Craftsman 146669950 User Manual WET SHARP MACHINE Manuals And Guides L1005393

User Manual: Craftsman 146669950 146669950 CRAFTSMAN WET SHARP MACHINE - Manuals and Guides View the owners manual for your CRAFTSMAN WET SHARP MACHINE #146669950. Home:Tool Parts:Craftsman Parts:Craftsman WET SHARP MACHINE Manual

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2905A56

owner's manual
_/___/__ / CRAFTSMAN

WET SHARP
MACHINE

CAT. NO.
146,669950

CAUTION:
Read
Safe
and

Rules

for

Operation
Instructions

Carefully
•

Introduction
•

Operation

Sold by SEARS,

2905A56

ROEBUCK

AND

CO., Chicago,

IL 60684

US.A.

FULL

ONE

YEAR

WARRANTY

CRAFTSMAN

WET

If this Craftsman
Wet Sharp Machine fails to give complete
purchase, RETURN IT TO THE NEAREST
SEARS STORE
Sears will repair it, free of charge.
If the Wet Sharp Machine is used for commercial
from the date of purchase.
This warranty
to state.

SEARS,

gives

you specific

ROEBUCK

legal

AND CO.

rights,

DEPT.

or rental

SHARP

MACHINE

satisfaction within one year from the date of
THROUGHOUT
THE UNITED STATES and
purposes

this warranty

and you may also have other

698/731A

SEARS

applies

rights

TOWER

which

for only 90 days
vary from state

CHICAGO,

IL 60684

INTRODUCTION
IMPORTANT
-- Servicing
of a tool with double
insulation requires extreme care and knowledge
of the system and should be performed only by a
qualified service technician.
For service we suggest you return the tool to your nearest Sears
Store for repair. Always use original factory replacement
parts when servicing.

DOUBLE
INSULATION
is a concept in safety, in
electric power tools, which eliminates
the need for
the usual three wire grounded
power cord and
grounded
supply system. Wherever there is electric
current
in the tool there are two complete
sets of
insulation
to protect the user. All exposed
metal
parts are isolated
from the internal metal motor
components
with protecting
insulation.

RULES

FOR

SAFE

OPERATION

WARNING--DO
NOT ATTEMPT
TO OPERATE
UNTIL
YOU HAVE READ THOROUGHLY
AND
UNDERSTAND
COMPLETELY
ALL INSTRUCTIONS,
RULES, ETC. CONTAINED
IN THIS MANUAL.
FAILURE
TO COMPLY CAN RESULT IN ACCIDENTS
INVOLVING
FIRE, ELECTRIC
SHOCK, OR
SERIOUS
PERSONAL
INJURY. SAVE OWNER'S
MANUALAND
REVIEW FREQUENTLY
FOR CONTINUING
SAFE OPERATION,
AND INSTRUCTING
POSSIBLE
THIRD-PARTY
USER.

READ

ALL

INSTRUCTIONS

1. KNOW
YOUR POWER
TOOL-Read owner's
manual
carefully.
Learn its applications and limitations
as well as the specific
potential
hazards
peculiar
to this tool.
2.

KEEP

GUARDS

KEEP

WORK

AVOID

tions or expose to rain. Keep work area well lit.
KEEP CHILDREN
AWAY. All visitors should
be kept a safe distance

AREA

STORE

IDLE

DON'T

designed.
USE RIGHT
tool.

Don't

contact

TOOL.

TOOL.
use tool

areas
Don't

10.

Rubber

wear

protective

gloves

and benches
use power

invite

accidents.

tool in damp

or wet loca-

from work area.

cord.

not in use, tools should

be stored

in dry, high or locked-

of children.
It will do the job better

Don't

force

for purpose

small

tool

and footwear

hair covering

USE SAFETY
GLASSES
sistant
lenses,
they are
operation
is dusty.

with
NOT

and safer

or attachment

not intended--for

for cutting
tree limbs or logs.
9. WEAR
PROPER
APPAREL.
No loose
parts.

order.

tool or extension

When

of reach

FORCE

Cluttered

ENVIRONMENT.

TOOLS.

up place--out

and in working

CLEAN.

DANGEROUS

Do not let visitors
6.

PLACE

clothing
long

rate for which

to do the job of a heavy

example--Don't
or jewelry

are recommended

to contain

at the

when

use a circular

to get
working

caught

it was
duty
saw

in moving

outdoors.

