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Page 12

For technical questions, please call 1-800-444-3353.

SKU 3273 
        

Maintenance and 

SeRvicing

  Procedures not specifically 

explained in this manual 
must be performed only by a 

qualified technician.

 

tO pRevent 
SeRiOuS injuRy 

FROM accidental 
OpeRatiOn: 
disengage the trigger and 
unplug the tool from its 
electrical outlet before 
performing any inspection, 
maintenance, or cleaning 
procedures.

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 

lubrication

beFORe eacH uSe,

1. 

 inspect the 

general condition of the tool.  Check 
for loose hardware, misalignment 
or binding of moving parts, cracked 
or broken parts, damaged electrical 
wiring, and any other condition that 
may affect its safe operation.

aFteR uSe,

2. 

 wipe external surfaces 

of the tool with clean cloth.

3. 

waRning!  if the supply cord of 

this power tool is damaged, it must 

be replaced only by a qualified 

service technician.

carbon brush Service

If the Carbon Brushes are damaged 

or worn, they must be replaced 

by a qualified service technician.  

improper service may result in the 
double insulation system being 
compromised.

chuck (1) Replacement

disengage the trigger and unplug 

1. 

the tool from its electrical outlet.

Open the Chuck Jaws fully.

2. 

Remove the Chuck Screw (44) 

3. 

inside the Chuck Jaws by turning it 
counterclockwise.

Switch the Direction Switch to the 

4. 

reverse direction.  Plug the Power 
Cord into a suitable outlet.

Hold the Chuck Ring with a gloved 

5. 

hand and gently squeeze the trigger 
with your other hand.

The Chuck should come off in your 

6. 

gloved hand.

Install the new Chuck by reversing 

7. 

the above steps.

Summary of Contents for 3273

Page 1: ... reserved 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 For technical...

Page 2: ...Extension Cords 8 Symbology 8 Specifications 9 Unpacking 9 Instructions for putting into use 9 Assembly 9 Functions 9 Operating Instructions 9 Tool Set Up 9 Work Piece and Work Area Set Up 10 General Operating Instructions 10 Metal Drilling 11 Wood Drilling 11 After Use 11 Maintenance And Servicing 12 Cleaning Maintenance and Lubrication 12 Carbon Brush Service 12 Chuck 1 Replacement 12 Troublesho...

Page 3: ...result in death or serious injury CAUTION used with the safety alert symbol indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE is used to address practices not related to personal injury CAUTION without the safety alert symbol is used to address practices not related to personal injury General Power Tool Safety Warnings WARNING Read all safety warn...

Page 4: ...ower tool Do not use a power tool while you are tired or under the influence of drugs alcohol or medication A moment of inattention while operating power tools may result in serious personal injury Use personal protective b equipment Always wear eye protection Safety equipment such as dust mask non skid safety shoes hard hat or hearing protection used for appropriate conditions will reduce persona...

Page 5: ...ving parts breakage of parts and any other condition that may affect the power tool s operation If damaged have the power tool repaired before use Many accidents are caused by poorly maintained power tools Keep cutting tools sharp and f clean Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control Use the power tool accessories g and tool bits e...

Page 6: ... based paints Crystalline silica from bricks and cement or other masonry products Arsenic and chromium from chemically treated lumber Your risk from these exposures varies depending on how often you do this type of work To reduce your exposure to these chemicals work in a well ventilated area and work with approved safety equipment such as those dust masks that are specially designed to filter out...

Page 7: ...s explained in this manual If any abnormal vibration occurs stop use immediately Save these instructions Grounding To prevent electric shock and death from incorrect grounding wire connection Check with a qualified electrician if you are in doubt as to whether the outlet is properly grounded Do not modify the power cord plug provided with the tool Never remove the grounding prong from the plug Do ...

Page 8: ...ore than one tool add the nameplate amperes and use the sum to determine the required minimum cord size See Table A If you are using an extension cord 6 outdoors make sure it is marked with the suffix W A W in Canada to indicate it is acceptable for outdoor use Make sure the extension cord is 7 properly wired and in good electrical condition Always replace a damaged extension cord or have it repai...

Page 9: ...m its electrical outlet before assembling or making any adjustments to the tool Note For additional information regarding the parts listed in the following pages refer to the Assembly Diagram near the end of this manual Assembly Thread the auxiliary handle securely into the left or right side of the drill Functions Chuck Ring Chuck Key Hole Chuck Jaws Auxiliary Handle Trigger Key Holder Lock Butto...

Page 10: ...s the Direction Switch of the 2 Trigger to determine the rotation direction Press to the left side for clockwise rotation Press to the right side for counterclockwise rotation Squeeze the Trigger to start the tool 3 The Trigger has a variable speed feature Moving the Trigger slightly will make the tool operate slowly moving the trigger more will cause the tool to operate faster You can lock the Tr...

Page 11: ...Trigger in the ON position to maintain a constant speed and reduce fatigue When drilling large holes in metal 8 start by drilling a smaller pilot hole then using a larger bit for the final size hole Wood Drilling Use high speed bits or bits specially 1 designed for wood drilling such as brad point spade bits forstner bits etc Secure the work piece to keep it from 2 moving during the drilling opera...

Page 12: ...rical wiring and any other condition that may affect its safe operation After Use 2 wipe external surfaces of the tool with clean cloth 3 WARNING If the supply cord of this power tool is damaged it must be replaced only by a qualified service technician Carbon Brush Service If the Carbon Brushes are damaged or worn they must be replaced by a qualified service technician Improper service may result...

Page 13: ...r damaged 1 Carbon brushes worn or 2 damaged Keep cutting accessories sharp 1 Replace as needed Have qualified technician replace 2 brushes Excessive noise or rattling Internal damage or wear Carbon brushes or bearings for example Have technician service tool Drill bit slips in chuck Jaws are loose 1 Bit is jammed in work piece 2 Tighten chuck 1 Tighten chuck then operate tool in 2 reverse to back...

Page 14: ...EASE 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 In fact t...

Page 15: ...Page 15 For technical questions please call 1 800 444 3353 SKU 3273 ASSEMBLY DIAGRAM 44 ...

Page 16: ...ncidental 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 implied including the warranties of merchantability and fitness To take advantage of this warranty the product or part must be returned to us with transportation charges prepaid Proof of purchase date and an explanation of the complaint ...

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