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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 this 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 guide slots. What causes this?
The knife sharpener is designed so that very little effort is needed to draw the knife through the slots. If too much downward pressure
is applied to the knife as it is being drawn through the slots, the sharpening wheels may stall.
Sometimes the adjustable blade guides move when I am sharpening the knife. What causes this?
If, while drawing the knife through the blade guide slots, too much pressure is applied against the face of the blade guide, the blade
guide may move. Apply less pressure while sharpening.
Can I sharpen serrated knives with my 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). Draw the
knife through the slots using very little pressure.
NOTICE: Each time the serrated knife is sharpened, a portion of the serration is 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 that of a utility knife.
Occasionally I see sparks when sharpening my knives. What causes this?
Knives with high carbon content (usually higher quality knives) will sometimes 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 knife sharpener.
Your knife sharpener has two special receptacles on the bottom of the unit for collecting metal filings from your knives. Occasionally
empty these receptacles by removing the red plastic plugs on the bottom of the unit and shake out the metal filings that have collected
inside. This should be done about once a year under normal usage.
Consumer Service Information
If you have any questions regarding the operation of your Presto
®
appliance or need parts for your appliance, contact us by any of
these methods:
• Call 1-800-877-0441 weekdays 8:00 AM to 4:00 PM (Central Time)
• Email us through our website at www.GoPresto.com/contact
• Write: National Presto Industries, Inc., Consumer Service Department
3925 North Hastings Way, Eau Claire, WI 54703-3703
Inquiries will be answered promptly by email, telephone, or letter. When emailing or writing, please include a phone number and a
time when you can be reached during weekdays if possible. When contacting the Consumer Service Department, please indicate the
model and series numbers for the knife sharpener. These numbers can be found on the bottom of the knife sharpener. Please record this
information:
Model _______________ Series _______________ Date Purchased _______________
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