Komatsu PC88MR-10 Shop Manual page 355

Hydraulic excavator
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Testing/Adjusting item Sym-
Measuring PPC valve
output pressure
Testing oil leakage
Testing coolant
temperature and oil
temperature
Testing operating
effort and depressing
effort
Testing stroke and
hydraulic drift
Testing work
equipment speed
Testing voltage and
resistance
Removal and
installation of engine
coolant temperature
sensor
PC88MR-10
Part No.
bol
799-101-5002 Hydraulic tester
1
R
790-261-1204 Digital hydraulic tester
2 799-401-3100 Adapter
Commercially
Measuring cylinder
T
available
799-101-1502 Digital thermometer
79A-264-0021 Push-pull scale
79A-264-0091 Push-pull scale
Commercially
Ruler
available
Commercially
Stopwatch
available
Commercially
Multimeter
available
795T-981-
Socket
1010
Related information on testing and adjusting
Part name
Pressure gauge: 2.5, 6, 40, 60
1
MPa
1 Pressure gauge: 70 MPa
1 Size 02
1
1 -99.9 to 1,299°C
1 0 to 294 N {0 to 30 kg}
1 0 to 490 N {0 to 50 kg}
1
1
1
19 mm deep socket
1
(MITOLOY 4ML-19 or equivalent)
30 Testing and adjusting
Remarks
30-5

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