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

SKU 3670 

        

ranges and refrigerators. 

 

There is an 

increased risk of electric shock if your 

body is grounded.

Do not expose power tools to rain 

c. 

or wet conditions.

  Water entering 

a power tool will increase the risk of 

electric shock.

Do not abuse the cord.  never use 

d. 

the cord for carrying, pulling or 

unplugging the power tool.  Keep 

cord away from heat, oil, sharp 

edges or moving parts.  

Damaged 

or entangled cords increase the risk of 

electric shock.

When operating a power tool 

e. 

outdoors, use an extension cord 

suitable for outdoor use.

  Use of a 

cord suitable for outdoor use reduces 

the risk of electric shock.

If operating a power tool in a damp 

f. 

location is unavoidable, use a 

ground Fault circuit Interrupter 

(gFcI) protected supply.

 Use of a 

GFCI reduces the risk of electric shock.

Personal safety

3. 

Stay alert, watch what you are 

a. 

doing and use common sense when 

operating a power 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 equipment.  

b. 

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 personal injuries.

Prevent unintentional starting. 

c. 

Ensure the switch is in the off-

position before connecting to power 

source and/or battery pack, picking 

up or carrying the tool.

  Carrying 

power tools with your finger on the 

switch or energizing power tools that 

have the switch on invites accidents.

Remove any adjusting key or wrench 

d. 

before turning the power tool on.

  

A wrench or a key left attached to a

 

rotating part of the power tool may result 

in personal injury.

Do not overreach.  Keep proper 

e. 

footing and balance at all times.

  This 

enables better control of the power tool 

in unexpected situations.

Dress properly.  Do not wear loose 

f. 

clothing or jewelry.  Keep your hair, 

clothing and gloves away from 

moving parts.

  Loose clothes, jewelry 

or long hair can be caught in moving 

parts.

If devices are provided for the 

g. 

connection of dust extraction and 

collection facilities, ensure these are 

connected and properly used.

  

Use of 

these devices can reduce dust-related 

hazards.

Only use safety equipment that has 

h. 

been approved by an appropriate 

standards agency.

  Unapproved 

safety equipment may not provide 

adequate protection.  Eye protection 

must be ANSI-approved and breathing 

protection must be NIOSH-approved for 

the specific hazards in the work area.

Power tool use and care

4. 

Do not force the power tool.  use 

a. 

the correct power tool for your 

application.

  The correct power tool will 

do the job better and safer at the rate 

for which it was designed.

Do not use the power tool if the 

b. 

switch does not turn it on and off.

  

Any power tool that cannot be controlled 

Summary of Contents for 3670

Page 1: ...ights 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 tech...

Page 2: ...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 warnings and instructions Failure to follow the warnings and instructions may result in electric shock fire and or serious injury Save all warnings a...

Page 3: ... Prevent unintentional starting c Ensure the switch is in the off position before connecting to power source and or battery pack picking up or carrying the tool Carrying power tools with your finger on the switch or energizing power tools that have the switch on invites accidents Remove any adjusting key or wrench d before turning the power tool on A wrench or a key left attached to a rotating par...

Page 4: ...ur power tool serviced by a a qualified repair person using only identical replacement parts This will ensure that the safety of the power tool is maintained Drill Safety Warnings Hold Drill by insulated gripping 1 surfaces when performing an operation where the Drill may contact hidden wiring or its own cord Contact with a live wire will make exposed metal parts of the Drill live and shock the op...

Page 5: ...s 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 vibr...

Page 6: ...rry electricity away from the user reducing the risk of electric shock See 3 Prong Plug and Outlet The grounding prong in the plug is 2 connected through the green wire inside the cord to the grounding system in the tool The green wire in the cord must be the only wire connected to the tool s grounding system and must never be attached to an electrically live terminal See 3 Prong Plug and Outlet T...

Page 7: ...plate 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 properly 7 wired and in good electrical condition Always replace a damaged extension cord or have it repaired by a qualified electrician...

Page 8: ...ny 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 Functions Figure 1 Forward Reverse Switch 30 Speed Limiter Dial 31 Trigger 32 Lock Button 29 1 The Trigger can be locked in the ON position for extended operation See Figure 1 The Keyless Chuck allows the operator 2 to install and re...

Page 9: ... Chuck rotation Slide to the left side for forward Chuck rotation See Figure 1 CAUTION Allow Chuck to come to complete stop prior to changing its direction of rotation Squeeze the Trigger 32 to start the 3 tool The Trigger has a variable speed feature Pressing it lightly will make the tool operate slowly pressing more will cause the tool to operate faster Note The Speed Limiter Dial can be adjuste...

Page 10: ...a larger bit for the final size hole Wood Drilling Use high carbon 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 operation Start by drilling slowly to keep the bit 3 from moving away from your starting point Increase speed as the hole is established To prevent or reduce break ou...

Page 11: ...g tool to work too fast 1 Accessory misaligned 2 Accessory dull or damaged 3 Blocked motor housing vents 4 Motor being strained by long or 5 small diameter extension cord Allow tool to work at its own rate 1 Check and correct accessory to fence and or 2 table alignment Keep cutting accessories sharp Replace as 3 needed Wear ANSI approved safety goggles and NIOSH 4 approved dust mask respirator whi...

Page 12: ...ovided 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 the manufacturer and or distributor expressly states that all repairs and par...

Page 13: ...Page 13 For technical questions please call 1 800 444 3353 SKU 3670 ASSEMBLY DIAGRAM 2 3 4 5 6 7 8 9 11 10 12 13 14 15 16 17 22 23 25 24 19 18 21 20 27 26 28 29 30 31 32 ...

Page 14: ...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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