Harbor Freight Tools 92849 User's Manual
Contents
1. CENTRAL PNEUMATIC Tho Ty ee Professional 1 4 Air Ratchet Wrench WM feye 1 92849 ASSEMBLY AND OPERATING INSTRUCTIONS 3491 Mission Oaks Blvd Camarillo CA 93011 Visit our Web site at hitp www harborfreight com Copyright 2005 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 paris please call 1 800 444 3353 Specifications Construction Cast aluminum Body with Operating Speed 250 rpm at 90 psi Machined Steel Ratchet and Torque Regulator Controlled torque Air Consumption 13 5 SCFM 33 ft lbs C W 31 filbs C C W Overall Dimensions 8 1 2 L x 2 1 4 H x 1 1 2 Dia Net Weight 1 6 Lbs 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 tool basic safety precautions should always be fol lowed to reduce the risk of personal injury and damage to equipment Read all instructions before using this tool 1 2 Keep work area clean Cluttered areas invite injuries Observe2. ard against electric shock when working on electrical equipment Prevent body contact with grounded surfaces such as pipes radiators ranges and refrigerator enclosures SKU 92849 Page 3 16 Replacement parts and accessories When servicing use only identical replacement parts Use of any other parts will void the warranty Only use accessories intended for use with this tool Approved accessories are available from Harbor Freight Tools 17 Do not operate tool if under the influence of alcohol or drugs Read warning labels on prescriptions to determine if your judgment or reflexes are impaired while taking drugs If there is any doubt do not operate the tool 18 Use proper size and type air pressure line and fittings The recommended air line for this tool is 3 8 delivering no more than 90 psi Recommended air inlet size is 1 4 18 npt 19 Maintenance For your safety service and maintenance should be performed regularly by a qualified technician 20 You should maintain a proper regulator and moisture trap in your air line at all times 21 Use compressed air only Never use combustible gas as a power source Note Performance of this tool may vary depending on variations in local air pressure 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 fac
3. each of the several torque settings will depend on the air pressure supplied to the tool We suggest that you test the actual torque by tightening a nut or bolt on a test piece using each setting then observing the resultant torque by using a mechanical torque wrench not supplied Note Never over q y g q pelle tighten the nut or bolt 7 Ifinstalling a nut or bolt set it as tight as possible by hand 92 age may result from over tightening 8 Place the impact socket not included over the fastener Grip the Air Ratchet Wrench tightly with both hands and squeeze the trigger 8 The tool will operate and tighten the fastener 9 When the fastener is tightened release the Trigger 8 and remove the tool from the fastener 10 If possible check the actual torque applied to the fastener with a mechanical torque wrench not supplied If additional torque is required beyond what is delivered by using air pressure the fastener may be further tightened using this tool in the manner of a standard ratchet wrench 11 If removing a fastener rotate the Reverse Button 38 counterclockwise assuming that the fastener is a standard right hand thread Always check to be sure of the thread direction of any fastener before attempting to install or remove it If the fastener is a left hand thread turn the Reverse Button 38 to the right for removal 12 Place an appropriate impact socket not
4. ed pressure of 90 psi Damage to your tool and possible personal injury may result 3 Check the air line and its connections for air leaks Make note of these and repair them before using this tool NOTE Turn off your air compressor and disconnect the air pressure hose before changing sockets or making any adjustments to this tool Severe injury or property damage may otherwise result WARNING This tool generates considerable torque when in use Always hold the tool with both hands when using and brace yourself to resist the torque which will be delivered to the work piece 4 Select the appropriate size 1 4 square drive impact socket not included for your needs Push and snap the socket onto the Ratchet Anvil 42 Caution Use only impact sockets Standard sockets are not strong enough 5 Setthe direction of the Air Impact Wrench to F forward or R reverse Please see photo By rotating the Reverse Button 38 to the right you are setting the tool to operate FORWARD NOTE In this booklet FORWARD refers to clockwise rotation and REVERSE refers to counterclockwise rotation Always be aware of the direction of the threading of the fastener you are working on While most fasteners install with clockwise rotation some threads are intentionally the opposite of this standard SKU 92849 Page 5 6 Adjust the Air Regulator 13 to the desired torque setting NOTE The actual torque delivered at
