Instruction/ maintenance manual of the product 31877 Harbor Freight Tools
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½” ELECTRIC IMP ACT WRENCH Model 31877 SET UP AND OPERA TING INSTRUCTIONS Diagrams within this manual may not be drawn proportionally . Due to continuing improvements, actual product may differ slightly from the product described herein. Distributed exclusively by Harbor Freight T ools ® .
Page 2 SKU 31877 For technical questions, please call 1-800-444-3353. SA VE THIS MANUAL Keep this manual for the safety warnings and precautions, assembly , operating, inspec- tion, maintenance and cleaning procedures.
Page 3 SKU 31877 For technical questions, please call 1-800-444-3353. GENERAL SAFETY RULES W ARNING! Read all instructions Failure to follow all instructions listed below may result in electric shock, re, and/or serious injury .
Page 4 SKU 31877 For technical questions, please call 1-800-444-3353. REMOVE ADJUSTING KEYS AND WRENCHES. Make it a habit to check that keys and adjusting wrenches are removed from the tool or machine work surface before plugging it in. A VOID UNINTENTIONAL ST ARTING.
Page 5 SKU 31877 For technical questions, please call 1-800-444-3353. Arsenic and chromium from chemically treated lumber Y our risk from these exposures varies, depending on how often you do this type of work.
Page 6 SKU 31877 For technical questions, please call 1-800-444-3353. The smaller the gauge number of the wire, the greater the capacity of the cord. For ex- ample, a 14 gauge cord can carry a higher current than a 16 gauge cord.
Page 7 SKU 31877 For technical questions, please call 1-800-444-3353. SPECIFICA TIONS Motor 120 V~, 60 Hz, 7 A; 2100 RPM Power 2400 BPM: 240 ft-lb T orque Drive 1/2” UNP ACKING When unpacking, check to make sure that the item is intact and undamaged.
Page 8 SKU 31877 For technical questions, please call 1-800-444-3353. MAINTENANCE Risk of serious personal injury from accidental starting or electric shock. T urn the Power Switch of the tool to its “OFF” position and unplug the tool from its electrical outlet before performing any inspection, maintenance, or cleaning procedures.
Page 9 SKU 31877 For technical questions, please call 1-800-444-3353. PLEASE READ THE FOLLOWING CAREFULL Y THE MANUF ACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE P ARTS LIST AND ASSEMBL Y DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONL Y .
Page 10 SKU 31877 For technical questions, please call 1-800-444-3353. ASSEMBL Y DIAGRAM Record Product’ s Serial Number Here: Note: If product has no serial number , record month and year of purchase instead. Note: Some parts are listed and shown for illustration purposes only , and are not available individually as replacement parts.
Page 1 1 SKU 31877 For technical questions, please call 1-800-444-3353. LIMITED 90 DA Y W ARRANTY Harbor Freight T ools Co. makes every ef fort to assure that its products meet high qual - ity and dur.
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