit............................................................................................ 35
Check of muffler and muffler stack for looseness and damage ............................................... 36
Check of muffler function ......................................................................................................... 36
Check of installed condition of cylinder head and manifolds ................................................... 37
Check of engine piping for damage and looseness................................................................. 37
Checking and replacing alternator belt .................................................................................... 38
Checking and replacing auto-tensioner ................................................................................... 40
Adjusting transmission speed sensor ...................................................................................... 42
Adjusting directional lever length ............................................................................................. 43
Adjusting gear shift lever length............................................................................................... 43
Testing directional lever ........................................................................................................... 44
Testing and adjusting power train oil pressure......................................................................... 45
Procedure for flushing torque converter and transmission hydraulic circuit ............................ 59
Method of moving machine when transmission valve is broken.............................................. 60
Checking axle final drive for oil leakage .................................................................................. 62
Checking drive shafts for looseness, play and damage .......................................................... 62
Testing and adjusting steering stop valve ................................................................................ 63
Testing and adjusting steering wheel....................................................................................... 65
Testing and adjusting steering oil pressure.............................................................................. 67
Bleeding air from steering circuit ............................................................................................. 70
Testing and adjusting, Part 2
Testing hydraulic drive fan .......................................................................................................
Bleeding air from hydraulic drive fan circuit .............................................................................
Testing brake pedal..................................................................................................................
Testing and adjusting brake pedal linkage...............................................................................
Testing brake performance ......................................................................................................
Testing and adjusting accumulator charge pressure ............................................................... 10
Testing wheel brake oil pressure ............................................................................................. 11
6
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00 Index and foreword
SEN01599-05
2
3
SEN01600-05
3
8
SEN01601-05
3
5
7
8
9
WA430-6

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