5. included over the fastener Holding the Air Ratchet Wrench with both hands squeeze the Trigger 8 The fastener should come off WARNING If the fastener will not come off first check to be sure of the direction of the thread If you have the thread direction correct and the fastener will not come off DO NOT INCREASE THE AIR PRESSURE to the tool beyond 90 psi This may damage the tool You may have to use pen etrating oil heat or a mechanical wrench to remove the fastener 13 When you are done using this tool turn off the air compressor and disconnect the air hose Put the Air Ratchet Wrench away in its proper storage place SKU 92849 Page 6 Maintenance 1 Your Air Ratchet Wrench should be kept clean dry and lightly oiled 2 When notin use store your tool in a suitable place where it will not be exposed to water corrosive materials or undue banging around 3 Ifyou are not using an in line oiler you should inject a few drops of pneumatic oil into the air inlet of the tool after every hour of continuous use 4 If your tool loses power or you notice air leaks take it to a certified technician for service Parts List Description Housing 25 Pin 1 Valve Stem 27 Bearing Spring 3 i ss Drive Bushing N Valve Plug Trigger Trigger Pin 10 11 Handle Cover Muffler Cover Drive Bushing NOTE Some parts are listed and shown for illustration purposes only and are not available individually as re
6. placement parts SKU 92849 Page 7 12 O ring 13 14 O ring 15 16 Set Pin Air Regulator 17 Spring 18 19 0 21 Cylinder 1 1 1 1 1 1 1 1 Bearing 1 1 End Plate 34 35 36 37 38 39 40 41 42 43 4 I 5 J gt gt 2 2 Pare e ES ES e E EA e 13 14 E E EA EA 9 ES EEN 22 23 24 22 23 24 Rotor iN Rotor Blade Front Plate Assembly Drawing Ye a ia s A 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 AS SUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGI NAL PRODUCT OR REPLACEMENT PARTS THERETO OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO SKU 92849 Page 8
7. roper footing and balance at all times Do not reach over or across running machines Maintain tools with care Keep tools clean and in good condition for better and safer performance Follow instructions for lubricating and changing accessories Inspect tool fittings and hoses periodically and if damaged have them repaired by an authorized technician The handles must be kept clean dry and free from oil and grease at all times Disconnect power Disconnect from air pressure source when not in use Remove adjusting keys and wrenches Check that keys and adjusting wrenches are removed from the tool or machine work surface before connecting it Avoid unintentional starting Be sure the switch is in the Off position when not in use and before attaching to pressure source Do not carry any tool with your finger on the trigger whether it is attached or not Stay alert Watch what you are doing use common sense Do not operate any tool when you are tired 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 the tool if any switch does not turn On and Off properly Gu
8. tors which cannot be built into this product but must be supplied by the operator Air Pressure Supply We recommend that you use both a filter and an in line oiler in your air supply system as illustrated in the diagram below These components are not included with this tool abut are available from Harbor Freight Tools We recommend that you install a quick release nipple not included into the Inlet Connector 15 Quick release connectors at all points that a hose attaches to your compressor set up and your tools make working with air powered tools easier and more convenient Hose Line Air Impact AIR Wrench 7 7 amp COMPRESSOR Air Hose on Reel Regulator Recommended Air Line Components SKU 92849 Page 4 Operation 1 Install a standard 1 4 Air Connector not included to the Air Inlet 15 First wrap the threaded portion of the 1 4 air connector with pipe thread seal tape before threading it into the Air Inlet 15 Tighten securely 2 Attach a standard quick connector not included to your 3 8 i d air pressure source hose Then attach the air hose to the Air Ratchet Wrench NOTE If you are not using an automatic in line oiler add a few drops of pneumatic oil to the Air Inlet 15 before attaching the air hose Add a few more drops of oil after every hour of continual use 2 Set the air pressure regulator of your air compressor at 90 psi WARNING Do not exceed the recommend
9. work area conditions Do not use machines or power tools in damp or wet locations Don t expose to rain Keep work area well lit Do not use electrically powered tools in the presence of flammable gases or liquids Keep children away Children must never be allowed in the work area Do not let them handle machines tools or extension cords Store idle equipment When not in use tools must be stored in a dry location to inhibit rust Always lock up tools and keep out of reach of children Use the right tool for the job Do not attempt to force a small tool or attachment to do the work of a larger industrial tool There are certain applications for which this tool was designed It will do the job better and more safely at the rate for which it was intended Do not modify this tool and do not use this tool for a purpose for which it was not intended SKU 92849 Page 2 10 11 12 13 14 15 Dress properly while working Do not wear loose clothing or jewelry as they can be caught in moving parts Protective electrically non conductive clothes and non skid footwear are recommended when working Wear restrictive hair covering to contain long hair Use eye and ear protection Always wear ANSI approved impact safety goggles Wear a full face shield if you are producing metal filings or wood chips Wear an ANSI approved dust mask or respirator when working around metal wood and chemical dusts and mists Do not overreach Keep p
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