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Questions And Answers
How often should I sharpen my knives?
Hone (Stage 3) the knife prior to each use if you want to maintain a razor sharp edge. After extensive use, if you have honed the knife
and it no longer slices food with ease, run the knife through Stages 2 and 3.
How do I get an even edge on my knife?
To get an even edge when sharpening, be sure to place the knife in the slot so the side of the blade rests against the outside face of the
blade guide (Fig. B1 and Fig. B2) and the cutting edge makes contact with the sharpening wheel as you're drawing the knife through
the slot. The outside face of each sharpening slot acts as a guide to insure that the knife is positioned at the perfect sharpening angle.
Allow adequate time for sharpening. When drawing the knife through the slots, allow approximately one second for each two inches of
blade. For example, if sharpening a knife with a 6-inch blade, you should take approximately three seconds for each pass. Pulling the
knife through too quickly may result in an uneven edge.
When sharpening the tip of the blade, lift up on the knife handle slightly as the curved portion of the blade is drawn through the blade
guides. Note: The greater the curve on the blade the more you will need to lift up on the handle; the less the curve, the less you will
need to lift up on the handle. Certain blades may not have a curve and therefore it will not be necessary to lift up on the handle as you
draw the tip through the slots.
How can I tell if my knife is sharp?
Use it to slice food. If the knife does not slice the food with ease, it needs additional sharpening. Repeat Stages 2 and 3. If the knife is
extremely dull, repeat stages 1, 2, and 3.
My knife is not sharp and I’ve gone through the whole knife sharpening procedure twice. What am I doing wrong?
Although unusual, there are times when you will have to repeat Stages 1, 2, and 3 more than once. This may occur during the first
sharpening of a knife that has been improperly sharpened by another process previously. It may also occur when sharpening knives of
tempered steel which have extremely hard blades, such as some hunting knives.
To sharpen these types of knives with the Presto
®
knife sharpener, simply continue to repeat Stages 1, 2, and 3 until the knife cuts
food easily. Depending on the condition of the blade, you may have to repeat the process several times. (In extreme cases, this could
be 10 times or more.) This extended process will only be necessary the first time you use the knife sharpener for this type of knife.
Thereafter, you will be able to sharpen your knife following the normal sharpening procedure.
Sometimes the sharpening wheels stall when I am drawing the knife through the blade guides. What causes this?
The knife sharpener is designed so that very little effort is needed to draw the knife through the blade guides. If too much downward
pressure is applied to the knife as it is being drawn through the blade guides, the sharpening wheels may stall.
Can I sharpen serrated knives with my Presto
®
electric knife sharpener?
Yes, with the exception of electric serrated knives or knives serrated on both sides. To sharpen non-electric serrated knives, use only
the slots in Stages 2 and 3 and only sharpen the smooth side of the knife blade (the side without the grooves or scallops). Note: Each
time the knife is sharpened, a portion of the serration is being removed. Over a long period of time, the serration on the knife may be
completely removed and you may have a knife blade similar to a utility knife.
Occasionally I see sparks when sharpening my knives. What causes this?
Knives with high carbon content (usually higher quality knives) sometimes will spark when they come in contact with the sharpening
wheels. This is normal.
Care and Cleaning
Always unplug the knife sharpener before cleaning.
The outside surface of the knife sharpener may be cleaned with a damp cloth. Do not use abrasives. Never immerse the knife
sharpener in water or any other liquid. Do not use any type of lubrication with the Presto
®
Professional EverSharp
®
electric knife
sharpener.
Your knife sharpener has three special receptacles on the bottom of the unit for collecting metal filings from your knives. Occasionally
empty the receptacles by removing the red plastic plugs on the bottom of the unit and shaking out the metal filings that have collected
inside. This should be done at least once a year under normal usage.
Any maintenance, other than that described here should be performed by the Presto Factory Service Department.
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