What's the Most Dangerous Mistake When Replacing a Garage Extension Spring?
Garaj eshigingiz tiqilib qoldi, va siz singan uzatma bahorini ko'rasiz. DIY tuzatish tez ko'rinadi, lekin noto'g'ri almashtirishni tanlash xavfli muvozanatsiz eshikni yaratishi yoki halokatli muvaffaqiyatsizlikka olib kelishi mumkin.
Eng xavfli xato - bu bahorni aniq tortmasdan almashtirish garaj eshigi[^ 1] birinchi. Ushbu yagona qadam to'g'ri bahor kuchini aniqlaydi. Guessing or just matching the old spring's color can lead to an unsafe door that can damage your opener or cause serious injury.
I'll never forget a call from a customer who was furious that the springs we sent him "weren't working." U eskisini sinchiklab o'lchagan edi, singan bahor va mos keldi rang kodi[^2] mukammal. Bir necha savollardan keyin, Men undan qo'shdimi, deb so'radim izolyatsiya[^ 3] uning yog'ochiga garaj eshigi[^ 1] yaqinda. Ha dedi, bir necha oy oldin. Men unga eshikni tortishni buyurdim. Izolyatsiya qo'shilgan 30 pounds. He wasn't replacing a broken spring; u yangisi ostida muvaffaqiyatsiz bo'lgan kichik o'lchamdagi buloqni almashtirishga harakat qilardi, og'irroq yuk. This is a perfect example of why the spring itself isn't the starting point—the door's true weight is.
Nima uchun eski bahorga mos kelishdan ko'ra eshikni tortish muhimroq?
Siz topdingiz rang kodi[^2] eski bahoringda, va grafik sizga nima sotib olishingizni aytadi. Ammo oldingi egasi noto'g'ri o'rnatgan bo'lsa-chi? Or the door's weight changed over time?
Eshikni tortish - kerakli kuchni bilishning yagona yo'li. Yangi bo'yoq bilan eshiklar og'irlashadi, ta'mirlash, yoki izolyatsiya. Faqat eski bahorga mos kelish, ko'pincha siz xatoni nusxa ko'chirishingizni anglatadi, ochgichni siqadigan va muddatidan oldin ishlamay qoladigan muvozanatsiz eshikka olib keladi.
Bahor ishlab chiqaruvchisi sifatida, Men bu xatoning natijasini doim ko'raman. Odamlar asl bahorni to'g'ri deb hisoblashadi. But I've seen factory-installed springs that were barely adequate for the door's weight from day one. Bir necha yil va bir nechta bo'yoqdan keyin, o'sha chegara buloq endi xavfli darajada kichikroq. Xavfsizlikni kafolatlashning yagona yo'li, muvozanatli eshik eski bahorga e'tibor bermaslik va yangidan boshlashdir, aniq vazn. It's the professional way to do it, and it's the only way I recommend. U barcha shubhalarni yo'q qiladi va yangi buloqning bugungi kunda mavjud bo'lganidek, eshikka to'liq mos kelishini ta'minlaydi, o'n yil avvalgidek emas.
Boshlanish nuqtangizni topishning yagona xavfsiz usuli
Bu jarayon ixtiyoriy emas; xavfsizligi uchun zarurdir.
- Hamma narsani uzing: Avval, o'chirish uchun garaj eshigi ochuvchisidagi qizil favqulodda shnurni torting. Eshik ichkarida bo'lishi kerak PASTGA pozitsiya.
- Eshikni ko'taring va mahkamlang: Garaj eshigini to'liq ochiq holatga qo'l bilan ko'taring. Bu juda og'ir bo'ladi. Uni har ikki tomondagi izlardagi mustahkam C-qisqichlar bilan mahkam o'rnating.
- Old Springsni olib tashlang: Eshik mahkamlangan holda ochiq holda, uzatma kamonlari bo'shashadi va kuchlanish yo'q. Endi siz ularni xavfsiz tarzda ochishingiz va olib tashlashingiz mumkin.
