Spiral Sash Balance Installation
Type 'D' Balances

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Mighton UK3.Installing Balances

It is important to note that short balances are used for top sash and long balances are used for bottom sash, assuming sashes are of equal height.

When sashes are of equal size and in lowered position, the balances can be easily inserted into the grooves. See Fig 9. In the case of unequal size sashes, it is slightly possible to slightly bow the balance for insertion into the groove of the larger sash. In some cases larger sashes may have to be removed.
Fix top of frame balances to the frame jamb at the centre of the groove and tighten up against the frame head, using drive screws supplied.(fig 10)
Mighton UK4. Fix Travel Stops

Fix travel stops as provided, the shorter one at the top of the bottom sash run (see fig 11.)
In the case of non standard applications, special stops may be required. (Instructions will be on the packing notes in such cases.)

Mighton UK5. Fix Foot Attachments
Raise the sashes as high as possible and prop up. Fix foot attachments ensuring that spiral rod is located between sides of fitting.
(Fig 12. Secure standard foot with screws provided.)



(Fig 13. Firstly fix channel with screws provided, then bend end of fitting to create interference fit, insert into channel and tap home.)
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