Chicago Electric 90891 Set Up And Operating Instructions Manual
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Chicago Electric 90891 Set Up And Operating Instructions Manual

10” compound slide miter saw
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10" COMPOUND SLIDE MITER SAW
SET UP AND OPERATINg INSTRUCTIONS
Diagrams within this manual may not be drawn proportionally.
Due to continuing improvements, actual product may differ slightly from the product described herein.
Distributed exclusively by Harbor Freight Tools
Visit our website at: http://www.harborfreight.com
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
Copyright
2003 by Harbor Freight Tools
©
manual or any artwork contained herein may be reproduced in any shape or form
without the express written consent of Harbor Freight Tools.
For technical questions or replacement parts, please call 1-800-444-3353.
Model
3491 Mission Oaks Blvd., Camarillo, CA 93011
Cover revised 07h
90891
. All rights reserved. No portion of this
®
.
®

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Jeff Conkright
July 17, 2025

I have a Chicago 10” miter saw item # 90891. I need a switch for this saw marked 24 on parts list but doesn’t show a part # how do I find the parts?

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robert williams
April 19, 2025

need saw guide

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Steven G Dupree
February 3, 2025

My trigger on handle is out and it will not work my saw 2005 saw

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Summary of Contents for Chicago Electric 90891

  • Page 1 10” COMPOUND SLIDE MITER SAW Model 90891 SET UP AND OPERATINg INSTRUCTIONS Diagrams within this manual may not be drawn proportionally. Due to continuing improvements, actual product may differ slightly from the product described herein. Distributed exclusively by Harbor Freight Tools ®...

  • Page 2: Specifications

    (corded) power tool or battery-operated (cordless) power tool. SAVE THESE INSTRUCTIONS WORK AREA Keep your work area clean and well lit. Cluttered benches and dark areas invite accidents. REV 05i, 07h SKU 90891 For technical questions, please call 1-800-444-3353. Page 2...

  • Page 3: Electrical Safety

    Do not use a power tool while tired or under the influ- ence of drugs, alcohol, or medication. A moment of inattention while operating power tools may result in serious personal injury. SKU 90891 For technical questions, please call 1-800-444-3353. Page 3...
  • Page 4 Check for misalignment or binding of moving parts, breakage of parts, and any other condition that may affect the tool’s operation. If damaged, have the tool serviced before using. Many accidents are caused by poorly main- tained tools. SKU 90891 For technical questions, please call 1-800-444-3353. Page 4...

  • Page 5: Specific Safety Rules

    Make sure the Power Switch is in the “OFF” position before plugging in the Power Cord. Do not use this Miter Saw for cutting metals or brittle materials. Do not cut dangerous materials, such as asbestos which can cause harmful dust or vapors. SKU 90891 For technical questions, please call 1-800-444-3353. Page 5...
  • Page 6 Use the right tool or attachment for the right job. Do not attempt to force a small tool or attachment to do the work of a larger industrial tool or attachment. There are certain applications for which this product was designed. It will do the SKU 90891 For technical questions, please call 1-800-444-3353. Page 6...
  • Page 7 If damaged, have it repaired by a service facility before use. If the plug will not fit the outlet, have a proper outlet installed by a qualified electrician. SKU 90891 For technical questions, please call 1-800-444-3353. Page ...