Also,

hair.

all tools. Everyday
eyeglasses
only
safety
glasses.
Also face or dust

have impact
remask if cutting

RULES FOR SAFE OPERA TION (Continued)
12.

DON'T
ABUSE
ceptacle.
Keep

13.

SECURE
and

CORD.
Never carry tool by cord or yank
cord from heat, oil and sharp edges.

WORK.

it frees

Use clamps

both

hands

14.

DON'T

15.

MAINTAIN

OVERREACH.
TOOLS

and safest
sories.

performance.

or avise

to operate
Keep

WITH

proper

CARE.

and

tools

instructions

for

DISCONNECT
REMOVE
that keys

18.

AVOID ACClDENTALSTARTING.
Be sure switch
is off when plugging

Don't
in.

19.

NEVER

ATMOSPHERE.

could

USE
ignite

INSPECT

IN AN

than

using

your

re-

hand

at all times.

at all times,

lubricating

in use or before

EXPLOSIVE

for best

changing

acces-

and

servicing.

KEYS AND WRENCHES.
Form
wrenches
are removed
from tool
carry

and clean

plugged-in

habit of checking
to see
before turning
it on.
toolswith

Normal

fingeron

sparking

switch.

of the

motor

fumes.
TOOL

nearest

not

balance

sharp

17.

20.

when

footing
Keep

16.

ADJUSTING
and adjusting

It's safer

from

tool.

TOOLS

to hold work.

it to disconnect

Sears

CORDS

Repair

PERIODICALLY

and

if damaged,

repaired

at your

Center.

21.

INSPECT

EXTENSION

22.

KEEP TOOLS
DRY, CLEAN,
AND FREE FROM
clean cloth when cleaning.
Never use brake fluid,
clean yot_r tool.

23.

STAY ALERT.
tool when you

CORDS

24.

CHECK

Watch what
are tired.

DAMAGED

have

you

PARTS.

PERIODICALLY

are doing

Before

and

further

and

replace

OILAND
gasoline,

GREASE.
Always use a
or any strong solvents
to

use common

use of the tool,

if damaged.

sense.

Do not operate

aguard

or other

part that

is damaged
should
be carefully
checked
to determine
that it will operate
properly
and perform
its intended
function.
Check for alignment
of moving
parts, binding
of
moving
parts, breakage
of parts, mounting,
and any other conditions
that may affect
its operation.
A guard or other part that is damaged
should
be properly
repaired
or
replaced
by an authorized
service
center unless indicated
elsewhere
in this instruction manual.
25.

DO NOT

26.

switches
N EVER
tool

USE TOOL

IF SWITCH

DOESNOTTURN

replaced
by authorized
LEAVE TOOL RUNNING

until

27.

REPLACE

28.

WHEN

29.

THIS

30.

MAKE
starting

31.

ADJUST
clearance

32.

SAVE

it comes
SERVICING

TOOL

WHEEL
USE

KID

TURN

OFF.

POWER

OFF.

Don't

leave

IMMEDIATELY.

FOR
PROOF

IDENTICAL

REPLACEMENT

RESIDENTIAL
with padlocks,

USE

PARTS.

ONLY.

master

switches,

DISTANCE
BETWEEN
WHEEL
& TOOL
REST.
Maintain
as the diameter
of the wheel decreases
with use.

THESE

Have defective

stop.

ONLY

IS INTENDED

WORKSHOP
keys.

service
center.
UNATTENDED.

to a complete

CRACKED

IT ON AND

or by removing
1/16"

or less

INSTRUCTIONS.

The operation of the Wet Sharp Machine can result in foreign objects being thrown
into the eyes, which can result in severe eye damage. Always wear safety glasses or
eye shields before commencing
power tool operation.
We recommend
Wide Vision
Safety Mask for use over spectacles
or standard
safety glasses, available
at Sears
Catalog Order or Retail Stores.

FEATURES

AND ADJUSTMENTS

HOUSING
STC
SCISSOR

ON/OFF

GUIDE
_WER CORD

GRINDING
WHEEL
HOUSING

SCREWS

ADJUSTABLE
TOOL REST

WATER

RESE

FELT

BOTTOM
HOUSING

WIPER

SCISSOR
BLADE RELIEF
ANGLE
SELECTOR
GUIDE

tOOL

RETAINING

REST

KNOB

Fig. 1

LEG

This
unique
design
of the Wet Sharp
Machine
incorporates
the features
most
desired in a wet grinding
and sharpening
machine.
HOLLOW

GROUND

Fig.

