AIR FILTER / REGULATOR
1118
ASSEMBLY AND OPERATING INSTRUCTIONS
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our Web site at http://www.harborfreight.com
Copyright © 2006 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 and replacement parts, please call 1-800-444-3353
Specifications
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Save This Manual
You will need the manual for the safety warnings and precautions, assembly instructions, operating and maintenance procedures, parts list and diagram. Keep your invoice with this manual. Write the invoice number on the
inside of the front cover. Keep the manual and invoice in a safe and dry place for future reference.
Safety Warnings and Precautions
WARNING: When using tools, basic safety precautions should always be followed to reduce the risk of
personal injury and damage to equipment.
Read all instructions before using this tool!
1. Keep work area clean. Cluttered areas invite injuries.
2. Observe work area conditions. Do not use in damp or wet locations. Don’t expose to rain. Keep work area well
lighted. Do not use in the presence of flammable gases or liquids.
3. Keep children away. Children must never be allowed in the work area. Do not let them handle this product or other
machines, tools, or extension cords.
4. Store idle equipment. When not in use, this product must be stored in a dry location to inhibit rust. Always lock up and
keep out of reach of children.
5. Use the right tool for the job. Do not attempt to force a small tool or attachment to the work of a larger industrial tool.
There are certain applications for which this product was designed. It will do the job better and more safely at the rate
for which it was intended. Do not modify this product and do not use this product for a purpose for which it was not
intended.
6. Do not overreach. Keep proper footing and balance at all times. Do not reach over or across running machines.
7. Dress properly. Do not wear loose clothing or jewelry as they can be caught in moving parts. Protective, electrically
nonconductive clothes and nonskid footwear are recommended when working. Wear restrictive hair covering to
contain long hair.
8. Use eye and ear protection. Always wear ANSI-approved impact safety goggles when using and servicing this
product and/or air tools. Wear a full face shield if you are producing metal filings or wood chips. Wear a NIOSHapproved dust mask or respirator when working around metal, wood, and chemical dusts and mists.
9. Maintain tools with care. Keep clean for better and safer performance. Follow instructions for lubricating and
changing accessories. Inspect periodically and, if damaged, have them repaired by an authorized technician. The
Filter/Regualtor must be kept clean, dry, and free from oil and grease at all times.
10. Disconnect power. Unplug air compressor (not included) when not in use.
SKU 1118 For technical questions, please call 1-800-444-3353 Page 2
11. Do not exceed maximum air pressure of 160 PSI.
12. Avoid unintentional starting. Do not carry any air tool with your finger on the trigger, whether it is plugged in or not.
13. Stay alert. Watch what you are doing, use common sense. Do not operate any tool when you are tired.
14. Check for damaged parts. Before using Filter/Regulator, any part that appears damaged should be carefully
checked to determine that it will operate properly and perform its intended function. Check for alignment and binding
of moving parts; any broken parts or mounting fixtures; and any other condition that may affect proper operation. Any
part that is damaged should be properly repaired or replaced by a qualified technician. Do not use any air tool if its
switch does not turn On and Off properly.
15. Replacement parts and accessories. When servicing, use only identical replacement parts. Use of any other parts
will void the warranty.
16. Do not operate air tools if under the influence of alcohol or drugs. Read warning labels if taking prescription
medicine to determine if your judgment or reflexes are impaired while taking drugs. If there is any doubt, do not
operate the product.
17. Maintenance. For your safety, service and maintenance should be performed regularly by a qualified technician.
18. Before using any air tool, read and adhere to all instructions and safety warnings provided in the instruction
manual of the air compressor being used. Be sure to use compressed air only.
Warning: The brass components of this product contain lead, a chemical known to the State of California
to cause birth defects (or other reproductive harm). (California Health & Safety Code 25249.5 et seq.)
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.
Unpacking
When unpacking, check to make sure all parts are included. Refer to the photo below, and the Parts List and
Diagram located at the end of this manual. If any parts are missing or broken, please call Harbor Freight Tools at
the number on the cover of this manual.
Assembly
1. Remove the contents in the small plastic bag and locate Nipple (1B). Thread the Nipple (1B) into the Plug (1A). You
should use teflon tape or pipe dope (not included) on all threaded connections. See Figure 1 below.
1A
1B
Figure 1
SKU 1118 For technical questions, please call 1-800-444-3353 Page 3
11. Remove adjusting keys and wrenches. Check that keys and adjusting wrenches are removed from the tool or
machine work surface before plugging it in.
