McIntyre 320 - Page 47

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320/407/500/600.41912-ENG
then the Relief Valve Setting must be reduced to the Maximum System
Pressure.
» Below the Maximum System Pressure (See Section 3.4, Page 12)
then the Relief Valve Setting may need increased to Maximum System
Pressure.
To adjust the Relief Valve Setting:
• Loosen the Lock Nut on the end of the Relief Valve Cartridge on the Control Valve.
• To reduce the setting, turn the Adjustment Screw anti-clockwise.
• To increase the setting, turn the Adjustment Screw clockwise.
Do not set the Relief Valve setting to be above the Maximum
System Pressure for the Shear
Do Not adjust the Adjustment Screw while the Relief Valve is
under pressure.
• When the correct Relief Valve setting is achieved, tighten the Lock Nut on the
Adjustment Screw. Then re-check the setting.
• Before operating the Shear, switch off and isolate the Shear from the mains
electricalsupply,thendisconnectthePressureGauge,previouslytted,andret
the Blanking Plug to the Control Valve Port.
Check all hose connections are secure and Do Not leek
before running the machine for long periods.