
Vacuum Generator
Series
Vacuum Generator VG
VH · VS
115
VU
VB
VM · VC
VG
VY
VUM
VRL
VACUUM
GENERATOR
Detailed Safety Instructions
Before using PISCO products, be sure to read “Safety Instructions” and “Safety Instruction
Manual” on page 35-39, “Common Safety Instructions for Vacuum Series” on page 47-49
and “Common Safety Instructions for Vacuum Generator VG & VK” on page 105.
Warning
1. Attentions should be paid when pipe resistance is large or a large amount of blow-off air rate is required.
Insufficient blow-off air may cause troubles. Make sure to evaluate PISCO products by actual system.
2. The coil in a pilot valve generates heat under the following
①
-
③
conditions. Heating may be a cause of
dropping life cycle, malfunctions and burn or may affect negatively on peripheral machines due to the heat.
Contact us when the power is applied to the vacuum generator under the following conditions:
①
The power is continuously ON for over 2 hours.
②
High-cycle operation.
③
Even when intermittent running of the generator is carried out, the total operation time per day is
longer than non-operation time.
■ Replacement Element
■
Remove the fixing screws to replace filter elements. Make sure not to lose the filter seal ring after the
replacement and tighten the screws with tightening torque 0.18-0.22Nm.
Silencer cover
Filter cover
Filter element
Model code
:
VGFE10
Filter unit
Vacuum sensor
Valve unit assembly
Ejector body
Hexagonal nut
Round head screw
Fixing Pin
Silencer element
Model code
:
SEE0602
Model code
:
VGED-G
■
Replacement of Silencer Elements
Replace elements after removing 2 round head screws and 2 fixing pins.
※
Make sure not to lose 2 hexagonal nuts.
■
Procedures After Replacing Silencer Element
As the right figure shows, attach the silencer cover to the
ejector body and insert thinner end of 2 fixing pins into the
holes from the side with protrusion of the ejector body. Make
sure all seal materials of each unit are fit before assembling
the units. Use a screwdriver to appropriately tighten the
round head screw and the hexagonal nut with 0.35-0.4Nm
of the tightening torque.
Protrusion
Thinner end
Fixing Pin
Marking side
Fixing screw
Silencer cover
Ejector body