Wheelchair repair - As with every form of mechanical device, your Invacare wheelchair, featuring its moving parts (and then in some battery, motor and cases), should have all parts working smoothly in order for it to function correctly. Proper wheelchair maintenance is an important part of keeping a wheelchair in peak condition, and is something that ought to be performed frequently. Still, there will be times when, despite proper maintenance, replacing of a number of your Invacare wheelchair parts is going to be necessary.