Darex Ken Onion Edition, Work Sharp Ken Onion Edition User Manual

USER’S GUIDE

WORKSHARPTOOLS.COM

T

o reduce the risk of injury, the user must read and understand this instruction

manual before using product. Save these instructions for future reference.

• CA

UTION!

Table of Contents

Safety Information.........................................................................3

Sharpening Basics ..........................................................................8

Getting To Know Your Tool ..........................................................10

Setting Up Your Tool ....................................................................12

Know Your Knife ...........................................................................13

Sharpening Reference Chart .......................................................14

Sharpening Outdoor Knives ........................................................15

Sharpening Serrated Knives........................................................17

Sharpening Fillet Knives ..............................................................18

Sharpening Gut Hooks .................................................................18

Sharpening Kitchen Knives .........................................................19

Sharpening Scissors .....................................................................20

Grinding, Polishing, Deburring ....................................................21

Tool Grinding Attachment ...........................................................22

Blade Grinding Attachment .........................................................24

Troubleshooting ...........................................................................26

Parts Index ....................................................................................27

Thank you for purchasing this tool. Your support makes a real

impact on our small business. We are confident you will be very pleased with
your purchase. If that is not the case, please contact us. We know you work
hard for your money and we want to provide you with a high performance,
high value tool. Please keep in touch and let us know how we’re doing. Until
then, stay sharp out there…

Team Darex,
Ashland Oregon

3

You will be creating incredibly sharp knives and tools with this sharpener .
Please handle them with care. Use caution to avoid cutting yourself.

General Power Tool Safety Warnings

• WARNING! Read all safety warnings and all instructions. Failure

to follow the warnings and instructions may result in electric shock, re

and/or serious injury .
Save all warnings and instructions for future reference. The term “power

tool” in the warnings refers to your mains-operated (corded) power tool or
battery-operated (cordless) power tool.

• WARNING! CHOKING HAZARD!

Small Parts - Not for children under 3-yrs.

SAVE THESE INSTRUCTIONS

1) Work area safety
a) Keep work area clean and well lit. Cluttered or dark areas invite accidents.
b) Do not operate power tool in explosive atmospheres, such as in the

presence of ammable liquids, gases or dust. Power tools create sparks
which may ignite the dust or fumes.

c) Keep children and bystanders away while operating a power tool.

Distractions can cause you to lose control.

2) Electrical safety
a) Power tool plugs must match the outlet. Never modify the plug in any

way. Do not use any adapter plugs with earthed (grounded) power tools.

Unmodied plugs and matching outlets will reduce risk of electric shock.

b) Avoid body contact with earthed or grounded surfaces such as pipes,

radiators, ranges and refrigerators. There is an increased risk of electric

shock if your body is earthed or grounded.

c) Do not expose power tools to rain or wet conditions. Water

entering a power tool will increase the risk of electric shock.

d) Do not abuse the cord. Never use the cord for carrying, pulling

or unplugging the power tool. Keep cord away fr om heat, oil,
sharp edges or moving parts. Damaged or entangled cords increase the risk

of electric shock.

e) When operating a power tool outdoors, use an extension cord suitable for

outdoor use. Use of a cord suitable for outdoor use reduces the risk of electric

shock.

f) If operating a power tool in a damp location is unavoidable, use a residual

current device (RCD) protected supply. Use of an RCD reduces the risk of

electric shock.

Safety Information

4

3) Personal safety
a) Stay alert, watch what you are doing and use common sense when

operating a power tool. Do not use a power tool while you ar e tir ed

or under the inuence of drugs, alcohol or medication. A moment of
inattention while operating power tool may result in serious personal injury .

b) Use personal protective equipment. Always wear eye protection.

Safety equipment such as dust mask, non-skid safety shoes, hard
hat, or hearing protection used for appropriate conditions will reduce
personal injuries.

c) Prevent unintentional starting. Ensure the switch is in the off-position

before connecting to power sour ce or battery pack, picking up or
carrying the tool. Carrying power tools with your nger on the switch or

energizing power tools that have the switch on invites accidents.

d) Remove any adjusting key or wrench befor e turning the power tool on. A

wrench or a key left attached to a rotating part of the power tool may result in
personal injury .

e) Do not overreach. Keep proper footing and balance at all times. This

enables better control of the power tool in unexpected situations.

f) Dress properly. Do not wear loose clothing or jewelry. Keep your hair,

clothing and gloves away from moving parts. Loose clothes, jewelry or

long hair can be caught in moving parts. Air vents often cover moving parts
and should also be avoided.

g) If devices are provided for the connection of dust extraction and collection

facilities, ensure these are connected and pr operly used. Use of dust

collection can reduce dust-related hazards.

