Harbor Freight 18 Lb Metal Vibratory Tumbler Bowl Product Manual

Manual for the 96923 18 Lb. Vibratory Bowl with Liquid Drain Hose 96923 18 Lb. Vibratory Bowl w/ Liquid Drain Hose

2015-05-27

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Vibratory Bowl - 18 LB. Capacity

Item 96923

Read this material before using this product.
Failure to do so can result in serious injury.
Save this manual.

When unpacking, make sure that the product is intact and undamaged.
If any parts are missing or broken, please call 1-800-444-3353 as soon as possible.

Visit our website at: http://www.harborfreight.com

Copyright© 2007 by Harbor Freight Tools®. All rights reserved. No portion of this manual or any artwork contained herein may be reproduced in any
shape or form without the express written consent of Harbor Freight Tools. Diagrams within this manual may not be drawn proportionally. Due to continuing improvements, actual product may differ slightly from the product described herein. Tools required for assembly and service may not be included.
Manual Revised 11c

When using electrical appliances,
safety precautions should always be
followed including the following:

Specifications
Electrical Requirements 120 V~ / 60 Hz
Maximum Capacity

18 lb.

Save This Manual
Keep this manual for the safety warnings and
precautions, assembly, operating, inspection, maintenance
and cleaning procedures. Write the product’s serial number
in the back of the manual near the assembly diagram (or
month and year of purchase if product has no number).
Keep this manual and the receipt in a safe and dry place
for future reference.

Important Safety Information
In this manual, on the labeling, and all other
information provided with this product:
This is the safety alert symbol. It is
used to alert you to potential personal
injury hazards. Obey all safety
messages that follow this symbol
to avoid possible injury or death.

DANGER indicates a hazardous situation which,
if not avoided, will result in death or serious injury.

Work Area Safety
1.

Do not use outdoors.

Close supervision is necessary when any
appliance is used by or near children.

Do not let cord hang over edge of table
or counter, or touch hot surfaces.

Extreme caution must be used
when moving an appliance.

Keep the work area well lit. Make sure there
is adequate surrounding workspace. Keep the
work area free of obstructions and other debris.

Electrical Safety
6.

Only use a GFCI protected power source
when using wet media in the unit.

Unplug from outlet when not in use and
before maintenance or cleaning.

Do not operate any appliance with a damaged
cord or plug or after the appliance malfunctions
or has been damaged in any manner. Return
appliance to the nearest authorized service
facility for examination, repair, or adjustment.

This appliance has a polarized plug (one
blade is wider than the other). To reduce the
risk of electric shock, this plug is intended to
fit into a polarized outlet only one way. If the
plug does not fit fully in the outlet, reverse the
plug. If it still does not fit, contact a qualified
electrician. Do not change the plug in any way.

Do not use this product in a damp or wet location.

WARNING indicates a hazardous situation which,
if not avoided, could result in death or serious injury.

CAUTION, used with the safety alert symbol,
indicates a hazardous situation which, if not
avoided, could result in minor or moderate injury.

NOTICE is used to address practices
not related to personal injury.

CAUTION, without the safety alert symbol, is used
to address practices not related to personal injury.

Power Cord Safety
1.

A short power supply cord is to be provided to
reduce risks resulting from becoming entangled in
or tripping over a longer cord.

Longer extension cords are available and may be
used if care is exercised in their use.

If a long extension cord is used,
a. The marked electrical rating of the
(detachable power supply cord or)
extension cord should be at least as great
as the electrical rating of the appliance,
b. If the appliance is of the grounded
type, the extension cord should be a
grounding type 3-wire cord, and
c. The longer cord should be arranged so
that it will not drape over the counter

Page 2

For technical questions, please call 1-800-444-3353.

SKU 96923

top or tabletop where it can be pulled
on by children or tripped over.

to the State of California to cause cancer,
and birth defects or other reproductive harm.
Wash hands after handling. (California
Health & Safety Code § 25249.5, et seq.)

General Safety
1.

The use of accessory attachments
not recommended by the appliance
manufacturer may cause injuries.