EDGE:

A sharp tool makes any cutting job easier.
Wet hollow grinding
has been known to
produce a superior, keen cutting edge. See
Fig. 2.

COOLING

CURVATURE
OF WHEEL
CREATES
"HOLLOW
GROUND"

EDGE

Capillary attraction
pulls water from reservoir through
wiper which
maintains
an
evenly wet grinding surface. The wiper also
wipes the wheel clean of swarf, the gritty
residue
which
grinding
produces.
Once
wheel is soaked and reservoir full of water,
the machine will stay wet and cool for hours
of use.

SYSTEM:

Friction produced in the grinding
process
generates heat which could ruin the temper
of the blade or tool being sharpened.
The
unique wiper of the Wet Sharp Machine
keeps the grinding wheel and cutting edge
cool.
The grinding wheel is porous and will absorb
the water like a sponge. Centrifugal
force
keeps the water on the wheel's
surface
which gives the wheel a wet sheen.

Fill with tap water or in areas where the
water is extremely
hard, use distilled water.
Distilled
water will reduce the amount of
mineral deposits in the wiper (See MAINTENANCE-Care
of Wiper).

FILLING

THE

COOLING

SYSTEM:

Loosen tool rest knobs and allow tool
rest to hang down as shown in Fig. 4. Remove wiper as shown in Fig. 3, and soak
with water. Replace wiper.
Take some water in a container and pour
it "SLOWLY,"
directly on the wheel with a
back and forth motion as shown in Fig. 4.
IT IS IMPORTANT
TO SOAK THE
WHEEL:
continue pouring water on the
wheel until water level in the reservoir is
about
3/4 full. Reservoir
capacity
is
approximately
1/2 oz. Do not overfill. See
Fig. 5.

!i
II

Fig.

3
GRINDING

POUR WATER
ACROSS
WHEEL

WHEEL__,_

FILL

LEVEL

t
Fig. 4

RESERVOIR

Fig. 5
Fig. 7

RETAINING

LEG

When extended
and hooked over a
table or bench edge the retaining leg
prevents
the Wet Sharp
Machine
from
moving
when
doing
heavy
grinding. Folds up and out of the way
when not required.

Fig. 6
RETAINING

ADJUSTABLE

TOOL

LEG SHOWN

EXTENDED

RETAINING
HOUSING

LEG FOLDS UP INTO
WHEN
NOT REQUIRED

REST

Using the angle selector guide as described below enables you to accurately position the tool's
cutting edge to the grinding wheel at precisely the right angle for each job, and also maintains the
proper clearance between the tool rest and grinding wheel.

1/16"

CLEARANCE

GENERAL

,...jL..,__(__
• • ..,,.,.,,,..

SHARPENING

Refer to Fig.8. Make sure machine is turned
"OFF" while making adjustments.
Loosen
both tool rest knobs (1). Slide tool rest (2)
along the slot (3) until tip of angle selector
arrow (4) is just touching the dot (5) of the
angle selector guide for the desired angle.

,.,,

Be sure you maintain
1/16"
clearance
between grinding wheel (6) and tool rest (2)
for safety.

IMPORTANT!
ALWAYS
TIGHTEN
RIGHT KNOB FIRST TO MAINTAIN
RECT SETTING.

THE
COR-

Fig. 8

L_F
Fig.

CLOSE UP VIEW OF
TOOL BEING SHARPENED

Fig. 1 0

VISUAL

CHECK

(BEFORE

OPERATING)

Place item to be sharpened on tool rest and sight down it from right end as shown inFigs.g&10
to
see if it is adjusted for the proper angle for that item. Adjust tool rest as required to match the
cutting edge's original angle.
Securely

tighten

right tool rest knob first, then the left tool rest knob.

OPERATING
Please take time to read these
operate your tool.
1.

Always

Always
between

along

INSTRUCTIONS
with the rest of your

wear eye protection.
maintain
1/16"
clearance
tool rest and grinding wheel.

Check

water supply

Add water when

Don't force--Hold
the work firmly and
gently ease into the grinding wheel.
6

before

attempting

Follow all maintenance
noted on page 9.

Turn machine
adjustments.

Clean wiper after each use as described
in the maintenance
section
of this
manual under "Care of Wiper."