4) Power tool use and care
a) Do not force the power tool. Use the corr ect power tool for your

application. The correct power tool will do the job better and safer at the rate

for which it was designed.

b) Do not use the power tool if the switch does not turn it on and off. Any

power tool that cannot be controlled with the switch is dangerous and must
be repaired.

c) Disconnect the plug from the power source before making any

adjustments, changing accessories, or storing power tools. Such

preventative safety measures reduce the risk of starting the power tool
accidentally.

d) Store idle power tools out of the r each of childr en and do not allow

persons unfamiliar with the power tool or these instructions to operate
the power tool. Power tools are dangerous in the hands of untrained users.

e) Maintain power tools. Check for misalignment or binding of moving

5

parts, breakage of parts and any other condition that may affect the
power tool’ s operation. If damaged, have the power tool repair ed befor e
use. Many accidents are caused by poorly maintained power tools.

f) Keep cutting tools sharp and clean. Properly maintained cutting tools with

sharp cutting edges are less likely to bind and are easier to control.

g) Use the power tool, accessories and tool bits etc., in accordance with these

instructions, taking into account the working conditions and the work
to be performed. Use of the power tool for operations different from those

intended could result in a hazardous situation.

5) Service

• Have your power tool serviced by a qualied repair person using only identical

replacement parts. This will ensure that the safety of the power tool is maintained.

• Do not dispose of electrical products with household waste.

Waste electrical products should not be disposed of with household
waste. Please recycle where facilities exist. Check with your local
authority or retailer for recycling advice.

• To replace a damaged power supply cord (Type Y), your power

tool must be returned to the Service Center.

Specific Safety Rules

• WARNING: AL WAYS use proper safety glasses. Everyday

eyeglasses are NOT safety glasses. Also use face or dust mask
if operation is dusty . AL WAYS WEAR CERTIFIED SAFETY
EQUIPMENT.

• WARNING: Some dust created by power sanding, sawing, grinding,

drilling, and other construction activities contains chemicals known to
cause cancer, birth defects or other reproductive harm. Some examples of
these chemicals are:

• lead from lead-based paints,

• crystalline silica from bricks and cement and other masonry products, and

• arsenic and chromium from chemically-treated lumber (CCA).

Your risk from these exposures varies, depending on how often you do this type
of work. To reduce your exposure to these chemicals, work in a well ventilated
area, and work with approved safety equipment, such as those dust masks that

are specially designed to lter out microscopic particles.

Darex, LLC
210 E. Hersey St.
Ashland OR 97520
USA

Tel.: [phone]
Fax.: [phone]
E-mail: [e-mail]
Internet: www.worksharptools.com

6

• WARNING: Use of this tool can generate and/or disperse dust, which

may cause serious and permanent respiratory or other injury. Always

use NIOSH/ OSHA approved respiratory protection appropriate for the dust
exposure. Direct particles away from face and body.

• CAUTION: Wear appr opriate hearing protection during use. Under some

conditions and duration of use, noise from this product may contribute to hearing loss.

• Hold tool by insulated gripping surfaces when performing an operation where

the abrasive belt may contact hidden wiring or its own cord. Contact with a
“live” wire will make exposed metal parts of the tool “live” and shock the operator .

• Always hold tool rmly.

• Use clamps or another practical way to secur e and support the work piece to a

stable platform. Holding the work by hand or against your body leaves it unstable
and may lead to loss of control.

• Avoid prolonged contact with dust from power sanding, sawing, grinding,

drilling, and other construction activities. Wear protective clothing and wash
exposed areas with soap and water. Allowing dust to get into your mouth, eyes,

or lie on the skin may promote absorption of harmful chemicals.

SAFETY GUIDELINES — DEFINITIONS

It is important for you to read and understand this manual. The information
it contains relates to protecting YOUR SAFETY and PREVENTING
PROBLEMS. The symbols below are used to help you recognize this
information:

• DANGER: Indicates an imminently hazardous situation which, if not

avoided, will result in death or serious injury .

• WARNING: Indicates a potentially hazardous situation which, if not avoided,

could result in death or serious injury .

• CAUTION: Indicates a potentially hazardous situation which, if not avoided,

may result in minor or moderate injury .

CAUTION: Used without the safety alert symbol (•) indicates a potentially

hazardous situation which, if not avoided, may result in property damage.

The label on your tool may include the following symbols.

V ...................Volt A .............amperes

Hz

..................Hertz W ............ watts

min

................minutes .......... alternating current

...............direct current

n

o............ no load speed

.................Class II Construction ........... earthing terminal

• ..................safety alert symbol rpm ......... revolutions or

......................... reciprocations per minute

7

Motor

Be sure your power supply agrees with nameplate marking. 110 Volts AC
only means your tool will operate on standard 60 Hz household power. Do not
operate AC tools on DC. A rating of 110 volts AC/DC means that your tool
will operate on standard 60 Hz AC or DC power. This information is printed on
the nameplate. Lower voltage will cause loss of power and can result in over­heating.