Attach plug to appliance first, then plug cord into
the wall outlet. To disconnect, turn any control
to “off”, then remove plug from wall outlet.

Do not use appliance for other than intended use.

Maintain labels and nameplates on the
appliance. These carry important safety
information. If unreadable or missing, contact
Harbor Freight Tools for a replacement.

This product is not a toy. Keep it out
of reach of children when children are
not being closely supervised.

Inspect before use; do not use if insulation
is damaged or parts are loose.

Keep out of reach of children.

Keep hands out from under
bowl when plugged in.

Wear ANSI-approved safety goggles and dust
mask or respirator during set up and use.

10.

Use for intended purposes only.

11.

Use on flat, level surface away from edge.

12.

People with pacemakers should consult their
physician(s) before use. Electromagnetic fields in
close proximity to heart pacemaker could cause
pacemaker interference or pacemaker failure.

13.

WARNING: Some dust created by power
sanding, sawing, grinding, drilling, and other
construction activities, contains chemicals known
[to the State of California] 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 or
other masonry products
• Arsenic and chromium from chemically treated
lumber
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 filter out microscopic particles. (California
Health & Safety Code § 25249.5, et seq.)

14.

WARNING: Handling the cord on this product
will expose you to lead, a chemical known

SKU 96923

15.

The warnings, precautions, and instructions
discussed in this instruction manual cannot
cover all possible conditions and situations
that may occur. It must be understood by the
operator that common sense and caution are
factors which cannot be built into this product,
but must be supplied by the operator.

Save these
instructions.

For technical questions, please call 1-800-444-3353.

Page 3

Assembly
Read the entire Important
Safeguards section at the beginning
of this manual including all text
under subheadings therein before
set up or use of this product.
Before appliance
assembly or adjustment,
make sure the appliance’s switch is
turned off, the cord is unplugged, and
the unit has cooled completely.

WARNING

Note: For additional information regarding the parts
listed in the following pages, refer to the
Assembly Diagram near the end of this manual.
1.

Clean the appliance before use as
explained in the Maintenance section.

Ensure that the Drain Plugs (39)
are secure and will not leak if fluid is
added to the Tumbler Bowl (6).

Do not plug in the Vibratory Bowl
until ready for operation.

Preparation
1.

This Vibratory Bowl is designed for deburring,
cleaning or polishing work materials of various
types using either wet or dry polishing media.

Note: Very sharp or hard work materials or
media may cause excessive wear on the
Vibratory Bowl (6). Do not use very sharp
or hard materials in this appliance.
2.

Various media are available for different jobs.
Select the appropriate media and running time
for your work material. The chart below offers
suggestions for various situations. Always do
a test run on a few pieces of work material
to test the media and running time before
committing work material to a specific process.

Basic Guidelines for
Media Selection

This is a chart of recommended media for this
Vibratory Bowl. Plastic beads are usually used with a
powdered abrasive added. Walnut shells and corn cob
may be used alone, or with added abrasive. Polishing
materials include Rouge, Ruby Powder and Linde A.
Media
Type

Abrasive

Application

Weight

Plastic
Beads

Fine
Silicate

Light surface
62 lb. per
reduction,
cubic foot
surface
preparation for
polishing

Plastic
Beads

Medium
Silicate

Medium
surface
reduction,
deburring

Plastic
Beads

Coarse
Heavy surface
Aluminum reduction,
Oxide
deburring

Walnut
Shell

Rouge

Polishing,
45 lb. per
Oxide removal cubic foot

Walnut
Shell

None
Added

Polishing

45 lb. per
cubic foot

Corn
Cob

None
Added

Polishing

29 lb. per
cubic foot

Red
Rouge

1st Step
Polisher

Powdered
Polishing
Additive

May
Vary, Not
Specified

Ruby
Powder

Medium
Polisher

Powdered
Polishing
Additive

May
Vary, Not
Specified

Linde A

Finish
Polisher

Powdered
Finishing
Additive

May
Vary, Not
Specified

56 lb. per
cubic foot

62 lb. per
cubic foot

Additional Notes on
Vibratory Media
The media used in standard rotating
tumblers is generally not suitable for vibratory
machines. Vibratory polishers often use dry media
that is too light to be effective in standard rotating
tumblers. Appropriate media for this vibratory
polisher is available from Harbor Freight Tools.

