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1” PINLESS
AIR IMPACT WRENCH
68128
SET uP ANd OPERATINg INSTRuCTIONS
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Read this material before using this product.
Failure to do so can result in serious injury.
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NOTICE is used to SAVE THIS MANuAL address practices Keep this manual for the safety warn- not related to personal injury. ings and precautions, assembly, operat- CAuTION, without ing, inspection, maintenance and cleaning the safety alert procedures. Write the product’s serial symbol, is used to address number in the back of the manual near the practices not related to assembly diagram (or month and year of personal injury. purchase if product has no number). Keep this manual and
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tool. Distractions are able to result in conditions. Wear heavy-duty work the loss of control of the tool. gloves during use. g. Always wear eye protec- Personal safety tion. Wear ANSI-ap- a. Stay alert. Watch what you are do- proved safety goggles. ing and use common sense when h. Always wear hearing operating the tool. Do not use the protection when using tool while tired or under the influ - the tool. Prolonged expo- ence of drugs, alcohol, or medica- sure to high intensity noise tio
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e. Store the tool when it is idle out of regulated compressed air at the rated reach of children and other un- pressure or within the rated pressure trained persons. A tool is dangerous range as marked on the tool. Always in the hands of untrained users. verify prior to using the tool that the air source has been adjusted to the f. Maintain the tool with care. A rated air pressure or within the rated properly maintained tool is easier to air-pressure range. control. b. Never use oxygen,
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5. Obey the manual for the air compres- Symbol Definitions sor used to power this tool. Symbol Property or statement 6. Install an in-line shutoff valve to allow WARNING marking concerning Risk immediate control over the air supply of Eye Injury. Wear ANSI-approved in an emergency, even if a hose is eye protection. ruptured. WARNING marking concerning Risk of Hearing Loss. Wear hearing 7. Use this tool with both hands only. protection. Using tools with only one hand can WARNING marki
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3. Wear suitable gloves to reduce the SPECIFICATIONS vibration effects on the user. Maximum Air Pressure 90 PSI 4. Use tools with the lowest vibration Air Inlet 1/2” -14 NPT when there is a choice. Drive Size 1” 5. Include vibration-free periods each 3200 RPM / 557 BPM Maximum Speed* (Blows Per Minute) day of work. Average Air 10 CFM @ 90 PSI 6. Grip tool with both hands as lightly as Consumption possible (while still keeping safe con- Recommended Min. 1/2” (Not Supplied) trol of it). L
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2. Attach an air hose to the compres- Air Supply sor’s air outlet. Connect the air hose TO PREVENT to the air inlet of the tool. Other com- ExPLOSION: ponents, such as a connector and use only clean, dry, regulated, quick coupler, will make operation compressed air to power this more efficient, but are not required. tool. do not use oxygen, WARNINg! TO PREVENT SERIOuS carbon dioxide, combustible INjuRY FROM ACCIdENTAL gases, or any other bottled OPERATION: gas as a power source
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trapped line pressure, and detach air Work Piece and Work Area Set up supply hose from the air supply. 1. Designate a work area that is clean Note: Residual air pressure should not be and well-lit. The work area must not present after the tool is disconnected allow access by children or pets to from the air supply. However, it is a prevent distraction and injury. good safety measure to attempt to 2. Route air hose along a safe route discharge the tool in a safe fashion to reach work
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5. For Reverse, turn the Direction Knob to the desired Reverse speed. NOTE: There are three torque settings for the Reverse direction. To loosen, set the Regulator Knob to one of the Reverse settings. 6. Hold the Side Handle firmly and place other hand around Handle (28). Gen- tly squeeze the Trigger (49). 7. Place socket (not included) over desired nut, hold handle firmly and gently squeeze the Trigger. 8. If tool requires more force to accomplish task in Forward or Revers
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1. daily - Air Supply Maintenance: uSER-MAINTENANCE Every day, perform maintenance INSTRuCTIONS on the air supply according to the component manufacturers’ Procedures not specifically instructions. The lubricator’s oil explained in this manual level needs to be maintained and must be performed only by a the moisture filter must be regularly qualified technician. drained. Performing routine TO PREVENT maintenance on the air supply will SERIOuS INjuRY allow the tool to operate
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Troubleshooting Problem Possible Causes Likely Solutions Decreased output. 1. Not enough air pressure and/ 1. Check for loose connections and make sure or air flow. that air supply is providing enough air flow (CFM) at required pressure (PSI) to the tool’s air inlet. do not exceed 90 PSI maximum air pressure. 2. Obstructed trigger. 2. Clean around trigger to ensure free movement. 3. Incorrect lubrication or not 3. Lubricate using air tool oil and grease enough lubrication. according to
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PARTS LIST Part description Q’ty Part description Q’ty 1 Hex Screw 4 26 Pin 1 2 Gasket 8 27 Gasket 1 3 Nut 4 28 Handle 1 4 Hammer Case 1 29 Pin 1 5 Side Handle 1 30 Hex Screw 2 6 Bolt 4 31 O-Ring 2 7 Washer 4 32 Valve Bushing 1 8 Gasket 1 33 Direction Knob 1 9 Oil Seal 1 34 O-Ring 1 10 Anvil Bushing 1 35 Lever Pin 1 11 Circlip 1 36 Steel Ball 1 12 O-Ring 1 37 Spring 1 13 Anvil 1 38 Throttle Bushing 1 14 Hammer Bushing 1 39 Throttle Valve 1 15 Hammer 1 40 Inlet Spring 1 16 Cam 1 41 O-Ring 2 17 Ha
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ASSEMBLY dIAgRAM LIMITEd 1 YEAR WARRANTY Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and dura- bility 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 (90 days if used by a professional contractor or if used as rental equipment). This warranty does not apply to damage due directly or indi- rectly, to misuse, abuse, negligence or
