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For technical questions, please call 1-888-866-5797.

Item 63433 
        

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16.  The warnings, precautions, and instructions 

discussed in this instruction manual cannot cover all 
possible conditions and situations that may occur.   
It must be understood by the operator that 
common sense and caution are factors 
which cannot be built into this product, 
but must be supplied by the operator.

Vibration Safety

This tool vibrates during use.  
Repeated or long-term exposure to vibration may 
cause temporary or permanent physical injury, 
particularly to the hands, arms and shoulders.  
To reduce the risk of vibration-related injury:

1.  Anyone using vibrating tools regularly or for 

an extended period should first be examined 
by a doctor and then have regular medical 
check-ups to ensure medical problems are not 
being caused or worsened from use.  Pregnant 
women or people who have impaired blood 
circulation to the hand, past hand injuries, 
nervous system disorders, diabetes, or 
Raynaud’s Disease should not use this tool.  
If you feel any symptoms related to vibration (such 
as tingling, numbness, and white or blue fingers), 
seek medical advice as soon as possible.

2.  Do not smoke during use.  Nicotine reduces 

the blood supply to the hands and fingers, 
increasing the risk of vibration-related injury.

3.  Wear suitable gloves to reduce the 

vibration effects on the user.

4.  Use tools with the lowest vibration 

when there is a choice.

5.  Include vibration-free periods each day of work.

6.  Grip tool as lightly as possible (while still keeping 

safe control of it).  Let the tool do the work.

7.  To reduce vibration, maintain the tool as 

explained in this manual.  If any abnormal 
vibration occurs, stop use immediately.

Silicosis Safety Measures

Masonry drilling on materials such as concrete 
(which contains crystalline silica) can cause silicosis 
(a serious lung disease), cancer and death.  To 
reduce crystalline silica exposures in the workplace 
and prevent silicosis and silicosis-related deaths:

1.  Conduct air monitoring to measure 

worker exposures.

2.  Use containment methods to control the hazard 

and protect adjacent workers from exposure.

3.  Practice good personal hygiene to avoid 

unnecessary exposure to silica dust.

4.  Wear washable or disposable protective 

clothes at the work site.  Shower and change 
into clean clothes before leaving the work site 
to prevent contamination of cars, homes and 
other work areas.  Avoid skin exposure.

5.  Always wear a NIOSH approved respirator and 

safety goggles.  Ventilate the work area properly.

6.  Provide periodic medical examinations for all 

workers who may be exposed to crystalline silica.

7.  Post signs to warn workers about the hazard and to 

inform them about required protective equipment.

8.  Provide workers with training that includes 

information about health effects, work practices 
and protective equipment for crystalline silica.

9.  Report all cases of silicosis to State health 

departments and to OSHA or the Mine Safety 
and Health Administration (MSHA).

 SAVE THESE INSTRUcTIONS.

Summary of Contents for 1642E-B

Page 1: ...ce 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 2016 by Harbor Freight Tools All rights...

Page 2: ...on which if not avoided could result in minor or moderate injury Addresses practices not related to personal injury IMpORTANT SAFETy INFORMATION General power Tool Safety Warnings Read all safety warn...

Page 3: ...he off position before connecting to power source picking up or carrying the tool DUU LQJ SRZHU WRROV ZLWK RXU ILQJHU RQ WKH 7ULJJHU RU HQHUJL LQJ SRZHU WRROV WKDW have the Trigger on invites accident...

Page 4: ...l it has come to a complete stop Moving parts can grab the surface and pull the tool out of your control 9 When using a handheld power tool maintain a firm grip on the tool with both hands to resist s...

Page 5: ...vibration when there is a choice 5 Include vibration free periods each day of work 6 Grip tool as lightly as possible while still keeping safe control of it Let the tool do the work 7 To reduce vibra...

Page 6: ...to carry electricity away from the user reducing the risk of electric shock See 3 prong plug and Outlet 2 The grounding prong in the plug is connected through the green wire inside the cord to the gro...

Page 7: ...to indicate it is acceptable for outdoor use 7 Make sure the extension cord is properly wired and in good electrical condition Always replace a damaged extension cord or have it repaired by a qualifie...

Page 8: ...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 Note For additional informati...

Page 9: ...e Rotary Hammer The body of the Hammer will interfere with the Depth Gauge if the Handle is in the bottom position 2 Loosen the Lock Nut then slide the Depth Gauge through the Depth Gauge Slot on the...

Page 10: ...while working 3 Secure loose workpieces using a vise or clamps not included to prevent movement while working 4 There must not be objects such as utility lines nearby that will present a hazard while...

Page 11: ...section TO pREVENT SERIOUS INJURy FROM TOOL FAILURE Do not use damaged equipment If abnormal noise or vibration occurs have the problem corrected before further use cleaning Maintenance and Lubricatio...

Page 12: ...cord is needed use one with the proper diameter for its length and load See WHQVLRQ RUGV in Grounding section on page 6 Performance decreases over time 1 Carbon brushes worn or damaged 2 Bit dull or...

Page 13: ...IAGRAM 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...

Page 14: ...il Retaining Bearing 1 44 Middle Cover 1 1004 Intermediate Shaft Assembly 45 Split Washer 1 46 Bearing 607 2Z 2 47 Bearing Board 607 1 part Description Qty 48 Primary Gear 1 49 Needle Bearing K9x12x10...

Page 15: ...Page 15 For technical questions please call 1 888 866 5797 Item 63433 SAFETy OpERATION MAINTENANcE SETUp Assembly Diagram...

Page 16: ...the exclusion or limitation of incidental or consequential damages so the above limitation of exclusion may not apply to you THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPL...

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