For degreasing, use ground corncob, walnut shell
or plastic media. Vibrate for 30 minutes to 1 hour.

Steel and ceramic media, generally used in
tumbling, may also be used in heavy duty vibratory
machines. However, this Vibratory Bowl is not
designed to work with these heavy duty media,
which will wear out the bowl prematurely.

To remove rust, use commercially available treated
plastic media. Depending on the condition of the
materials, you will have to vibrate for 2 - 6 hours.

There is a wide variety of media to be used in
vibratory finishing, you are encouraged to experiment.
Many shops are getting good results with unusual
media such as erasers, wood pegs, bone and others.

To de-burr or polish, vibrate in walnut hull
or corncob media. You may add a small
amount of commercial metal polish.

Page 4

For technical questions, please call 1-800-444-3353.

SKU 96923

Operation
Read the entire Important
Safeguards section at the beginning
of this manual including all text
under subheadings therein before
set up or use of this product.

Plug in the unit and press the Power
Switch (29) to the ON position. The Vibratory Bowl will begin to operate.

When the job is completed, turn the Power
Switch (29) OFF and unplug the unit.

Remove the Clamping Nut (1), and pull the
Vibratory Lid (4) off the Center Shaft (38) bringing the Flat Metal Washer (2) and Flat Rubber
Washer (3) with it. Set the Lid assembly aside.

CAUTION: Never vibrate with the top off, as hazardous
dust may be created, and the media or work
materials may be ejected from the vibrator.

If a lubricant is used, then the Overflow Hose (41)
must be used to drain any excess lubricant/water
into a suitable container, preventing overflow.

Fill the Vibratory Bowl (6) about 2/3 full
with polishing media (not included).

Add work material parts to Vibratory Bowl. Do
not overfill Vibratory Bowl, and do not exceed
work weight limit of 18 lb. including media.

Check the work material to determine if the
job is completed to satisfaction. If additional
work is required, replace the Lid assembly and
repeat the process. If the work is completed,
unload the work material and media.

Place the Vibratory Lid (4) on the Vibratory
Bowl (6). Place the Flat Rubber Washer (3)
and the Flat Metal Washer (2) on the Center
Shaft (38) as shown in the Assembly Diagram.

10.

Store the work material as required, and
dispose of the media. Do not reuse media.

11.

To prevent accidents, turn off the appliance
and disconnect its power supply after
use. Clean, then store the appliance
indoors out of children’s reach.

Do not immerse motor, cord, or plug in water or
any other liquid.

After each use, dry with a soft cloth. Wipe the
motor housing with a soft clean cloth or sponge
Allow unit to dry completely before assembly or
use.

CAUTION: Vibratory finishing often creates dust which
may be harmful to your health. Wait for at least
1 hour after vibrating is complete and the vibrator has been turned OFF before opening
the vibrator. This will allow the dust to settle.

Place the Clamping Nut (1) on the Center Shaft
and tighten in place. Tighten enough to keep the
Vibratory Lid (4) in place. Do not overtighten.

Maintenance

WARNING

Before inspection
or maintenance,
make sure the appliance’s switch is
turned off, the cord is unplugged, and
the unit has cooled completely.
Do not use damaged appliances. If
abnormal noise or vibration occurs, have
the problem corrected before further use.
1.

BEFORE EACH USE, inspect the general
condition of the appliance. Check for loose
screws, misalignment or binding of moving
parts, cracked or broken parts, damaged
electrical wiring, and any other condition
that may affect its safe operation.
Problem

Possible Causes

Probable Solutions

Appliance will not start 1. No power at outlet.
2. Cord not connected.

