The old method of cast-iron weights used to counterbalance the weight of the window sash have long been replaced by the simpler spring balance method of keeping a window secure. These spring balances are not immune to damage, however, and must sometimes be repaired. Because spring balances are self-contained systems, it is necessary to replace them when a repair is necessary. Luckily, replacing the spring balance on a window can be done in a few simple steps. Writer Bio
