WORK IN PROGRESS - 進行中の作業
Please stay in tune as I work to repair door closer and share my experience and compare on training video from You Tube!! ドアクローザーの修理作業と私の経験の共有、そして YouTube のトレーニング ビデオでの比較をお伝えしますので、どうぞお楽しみに!!
请继续关注我修理闭门器的工作，分享我的经验并与 You Tube 上的培训视频进行比较！！
We have several door closer defectives in our condominium office community , I was surprise why it is not repair and they just buy new unit to replace ONLY.
私たちのマンションのオフィスコミュニティでは、いくつかのドアクローザーに欠陥がありますが、なぜ修理せず、交換のみのために新しいユニットを購入するのか驚きました。
So I have taken the challenge to investigate and check (ROI) if it economical to repair for this type device. It is also about recycle by repair them. Collected about 6 units which are defective by have no failure report or there limited inform.
そこで私は、このタイプのデバイスを修理するのが経済的かどうかを調査して確認する (ROI) ことに挑戦しました。 修理してリサイクルすることも大切です。 故障報告がない、または通知が限られているため、不具合のあるユニットを約 6 台回収しました。
Hence need to study from You Tube video on how to repair, troubleshoot, adjustment and all other aspect to make the unit return to it original state.
したがって、ユニットを元の状態に戻すための修理、トラブルシューティング、調整、その他すべての側面について YouTube ビデオから学ぶ必要があります。
Anatomy of door and door closer
https://www.s4a-access.com/blog/analysis-of-the-working-principle-of-door-closers_b86
Access Control System
Analysis of the working principle of door closers July 14 , 2021
Do you still have "hundred thousand why" questions about the
novelty of life? Do you have the confidence that "every day is a new
day"? If you feel that the novelty of life is gradually disappearing,
think of the world's You can see everything at a glance. Then you are wrong.
Here is a question: Do you know what a door closer is?
Maybe you will be wise to answer my question confidently by pointing to
the door closer to the door leaf. It is true that this question did not fail
you, but don’t be too happy. Next, I will ask: this little one on the top of
the door leaf Why can the door be closed easily? Is there electricity to
support its operation? I am afraid that is not the case.
Now let me open the mystery to you. Take the S4A DL-60 door closer as an example. The door closer is actually a mechanical device that can automatically close the door through mechanical principles. The door closer is a spring-like hydraulic device. When you manually push the door open, the spring in the door closer is compressed to store energy, and then the spring is released through the spring, and the closing force is transmitted to the door leaf through the door closer rocker arm. The door closes automatically without external force. The cylinder body where the spring is located in a well-designed hydraulic system with hydraulic oil enclosed in it. Through this hydraulic system, we can well control the door closer to achieve various adjustments to meet people's needs.
The DL-60 door closer has a simple and clean silver finish, rocker arm, and cylinder, but in fact, the door closer is not as simple as we seem to be. The internal structure of the door closer is a secret world that operates at any time and runs stably. Its interior is composed of racked pistons, springs, oil control valves, balls, oil circuits, and filled hydraulic oil, etc., with excellent airtightness as a whole. Design makes hydraulic
It is impossible for the oil to leak out. How do these complex little
things cooperate with each other? Then let us take a look at the internal
structure of the engine as the door closed through the picture.
Having mastered the above knowledge, you can convey these to your friends, but the secret of the door closer is more than that. In addition to the basic function of automatic door closing, different door closers have different adjustment options and special features. Features:
1. Adjustable door closing speed:
the trajectory of the door leaf closing is a 90-degree arc. The area where the
door closing speed can be adjusted is generally in the range of 10 degrees to
90 degrees when the door leaf is opened.
2. The locking speed is adjustable
The door you see
is closing the last 0-10 degree area. The speed at which the door is closed in
this area is called the lock speed. The door closer with adjustable locking
speed has a locking speed regulating valve. Through the regulating valve, it
enables you to adjust the closing speed to ensure that any bolt can enter the
lock plate to complete the locking action.
3, door opening buffer function
Advanced door closers usually have a door opening buffer function so that when the door opening force is too strong, it will not hit the adjacent wall due to the too fast door opening speed.
4. Delay function
The delay function prevents the door closer from closing automatically immediately. For example, when you push a trolley or a heavy object through the door leaf, the door body can be delayed for a few seconds before returning to its normal closing speed, which makes it easier for people to pass through. Compared to the normal closing time of 5-10 seconds for most doors, The door closer can be adjusted to a delay of two minutes or more.
5. Doorstop function
This seems to contradict the requirement of the door closer to close automatically. However, using this function may be useful in certain situations, such as the loading area where the door needs to be temporarily kept open at a certain moment. We usually do this through the doorstop block on the door closer arm. When we set the doorstop angle, the door leaf will stop when it is opened to a specific angle. When the angle is exceeded by manpower, the door will return to the automatic closing state. . But please note that door closers with stop functions are forbidden to be used on fire doors!
6, the force level is adjustable
The force level of the door closer determines the applicable door width and weight. At present, door closers on the market usually adjust the force level by adjusting the length of the spring and the installation position. There are usually 1 to 6 forces, the greater the force level can be applied to wider and heavier doors. One type of door closer on the market is a fixed-force door closer. Such as fixed force level 3 or force 4. This means that they are fixed to fit doors of a certain width. Another type of door closer is adjustable in force level, suitable for a series of door widths, such as the door closer with adjustable force from No. 2 to No. 4.
First step to check what type of tool size is required, so these are photo of of using Caliper Vernier to verify the size of tools.
必要なツールのサイズを確認する最初のステップ。ノギス バーニアを使用してツールのサイズを確認している写真です。
= - = - = - = - = - Training video resources トレーニングビデオリソース= - = - = - = - = - =
= - = - = - = - = - = - = URL resources = - = - = - = - = - = - =
https://dengarden.com/home-improvement/Door-Closer-Adjustment
How to
Adjust a Hydraulic Door Closer
·
UPDATED: APR 28, 2023 4:25 PM EDT
* Note: This is trail use of "Google Translate" application from ENGLISH to JAPANESE, sorry if this translation do not make sense or suitable word or sentence, please do let me know and thank you.
* 注: これは英語から日本語への「Google 翻訳」アプリケーションの試用です。この翻訳が意味をなさない、または適切な単語や文でない場合は、申し訳ありませんが、お知らせください。ありがとうございます。
👤 End of document 👨
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