Extension Cords

When using an extension cord, be sure to use one heavy enough to carry the
current your product will draw. An undersized cord will cause a drop in line
voltage resulting in loss of power and overheating. The following table shows
the correct size to use depending on cord length and nameplate ampere rating. If
in doubt, use the next heavier gage. The smaller the gage number, the heavier the
cord.

SAVE THESE INSTRUCTIONS

Minimum Gauge for Cord Sets

Volt Total Length of Cord in Feet

120V

0 - 25

(0-7.6 m)

26 - 50

(7.6-15.2 m)

51 - 100

(15.2-30.4 m)

101 - 150

(30.4-45.7 m)

230V

0 - 50

(0-15.2 m)

51-100

(15.2-30.4 m)

101-200

(30.4-60.9 m)

201-300

(60.9-91.4 m)

Ampere Rating

American Wire Gauge

More Than Not More

Than

0 6 18 16 16 14

6 10 18 16 14 12
10 12 16 16 14 12
12 16 14 12 Not Recommended

Intended Uses:

• Grinding, Sharpening and Honing applications on knives and tools.

• Light duty grinding in metal.

• Only for use with consumer applications.

• Tool should only be used with sharpening cassette installed.

Unintended Uses:

• Industrial or commercial grinding or sharpening applications.

• Extended, continuous heavy duty use.

8

What edge angle and why?

Our recommendations (found in section 4) are based on our extensive testing and
driven by three primary factors: 1) Optimizing the edge angle for the intended
purpose of the knife. 2) Optimizing edge retention for the knife’s purpose. 3) Speed of
sharpening process.

Why is a convex edge superior?

Our blade use and sharpness testing have taught us that a convex edge is a superior
edge. The smooth radius edge type does not have ‘shoulders’ like a flat grind and
creates less friction or resistance when cutting. A convex edge provides more steel
behind the edge to support it, so the edge stays sharper longer. Lastly, our convex
method thins the bevel when you sharpen the blade, while flat ground blades get
thicker and thicker as you re-sharpen.

The Sharpening Process

Angle Changes - what to expect with a decreased angle:

Duration: If you are sharpening a knife to an angle lower than the factory grind

(example: factory 25° sharpening to a 15°), you should expect this process to take
longer. This is due to the amount of material being removed to ‘thin’ the edge. Expect
this reduced angle edge to be more prone to damage and edge rolling.

Bevel height: You should also expect the look of your edge to change if you are
decreasing the edge angle. The height of the bevel will increase as the edge angle is
reduced and create more surface area. This also increases sharpening time since the
surface area of the blade being sharpened is higher.

Most knives are
flat ground and
have a smaller
bevel height or
surface area.

Factory

Re-sharpening
to a lower
angle and a
convex grind
takes time.

In Process

Sharpen until
a burr is raised
before switching
to a finer grit belt.

Continue to Next Grit

Burr

Sharpening Basics:

9

Definitions of sharp:

• Toothy Sharp: This is a sharp edge that has micro serrations at the cutting edge

and is considered a ‘toothy’ edge since it bites into material. This is the ideal knife
edge for general kitchen use and a working edge on a pocket knife for tasks like
cutting rope or boxes.

• Shaving Sharp: This is a sharp edge that has been sharpened / honed / refined
past a Toothy edge. The micro serrations or ‘teeth’ have been honed away to
reveal a smooth keen edge. This is the ideal edge for field dressing animals or
cutting raw meat in the kitchen.

• Shiny Sharp: This is a sharp edge that has been honed / stropped past a Shaving
Sharp edge. This lower angle edge has a mirror reflective bevel that has little to no
abrasive scratches in the surface finish of the blade and is the ultimate edge. No
bleeding please!

The fastest way to a sharp edge: Toothy Sharp

• Outdoor Knife: Angle = 25° | Speed = Low/Med

- X65: 6-10 strokes, then X22 (2 strokes)

• Kitchen Knife: Angle = 20° | Speed = Low

- X65: 4-8 strokes, then X22 (2 strokes)

For a more refined cutting edge: Shaving Sharp

• Outdoor Knife: Angle = 25° | Speed = Low/Med

- X65: 6-10 strokes, then X4 (10 strokes)

• Kitchen Knife: Angle = 20° | Speed = Low

- X65: 4-8 strokes, then X4 (10 strokes)

For the ultimate cutting edge: Shiny Sharp

• Outdoor Knife: Angle = 22.5° | Speed = Low/Med

- X65, then X22, then X4 (10 strokes each)

• Kitchen Knife: Angle = 17.5° | Speed = Low

- X65, X22, and X4 (10 strokes each)

Note: Stroke count is for each side of the blade.

Sharpening Basics (cont.)