"OFF"

instructions

regularly.

necessary.

manual

before

making

HINTS
1. Check: While in "OFF"
proper sharpening
angle.
2. Practice:
structions.

While

still

position,

in "OFF"

use the "visual
position

check"

practice

procedure

procedures

as described

on page 6 for

in the following

in-

3. Deburr: After you are finished sharpening
there may be a fine burr on the cutting edge. This
may be removed by drawing the blade across the HONE STONE at approximately
the same angle
it was sharpened
at. Hone both sides of the blade.
SHARPENING

SCISSORS

Since some scissors may have long
blades you will have to position the
Wet Sharp Machine
on corner of
table or bench as shown in Fig. 1 1.
Open scissors. Lay one blade across
top of grinding
wheel and press it
back against scissor guide as shown
in Fig. 11. Gently but firmly apply
pressure
on blade
into grinding
wheel. Continue to apply same pressure on blade while slowly drawing
blade to the right across grinding
wheel to tip of scissors. Repeat as
required.
Turn scissors
around
and repeat
above procedure
with other blade.
Turn machine "OFF" and deburr as
described
above.
SHARPENING
1. Loosen

SCISSORS
GUIDE
BUILT INTO HOUSING

AGAINST
GUIDE

PULL TO
RIGHT

SCISSOR
BLADE
RELIEF IN HOUSING

Fig. 1 1

KNIVES

tool rest knobs.

2. Slide tool rest up along built
3. Apply

HONE

pressure

4. Adjust

tool rest for 1/16"

5. Maintain

in guide

angle.

at front edge of tool rest.

pressure

clearance

between

tool rest and grinding

at front of tool rest and tighten

wheel.

tool rest knobs.

Lay knife blade on tool rest until edge just touches grinding wheel, Turn on machine. Holding knife
handle in right hand use left hand to apply pressure against tool rest as shown in Fig. 13.
Push into grinding wheel until contact is made. Apply
while slowly drawing blade to the right.
Repeat

pressure

into grinding

wheel

as required.

1/16"

APPLY
FRONT

firm steady

PRESSURE
OF TOOL

CLEARANCE
FOR SAFETY

AT
REST

GUIDE ANGLE
FOR
KNIFE
SHARPENING

Fig.

Fig. 1 3

RIGHT

If blade is curved at the end, rotate knife
handle
toward
you when approaching
knife's tip as shown in Fig. 14.
Sharpen the other side of the blade the
same way as described
above except
hold knife as shown in Fig. 15 & 16.
Deburr

as described

on page 7.

Fig. 1 4

PULL TO
LEFT

Fig. 1 5
SHARPENING

Fig. 1 6

TOOLS

Micro-Bevel--some
tools such as
chisels
and plane
blades require
what Is called a "micro-bevel"
edge
to improve
tool performance
and
cutting edge strength.

PRIMARY
SECONDARY

ANGLE_r

'//

Fi g.
M,CRO-.EVELANGLE
17
OR

This is accomplished
by grinding in a
primary angle, 25o-30 ° for example,
then grinding
in a secondary
angle,
30°-35 ° for instance, on the tip of the
cutting edge. See Fig. 18.

THICKNESS_

!
Fig. 1 8

In most cases it is only necessary
touch up the secondary
angle
keep edges keen. (Fig. 19)
Use "visual check"
on page 6.

MICRO-BEVEL
ANGLE

APPROXIMATE
LY
1/5 OF BLADE

PRIMARY

ANGLE

to
to
TOUCHING
UPTHE
MICRO-BEVEL

method described

Fig.

Fig. 20
You will only need to grind in both angles if
cutting
edge
becomes
badly damaged.
(Fig. 20)
BADLY DAMAGED
CUTTING
EDGE
REQUIRING
BOTH PRIMARY
AND
SECONDARY
ANGLES
TO BE GROUND.

Move the tool back and forth across
If this occurs
"Care

"dress"

of Grinding

the wheel

grinding

as described

wheel

to avoid wearing

in the maintenance

down the wheel

section

unevenly.

of this manual

under

Wheels."

MAINTENANCE
CARE

OF WIPER

Clean wiper after each use to remove
grinding residue or "swarf."

the

Loosen tool rest knobs and allow tool rest
to drop out of the way as shown in Fig. 4 on
page 5.
With the aid of a screwdriver,
as shown
Fig. 21 pry the wiper out of reservoir,
replace the wiper reverse the procedure.

in
to

Rinse wiper thoroughly
remove grinding residue.

