Powermatic 64A User Manual download pdf (Page 20)

20

Basic Saw Operation

1. Familiarize yourself with the location and

operation of all controls and adjustments

and the use of the mitre gauge and rip

fence.

2. Serious injury can result from kickbacks

which occur when a workpiece binds on the

saw blade or binds between the saw blade

and rip fence or other fixed objects. This

binding can cause the workpiece to lift up

and be thrown toward the operator.

Listed below are the conditions which can

cause kickback and should be thoroughly

familiar to the operator.

• Confining the cutoff piece when

crosscutting or ripping.

• Releasing the workpiece before

completing the operation or not pushing the

workpiece all the way past the saw blade.

• Not using the splitter when ripping or not

maintaining alignment of the splitter with the

saw blade.

• Using a dull saw blade.

• Not maintaining alignment of the rip

fence. (Fence should angle away from,

rather than towards, the saw blade front to

back.) NOTE: A caution decal on guard

and splitter assembly warns against

misalignment.

• Applying feed force in ripping to the

cutoff (free) section of the workpiece instead

of the section between the saw blade and

fence. Use push sticks or push blocks for

narrow, thin, or short work.

• Ripping wood that is twisted (not flat), or

does not have a straight edge, or has a

twisted grain.

To minimize or prevent injury from

kickbacks:

• Avoid conditions listed above.

• Wear a safety face shield, goggles, or

glasses.

• Do not use the miter gauge and rip

fence in the same operation unless provision

is made of a facing board on the fence to

allow the cutoff section of the workpiece to

come free before the cut is started. (see

Figure 42)

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