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10 GALLON AIR TANK
40057
ASSEMBLY & OPERATING INSTRUCTIONS
®
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our Web Site at : http://www.harborfreight.com
Copyright 2002 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 ex-
press written consent of Harbor Freight Tools.
For technical questions, please call 1-800-444-3353.
Rev 12/02
THANK YOU for choosing a HARBOR FREIGHT TOOLS product. For future reference, please complete the
owner’s record below:
Model______________ Serial No._____________ Purchase Date___________
SAVE THE RECEIPT, WARRANTY AND THESE INSTRUCTIONS. It is important that you read the entire
manual to become familiar with the unit BEFORE you begin assembly.
Technical Specifications
Capacity: 10 Gallons
Maximum Storage PSI: 125 PSI
Gauge Maximum: 200 PSI / 1.4 MPa
Inlet/Outlet Fitting: 1/2" NPT X 3 Way Coupler
Air Hose Size: 1/4" I.D. X 40" Long
Air Hose Fitting: Automotive Type
Overall Dimensions: 26-1/2" L X 11" H
Weight: 31 LBS.
Safety Valve: Built-In, Preset at Factory; Blow Off Pressure = 138 PSI
Valves are covered under U.S. Patents #4,986,297, #5,127,437.
Tool Use: The Portable Air Tank is an excellent tool for inflating inner
tubes, toys and other inflatables.
Warning: The warnings, cautions 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.
The Operator
PLEASE REMEMBER:
Do not operate the product if under the influence of alcohol or drugs. Read warning labels on prescriptions to
determine if your judgment/reflexes might be impaired.
Do not wear loose clothing or jewelry as they can be caught in moving parts.
Protective gloves and non-skid footwear is recommended.
Wear restrictive hair covering to contain long hair.
Use eye and ear protection. Always wear ANSI approved impact safety goggles when using this product.
#40057 Page 2Rev 12/02
Maintain proper footing and balance at all times.
Work Area
TO AVOID RISK OF PERSONAL INJURY, EQUIPMENT DAMAGE, FIRE AND SHOCK, MAKE SURE YOUR
WORK AREA IS:
Free of damp, wet or rainy conditions.
Free of flammable gasses or liquids.
Free of children (never let them handle tools or machinery).
Well-lit.
Clean and uncluttered.
Well-ventilated.
Before Operating
Before using any tool, any part that appears damaged should be carefully checked to determine that it will
operate properly and perform its intended function.
Before operating your Portable 10 Gallon Air Tank check for damaged parts.
Do not exceed the maximum 125 PSI storage pressure. Over pressurizing the Air Tank could result in an
explosion.
Do not over inflate. Never exceed the maximum pressure rating of any inflatable. Check pressure frequently
during inflation.
Pull the Safety Release valve ring prior to operation to ensure that the valve is functioning properly and to clear
the valve of any possible obstructions.
Beware of possible explosion. The unit is capable of producing compressed air at high pressure which could
cause tires, toys or other inflatables to explode. This could result in serious injury.
Do not leave the Air Tank unattended while it is being filled by the air compressor. Unattended use could result
in explosion resulting in serious personal injury and/or property damage.
Store the Air Tank when it’s not being used. Store in a dry location to prevent damage from the elements.
Do not fill from any compressed gas cylinder or a system charged with greater than 125 PSI.
Only fill with air from a service station or low pressure air compressor system.
#40057 Page 3Rev 12/02
Do not fill the Portable 10 Gallon Air Tank with any gas or other flammable substance under any circumstance.
Do not expose the Air Tank to severe moisture or extreme heat; heat and humitity will contribut to Air Tank
corrosion.
Assembly
Your Portable Air Tank comes partially assembled. For reference please refer to the Assembly Diagram and the
Parts List on page 5 of this manual. Some basic assembly instructions have been included for your
convenience.
It is important that your read the entire manual to become familiar with the unit BEFORE you use it. Be sure
that you have all parts described in the Parts List.
Step 1) Wrap 2 to 3 layers of the supplied Teflon
R
tape around thread of the Outlet Valve Assembly.
Step 2) Screw Outlet Valve Assembly securely into tank and check for leaks.
Operation
When operating your Portable 10 Gallon Air Tank, it will be helpful to refer to the Assembly Diagram and the
Parts List on page 5.
Filling the Tank
Step 1) Attach hook up from a service station or low pressure Air Compressor system to the
Inlet Valve (part #2).
Step 2) With the Inlet Valve hooked up to the air source, begin pumping air into the Air Tank.
Step 3) Monitor the Pressure Gauge (part #4) as you fill the Air Tank. Continue filling
the tank to 125 PSI maximum.
Inflating from the Air Tank
Step 1) Place the Hose Valve (#3) over the valve of the object to be inflated.
Step 2) Once the pin inside the Inflating is depressed, air will begin to flow out from the Air Tank into
the inflatable.
Warning: Do not over inflate. Never exceed the maximum pressure rating of any inflatable.
Check pressure frequently during inflation.
#40057 Page 4
PLEASE READ THE FOLLOWING CAREFULLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM IN THIS MANUAL AS A
REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER NOR 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 REPLACE-
MENTS 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 RE-
PLACEMENT PARTS THERETO.
Warning: The Air Tank should be examined periodically and if any damage to the welds is noted or the
tank becomes rusty, the Air Tank should no longer be used.
Rev 12/02
IF THERE IS ANY QUESTION ABOUT A CONDITION BEING SAFE OR UNSAFE, DO NOT OPERATE THE TOOL.
Unpacking
UNPACK AND CHECK CONTENTS
When unpacking your Portable 10-Gallon Air Tank, check to make sure the following parts are included. If any
parts are missing or broken, please call HARBOR FREIGHT TOOLS at 1-800-444-3353.
Part # Description Quantity
1 Tank 1
2 Inlet Valve 1
3 Air Hose 1
4 Pressure Gauge 1
5 Safety Release Valve 1
Note: Part Numbers 2, 3, 4, and 5 come
assembled together as the Outlet Valve Assembly.
#40057 Page 5Rev 12/02
2
1
3
4
Outlet Valve Assy.
5
2
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 444-3353
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. This warranty does not apply to damage due directly or indirectly
to misuse, abuse, negligence or accidents; repairs or alterations outside our facilities; 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.
LIMITED 1 YEAR
WARRANTY
WARRANTY
#40057 Page 6Rev 09/06
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