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Owner's Manual & Safety Instructions
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operating, inspection, maintenance and cleaning procedures� Write the product's serial number in the
back of the manual near the assembly diagram (or month and year of purchase if product has no number)�
Keep this manual and the receipt in a safe and dry place for future reference�
email our technical support at: productsupport@harborfreight.com
When unpacking, make sure that the product is intact
and undamaged� If any parts are missing or broken,
please call 1-888-866-5797 as soon as possible�
©
Copyright
2018 by Harbor Freight Tools
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�
Diagrams within this manual may not be drawn proportionally� Due to continuing
improvements, actual product may differ slightly from the product described herein�
Tools required for assembly and service may not be included�
Keep this manual for the safety warnings and precautions, assembly,
Visit our website at: http://www.harborfreight.com
®
� All rights reserved�
Read this material before using this product�
Failure to do so can result in serious injury�
SAVE THIS MANUAL�
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Summary of Contents for Bauer Hypermax Lithium 1791C-B1
- Page 1 Owner’s Manual & Safety Instructions Save This Manual Keep this manual for the safety warnings and precautions, assembly, operating, inspection, maintenance and cleaning procedures� Write the product’s serial number in the back of the manual near the assembly diagram (or month and year of purchase if product has no number)� Keep this manual and the receipt in a safe and dry place for future reference�...
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Page 2: Table Of Contents
table of contents Safety ���������������������������������������������������������������������2 Maintenance ����������������������������������������������������������11 Specifications ���������������������������������������������������������7 Parts List and Diagram ������������������������������������������12 Setup ����������������������������������������������������������������������7 Warranty ����������������������������������������������������������������16 Operation ����������������������������������������������������������������8 WarninG SyMBOLS anD DeFinitiOnS This is the safety alert symbol� It is used to alert you to potential personal injury hazards� Obey all safety messages that follow this symbol to avoid possible injury or death�... -
Page 3: Safety
c� Do not expose power tools to rain or wet h� Do not let familiarity gained from frequent conditions. Water entering a power tool use of tools allow you to become will increase the risk of electric shock. complacent and ignore tool safety principles. - Page 4 e� Maintain power tools and accessories. e� When battery pack is not in use, keep check for misalignment or binding of it away from other metal objects, like moving parts, breakage of parts and any paper clips, coins, keys, nails, screws other condition that may affect the power or other small metal objects, that can tool’s operation.
- Page 5 7� Lithium Battery Safety Warnings b� always start drilling at low speed and with the bit tip in contact with the workpiece. At higher speeds, the bit is likely to bend if allowed to rotate freely without contacting the workpiece, resulting in personal injury. c�...
- Page 6 If you feel any symptoms related to d� Use tools with the lowest vibration vibration (such as tingling, numbness, when there is a choice� and white or blue fingers), seek medical e� Include vibration-free periods each day of work� advice as soon as possible� f�...
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Page 7: Specifications
Specifications Model 1791c-B1 Model 1792c-B1 Battery Rating 20 V / 1.5 A h 20 V / 1.5 A h Battery Type Li-ion Li-ion No Load Speed 0-450 / 0-1,700 0-450 / 0-1,700 – 0-7,200 / 0-27,200 Chuck Size 1/2" 1/2" Setup - Before use: read the entire iMpOrtant SaFety inFOrMatiOn section at the beginning of this manual including all text under subheadings therein before set up or use of this product. -
Page 8: Operation
Operating instructions read the entire iMpOrtant SaFety inFOrMatiOn section at the beginning of this manual including all text under subheadings therein before set up or use of this product. tool Set up tO preVent SeriOuS inJury FrOM acciDentaL OperatiOn: Make sure that the trigger is in the off-position and remove its Battery pack before performing any procedure in this section. - Page 9 Setting torque Set torque by rotating Torque Selector� • If a pilot hole has been drilled into the material, a lower torque setting will be required� a� use the numbered torque settings from 1 to 17 for driving screws, bolts and nuts. •...
- Page 10 Drilling in Wood 1� Use high speed drill bits for wood drilling� 3� When drilling through holes, place a block (For Model 1792C-B1 only, select Drilling or wood behind the workpiece to prevent Mode with the Mode Selector)� ragged edges on the back side of the hole� 2�...
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Page 11: Maintenance
Maintenance and Servicing instructions procedures not specifically explained in this manual must be performed only by a qualified technician. tO preVent SeriOuS inJury FrOM acciDentaL OperatiOn: Make sure that the trigger is in the off-position and remove its Battery pack before performing any procedure in this section. tO preVent SeriOuS inJury FrOM tOOL FaiLure: Do not use damaged equipment. -
Page 12: Parts List And Diagram
parts List and Diagram pLeaSe reaD tHe FOLLOWinG careFuLLy THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY� NEITHER THE MANUFACTURER OR 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�... - Page 13 assembly Diagram for 1791c-B1 Item 64754 64756 For technical questions, please call 1-888-866-5797. Page 13...
- Page 14 parts List for 1792c-B1 part Description part Description Screw 6-29 Planet Carrier Chuck 6-30 Planet Gear Screw 6-31 Spacer Torque Sleeve 6-32 Rear Shell Gear Ring Torque Sleeve Ferrule 6-33 Gearbox Rear Shell Output Shaft 6-34 Screw Ball Bearing 6-35 Planet Gear Carrier Steel Ball 6-36 Planet Gear Small Spacer...
- Page 15 assembly Diagram for 1792c-B1 Item 64754 64756 For technical questions, please call 1-888-866-5797. Page 15...
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Page 16: Warranty
Limited 90 Day 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 90 days 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, criminal activity, improper installation, normal wear and tear, or to lack of maintenance�...