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lever

A lever ( or US: ) is a simple machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum. A lever is a rigid body capable of rotating on a point on itself. On the basis of the locations of fulcrum, load and effort, the lever is divided into three types. Also, leverage is mechanical advantage gained in a system. It is one of the six simple machines identified by Renaissance scientists. A lever amplifies an input force to provide a greater output force, which is said to provide leverage. The ratio of the output force to the input force is the mechanical advantage of the lever. As such, the lever is a mechanical advantage device, trading off force against movement. The formula for mechanical advantage of a lever is




Load


/


Effort



{\displaystyle {\text{Load}}/{\text{Effort}}}

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  1. O

    Single lever tap not turning to hot

    Hi I bought a basin tap single lever. It lifts up & to the right but won’t turn to the left for hot I haven installed it yet I’ve only put it on my worktop.
  2. U

    Why does a 3/8" bush cistern lever actually measure 6/8" in diameter?

    Or does the 3/8" refer to the radius of the bush, not the diameter?
  3. O

    My kitchen tap is leaking from the cold lever

    Hi I have a leak on my kitchen tap it is coming out off the bottom of the cold lever. How do I get the lever off? Also would this tap have a cartridge in the cold & hot or will it be just tap has had it & I need to get a new one?
  4. Bogart

    Ease of changing a lever flush to a button flush

    Is it possible to change a lever flush handle for a push button one using same cistern? If so any pitfalls I should look out for. Thanks
  5. J

    How to install a Dudley concealed cistern toilet lever?

    Any advice as to how to install a Dudley concealed cistern toilet lever? The pack has three nuts but no instructions as to where they go.
  6. T

    Unable to remove lever on Methven sink mixer

    Hi All, I have a Methven mixer that is leaking around the base so I bought a Fixit-It repair kit. It does not have a red/blue cover for access to the grub screw at the front but a little indent at the back. I have tried using a 2.5mm allen key to remove the lever but cannot find the screw ...
  7. U

    Kitchen Tap lever loose

    I would appreciate any advice on how to reattach the lever on the Kitchen tap (see pictures). There is no grub screw hole on the level and the end does not unscrew so I am at a loss as to how to reattach it. Any advice greatly appreciated. Many thanks
  8. J

    Unable to remove lever on Grohe basin mixer tap

    I’m trying to replace a cartridge on a Grohe mixer tap but I can’t get beyond second stage! I have removed the grub screw,but cannot lift off the lever.I have applied some wd40 into the grub screw hole,..but the lever won’t budge. is there any other method for removing the tap lever?…help...
  9. R

    MDPE to copper lever valve

    I would like to fit a full bore quarter turn valve that takes 25mm MDPE on the inlet and 22mm copper on the other side. I can't seem to find one, but surely they exist - has anyone come across one? I need to replace a seized stopcock on a 25mm blue MDPE supply pipe to 22mm copper internal...
  10. M

    Help kitchen lever knob tap

    Hey my kitchen tap has lever knobs on both sides and the left one is leaking. Is there an easy way of fixing it?
  11. D

    Help Removing Bathtub Drain Lever

    Hello everyone, I've got an older style bathtub drain lever that I can't seem to find much information about. I was attempting to snake my drain but I can't get the linkage out of the overflow pipe, so the snake just goes down the overflow pipe and out the tub drain. I didn't want to just...
  12. L

    Bath Taps - Shower diverter (lever) leak repair?

    Hi there! our Heritage bath taps (see attached image) have a leak from the shower lever when diverted to the shower head. Unfortunately this model is over 15 years old and spare parts are no longer available. As a very amateur DIY-er I am not familiar with the inner workings of these sort of...
  13. J

    Full bore or Lever valve?

    I am thinking of making some improvements. I want to replace the existing isolating / stop valves which I think are just standard ones to full bore valves. However for ease of use I would like to have valves with a lever but I can't seem to find a full bore lever valve. On screwfix I see the...
  14. D

    Can't pull out lever mira shower after removing grub screw

    I would like to replace the lever of Mira shower so I removed the grub screw but cannot pull the current lever. It is stuck, if I pull too much the whole unit may fall. I sprayed some lubricant without success. Any ideas? Thanks.
  15. G

    can you just replace a valve lever?

    Hello, I have a leak from the quarter-turn isolation valve lever for the central heating flow connection. The leak was coming the connection so I put some tape round to see if that stopped the drip. It has but there is now coming from the screw that attaches the lever to the fitting. Replacement...
  16. A

    Remove a lever spindle tap (no grub screw)

    Hi, My tap is drippping and I wanted to try and replace the washer myself but am struggling to get the top part off. I have removed the lever handle and everything online says there should be a grub screw inside the hole that I can use an Allen key to open but it seems to be empty. I don't...
  17. J

    Shower diverter lever

    Hi, I have an Edwardian set of telephone taps on my bath and the crank in the shower diverter lever is snapped, it’s got a spline on the end to fit into the lever but I’m struggling to fin the part or even where the taps came from, I’d appreciate any knowledge on this, cheers Attachments...
  18. L

    How do you stop water going down small hole where the pop up lever is

    Hi Can any one answer this? Had a swirl minimalist mixer basin tap installed. It comes with a pop up waste. There is a small hole where the pop up lever sits behind the mixer taps however water seems to go down this hole when the lever is down and onto the floor under the sink when you wash...
  19. M

    How do I remove the lever from a Mira silver shower?

    Hi, I need to adjust the max temperature on my Mira silver shower but am stuck at the first hurdle. Can anyone tell me how to remove the temperature control level? I can’t see a screw to loosen but it won’t just pop off. any advice appreciated. thanks, mark
  20. B

    New Lever tap for kitchen query

    Good morning, I am not able to take photos of the following query but will describe it in as much detail as possible. At the moment I have an old style mixer tap in the kitchen (the one where you turn the handles) and the pipework seems fine (white pipes/wastepipe etc) the copper ones linked to...
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