1. Check power at outlet.
2. Check that cord is plugged in.

Tool will not vibrate or
operates slowly

1. Vibratory Bowl is overloaded.

1. Reduce amount of material in Vibratory Bowl.

Work material is not
finished properly

1. Improper media is being used.
2. Material has not been processed
long enough.

1. Review media selection and try another option.
2. Unload excess material or extend vibration
time cycle.

SKU 96923

For technical questions, please call 1-800-444-3353.

Page 5

PLEASE READ THE FOLLOWING CAREFULLY
The manufacturer and/or distributor has provided the parts list and assembly diagram in
this manual as a reference tool only. Neither the manufacturer or distributor makes any
representation or warranty of any kind to the buyer that he or she is qualified to make any
repairs to the product, or that he or she is qualified to replace any parts of the product.
In fact, the manufacturer and/or distributor expressly states that all repairs and parts
replacements should be undertaken by certified and licensed technicians, and not by the
buyer. The buyer assumes all risk and liability arising out of his or her repairs to the
original product or replacement parts thereto, or arising out of his or her installation
of replacement parts thereto.

Parts List

Part

Page 6

Qty

Part

Clamping Nut

Description

Base

Description

Qty
1

Flat Metal Washer

Bolt M6 x 25

Flat Rubber Washer

Block

Vibratory Lid

Brace

Spring Washer Ø10

Cap Nut

Vibratory Bowl

Power Switch

Phillips Head Bolt M6 x 35

Capacitor

Rubber Mount

31a

Inner Hex Bolt M5x12

Protection Cover

Eccentric Block

Hex Bolt M8 x 20

Bolt M5 x 10

Mounting Base

Flat Washer Ø5

Flat Washer Ø8

Motor

Lock Nut M8

Lock Nut M10

Inner Hex Bolt M6 x 20

Flat Washer Ø10

Motor Bracket

Center Shaft M10 x 270

Flat Washer M6

Plastic Drain Plug

Lock Nut M6

Plastic Adapter

Rubber Mount

Overflow Hose

Spring

Plastic Clamp

Bolt M6 x 25

Phillip Head Bolt M4 x 12

Power Cord

Spring Washer 4

Cord Stopper

45a

Nut M4

Base Cover

For technical questions, please call 1-800-444-3353.

SKU 96923

Assembly Diagram

Record Product’s Serial Number Here:
Note: If product has no serial number, record month and year of purchase instead.
Note: Some parts are listed and shown for illustration purposes only, and are not available individually as
replacement parts.

SKU 96923

For technical questions, please call 1-800-444-3353.

Page 7

Limited 90 Day Warranty
Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards,
and warrants to the original purchaser that this product is free from defects in materials and workmanship for the period
of 90 days from the date of purchase. This warranty does not apply to damage due directly or indirectly, to misuse,
abuse, negligence or accidents, repairs or alterations outside our facilities, criminal activity, improper installation, normal
wear and tear, or to lack of maintenance. We shall in no event be liable for death, injuries to persons or property, or for
incidental, contingent, special or consequential damages arising from the use of our product. Some states do not allow
the exclusion or limitation of incidental or consequential damages, so the above limitation of exclusion may not apply to
you. This warranty is expressly in lieu of all other warranties, express or implied, including
the warranties of merchantability and fitness.
To take advantage of this warranty, the product or part must be returned to us with transportation charges prepaid.
Proof of purchase date and an explanation of the complaint must accompany the merchandise. If our inspection verifies
the defect, we will either repair or replace the product at our election or we may elect to refund the purchase price if we
cannot readily and quickly provide you with a replacement. We will return repaired products at our expense, but if we
determine there is no defect, or that the defect resulted from causes not within the scope of our warranty, then you must
bear the cost of returning the product.
This warranty gives you specific legal rights and you may also have other rights which vary from state to state.

3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 444-3353

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Harbor Freight 18 Lb Metal Vibratory Tumbler Bowl Product Manual

Manual for the 96923 18 Lb. Vibratory Bowl with Liquid Drain Hose 96923 18 Lb. Vibratory Bowl w/ Liquid Drain Hose

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