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1/4” MINI RATCHET WRENCH
model 93821
SET UP 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.
®
Distributedexclusively by harborFreight t ools .
3491 Mission Oaks Blvd., Camarillo, CA 93011
visit our website at: http://www.harborfreight.com
Read this materialbefore using this product.
Failureto do so can result in serious injury
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PRODUCT SPECIFICATIONS Drive Size 1/4” Square Drive Max. Working Pressure 90 PSI Minimum Air Consumption Required 14.5 SCFM @ 90 PSI Free Speed RPM 300 Max. RPM Torque 20 ft./lb. Air Inlet Size 1/4” - 18 NPT Required Air Hose I.D. 3/8” Exhaust Type Rear Exhaust Overall Length 5” L Unit Weight .85 lb. UNPACKING When unpacking, check to make sure the product 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 man
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WORK AREA 1. Keep your work area clean and well lit. Cluttered benches and dark areas invite accidents. 2. Do not operate pneumatic tools in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust. Pneumatic tools create sparks which may ignite flammables. 3. Keep bystanders, children, and visitors away while operating a pneumatic tool. Distractions can cause you to lose control. Protect others in the work area from debris such as chips and spar
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2. Do not force the tool. Use the correct tool for your application. The correct tool will do the job better and safer at the rate for which it is designed. 3. Do not use the power tool if the Throttle Lever does not turn it on or off. Any tool that cannot be controlled with the Throttle Lever is dangerous and must be replaced. 4. Disconnect the air hose from the tool before making any adjustments, changing accessories, or storing the tool. Such preventive safety measures
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3. Use clean, dry, regulated, compressed air at 90 PSI. Do not exceed the recommended 90 PSI. Never use oxygen, carbon dioxide, combustible gases, or any other bottled gas as a power source for this tool. 4. When connecting to the air supply: Prior to each use, if an automatic oiler is not used, add two drops of air tool oil (not included) into the Air Inlet (10) fitting of the Ratchet Wrench. 5. Always disconnect the Ratchet Wrench from its compressed air supply source, an
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Recommended Compressed Air System Set-Up: 1. For best service, you should incorporate an oiler, regulator, and inline filter when using an air compressor (not included) to operate the Ratchet Wrench. (See Figure B.) RECOMMENDED COMPRESSED AIR SYSTEM SET-UP ATTACH QUICK CONNECTOR TO RATCHET WRENCH FIGURE B To Operate The Ratchet Wrench: 1. The Ratchet Wrench is designed to work with all 1/4” drive sockets (not included). Before installing a socket, make sure your hand is away from the Thro
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6. If necessary, use a torque wrench (not included) to verify the desired torque of a bolt/nut. If a bolt/nut requires a higher torque level than that produced by the Ratchet Wrench at 90 PSI, an alternate means (other than the Ratchet Wrench) of achieving the desired torque should be used. 7. When finished, release the Throttle Lever (11) to stop the Ratchet Wrench. (See Figure C.) 8. Turn off the air compressor. Disconnect the Ratchet Wrench from its air supply hose, and remove the sock
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3. Daily: With a soft brush, cloth, or vacuum, remove all dust and debris from the Ratchet Wrench. Then, use a premium quality, lightweight machine oil to lubricate all external moving parts. 4. CAUTION! All maintenance, service, or repairs not listed in this manual are only to be attempted by a qualified service technician. PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM IN THIS MANUAL AS A REFER
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ASSEMBLY DIAGRAM NOTE: Some parts are listed and shown for illustration purposes only, and are not available individually as replacement parts. SKU 93821 For technical questions, please call 1-800-444-3353 PAGE 9
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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, normal wear and tear, or to lack of
