Harbor Freight Tools 97028 User manual

BENCHTOP PLANISHING HAMMER
Model 97028
ASSEMBLY AND OPERATING INSTRUCTIONS
Diagrams within this manual may not be drawn proportionally.
Due to continuing improvements, actual product may differ slightly from the product described herein.
Distributed exclusively by Harbor Freight Tools®.
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our website at: http://www.harborfreight.com
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
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.
For technical questions or replacement parts, please call 1-800-444-3353.
REV 08b

Page 2SKU 97028 For technical questions, please call 1-800-444-3353.
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.
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.
DANGER
WARNING
CAUTION
Notice
CAUTION

Page 3SKU 97028 For technical questions, please call 1-800-444-3353.
GENERAL SAFETY RULES
WARNING! Read all instructions
Failure to follow all instructions listed below may result in serious injury.
SAVE THESE INSTRUCTIONS
Work area safety1.
Keep work area clean and well lit.a. Cluttered or dark areas invite accidents.
Keep children and bystanders away while operating this Planishing Hammer.b.
Distractions can cause you to lose control.
Personal safety2.
Stay alert, watch what you are doing and use common sense when operating.a.
Do not use this tool while you are tired or under the inuence of drugs, alcohol
or medication. A moment of inattention while operating may result in serious
personal injury.
Use safety equipment. Always wear ANSI-approved safety goggles andb.
heavy-duty work gloves. Safety equipment such as dust mask, non-skid
safety shoes, hard hat, or hearing protection used for appropriate conditions
will reduce personal injuries.
Do not overreach. Keep proper footing and balance at all times.c. This
enables better control of the power tool in unexpected situations.
Dress properly. Do not wear loose clothing or jewelry. Keep your hair,d.
clothing and gloves away from moving parts. Loose clothes, jewelry or long
hair can be caught in moving parts.
WARNING: The brass components of this product contain lead, a chemicale.
known to the State of California to cause birth defects (or other reproductive
harm). (California Health & Safety code § 25249.5, et seq.)
Tool use and care3.
Do not force the tool. Use the correct tool for your application.a. The correct
tool will do the job better and safer at the rate for which it was designed.
Do not use the Planishing Hammer if the Trigger (16) does not completelyb.
start and stop the action of the tool. If the Planishing Hammer cannot be
controlled with the Trigger (16), it is dangerous and must be repaired.
Disconnect the Planishing Hammer from the air source before making anyc.
adjustments, changing accessories, or storing. Such preventive safety
measures reduce the risk of starting the tool accidentally.
Store the Planishing Hammer out of the reach of children and do not allowd.
persons unfamiliar with this tool or these instructions to operate the Planishing
Hammer. Tools are dangerous in the hands of untrained users.

Page 4SKU 97028 For technical questions, please call 1-800-444-3353.
Maintain tools. Check for misalignment or binding of moving parts, breakagee.
of parts, damaged or cracked hoses, bad connections and any other condition
that may affect the tool’s operation. If damaged, have the tool repaired
before use. Many accidents are caused by poorly maintained tools. Properly
maintained tools are less likely to bind and are easier to control.
Use the Planishing Hammer in accordance with these instructions andf.
in the manner intended for this particular type of tool, taking into account
the working conditions and the work to be performed. Use of this tool for
operations different from those intended could result in a hazardous situation.
Service4.
Have your Planishing Hammer serviced by a qualied repair person using a.
only identical replacement parts. This will ensure that the safety of the tool is
maintained.
VIBRATION HAZARD
This tool vibrates during use. Repeated or long-term exposure to vibration may
cause temporary or permanent physical injury, particularly to the hands, arms
and shoulders. To reduce the risk of vibration-related injury:
Anyone using vibrating tools regularly or for an extended period should rst 1.
be examined by a doctor and then have regular medical check-ups to ensure
medical problems are not being caused or worsened from use. Pregnant women
or people who have impaired blood circulation to the hand, past hand injuries,
nervous system disorders, diabetes, or Raynaud’s Disease should not use this
tool. If you feel any medical or physical symptoms related to vibration (such as
tingling, numbness, and white or blue ngers), seek medical advice as soon as
possible.
Do not smoke during use. Nicotine reduces the blood supply to the hands and2.
ngers, increasing the risk of vibration-related injury.
Wear suitable gloves to reduce the vibration effects on the user.3.
Use tools with the lowest vibration when there is a choice between different4.
processes.
Include vibration-free periods each day of work.5.
Grip the workpiece as lightly as possible (while still keeping safe control of it).6.
Let the tool do the work.
To reduce vibration, maintain the tool as explained in this manual. If any7.
abnormal vibration occurs, stop use immediately.

