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SKU 66660 

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

Page 4

do the job better and safer at the rate 

for which it was designed.

Use clamps or other practical ways 

b. 

to secure and support the work 

piece on a stable platform. 

Holding 

the work piece by hand or against 

your body is unstable and may lead 

to loss of control or injury.

do not use the power tool if the 

c. 

switch does not turn it on and off.  

Any power tool that cannot be con-

trolled with the switch is dangerous 

and must be repaired.

disconnect the plug from the 

d. 

power source before making any 

adjustments, changing accesso-

ries, or storing power tools.  

Such 

preventive safety measures reduce 

the risk of starting the power tool ac-

cidentally.

Store idle power tools out of the 

e. 

reach of children and do not allow 

persons unfamiliar with the power 

tool or these instructions to oper-

ate the power tool.  

Power tools are 

dangerous in the hands of untrained 

users.

maintain power tools.  Check for 

f. 

misalignment or binding of moving 

parts, breakage of parts and any 

other condition that may affect the 

power tool’s operation.  If dam-

aged, have the power tool repaired 

before use.

  Many accidents are 

caused by poorly maintained power 

tools.

Keep cutting tools sharp and 

g. 

clean.  

Properly maintained cutting 

tools with sharp cutting edges are 

less likely to bind and are easier to 

control.

Use only saw blades and acces-

h. 

sories that have been approved 

for use with this tool. 

Accessories 

that may be suitable for one tool may 

be hazardous when used on another 

tool.

Use the power tool, accessories 

i. 

and saw blades etc. in accordance 

with these instructions, taking into 

account the working conditions 

and the work to be performed.

  Use 

of the power tool for operations differ-

ent from those intended could result 

in a hazardous situation.

Service

6. 

Have your 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.

Worm Gear Circular Saw  

Safety Warnings

this saw is intended to function as 

1. 

a Circular Saw only. read all safety 

warnings, instructions, illustra-

tions and specifications provided 

with this saw. 

Failure to follow all 

instructions listed below may result 

in electric shock, fire and/or serious 

injury.

Keep hands away from the cutting 

2. 

area and blade.

 Keep your second 

hand on auxiliary handle or motor 

housing. Do not reach underneath 

the work piece. The saw blade is ex-

posed on the underside of the work. 

Do not attempt to move work pieces 

while the blade is turning. CAUTION: 

The blade takes time to stop spinning 

after you release the Trigger. Wait for 

the blade to stop turning before mov-

ing the saw or removing the cut off 

material.

Summary of Contents for 66660

Page 1: ...l Copyright 2009 by Harbor Freight Tools All rights 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 Har...

Page 2: ...he 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...

Page 3: ...lt in serious personal injury Use personal protective equip b ment Always wear eye protection Safety equipment such as dust mask non skid safety shoes hard hat or hearing protection used for appropri...

Page 4: ...tained cutting tools with sharp cutting edges are less likely to bind and are easier to control Use only saw blades and acces h sories that have been approved for use with this tool Accessories that m...

Page 5: ...of your blade must be within the capacity rating of your saw Incorrectly sized accessories cannot be adequately guarded or controlled The arbor size of the blade must 10 properly fit the spindle of t...

Page 6: ...tool When using a handheld saw 21 maintain a firm grip on the tool with both hands to resist starting torque When cutting rest the larger por 22 tion of the Base Plate 103 on the supported portion of...

Page 7: ...which cannot be built into this product but must be supplied by the operator Preventing Kick Back Kick back is an extremely dangerous action which can cause serious injury Kick back occurs when the Bl...

Page 8: ...be cleaned with a blade cleaner to re move glue or pitch Damaged blades should be discarded Kick back can be caused by using 11 the wrong blade type for the work material Always read the recom mendati...

Page 9: ...rst 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...

Page 10: ...ding provides a low resistance path to carry 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 g...

Page 11: ...ou are using one extension cord 5 for more 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...

Page 12: ...bheadings therein before set up or use of this product To prevent serious injury from accidental operation Turn the Power Switch of the tool to its OFF position and unplug the tool from its electrical...

Page 13: ...gger 79 Handle 77 81 Carbon Brush Cover 72 Cam Lever 88a Lower Blade Guard 37 Rotation Direction Marking Arbor Bolt and Wash ers 44 46 Base Plate 103 Depth Gauge Scissor Hinge 105 Lower Blade Guard Le...

Page 14: ...n 7 ally require maintenance and can be accessed through the Carbon Brush Covers 72 Operating Instructions Read the entire Important Safety Information section at the beginning of this manual includin...

Page 15: ...g Secure loose work pieces using a 3 vise or clamps not included to pre vent movement while working There must not be hazardous ob 4 jects such as utility lines or foreign objects nearby that will pre...

Page 16: ...tting 13 Guide 108 109 Slide the Cutting Guide 108 through 14 the Base Plate 103 and secure in position using the Thumb Screw 93 Align the Cutting Guide Fence 109 15 with the edge of the work piece an...

Page 17: ...ion of the Lower Blade Guard and adjust or repair if needed After Use 4 clean external surfaces of the tool with clean cloth Carbon Brush Maintenance 5 The carbon brushes may require maintenance when...

Page 18: ...Check condition of Carbon Brushes replace 1 if necessary Check condition of cord and repair if 2 necessary Saw Blade will not turn Spindle Lock 14 may be 1 engaged Press it to release If it won t rele...

Page 19: ...Ferrule 1 35 Fixed Blade Guard Bolt m8 x 40 1 36 Lower Blade Guard Spring 1 37 Lower Blade Guard 1 38 Lower Blade Guard Lever 1 39 Rivets m4 4 Parts List Part Description Qty 40 Lower Blade Guard Bea...

Page 20: ...Axle 1 103 Base Plate 1 104 Flat Head Screws m5 x 9 4 105 Depth Guide Scissor Hinge 1 106 Depth Guide Hinge Bracket 1 107 Depth Hinge Guide Pin 1 108 Cutting Guide 1 109 Cutting Guide Fence 1 110 Carb...

Page 21: ...SKU 66660 For technical questions please call 1 800 444 3353 Page 21 ASSEMBLY DIAGRAM...

Page 22: ...ontingent special or consequential damages arising from the use of our product Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation of ex...

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