SANY LATIN AMERICA
VI
SY195/205/215/225C9 Crawler Hydraulic Excavator
Table of Contents
Shop Manual - June 2013
6.5.1 Testing .......................................................................................................... 6-13
6.5.2 Adjusting ...................................................................................................... 6-15
6.6 Engine Oil Pressure - Measure.............................................................................. 6-17
6.7 Engine Speed Sensor - Adjust ............................................................................... 6-19
6.8 A/C Compressor Belt Tension - Test and Adjust ................................................... 6-20
6.8.1 Testing ......................................................................................................... 6-20
6.8.2 Adjusting ...................................................................................................... 6-20
6.9 Swing Bearing Clearance - Measure ..................................................................... 6-22
6.10 Track Tension - Test and Adjust ........................................................................... 6-24
6.10.1 Testing ........................................................................................................ 6-24
6.10.2 Adjusting .................................................................................................... 6-25
6.11 Hydraulic Pressure in Hydraulic Circuits - Test and Adjust .................................. 6-26
6.11.1 Measuring .................................................................................................. 6-26
6.11.2 Adjusting ..................................................................................................... 6-28
6.12 Control Circuit Oil Pressure - Test and Adjust ...................................................... 6-30
6.12.1 Testing ........................................................................................................ 6-30
6.12.2 Adjusting .................................................................................................... 6-31
6.13 Solenoid Valve Output Pressure - Measure ......................................................... 6-32
6.14 Pilot Valve Output Pressure - Measure ................................................................ 6-34
6.15 Pilot Valves (Work Equipment and Swing) - Adjust ............................................. 6-36
6.16 Work Equipment Hydraulic Drift - Test ................................................................. 6-37
6.17 Residual Pressure in Hydraulic Circuit - Release ................................................ 6-40
6.18 Oil Leakage - Measure ........................................................................................ 6-41
6.19 Air in Each Component - Bleed............................................................................ 6-46
7 Troubleshooting
7.1 Points to Remember When Troubleshooting ........................................................... 7-3
7.2 Troubleshooting Procedures .................................................................................... 7-5
7.3 Connector Location and Electrical Circuit Diagram ................................................. 7-8
7.3.1 Connector location layout ............................................................................ 7-12
7.3.2 Electrical element circuit diagram (cab circuit)............................................. 7-18
7.3.3 Electrical control circuit diagram (engine circuit).......................................... 7-20
7.3.4 Electrical control circuit diagram (sensor and solenoid valve circuit) ........... 7-22
7.3.5 SWP type connector .................................................................................... 7-23
7.3.6 A/AMP type connector ................................................................................. 7-24
7.3.7 DT type connector ....................................................................................... 7-25
7.4 Failure Symptoms and Troubleshooting Codes ..................................................... 7-26
7.5 Troubleshooting with an Event Code ..................................................................... 7-28
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