Page 5SKU 97028 For technical questions, please call 1-800-444-3353.
SPECIFIC SAFETY RULES
WARNING! To prevent serious injury and/or property damage:
Wear ANSI-approved safety goggles and heavy-duty work gloves during use.1.
Do not exceed max air pressure of 100 PSI.2.
Disconnect from air supply when not in use.3.
Mount on at, level surface able to support the weight of the Planishing Hammer 4.
and the material being hammered.
Inspect before each use; do not use if parts are loose or damaged.5.
Read this manual before set up and/or use.6.
Maintain labels and nameplates on the tool. These carry important safety7.
information. If unreadable or missing, contact Harbor Freight Tools for a
replacement.
Avoid unintentional starting. Prepare to begin work before turning on the tool.8.
Keep ngers away from the anvil head.9.
Do not leave the tool unattended when it is plugged into an air supply. Turn off10.
the tool, and disconnect from air supply before leaving.
Use clamps (not included) or other practical ways to secure and support the11.
workpiece to a stable platform. Holding the work by hand or against your body is
unstable and may lead to loss of control.
This product is not a toy. Keep it out of reach of children.12.
Some dust created by power sanding, sawing, grinding, drilling, and other13.
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 lter out microscopic particles. (California Health &
Safety Code § 25249.5, et seq.)
The warnings, precautions, and instructions discussed in this instruction manual14.
cannot cover all possible conditions and situations that may occur. It must be

Page 6SKU 97028 For technical questions, please call 1-800-444-3353.
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.
SPECIFICATIONS
Construction Materials
Stand/Mounting Bracket: Formed Steel
Anvil Shaft and Anvils: Machined Steel
Air Hammer: Die-Cast Aluminum
Air Hose: Black Braided Reinforced
Rubber w/Crimped Brass Fittings
Mounting Plate Thickness 11 Gauge Steel Plate
Air Inlet Size 1/4” X 18 NPT (Female)
Activation Method Variable Speed Remote Foot Pedal
Maximum Air Pressure 100 PSI
Air Consumption 90 PSI @11 SCFM
Blows Per Minute 700
Net Weight 16.20 lb
Hose Length 13 ft.
UNPACKING
When unpacking, check to make sure that the item is intact and undamaged. If
any parts are missing or broken, please call Harbor Freight Tools at the number shown
on the cover of this manual as soon as possible.
SET UP INSTRUCTIONS
Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the
beginning of this manual including all text under subheadings therein
before set up or use of this product.
Note: For additional information regarding the parts listed in the following pages, refer
to the Assembly Diagram near the end of this manual.

Page 7SKU 97028 For technical questions, please call 1-800-444-3353.
ASSEMBLY
Mount the Frame (24) to workbench, and make sure it is fastened securely to1.
prevent loosening during use.
The Frame can be lled with sand if you wish to help minimize sound and 2.
vibration.
Figure 1
Mini Planishing
Hammer
Air Inlet (9)
Foot Pedal (26)
Air Hose (25)
3. Connect the Rubber Air Hose (25) to both the Air Inlet (9) and the Foot Pedal
(26). See Figure 1.
C4.
Figure 2
Foot Pedal
(26)
onnect pneumatic air supply to the Foot Pedal (26). See Figure 2 and Figure
3 on page 8.
The air line components listed in Figure 2 are not included as part of this tool but5.
may be purchased at Harbor Freight tools.
Be sure to tighten all ttings and connections.6.
REV 08a

Page 8SKU 97028 For technical questions, please call 1-800-444-3353.
Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the
beginning of this manual including all text under subheadings therein
before set up or use of this product.
Figure 3
Air Outlet, connect
hose to Hammer
Air Inlet, connect hose
to air compressor
The Frame (24) should be positioned so that the mounted Mini Planishing Ham-7.
mer is extending slightly over the edge of the workbench. This will help to accom-
modate various shapes being plannished.
Screw off the Coil Spring (15) and remove the Anvil Head (21) and Hammer8.
Shank (23) from the Cylinder (14).
Slide the Hammer Body (1) into the Frame (24).9.
Insert the Anvil Head (21) into the Anvil Shaft (19) and tighten in place with Hex10.
Screw (20).
Place the Anvil Head (21) and Hammer Shank (23) into the Coil Spring (15) and11.
screw onto the Cylinder (14). See Parts List and Assembly Diagram on page
11 and 12.
OPERATING INSTRUCTIONS
REV 08a

