How To Remove Double Hung Window

How to Gear up a Double-Hung Window

Updated: Aug. 27, 2019

Complete instructions for how to repair a broken double-hung window.

Family unit Handyman

Repair a broken double-hung window by repairing the jamb liner. This is a DIY repair that you lot tin do once you have the correct parts and these complete, stride-by-step instructions with photos to guide you through the unabridged process.

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Fourth dimension

A full mean solar day

Complexity

Intermediate

Cost

$51–100

Fixing a broken window weigh on a double-hung window

Photograph i: Remove the sash

Remove the window sash from the vinyl track. The sash has to be low and level before you lift the offset side out of the jamb liner.

Close-upwardly of Photo i

The trivial metal cam on the bottom corner of your sash will brake the locking terminal that's under tension inside the track

Photograph 2: Release the pawl

Start by employing a prophylactic step: Release the tension on the undamaged sash remainder. Insert a screwdriver on the locking terminal and twist clockwise to release the pawl. Brace yourself—at that place will be immediate upward tension.

Photo 3: Raise the locking concluding

Slowly raise the locking concluding and let it residue at the bottom of the rest cartridge.

Photo four: Remove the jamb liner

Remove this blazon of vinyl jamb liner by working a stiff putty knife between the window stop and the runway. Grab the vinyl edge with one hand, so pry the knife outward to release the jamb liner and avert damaging the wood stop.

Photo 5: Slide out the bad cartridge

Study the jamb liner components and how they're put together. Determine which is the top end of the jamb liner and which is the sill cease (the angled cut). Remove the foam cap at the top, release the South-clip and slide out the bedridden remainder cartridge. Remember which remainder cartridge came from which channel of the vinyl jamb liner. The cartridge with the shorter Due south-clip is always installed on the exterior side of the window.

Photograph 6: Replace a broken locking last

CAUTION! Parts nether tension. Wear safety glasses for this footstep. To install a new locking terminal (the place where the nylon cord is properly strung in the pulley system), get-go past firmly clamping the balance cartridge to a workbench. Pull out six to 8 in. of cord, position a locking pliers at the bottom of the cartridge, clamp the cord end—to resist spring tension—so thread the cord through a new locking terminal. Tie a knot on the stop of the cord, catch the terminal, release the pliers and slowly retract the locking terminal to the bottom of the cartridge.

Photograph 7: Reassemble the residual

Position the locking concluding at the end of the cartridge so the pawl is facing up and toward what is the room side of the window opening. Slide the cartridge down the center of the channel in the vinyl jamb liner and hook the South-prune over the top of the track. Replace the cream cap and reinstall the vinyl unit into the window opening.

Imagine this: You're taking ane of your wood double-hung window sashes out of its frame when suddenly and violently, the spring-loaded balance releases and snaps up into the vinyl jamb liner. The get-go fourth dimension this happens, you lot stand there in shock. And so you observe broken plastic parts on the flooring and that at that place's no longer any tensioning force to concur the sash open later you put the sash back into the window jamb liner (or track). You must decide if you'd adopt to let a pro handle this repair. If so, search online or expect in the Yellow Pages nether "Windows, Repairs." Search for outfits specializing in a range of window repair work, and avoid the listed hardware stores that may only replace cleaved glass. If you fix this yourself, choose one of the following three repair options (depending on the damage you place and/or your skill level):

1. Supervene upon the whole vinyl jamb liner unit (Photos ane – 4)—including both residual cartridges. This is the simplest just most costly approach. If y'all're a first do-it- yourselfer, go this route.
2. Replace only the balance cartridge that was broken (Photos i – five and 7). This inexpensive repair is for intermediate skill workers.
3. Take apart the crippled balance cartridge, supplant the broken locking terminal and (sometimes) restring the pulley mechanism (Photos ane – 7 and Fig. A). Tackle this simply if you're a highly experienced do-it-yourselfer.

First, become the repair parts. (Note: The parts and the repair techniques are different for woods windows and all-vinyl windows.) Double-hung wood window hardware may vary by make. To make sure you become the right parts, get-go refer to any product literature you may take. Then society repair parts from the manufacturer through the dealer where you lot bought your window. If the original part sources are unknown, y'all can buy generic parts over the Internet. If yous're going to buy either the entire vinyl track unit or simply the damaged balance cartridge, re-create the number stamped on the cartridge's face (inset, Fig. B). This number is the glass size code for your window; a parts retailer tin't fill up your order without information technology.

Whichever repair option you choose, if it'due south a wood double-hung window, you must outset remove the vinyl jamb liner unit from the window frame.

Note:

• Our window was a factory-fabricated unit, not an older window retrofitted with vinyl tracks.
• Each type of window has a different method for jamb liner installation.
• Our jamb liner came out of the left hand side of the window opening. For right-hand side jamb liners, reverse any instructions calling for turning a screwdriver clockwise or counterclockwise.

Carry out the steps relevant to your repair in Photos 1 – 7.

When the repair is complete, reinstall the vinyl track in the window frame. Reset the tension on the sash rest past reversing the before steps. Release the locking terminal's pawl, lower the terminal down to a point virtually 10 in. from the windowsill and twist your screwdriver counterclockwise to lock the final in the vinyl jamb. Carefully install your window sash past positioning one cam, and then the other, onto the meridian of each locking terminal. Next, level the tipped sash, then heighten the sash top and snap information technology back into the vinyl jamb liners.

Finally, lower the installed sash, and the braking pawls on each side of the sash will be released. Now that the window sash is under spring tension, render it to a fully closed position.

Window Balance Repair Figure A: Anatomy of a Window Balance

Our window uses a "cake-and-tackle" balance. Each window has four balances, ii per jamb liner. If the locking last is cleaved, the cord in ane cake-and tackle mechanism may accept snarled. To restring the pulley system, apply a pliers to grab the top of the tensioning spring and detach it from the holding pivot. One time the pulleys are restrung, run some cord out the lesser of the rest, clench information technology with a locking pliers and reconnect the pulley block to the leap. Insert the holding pin and install a new locking terminal (Photo half dozen).

Window Residuum Repair Figure B: Drinking glass Size Lawmaking

Record the drinking glass size lawmaking stamped on the residual cartridge. If you replace the whole cartridge, you'll need this code to society parts. Note the position of both the locking last and the braking pawl earlier the unit of measurement is installed in the jamb liner (Photo 7).

Required Tools for this sash window repair projection

Have the necessary tools for this DIY project lined upwardly before you starting time—you'll salve fourth dimension and frustration.

Originally Published: Baronial 27, 2019

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