3-76
Installing the solenoid valve set
3Installing the option devices
11) Installs the solenoid valve set on the forearm upside. (standard/internal wiring and piping specification common)
Firmly fix the solenoid valve set using the original fixing screws of the No.2 arm cover U. (Tightening torque:
1.39-1.89N ・ m).
Then, from the No.2 arm cover L side, check that the air hoses in the forearm are not bent.
12) Install the No.2 arm cover L to the forearm.
(standard/internal wiring and piping specification common)
Install attached plugs to the port A/B couplings that are not used for the solenoid valve set.
13) Connect the tool prepared by the customer with solenoid valve port A and B.
(standard/internal wiring and piping
specification common)
When you use the standard specification robot, please prepare the air hoses for connection.
Table 3-13 shows the relation between hand condition and port number.
The installing of the solenoid valve set is completed.
Solenoid valve set
Keep the air
hoses from
interfering with
the moving parts of timing belt and its pulley.
(See the area A.)
Otherwise, air leakage may occur.
Forearm
No.2 arm cover L
Solenoid valve set
A
Enlarged view of section A
Plugs
Table 3-13 ： 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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