Page 9SKU 97028 For technical questions, please call 1-800-444-3353.
Turn on the Air Compressor (not included) and set it to 90 PSI. Do not exceed1.
maximum air pressure of 100 PSI.
Before planishing, test the operation by pressing down on the Foot Pedal (26).2.
Adjust the cycle speed of the Planishing Hammer by turning the Regulator (4)3.
clockwise or counterclockwise.
Using both hands, place the material to be planished between the Anvil Head4.
(21) and the Hammer Shank (23).
Press down on the Foot Pedal (26) to opperate planishing action.5.
When nished, remove your foot from the Foot Pedal (26) and wait for the action 6.
to stop completely.
Turn the air compressor off.7.
Press down on the Foot Pedal (26) to release any remaining air pressure within8.
the Planishing Hammer.
To prevent accidents, always disconnect the air supply after use. Clean, then9.
store the tool indoors out of children’s reach.
MAINTENANCE AND SERVICING
Risk of serious personal injury, unplug the tool from its air
supply before performing any inspection, maintenance, or
cleaning procedures.
Damaged equipment can fail, causing serious personal
injury. Do not use damaged equipment. If abnormal noise or
vibration occurs, have the problem corrected before further
use.
Cleaning, Maintenance, and Lubrication
BEFORE EACH USE,1. inspect the general condition of the tool. Check for
loose screws, misalignment or binding of moving parts, cracked or broken parts,
damaged air hoses, and any other condition that may affect its safe operation.
AFTER USE,2. clean external surfaces of the tool with clean, moist cloth.
WARNING! If the air hose is damaged, DO NOT attempt to repair it. It must3.
be replaced.
WARNING
OPERATING INSTRUCTIONS

Page 10SKU 97028 For technical questions, please call 1-800-444-3353.
Troubleshooting
Problem Possible Causes Probable Solutions
Mini Planishing
Hammer will not
operate when Foot
Pedal is depressed.
No air pressure in air line.
Regulator valve is closed.
Check all hoses, connections
and make sure the compressor is
operating.
Turn the valve counterclockwise.
Mini Planishing
Hammer operates
but at diminished
pressure.
Air Pressure is below normal operating
pressure of 90 PSI.
Regulator valve is closed.
Check Regulator on compressor and
Planishing Hammer.
Turn the valve counterclockwise.
Be sure to follow all manufacturer’s instructions, safety warnings and
maintenance procedures in the manual of the air compressor you are using with this
Mini Plannishing Hammer.
LEASE 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.
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.

Page 11SKU 97028 For technical questions, please call 1-800-444-3353.
PARTS LIST
Part Description Q’ty
1 Body 1
2 Rubber Gasket 1
3 O-Ring 2
4 Regulator 1
5 Control Pin 1
6 O-Ring 1
7 Ball 1
8 Spring 1
9 Air Inlet 1
10 Rear Valve 1
11 Valve Disk 1
12 Front Valve 1
13 Piston 1
Part Description Q’ty
14 Cylinder 1
15 Coil Spring 1
16 Trigger 1
17 Pin 1
18 Pin 1
19 Anvil Shaft 1
20 Hex Screw 1
21 Anvil Head 2
22 Hex Screw 2
23 Hammer Shank 1
24 Frame 1
25 Air Hose 1
26 Foot Pedal 1
PARTS PHOTO
24
26
25
21
23 19
1
15

Page 12SKU 97028 For technical questions, please call 1-800-444-3353.
ASSEMBLY DIAGRAM

Page 13SKU 97028 For technical questions, please call 1-800-444-3353.
LIMITED 1 YEAR 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 one year from the date
of purchase (90 days if used by a professional contractor or if used as rental equipment).
This warranty does not apply to damage due directly or indirectly, to misuse, abuse,
negligence or accidents, repairs or alterations outside our facilities, 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 veries 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 specic 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 • [phone]