SANY LATIN AMERICA
6-34
SY195/205/215/225C9 Crawler Hydraulic Excavator
Testing and Adjusting
Shop Manual - June 2013
Measuring tools
ID
Part Number
Part Name
—
21008760
Hydraulic Tester
B210770000084
Adaptor
NOTE: Make sure that the initial pressure of
control oil circuit is normal before measuring
the output pressure of pilot valve.
No.
Oil Circuit
Measured
No.
Oil Circuit
Measured
1
Travel left
7
Bucket DUMP
2
Travel right
8
Arm IN
3
Arm OUT
9
Swing
4
Bucket DIG
5
Boom DOWN
6
Boom UP
6.14 Pilot Valve Output Pressure - Measure
1
2
3
4
5
6
7
8
9
ZXT225-1104005
1. Remove the pilot pressure switch.
2. Install the adaptor and connect it to the hy-
draulic tester.
Use a hydraulic tester with a capacity of 6
MPa {61kgf/cm²}
3. Start the engine and keep it running un-
til the hydraulic oil temperature rises to a
point within the operational range.
4. Measure the output pressure when the en-
gine is running at high idle and all control
levers of the tested circuit are in neutral
position or at full stroke.
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