12. Avoid unintentional starting. Do not carry any air tool with your finger on the trigger, whether it is plugged in or not.
1. Next thread the Air Regulator (3B) onto the Nipple (1B). See Figure 2 below.
13. Stay alert. Watch what you are doing, use common sense. Do not operate any tool when you are tired.
2. Thread in the Air Valve (5B) into the Air Regulator Assembly. See Figure 3.
14. Check for damaged parts. 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. Check for alignment and binding of moving
parts; any broken parts or mounting fixtures; and any other condition that may affect proper operation. Any part that is
damaged should be properly repaired or replaced by a qualified technician. Do not use any air tool if its switch does
not turn On and Off properly.
15. Replacement parts and accessories. When servicing, use only identical replacement parts. Use of any other parts
will void the warranty.
16. Do not operate air tools if under the influence of alcohol or drugs. Read warning labels if taking prescription
medicine to determine if your judgment or reflexes are impaired while taking drugs. If there is any doubt, do not
operate the tool.
17. Maintenance. For your safety, service and maintenance should be performed regularly by a qualified technician.
18. Before using any air tool, read and adhere to all instructions and safety warnings provided in the instruction manual
of the tool being used.
1B
Assembly Continued
2B
3B
2B
5B
Warning: The brass components of this product contain lead, a chemical known to the State of California
to cause birth defects (or other reproductive harm). (California Health & Safety Code 25249.5 et seq.)
Warning: The warnings, cautions, and instructions discus until sed 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 opera-
Figure 2 Figure 3
tor.
3. Thread the Regulator Handle (1C) into the Air Regulator (3B) until tight. See Figure 4. When assembly is complete, it
should look like the photo in Figure 5 below.
When unpacking, check to make sure all parts are included. Refer to the photo below, and the Parts List and
Unpacking
Diagram located at the end of this manual. If any parts are missing or broken, please call Harbor Freight Tools at
the number on the cover of this manual.
1B
2B
3B
1C
Assembly
Figure 4
Figure 5
SKU 1118 For technical questions, please call 1-800-444-3353 Page 4
Air Connections
Caution: To avoid injury, make certain that the air compressor is unplugged from the power source and that all
pressure is released from its tank before connecting the Air Filter/Regulator to it.
1. Connect the compressor air output hose (not included) or pipe (not included) to the Air Inlet (7B) and
securely tighten. See Figure 6 below.
2. Connect the air output hose to the Quick Coupler (not supplied) and screw into the Air Valve (5B) and
securely tighten. See Figure 6 below.
3. Connect air tool or devise to an output hose. See Figure 6 below.
Air Input Hose
AIR COMPRESSOR
Regulator Handle (1C)
Pressure Gauge (6B)
Air Inlet (7B)
Air Output Hose
(5B)
Figure 6
Operation
1. Turn on the air compressor and check for leaks. If any are found, turn the Compressor off, drain air from
tank, and fix the leak. WARNING: Do no exceed 160 PSI during use.
2. With the compressor ON, turn the Adjusting Screw (1C) to set the pressure that you want. Look at the
Pressure Gauge (6B) while you turn the Adjusting Screw. Stop turning the Regulator Handle (1C) when the
Presure Gauge needle points to the desired pressure. See Figure 6.
3. You must drain the Air Filter/Regulator of water daily. With the unit under pressure, turn the Drain Plug
(14A) to expel any accumulated moisture from the Air Filter. See page 6 parts list A.
Maintenance
1. Periodically disassemble the Air Filter and remove all dirt and debris. Remove air pressure before cleaning.
2. Periodically remove the Filter (6A), rinse it out with water and replace. If it is damaged or if it needs to be
replaced you can order a new one by calling 1-800-444-3353 and order SKU 10767 Filter Element.
SKU 1118 For technical questions, please call 1-800-444-3353 Page 5
7
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NOTE: Some parts are listed and shown for illustration purposes only and are not available individually as
replacement parts.
SKU 1118 For technical questions, please call 1-800-444-3353 Page 6
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NOTE: Some parts are listed and shown for illustration purposes only and are not available individually as
replacement parts.
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 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.
SKU 1118 For technical questions, please call 1-800-444-3353 Page 7
WARRANTY
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. 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 transpor tation 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
SKU 1118 For technical questions, please call 1-800-444-3353 Page 8
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