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Boom LOWER regeneration valve....................................................................................... 10- 129
Arm regeneration valve........................................................................................................ 10- 132
Quick return valve................................................................................................................ 10- 135
Line oil filter.......................................................................................................................... 10- 138
Center swivel joint................................................................................................................ 10- 139
Accumulator......................................................................................................................... 10- 140
Electrical system ..................................................................................................................... 10- 141
Engine control...................................................................................................................... 10- 141
Electrical control system ...................................................................................................... 10- 151
Monitor system .................................................................................................................... 10- 181
KOMTRAX system............................................................................................................... 10- 207
Sensors................................................................................................................................ 10- 209
20 Standard value table
Standard value table ............................................................................................................... 20-
Standard value table for engine........................................................................................... 20-
Standard value table for machine ........................................................................................ 20-
30 Testing and adjusting
Tool for testing, adjusting and troubleshooting ....................................................................... 30-
Tools for testing, adjusting, and troubleshooting ................................................................. 30-
Engine and cooling system ..................................................................................................... 30-
Testing engine speed .......................................................................................................... 30-
Testing intake air pressure (boost pressure) ....................................................................... 30-
Testing exhaust gas temperature ........................................................................................ 30- 10
Testing exhaust gas color.................................................................................................... 30- 11
Testing and adjusting valve clearance................................................................................. 30- 12
Testing compression pressure............................................................................................. 30- 13
Testing blowby pressure...................................................................................................... 30- 15
Testing engine oil pressure.................................................................................................. 30- 16
Testing EGR valve and bypass valve drive pressure .......................................................... 30- 17
Handling fuel system parts .................................................................................................. 30- 18
Releasing remaining pressure from fuel system.................................................................. 30- 19
Testing fuel pressure ........................................................................................................... 30- 20
Cylinder cut-out test mode................................................................................................... 30- 21
No-injection cranking ........................................................................................................... 30- 22
Testing fuel return rate and leakage .................................................................................... 30- 23
Bleeding air from fuel circuit ................................................................................................ 30- 26
Testing fuel circuit for leakage ............................................................................................. 30- 28
Testing and adjusting alternator belt tension ....................................................................... 30- 29
Testing and adjusting air conditioner compressor belt tension............................................ 30- 30
Undercarriage and frame ........................................................................................................ 30- 31
Testing swing circle bearing clearance................................................................................ 30- 31
Checking and adjusting track tension .................................................................................. 30- 32
Hydraulic system .................................................................................................................... 30- 33
Testing and adjusting oil pressure in work equipment, swing and travel circuits................. 30- 33
Testing and adjusting control circuit oil pressure................................................................. 30- 38
Testing and adjusting control oil pressure of piston pump................................................... 30- 40
Testing servo piston movement........................................................................................... 30- 46
Testing PPC valve output pressure ..................................................................................... 30- 48
Testing output pressure of solenoid valve and PPC shuttle valve....................................... 30- 52
Adjusting play of work equipment and swing PPC vavles ................................................... 30- 58
Isolating the parts causing hydraulic drift in work equipment .............................................. 30- 59
Testing and adjusting travel deviation ................................................................................. 30- 61
PC600, 650, 700-8E0
(04)
Table of Contents
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3
4
3
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7
7
9
00-3
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