CRRC MS-JY111-L Buku Petunjuk - Halaman 8

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3.2 Adjusting the Pressure Setting

Return Regulating

Valve

3.2.1 Master Regulating Valve for regulating the PULL pressure of installation and

cutting tool:

a. Turn the valve clockwise to rise the pull pressure;

b. Turn the valve counterclockwise to decrease the pull pressure.

3.2.2 Return Regulating Valve for regulating the RETURN pressure:

a. Loosen the locknut (white nut) on the valve;

b. Start pumping;

c. With a screwdriver, slowly turn the adjusting screw(black screw);

d. Turn the adjusting screw clockwise to rise the pressure, turn the adjusting screw

counterclockwise to decrease the pressure;

e. When the desired pressure is reached, lock the adjusting screw in position by

tightening the locknut while hold the position of the adjusting screw.

Fig. 4 Adjusting the Pressure

Master Regulating

Valve