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Item 63433 
        

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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 unplug the tool from its 
electrical outlet before performing any procedure in this section.

Adjusting the Auxiliary Handle

1.  The Auxiliary Handle can be placed 

in a variety of positions.

2.  To adjust the Auxiliary Handle, turn the Handle 

counterclockwise to loosen the band. Slide 
the Handle on or off the Rotary Hammer 
or to the desired position then turn the 
Handle clockwise to secure it in place.

Band

Auxiliary 

Handle

Depth 

Gauge Slot

Lock 

Nut

Figure B

Using the Depth Gauge

1.  The Depth Gauge can only be used if the 

Auxiliary Handle is in place and positioned on 
either side or the top of the 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 Auxiliary Handle. 

See Figure B.

3.  Position the Depth Gauge as needed, then tighten 

the Lock Nut to secure the Depth Gauge in place.  

Selecting the Function

cAUTION!

  Move the Function Dial only when the 

Motor is stopped. Attempting to move the Function 
Dial while the Motor is engaged will result in abrupt Bit 
rotation and can cause property damage or injury.

NOTIcE:

  When moving the Function Dial, make 

sure the Dial clicks into the desired position. 
If not actively engaged, the Dial could slip 
out of position resulting in tool damage.
Adjust the Function Dial before using the Rotary 
Hammer. To adjust the Function Dial, press the 
Dial Release Button on the Function Dial, then 
rotate the dial until it clicks in place, with the 
arrow pointing at one of the three positions:

a. 

To Hammer:

  Rotate the Function 

Dial to the Hammer setting.  

b. 

To Drill:

  Rotate the Function 

dial to the Drill setting. 

c. 

To Hammer/Drill:

  Rotate the Function 

Dial to the Hammer/Drill setting. 

Function 

Dial

Release 

Button

Drill

Hammer/Drill

Hammer

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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