Hydraulic Rock Drill COP RR14 / SC14 Ver. C 9 Hydraulic Motor
35 No: 4124851851.2.9007203379904011 en-US
6.
Connect the pressure hose (P) to the inlet port (A).
7.
Connect the flow meter to the sender (5).
8.
Press main power switch (4) to start the test unit.
9.
Press down the lever (1) to pressurize the hydraulic motor.
10.
Turn the flow restrictor (3) slowly counterclockwise until pressure manometer (2)
reaches the correct value according to the table. Make sure to use the correct pres-
sure for the current motor type.
Engine Type Pressure Port A Permitted flow in Port B
MP 80-160 CC 120 bar 10 l/min
MP 200 CC 100 bar 10 l/min
a.
Measure the flow from port (B).
b.
Replace the motor if it exceeds permitted flow drain line 10 l/min.
11.
Release the lever (1).
12.
Turn off main power switch (4).
13.
Move the lever (1) up and down a couple of times to release the pressure in the
hoses.
14.
Carefully loosen and remove the hoses, a small pressure can remain in the system.
Plug all connections to secure them from dirt.
15.
Remove the flow meter from the sender (5).
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