Replace

wiper

under

when worn

faucet

out.
PRY OUTWlPER

CARE

OF GRINDING

WITH

SCREWDRIVER

WHEELS

In normal usage grinding wheels may become grooved, out of true, and become "loaded."
simply means that soft metals or other materials have filled up the pores of the wheel.

Loaded

When this occurs, grinding action is greatly reduced. Grinding of soft metals such as aluminum,
brass, copper, lead and the like should be avoided as much as possible. When any of the above conditions occur, the wheel may be put in good condition again by "dressing the wheel." Various tools
and abrasive sticks are available in most hardware stores for this purpose. To "dress" the wheel,
start the Wet Sharp Machine and work the dressing stone back and forth across the wheel until all
grooves, etc., are gone. Be sure to use suitable eye protection
for this purpose. Dressing stones
are available at most hardware stores or may be ordered through Sears. See optional equipment
in parts list.
IMPORTANT: Clean wiper after dressing wheel.
WHEEL
REPLACEMENT

.GRINDING
WHEEL
SHAFT ASSEMBLY

If wheel is cracked, chipped,
or becomes
worn or excessively grooved, it is necessary
to replace it. Order part no. 2905B8 "grinding wheel shaft assembly." Disconnect
Wet
Sharp Machine from power source. Loosen
all four top housing screws and lift off top
housing. Grasp grinding
wheel and lift out
whole
grinding
wheel
shaft
assembly.
Remove right bearing and slide on to new
grinding
wheel shaft assembly.
Replace
grinding
wheel shaft assembly
in bottom
housing. Replace top housing and screws.

RIGHT

BEARING

Fig. 22

NOTES

EXPLODED VIEW

PARTS LIST

Model
NO.

DESCRIPTION

PART NO.

Screw

Housing

Switch

Bearing

- Intermediate

Washer

(2)

Intermediate

(8)

953A17-1
- Top

2905E2
2905A12

Cap
(2)

2901A14
500A18

Gear &

Shaft

2905A9

Ass'y

96A63

Spring

Grommet

(4)

2901A52

Spherical

Bearing

2901A36

Washer

Grinding

Wheel

Shaft
11

Filter

Right Tool

2905B8
2905A15

(Wiper)
Rest

Left Tool

2905A37

Ass'y

Rest

Bracket
14

Ass'y

Bracket
13

146. 669950

External

2905A38

Ass'y

Lock Tooth

Washer

(2)

90Al17
1030Al13

Washer

(2)

Tool Rest

2905A39

Knobs

2900A79

Retainer

Screw

Retainer

Rubber

Foot (4)

2901A25

Housing

Bottom

2905E1

Manual

(2)

2905B35

Leg

(2)

NOTE

953A17-2
Leg Bracket

(2)

2905A47

2905A56

"A"

The assembly shown represents
an _mportant part of the Double Insulated System. To avoid the
possibility
of alteration
or damage to the System, service should be performed
by your nearest
Sears Repair Center. Contact your nearest Catalog Order or Retail Store.
w

owner's

_/AVR8

manual

_q°'__/PJR_
/ CR RFT$ M RN

OWNER'S
MANUAL

WET SHARP
MACHINE

SERVICE

MODEL

NO.

Now
that you have purchased
your Wet Sharp
Machine
should a need ever exist for repair parts or
service,
simply
contact
any Sears Service
Center
and most Sears, Roebuck
and Co. stores. Be sure to
provide
all pertinent
facts when you call or visit.

146. 669950
The model number
of your Wet
be found on the plate attached

Sharp Machine
will
to the top housing.

HOW TO
ORDER
REPAIR PARTS

WHEN ORDERING
THE FOLLOWING

REPAIR PARTS, ALWAYS
INFORMATION:

•

PART

NUMBER

•

MODEL
NUMBER
146. 669950

GIVE

•

PART

DESCRIPTION

•

NAME OF ITEM
WET SHARP MACHINE

All parts listed may be ordered
from
vice Center and most Sears stores.

any Sears

Ser-

If the parts you need are not stocked
locally, your
order will be electronically
transmitted
to a Sears
Repair Parts Distribution
Center for handling.

SEARS. ROEBUCK

AND CO.. Dept. 698/731A.
12

Sears Tower, Chica.clo, IL 60684

Part No. 2905A5€

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