HIBLOW hp-150 Manuel d'instruction - Page 13

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SAFETY AUTOMATIC STOP SWITCH ( SP SWITCH )

1. Structure

The switch is installed in frame, and trouble defection lever is installed on top part of rod.

When diaphragms work properly, the movement of the rod between right and left is always

constant. However, if the diaphragms become damaged, pump works in the incorrect way.

As the result, the rod would be bias or over-moving. In this case, the top of the rod touches

the L-shaped lever and breaks the resin pin, which anchors L-shaped lever and the electrode.

That makes the constant point of the switching off and the pump turns off automatically. This

method lessens further pump damage by diaphragms break.

2. How to replace

If consumable spare parts, such as diaphragms are damaged, automatic stop switch works and

the movement of pump stops. At that time, please replace both the safety pin and diaphragms.

Procedure

(1) When you work with pumps, please never fail to pull off the electricity plug before working

on them.

(2) Referring to Fig.25, please penetrate safety pin through the electrode, L-shaped lever and

beam in such order.

(3) After replacing safety pins, please tighten safety pin and insert locking collar from beam side.

In case the locking collar is set on the proper point, please push that collar into the point.

(4) Then the setting of the switch is completed. (Fig. 26)

Please never fail to pull off the electricity plug before working on them. If the pump remains con-

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nected to the electricity supply, moving parts may cause injury or there is a possibility of electric

shock.

Please remove broken safety pin and broken locking collar after replacing. Otherwise it causes

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electromagnet damaged or causes pump broken.

Please never fail to replace new locking collar for the maintenance purpose. Once you have

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used locking collar, please do not reuse the same one as that collar does not function.

Please replace safety pin after replacement of consumable spare parts. If you change safety

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pin ﬁrst, safety pin would be damaged when you insert the rod.

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CAUTION

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