How To Safely Replace Planer Blades

Planer blades will need to be cared for and replaced over the life of the machine. The need to sharpen and align the blades to get the most out of the machine is something that every operator should know how to do. A few things should be kept in mind to accomplish this safely and properly.

The first, and likely most important, thing that must be done before ever attempting the changing or removal of planer blades is to turn off the power or unplug the planer from the source. This point cannot be stressed enough because even when dull, the blades are still sharp enough do quite a bit of damage at the speeds a planer runs. Once the machine is disconnected from the power source, then the blade change can be completed.

Depending on the style of planer, there may be a guard or plate that will need to be removed to access the spindle. The machine’s manufacturer will have provided instructions regarding what must be removed in order to access the planer blades. These instructions should be read and followed carefully in order to reduce the possibility of injury during the change or once the machine is back in use.

The majority of planers sold today have screws that hold the blades in place on the spindle. There are usually three to four of these screws, depending on the machine. These should be removed and care should be taken not to strip the slots. The old blades will need to be disposed of properly or set aside for future use in another application. They should never be returned to service in the planer because this can yield ineffective and dangerous results.

New planer blades may be installed by simply reversing the removal process. Be sure that the blade edge is oriented the same way the old blade was. Read and follow the manufacturer’s directions for the safe operation and maintenance of the machine and it will reward you with years of trouble-free service.