3-72
Installing the solenoid valve set
3Installing the option devices
7) Connect the φ4 secondary piping air hoses. (only internal wiring and piping specification)
Connect the φ4 secondary piping air hoses to the couplings on the back side of the solenoid valve.
Connect the air hoses sequentially from No.1.
The numbers (No.1 to No.4) indicated on the φ4 secondary piping air hoses are consistent with the num
-
bers of piping pulled out of the mechanical interface. Refer to the numbers for piping to the tool.
As an example of the tools, Table 3-12 shows the relation between hand condition and coupling port
number.
φ4 air hose for secondary piping
<Enlarged view of the φ4 air hose connection area>
Couplings on the back side of the solenoid valve
Push the φ4 secondary piping air hoses firmly to
the base of couplings as shown in the figure.
Table 3-12 ： Solenoid valve ports and hand number
Hand Hand condition Port number
The solenoid
valve set in use
Hand 1
OPEN 1
One set
CLOSE 2
Hand 2
OPEN 3
Two sets
CLOSE 4
Hand 3
OPEN 5
Three sets
CLOSE 6
Hand 4
OPEN 7
Four sets
CLOSE 8
Port number
B port 2468
A port 1357
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