Craftsman 320.27990, Operator'S Manual

Page 1: ...educe the risk of injury the user must read and understand the Operator s manual before using this product _ C_US WARRANTY SAFETY UNPACKING DESCRIPTION OPERATION MAINTENANCE TROUBLESHOOTING ESPANOL Sears Brands Management Corporation Hoffman Estates IL 60179 U S A www craftsman com ...

Page 2: ...w craftsman com This warranty is void if this product is ever used while providing commercial services or if rented to another person This warranty gives you specific legal rights and you may also have other rights which vary from state to state Sears Brands Management Corporation Hoffman Estates IL 60179 A WARNING Some dust created by using power tools contains chemicals known to the state of Cal...

Page 3: ... or to others Always follow the safety precautions to reduce the risk of fire electric shock and personal injury _ CAUTION Failure to obey this safety warning may result in death or serious injury to you or to others Always follow the safety precautions to reduce the risk of fire electric shock and personal injury _ WARNING To ensure safety and reliability all repairs should be performed at a Sear...

Page 4: ...ocations To reduce the risk of injury user must Read The Operator s Manual read and understand operator s manual before using this product O Always wear safety goggles or safety Eye Protection glasses with side shields and a full face shield when operating this product _lb Alert Precautions that involve Safety your safety Failure to keep your hands away from the No Hands Symbol blade will result i...

Page 5: ... and well lit Cluttered or dark areas invite accidents Do not operate power tools in explosive environments such as in the presence of flammable liquids gases or dust Power tools create sparks which may ignite the dust or fumes Keep children and bystanders away while operating a power tool Distractions may cause you to lose control ELECTRICAL SAFETY Power tool plugs must match the outlet Never mod...

Page 6: ...s Remove any adjusting key or wrench before turning the power tool on A wrench or a key left attached to a rotating part of the power tool may result in personal injury Do not overreach Keep proper footing and balance at all times This enables better control of the power tool in unexpected situations Dress properly Do not wear loose clothing or jewelry Keep your hair clothing and gloves away from ...

Page 7: ...ion of any tool can result in foreign objects being propelled into your eyes resulting in severe eye damage When operating a power tool always wear safety goggles or safety glasses with side shields and a full face shield when needed A_ WARNING If any parts are missing do not operate the tool until the missing parts have been replaced Doing so could result in serious personal injury SERVICE SAFETY...

Page 8: ...roper fastening torque may differ depending on the type of size of the bolt Use thick cushioned gloves and limit the exposure time by taking frequent rest periods Vibration caused by hammer drill or Impact wrench action may be harmful to your hands and arms Do not use this tool as a drill Tools equipped with shut off clutches are not designed for drilling applications The output drive can shut off...

Page 9: ...on and place on a stable flat surface 2 Open the box to locate the following Impact wrench Manual Soft case 3 Inspect the items carefully to make sure that no breakage or damage has occurred during shipping If any of the items mentioned is missing return the Impact Wrench with your sales receipt to your nearest Craftsman retail outled to have the Impact Wrench replaced _ WARNING If any part is bro...

Page 10: ...Reverse Switch Live Tool Indicator LED Work Light _i WARNING Do not allow familiarity with the impact wrench to cause a lack of alertness A fraction of a second of carelessness is enough to cause severe injury PRODUCT SPECIFICATIONS Motor 120Volt 60Hz AC only No Load Speed 2100 RPM Impacts Per Minute 2700 BPM Torque 350 ft lbs Capacity Standard bolt M 18 M22 11 16 7 8 Capacity High tensile bolt M1...

Page 11: ...d safety rules LED WORK LIGHT Pressing the trigger switch illuminates the LED worklight located on the base of the Impact Wrench This feature provides extra light for increased visibility LIVE TOOL INDICATOR The LED indicator shines green when the tool is plugged into a power source EXTERNALLY ACCESSIBLE CARBON BRUSHES Externally accessible brushes permit replacement of the brushes to extend the l...

Page 12: ... WRENCH ON Fig 3 1 Fig 2 _r_ _j Socket Output Drive Connect the power cord of your impact wrench to a standard household power outlet Fig 3 2 Press the part of the switch marked _F_ to run the tool in the forward direction clockwise rotation Use this direction for tightening bolts or nuts Switch 3 Press the part of the switch marked _ R_ to reverse the motor direction counter clockwise rotation Us...

Page 13: ...llow a fastener to spin freely once it is no longer engaged with its threaded counterpart as it may be thrown out of the socket IMPACTING TECHNIQUES The proper fastening torque may differ depending on the type or size of the bolt the material of the workpiece to be fastened etc NOTE Hold the tool straight along the axis of the bolt or nut NOTE Excessive fastening torque may damage the bolt nut or ...

Page 14: ...t o Although the torque coefficient and the class of bolt may be the same the proper fastening torque will differ according to the diameter of the bolt o Even if the diameters of bolts are the same the proper fastening torque will differ according to the torque coefficient the class of bolt and the bolt length The use of a universal joint or an extension bar both available separately will reduce t...

Page 15: ...ot replace the brush on one side without replacing the other 5 Reassemble using new brush assemblies Make sure that the curvature of the brush matches the curvature of the motor and that the brush moves freely in the brush tube being certain to fit the two metal ears into the brush tube 6 Tighten all brush caps securely Do not over tighten The tool should be allowed to RUN IN run at no load withou...

Page 16: ...gged into a power an appropriate power does not work source source Socket cannot be installed Improper socket selection Use a suitable socket Clean and clear vents Cooling vents are Motor overheating obstructed Do not cover vents with hand during operation 27990 ManuaLRevised_iO 1202 Page i6 ...

Page 17: ...m_ o C C o C E _ E I o _ C _ z_ o o E J ...

Page 18: ... 1 7 5700217000 Steel Ball 2 8 3551371000 Impact Block 1 9 5700045000 Steel Ball 29 10 5650312000 Washer 2 11 3660413000 Spring 1 12 3551440000 Gear 1 13 3551372000 Spindle 1 14 5650187000 Washer 2 15 5700028000 Needle Bearing 2 16 3551470000 Gear 1 17 3704670000 Gasket 1 202 2822944000 Rear Gear Housing ASSY 1 18 5670258000 Pin 1 19 5700211000 Oil Impreging Bearing 1 20 3421139000 Rear Gear Housi...

Page 19: ...ing Screw 6 38 3121028000 Cord Guard 1 39 3125935000 Brush Cover 2 40 2800005000 Brush Holder Assy 2 41 4960019000 Carbon Brush Assy 2 42 4930432000 Connecter 1 43 3700314000 Cord Anchorage 1 44 5610093000 Tapping Screw 2 45 4890462000 PCB Assembly 1 46 4540017000 Power Supply Indicator 1 47 5610010000 Tapping Screw 2 48 3125488000 Indicator Cover 1 49 3125491000 Right Bracket 1 50 3125490000 Left...

Page 20: ...55 4870453000 Rocker Switch 1 56 3321079000 Handle 1 57 4810002000 Power Cord Plug 1 58 4860004000 Inner Wire 2 59 4930449000 Terminal 2 60 4930030000 Receptacle 4 27990 ManuaLRevised_lO 1202 Page 20 ...

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Page 24: ...s lawn equipment and electronics call anytime for the location of the nearest Sears Parts Repair Service Center 1 800 488 1222 U S A 1 800 469 4663 Canada www sears corn www sears ca TOpurchase a protection agreement on a product serviced by Sears 1 800 827 6655 U S A 1 800 361 6665 Canada Parapedir serviciode reparacbn Au Canada pour service enfrangais a domicilio y paraordenar piezas 1 800 LE FO...