- Eshikni torting: C-qisqichlarni ehtiyotkorlik bilan olib tashlang va eshikni pastga tushiring. Eshikning har bir tomoni ostiga hammom tarozisini qo'ying. Add the two readings together to get the door's total weight. Bu sizga kerak bo'lgan raqam.
| Eshik vaznining o'zgarishi | Qayta tortishning oqibati | Majburiy bahor o'zgarishi (Misol) |
|---|---|---|
| +30 funt (Yangi izolyatsiya) | Qadimgi bahor o'lchami endi xavfli darajada kichikroq, ochgichni zo'riqish va muddatidan oldin ishdan chiqishga olib keladi. | a dan borish kerak 120 funt (Oq) a ga 150 funt (Moviy) bahor. |
| -20 funt (Dekorativ panellar olib tashlandi) | Eski buloq hozir juda kuchli, eshikning uchib ochilishiga olib keladi va yopilishini qiyinlashtiradi. | a dan borish kerak 160 funt (Qizil) a ga 140 funt (Sariq) bahor. |
Rang kodi sizga bilishingiz kerak bo'lgan hamma narsani aytib beradimi??
Siz to'g'ri vaznga egasiz va moslikni topdingiz rang kodi[^2] diagrammada. You're ready to order, but did you check your door's height? Noto'g'ri uzunlikdagi kamon muvaffaqiyatsiz bo'ladi, hatto to'g'ri rang bilan.
The rang kodi[^2] faqat ma'lum bir eshik balandligi uchun ko'tarish quvvatini bildiradi. Standart 7 metrli eshik 25 dyuymli uzun buloqlardan foydalanadi. Uzunroq 8 futlik eshik uchun uzunroq 27 dyuymli buloqlar kerak, va har biri uchun rang jadvallari har xil.
Bu nozik, ammo muhim tafsilot. Menda bir marta bor edi garaj eshigi[^ 1] o'rnatuvchi menga qo'ng'iroq qiling, butunlay qotib qolgan. He was working on a new housing development and one door just wouldn't balance. Uning vazni bor edi, and he'd tried two different color-coded springs, lekin ikkalasi ham ishlamadi. Men undan eshik balandligini o'lchashni so'radim. Bu 8 futlik eshik edi, lekin u standart 7 futlik bahor jadvalidan foydalangan. U ishlatayotgan buloqlar edi 25 dyuym uzun. They were being stretched too far and couldn't function correctly. Once he switched to the correct 27-inch springs for that door's weight, muammo bir zumda hal qilindi.
Uzunlik va balandlikni moslashtirish
Tizimning geometriyasi og'irlik kabi muhimdir.
- Eshik balandligi bahor uzunligini belgilaydi: Eng keng tarqalgan garaj eshiklari balandligi 7 oyoq va 8 oyoq. Bu farq juda muhim. 8 metrli eshik sayohat qilishi kerak 12 7 futlik eshikdan dyuym uzoqroqda, demak, buloq shikastlanmasdan yanada cho'zilishi kerak.
- Standart uzunliklar: Buni hal qilish uchun, sanoatda ikkita standart uzatma kamon uzunligi mavjud. 25-dyuymli buloqlar 7 metrli eshiklar uchundir, va 27 dyuymli buloqlar 8 metrli eshiklar uchundir.
