Lock Release Mechanism - SMC Networks MWB 32-UT Series Operation Manual

3-2. Lock release mechanism

Operation principle for unlocking mechanism.
Spring
(Fig. 7 is for reference for the operation principle. (Different from the actual structure))
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C a u t i o n
The manual lock is released as default. The lock will not operate in this condition. Before starting
operation engage the lock according to the instructions shown in Fig. 8.
Hexagon wrench
Manually unlocked
Rotate the release bolt anti-clockwise by hand with a hexagon wrench until resistance is felt. Once that
position is reached, rotate it an additional 1/6th of a turn to securely tighten the release bolt.
∗) Please do not use an electric driver or pneumatic driver.
Pressurize the lock release port with 0.3MPa or more of
air pressure and check that there is no air leakage from
the release bolt and lock correctly functions.
Unlocked condition can be held in reversed order of Fig. 8.
Unlocking port
(Exhaust air pressure)
Locked
Fig. 7 Operation principle of locking mechanism
Release bolt
Fig.8 How to return to lock
Release bolt
Manually unlocked
Locked
Tube I. D.
32・40
50・63
80・100
- 16 -
Hexagon wrench
Release bolt
(No air leakage)
Hexagon wrench size
of the release bolt
3
4
5