
MAINTENANCE
HOSE ROUTING - 509 511 BACKHOE
SERIAL NUMBER #270216 AND UP
GENERAL INFORMATION
The purpose of this page is to show the hydraulic hose routing between the backhoe
control valve and the various backhoe hydraulic cylinders. This information is helpful when
trouble shooting cylinder and control valve related problems. Simply match the number of the
hydraulic cylinder port (shown in the bottom diagram), to the corresponding number on the
backhoe control valve (shown in the top diagram).
NOTE: The ttings on the hydraulic cylinders
have been altered for clarity purposes. This
will assist you in distinguishing between the
rod end and the barrel end of the various
hydraulic cylinders.
7
1
12
6
11
5
8
2
9 (10-
RIGHT STABILIZER)
3 (4-
RIGHT STABILIZER)
11818 8-23-11
BACKHOE CONTROL VALVE
BACKHOE CYLINDERS
1
2 3
4
5
6
12
11
1098
7
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