- Don't Mix and Match: 8 metrli eshikda 25 dyuymli buloqdan foydalana olmaysiz. U haddan tashqari cho'zilgan bo'ladi, kuchini tezda yo'qotadi, va muvaffaqiyatsiz. Xuddi shunday, a 27-inch spring on a 7-foot door won't stretch enough to provide the proper lift. You must use the right length for your door's height.
| Eshik balandligi | Standart bahor uzunligi | Nima uchun bu muhim | Mos kelmaslik oqibati |
|---|---|---|---|
| 7 Oyoqlar | 25 dyuym (42" gacha cho'zilgan) | Bu millionlab eshiklar uchun standart geometriyadir. | 27 dan foydalanish" bahor ochilishi qiyin bo'lgan eshikni keltirib chiqaradi. |
| 8 Oyoqlar | 27 dyuym (48 dyuymgacha cho'zilgan) | Qo'shimcha 12 ni qayta ishlash uchun uzunroq buloq kerak bo'ladi" eshik sayohati. | 25 dan foydalanish" spring will destroy the spring and create an unsafe condition. |
What's the One Part of a Garage Spring System You Can't Ignore?
Your new springs are on, and the door works perfectly. But what happens in a few years when one of those powerful springs eventually breaks? The energy is released with incredible violence.
The most critical and often forgotten part of the system is the safety cable. This simple steel cable runs through the middle of the extension spring and prevents it from flying across your garage if it breaks.
Faoliyatimning boshida, I visited a garage where a spring had failed without a safety cable. The broken spring had flown across the garage with enough force to shatter the back window of the owner's car. It was a powerful lesson. An extension spring holding a 150-pound door is stretched with hundreds of pounds of force. Po'lat ishlamay qolganda, barcha saqlangan energiya bir zumda chiqariladi. Buloq og'ir metall qamchiga aylanadi. A five-dollar safety cable would have prevented thousands of dollars in damage and could have prevented a serious injury. Shuning uchun men hammaga aytaman: hech qachon, hech qachon o'rnating uzaytiruvchi bahor[^ 4] bittasiz.
Muzokaralar olib bo'lmaydigan xavfsizlik komponenti
This simple part is just as important as the spring itself.
- Bu qanday ishlaydi: Xavfsizlik kabeli ingichka, ko'p tarmoqli po'lat sim. It is threaded through the entire length of the extension spring before the spring is installed. Bir uchi yuqori qo'llab-quvvatlash kronshteyniga mahkamlangan, and the other end is secured to the frame near the pulley.
- Kuchni o'z ichiga olgan: Agar bahor siqilsa, bobinlar kabel orqali o'rnatiladi. Uchib ketish o'rniga, singan qismlar faqat zararsiz erga tushadi. The cable doesn't help lift the door; uning yagona vazifasi muvaffaqiyatsizlik paytida u erda bo'lishdir.
- Ko'ngil tinchligi: Kam xarajat va ularni o'rnatish uchun qo'shimcha besh daqiqa ketadi, xavfsizlik kabellari - garajingiz uchun sotib olishingiz mumkin bo'lgan eng yaxshi sug'urta. Ularga ega bo'lmaslik uchun yaxshi sabab yo'q.
| Tizim holati | Bahor muvaffaqiyatsizligining natijasi | Xavf darajasi |
|---|---|---|
| Xavfsizlik kabelisiz | Buzilgan buloq portlovchi kuch bilan ishga tushiriladi, xavfli raketaga aylanadi. | Juda yuqori |
| Xavfsizlik kabeli bilan | The broken pieces of the spring are caught by the cable and fall safely to the floor. | Past |
Xulosa
Garajni almashtirish uchun uzaytiruvchi bahor[^ 4] xavfsiz, avval siz eshikni tortishingiz kerak. Keyin, use that weight and the door's height to choose the correct spring. Nihoyat, har doim xavfsizlik kabellarini o'rnating.
[^ 1]: Xizmat va ta'mirlash ehtiyojlarini yaxshiroq tushunish uchun garaj eshigining umumiy muammolarini o'rganing.
[^2]: Rang kodlarini tushunish to'g'ri bahorni tanlashga yordam beradi, but it's not the only factor.
[^ 3]: Find out how insulation can change your garage door's weight and impact spring selection.
[^ 4]: Uzatma kamonlarini tushunish garaj eshiklarini xavfsiz ta'mirlash va to'g'ri ishlashini ta'minlash uchun juda muhimdir.