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SKU 90186   

 

 

 

PAGE 14

INSPECTION, MAINTENANCE, AND CLEANING

1. 

                  

 Make sure the Power Switch (part #67) of the Circular Saw is in its 

“OFF”

 position and that the tool is unplugged from its electrical outlet before per-

forming any inspection, maintenance, or cleaning procedures.

2. 

BEFORE EACH USE,

 inspect the general condition of the Circular Saw.  Check 

for loose screws, misalignment or binding of moving parts, damaged electrical 
wiring, dull or damaged Saw Blade (part #3), and any other condition that may 
affect its safe operation.  If abnormal noise or vibration occurs, have the problem 
corrected before further use.

 

Do not use damaged equipment.

4. 

Make sure the workpiece is supported at all times.  Whenever possible, secure    

 

the workpiece in a vise or with clamps (not included).  If necessary, use a roller    

 

stand (not included) with larger workpieces.

5. 

Plug the Power Cord (part #65) into the nearest 110 volt, grounded, electrical  

 

 

outlet.

6. 

Firmly grip the Handle (parts #60, #68) with one hand and the Auxiliary Handle    

 

(part #46) with the other hand.  Then, squeeze the Safety Switch and Power  

 

 

Switch (part #67) to turn on the Circular Saw.  If desired, use the Switch Lock to    

 

run the Saw in its continuous mode.  

(See Figure I.)

7. 

Allow the Saw Blade (part #3) to spin up to full speed before feeding the Saw  

 

 

Blade into the workpiece.  

(See Figure I.)

8. 

Make straight cuts only.  Do not attempt to twist the Circular Saw to the right or    

 

left while cutting.  If this occurs, the Saw Blade (part #3) will “bind” in the    

 

 

workpiece causing kickback, potential injury, and/or damage to the workpiece  

 

 

and Circular Saw.

9. 

Do not force the Circular Saw to remove material faster than it is designed to cut.   

 

Feed the Saw Blade (part #3) 

gradually

 into the workpiece.

10. 

Turn off the Circular Saw if the Saw Blade (part #3) is to be backed out of an  

 

 

uncompleted cut.  When turning off the Circular Saw, allow the Saw Blade to fully   

 

stop on its own before removing the Circular Saw.  Do not press against the Saw   

 

Blade to stop it.

11. 

Once the cutting job is completed, turn off the Circular Saw and wait until the  

 

 

Saw Blade (part #3) stops spinning.  Then, unplug the Power Cord (part #65)  

 

 

from its electrical outlet.  

WARnInG

Summary of Contents for 90186

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...

Page 2: ...s injury SAVE THESE INSTRUCTIONS WORK AREA 1 Keep your work area clean and well lit Cluttered benches and dark areas invite accidents 2 Do not operate power tools in explosive atmospheres such as in t...

Page 3: ...rized outlet Do not change the plug in any way Double insulation eliminates the need for the three wire grounded power cord and grounded power supply system 6 Avoid body contact with grounded surfaces...

Page 4: ...ARE 16 Use clamps not included or other practical ways to secure and support the workpiece to a stable platform Holding the work by hand or against your body is unstable and may lead to loss of contro...

Page 5: ...of electric shock or injury SPECIFIC SAFETY RULES 1 Maintain a safe working environment Keep the work area well lit Make sure there is adequate surrounding workspace Always keep the work area free of...

Page 6: ...aw before starting 11 Do not pull or carry the Circular Saw by its Power Cord part 65 or pull the Cord around sharp corners or edges Do not unplug the Circular Saw by pulling on the Cord Keep the Cord...

Page 7: ...re cord and three prong grounding plug The plug must be connected to a properly grounded outlet If the tool should electrically malfunction or break down grounding provides a low resistance path to ca...

Page 8: ...n accordance with all codes and ordinances The plug and outlet should look like that in the following illustration See Figure A DOUBLE INSULATED TOOLS TOOLS WITH TWO PRONG PLUGS 4 Tools marked Double...

Page 9: ...ge cord See Figure C 4 When using more than one extension cord to make up the total length make sure each cord contains at least the minimum wire size required See Figure C 5 If you are using one exte...

Page 10: ...n page 19 Always make sure the Power Cord part 65 of the Circular Saw is unplugged from its electrical outlet prior to assembly adding any accessories or making any adjustments to the tool To Remove I...

Page 11: ...e by tightening counterclockwise the Bolt part 1 into the Shaft See Figure C LOCK BUTTON BOLT 1 OUTER BLADE PRESS 2 BRUSH HOLDER COVER 72 CARBON BRUSH 71 7 1 4 DIA SAW BLADE 3 INSTALL NEW SAW BLADE 3...

Page 12: ...part 80 located at the rear of the Saw Hold the Foot part 83 down with one hand and raise or lower the Saw by the Handle parts 60 68 Then retighten the Lock Spanner at the desired depth setting See F...

Page 13: ...utlet resulting in possible injury or property damage See Figure I POWER SWITCH 67 SAFETY SWITCH LOCK FIGURE I Proper Operation During The Sawing Process 1 When sawing a workpiece always push the Circ...

Page 14: ...d the Auxiliary Handle part 46 with the other hand Then squeeze the Safety Switch and Power Switch part 67 to turn on the Circular Saw If desired use the Switch Lock to run the Saw in its continuous m...

Page 15: ...aw s Motor it is recommended that every two to six months the Carbon Brushes part 71 be examined The Carbon Brushes should be free of dust and dirt The Carbon Brushes should be replaced when they have...

Page 16: ...Y STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS AND NOT BY THE BUYER THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPA...

Page 17: ...aring 60201 1 35 Worm shaft 1 36 Lockpin 1 37 Special nut M18x1 1 38 Check ring 1 39 Spring 1 40 Washer 1 Part Description Qty 41 O ring 7 5 1 5 1 42 Special nut M16x1 5 1 43 O ring 12 5x 2 5 1 44 Scr...

Page 18: ...use of our product Some states do not allow 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...

Page 19: ...SKU 90186 PAGE 19 DIAGRAM...

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