Harbor Freight Tools 37999 Product manual

20 TON SHOP PRESS

37999

SET UP AND OPERATING INSTRUCTIONS

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© 2009 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.

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

Manual Revised 09g

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:

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.

WARNING Read all safety
warnings and instructions.

Failure to heed these markings
may result in personal injury
and/or property damage.

Save all warnings and
instructions for future
reference.

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

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

Work area

Keep the work area clean and a.
well lit. Cluttered benches and dark

areas increase the risks of electric

shock, re, and injury to persons.

Do not operate the tool in b.
explosive atmospheres, such

as in the presence of ammable

liquids, gases, or dust. Air and
hydraulic tools create sparks which
may ignite the dust or fumes.

Page 2

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

SKU 37999

Personal safety

Stay alert. Watch what you are a.
doing and use common sense
when operating the tool. Do not
use the tool while tired or under

the inuence of drugs, alcohol, or

medication. A moment of inattention
while operating the tool increases the

risk of injury to persons.

Dress properly. Do not wear loose b.
clothing or jewelry. Contain long
hair. Keep hair, clothing, and
gloves away from moving parts.

Loose clothes, jewelry, or long hair
increases the risk of injury to persons

as a result of being caught in moving
parts.

Do not overreach. Keep proper c.
footing and balance at all times.

Proper footing and balance
enables better control of the tool in
unexpected situations.

Use safety equipment.d. Wear
heavy-duty work gloves during use.
Non-skid safety shoes and a hard
hat must be used for the applicable
conditions.

Store the tool when it is idle out b.
of reach of children and other
untrained persons. A tool is

dangerous in the hands of untrained
users.

Check for misalignment or binding c.
of moving parts, breakage of
parts, and any other condition
that affects the tool’s operation.

If damaged, have the tool serviced
before using. Many accidents are
caused by poorly maintained tools.
There is a risk of bursting if the tool is
damaged.

Use only accessories that are d.

identied by the manufacturer for
the specic tool model. Use of an

accessory not intended for use with

the specic tool model, increases the
risk of injury to persons.

Service

Tool service must be performed a.

only by qualied repair personnel.

When servicing a tool, use only b.
identical replacement parts. Use
only authorized parts.

Always wear eye protection.e. Wear

ANSI-approved safety goggles,
heavy-duty work gloves, and steel­toe work boots during set up and/or
use.

Tool use and care

Do not force the tool.a. Use the

correct tool for the application. The

correct tool will do the job better and

safer at the rate for which the tool is
designed.

SKU 37999

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

Use only the lubricants supplied c.

with the tool or specied by the

manufacturer.

Specic Safety Rules

Maintain labels and nameplates 1.
on the Shop Press. These carry
important safety information. If
unreadable or missing, contact
Harbor Freight Tools for a
replacement.

Keep hands away from arbor plates 2.
and press rod during use.

Page 3

Do not move workpiece while 3.
compressed.

Release load before service or 4.
maintenance.

the “Inspection, Maintenance, And
Cleaning” section of this manual.
Use of unauthorized parts or failure to
follow maintenance instructions may

create a risk of injury.

Bolt to oor before use.5.

Keep area under arbor plates clear. 6.
If arbor plates rest on obstruction
(i.e., bolt, debris, etc.), it creates an
uneven press, causing excess stress
and possible breakage.

Do not stand directly in front of the 7.
press when loaded. Do not leave the
press unattended when loaded.

Avoid off-center loads. Do not 8.
operate if workpiece tilts or binds
during compression.

STOP and release compression 9.
if you suspect imminent structural
failure. If safe, inspect thoroughly and
reposition before proceeding.

Do not compress springs or other 10.

elastic objects. They could disengage

hazardously.

Keep bystanders out of work area.11.

Only use with accessories rated to 16.
handle the forces exerted by this tool
during operation. Other accessories
not designed for the forces generated
may break and forcefully launch
pieces.

Use only with bottle jack provided,17.

Industrial applications must follow 18.
OSHA requirements.

This product is not a toy. Keep it out 19.
of reach of children.

The warnings, precautions, 20.
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.

20 Ton Limit. Do not operate the 12.

hydraulic jack beyond rated capacity.

Inspect before every use; do not use 13.
if parts are loose or damaged.

Jack service must be performed 14.

only by qualied repair personnel.

Service or maintenance performed by

unqualied personnel could result in
a risk of injury.

When servicing a jack, use only 15.

identical replacement parts - refer to

attached, product-specic parts list

and diagram. Follow instructions in

Page 4

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

SAVE THESE

INSTRUCTIONS.

SKU 37999

SPECIFICATIONS

OPERATING INSTRUCTIONS

Maximum
Capacity

Oil Type Hydraulic Jack Oil

20 Tons

(40,000 pounds)

Note: For additional information regarding

the parts listed in the following pages,
refer to the Assembly Diagram near
the end of this manual.

Unpacking

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

Components

Bottle Jack (1)

Press Rod (24)

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.

Inspect tool before use, looking
for damaged, loose, and
missing parts. If any problems
are found, do not use tool until
repaired.

Assembly

Using the Components photo (left) 1.
and the Parts List and Diagram near
the end of the manual, lay out and
identify all pieces before assembly.

Note: All threaded ends of the fasteners

should face the interior of the press
or the back of the press, with the bolt­heads on the outside or front of the
press.

Uprights (18)

Arbor Plates (20)

Press Apron (12)

Figure 1

SKU 37999

Have someone help you hold pieces
in place during assembly.

Finger tighten all nuts in step 2. Then

adjust the unit so that it is square,

and tighten all nuts and bolts before

bolting to the oor.

Finger tighten all nuts for the
remainder of the assembly. Then

adjust the unit so that it is square

and the Press Rod (24) has smooth
vertical travel. Securely tighten all
nuts and bolts.

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

Page 5