Home |
Search |
Today's Posts |
|
UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
Reply |
|
LinkBack | Thread Tools | Display Modes |
#1
Posted to uk.d-i-y
|
|||
|
|||
small industrial roller shutter door
Is there some trick to tensioning the balance spring on a second hand
door? There are no obvious holes where a locking pin could have been removed and trying to do the job in situ is way beyond my strength. Unlike a domestic window blind, the shaft has a square section at both ends so you can't just lift one end and wind on some tension. The slats weigh about 75kg so lifting without mechanical aid becomes progressively harder as slats are wound on! Help! regards -- Tim Lamb |
#2
Posted to uk.d-i-y
|
|||
|
|||
small industrial roller shutter door
"Tim Lamb" wrote in message ... Is there some trick to tensioning the balance spring on a second hand door? There are no obvious holes where a locking pin could have been removed and trying to do the job in situ is way beyond my strength. Unlike a domestic window blind, the shaft has a square section at both ends so you can't just lift one end and wind on some tension. The slats weigh about 75kg so lifting without mechanical aid becomes progressively harder as slats are wound on! I was reduced to using a block and tackle to lift the bottom of an open roller door to form a U shape, until it was high enough for a rope over the main part of the roll to take over and put a complete extra turn of tension on. Repeat as required. Not fun, but perhaps safer than risking anything spinning round. -- Kevin Poole **Use current month and year to reply (e.g. )*** |
#3
Posted to uk.d-i-y
|
|||
|
|||
small industrial roller shutter door
In message , Autolycus
writes "Tim Lamb" wrote in message ... Is there some trick to tensioning the balance spring on a second hand door? There are no obvious holes where a locking pin could have been removed and trying to do the job in situ is way beyond my strength. Unlike a domestic window blind, the shaft has a square section at both ends so you can't just lift one end and wind on some tension. The slats weigh about 75kg so lifting without mechanical aid becomes progressively harder as slats are wound on! I was reduced to using a block and tackle to lift the bottom of an open roller door to form a U shape, until it was high enough for a rope over the main part of the roll to take over and put a complete extra turn of tension on. Repeat as required. Not fun, but perhaps safer than risking anything spinning round. Oh! Fortunately I have access to a masted fork lift. Presumably your method involved fitting the side guides later? I had vaguely assumed that it would be possible to insert the tightly rolled door into the header brackets, wind on a few turns of tension and then engage the spring axle into the support cups. However, the access slots in the header brackets appear too narrow to accept a fully wound door. Fitting one of the brackets later does not seem very do-able as the frame is set partly inside the door opening. Grrr.... Roller door fitters must be very strong people. regards -- Tim Lamb |
Reply |
Thread Tools | Search this Thread |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Forum | |||
garage roller door motors? | UK diy | |||
Insulated Garage Roller Door.. | UK diy | |||
Door/shutter stay | UK diy | |||
van door roller | UK diy | |||
Temperemental electric garage-roller-door | Home Repair |