Azbil RA1B, Руководство пользователя

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13
Chapter 4 Maintenance
„ Drain
Water or oil can be drained from the drain bowl without removing it.
(1) Make sure that air pressure is not being applied to the pressure regulator, and that
there is no residual pressure in it.
(2) Place sheeting or an empty container under the pressure regulator as protection
against stains, etc.
(3) Loosen the drain plug approximately two revolutions.
(4) Water or oil will flow along the screw threads and drip out.
(5) When the drain bowl is drained, wipe water, oil, and foreign matter from the drain
plug with a cloth.
(6) Tighten the drain plug to the specified torque.
(7) Check that no air is leaking from the drain plug and that the pressure is adjusted
correctly to complete this procedure.
z Tightening torque for the drain plug
In principle, tighten the drain plug manually. However, if it might loosen due to vibration
or other reasons, tighten it as follows.
z
Required tool and tightening torque
Tool: monkey wrench or other appropriate tool
Tightening torque: 3.0 N·m or less
Handling Precautions
• The tightening torque above is a rough guide. Determine the appropriate torque
depending on the usage conditions.
• Wear protective gear when draining. If there is residual pressure in the pressure
regulator, the contents may spew out when draining.
• If foreign matter is caught in the threads when the drain plug is tightened, air
may leak.
• If the O-ring is damaged when draining, air may leak.
• The drain plug cannot be detached. If the drain plug is loosened forcefully
without regard for the retaining mechanism, it may be damaged or air may leak.
• If a force that exceeds the specified tightening torque is applied to the drain
plug, the drain plug may be damaged.
• When using a tool to open or close the drain plug, take appropriate measures
not to damage the drain plug. If the drain plug is damaged, coming into contact
with it may result in injury.