  • Page 8: Extension Cords

    As the distance from the supply outlet increases, you must use a heavier gauge extension cord. Using extension cords with inadequately sized wire causes a serious drop in voltage, resulting in loss of power and possible tool damage. (See Table A.) SKU 90891 For technical questions, please call 1-800-444-3353. Page 8...
  • Page 9 * Based on limiting the line voltage drop to five volts at 150% of the rated amperes. Symbology Double Insulated Volts Alternating Current Canadian Standards Association Amperes No Load Revolutions per Minute n 0 xxxx/min. Underwriters Laboratories, Inc. (RPM) SKU 90891 For technical questions, please call 1-800-444-3353. Page 9...
  • Page 10 Saw Blade (51). When the Dust Collection Bag is half full, remove it from the Miter Saw, empty, and reattach it to the Miter Saw. (See Figure D.) SKU 90891 For technical questions, please call 1-800-444-3353. Page 10...
  • Page 11 Drill the holes and secure the Mi- ter Saw to the table/workbench, using two 1/4” bolts, lock washers, and nuts (not included). (See Figure F, next page.) SKU 90891 For technical questions, please call 1-800-444-3353. Page 11...
  • Page 12 SAFETY COVER (58) SAW BLADE (51) FIgURE g Lift up and hold the transparent Safety Cover (58) in place. (See Figure g.) SKU 90891 For technical questions, please call 1-800-444-3353. Page 12...
  • Page 13 Use the accessory Hex Socket Wrench (150) to remove the Hex Flange Head Bolt (61). NOTE: To remove the Hex Flange Head Bolt (61), turn the Bolt CLOCKWISE. (See Figure J, next page.) Remove the Flange (52). (See Figure J, next page.) SKU 90891 For technical questions, please call 1-800-444-3353. Page 13...
  • Page 14 (35), making sure the arrow direction on the Saw Blade matches the arrow on the Blade Case (43). The teeth of the Saw Blade should point toward the rear of the Miter Saw. (See Figure K.) SKU 90891 For technical questions, please call 1-800-444-3353. Page 14...
  • Page 15 Safety Cover with a soft, damp, cloth. A mild detergent may be used, but do not use solvents which may damage the Safety Cover. (See Figure I.) SKU 90891 For technical questions, please call 1-800-444-3353. Page 15...
  • Page 16 WARNING! Prior to performing this procedure, make sure the Power Cord of the Miter Saw is unplugged from its electrical outlet. The cutting depth can be adjusted to assure that the workpiece is cut completely through. SKU 90891 For technical questions, please call 1-800-444-3353. Page 16...
  • Page 17 If the Saw Blade (51) touches the Turn Base (125) or any other part of the Saw Base, turn the Hex Head Bolt (1) CLOCKWISE to raise the Saw Blade slightly until it clears. (See Figure M.) SKU 90891 For technical questions, please call 1-800-444-3353. Page 1...
  • Page 18 Move the Turn Base (125) to the right or left until the desired miter angle of cut is indicated by the Scale Plate (141). Then, retighten the Fasten Knob (104) to lock the Miter Saw in place. (See Figure N.) SKU 90891 For technical questions, please call 1-800-444-3353. Page 18...
  • Page 19 The Support Screw (138) can be adjusted by turning it clockwise to lengthen it or by turning it counterclockwise to shorten it. It should be adjusted so that it rests just above the surface of the table or bench the saw is mounted on. SKU 90891 For technical questions, please call 1-800-444-3353. Page 19...
  • Page 20 Wait until the Saw Blade (51) comes to a complete stop. Then, raise the Motor Housing (26) to its full “UP” position. Loosen the Clamp Assembly (95 to 102), and remove the workpiece and scrap material. Unplug the Power Cord from its electrical outlet. SKU 90891 For technical questions, please call 1-800-444-3353. Page 20...
  • Page 21 ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO. SKU 90891 For technical questions, please call 1-800-444-3353. Page 21...

  • Page 22: Parts List

    * Includes: #57 Spindle Sleeve and #58 Safety Cover. (Note: Customer must save old brass sleeve from old Safety Cover and use it when installing new #56 Torsion Spring Assembly). REV 05b SKU 90891 For technical questions, please call 1-800-444-3353. Page 22...
  • Page 23 PARTS LIST - CONTINUED REV 04d SKU 90891 For technical questions, please call 1-800-444-3353. Page 23...

  • Page 24: Assembly Diagram

    ASSEMBLY DIAgRAM 13 14 Note: Some parts are listed and shown for illustration purposes only, and are not avail- able individually as replacement parts. SKU 90891 For technical questions, please call 1-800-444-3353. Page 24...
  • Page 25 ASSEMBLY DIAgRAM - CONTINUED 96 97 Note: Some parts are listed and shown for illustration purposes only, and are not avail- able individually as replacement parts. REV 04d SKU 90891 For technical questions, please call 1-800-444-3353. Page 25...

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