Maintenance Guide
3-1
To prevent any trouble caused by accidental machine start, always
shut-down the power before starting the maintenance and
adjustment work.
[3] PARTS AROUND THE HEAD
3-1. Replacing the Ejector Unit
Before replacing the ejector unit, always shut-down the main compressed air.
Since both the solenoid valve and pressure sensor are a type of connector connection, carefully
connect them to avoid improper connections. After the ejector unit has been replaced, turn on
and off the manual control head vacuum blow to check that the ejector unit functions correctly.
(Note) Carefully disassemble the unit so that oil seals on the rear of the solenoid valve
and O-ring of the pressure sensor are not lost.
Vacuum sensor Solenoid valve
Replacing the silencer Ejector main unit (Left: front view/right: side view)
Figure 3-1-1 Replacing the Ejector
Solenoid valve for
vacuum vent
Round head screw (
u 2)
Gasket
Solenoid valve for
vacuum production
Round head screw (
u 2)
Gasket
Vacuum sensor
Round head screw (u 2)
O-ring
Round head screw (u 2)
Silencer cover
Round head screw (u 1)
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