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CRAFTSMAN 320.27666 Operator's Manual

10.0 amp 1-3/4 peak hp plunge-base router.
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10.0 Amp 1-3/4 Peak HP
Model No. 320.27666
To reduce the risk of
injury, the user must read and
the Operator's
before using this product.
Sears Brands Management
IL 60179


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   Summary of Contents for CRAFTSMAN 320.27666

  • Page 1

    • DESCRIPTION WARNING: To reduce the risk of • OPERATION injury, the user must read and • MAINTENANCE understand the Operator's manual • TROUBLESHOOTING before using this product. • ESPANOL Sears Brands Management Corporation, Hoffman Estates, IL 60179 U.S.A.

  • Page 2

    View and Part List page 33-37 Sears Repair Parts Phone Number Back Cover CRAFTSMAN ONE YEAR LIMITED WARRANTY FOR ONE YEAR from the date of purchase, this product is warranted against any defects in material or workmanship. With proof of purchase, defective product will be replaced free of charge.

  • Page 3

    The purpose of safety symbols is to attract your attention to possible dangers. The safety symbols and the explanations with them deserve your careful attention and understanding. The symbol warnings do not, by themselves, eliminate any danger. The instructions and warnings they give are no substitutes for proper accident prevention...

  • Page 4

    WARNING: Read all safety warnings and instructions. Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury. SYMBOL NAME DESIGNATION/EXPLANATION Volts Voltage Amperes Current Hertz Frequency (cycles per second) Watt Power Minutes Time Alternating Current Type of current Direct...

  • Page 5

    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 personal injury. • Know your power tool. Read the operator's manual carefully. Learn the applications, as well as the specific potential...

  • Page 6

    • if operating a power tool in a damp location is unavoidable, use a ground fault circuit interrupter (GFCl) protected supply. Use of a GFCI reduces the risk of electric shock. PERSONAL SAFETY Stay alert, watch what you are doing and use common sense when operating...

  • Page 7

    Do not use the power tool if the switch does not turn it on and off. Any power tool that cannot be controlled with the switch is dangerous and must be repaired. Always check the tool for damaged parts before use.

  • Page 8

    If any part of this router is missing or should break, bend, or fail in any way; or should any electrical component fail to perform properly: shut off the power switch and remove the plug from the power source and have the missing, damaged, or failed parts replaced before resuming operation.

  • Page 9

    To use cutter bits with a larger diameter, install and use a sub-base with a larger diameter opening (sold separately at Sears stores or other Craftsman outlets). Do not use large router cutter bits for freehand routing. Use of large...

  • Page 10

    • if you are changing a bit immediately after use, be careful not to touch the collet/nut or cutter bit with your hands or fingers. The heat buildup from cutting could cause severe burns. Always use the wrench provided. • Avoid "climb cutting;"...

  • Page 11

    CARTON CONTENTS (Fig. 1) ®i i Plunge Base Router Vac adapter Chip shield (already installed on router) 2 screws (for attaching vac adapter) 1/4-inch Collet/Nut (already installed on router) 1/2-inch Collet/Nut Depth-Adjustment Wrench Collet/Nut Wrench 27666 ManuaLRevised_11-0114 Page 11...

  • Page 12

    KNOW YOUR PLUNGE ROUTER (Fig.2) NOTE: Before attempting to use your router, familiarize yourself with all of the operating features and safety requirements. Your plunge base router has a precision-built electric motor and it should only be connected to a 120-volt, 60-Hz AC only power supply (normal household current).

  • Page 13

    PRODUCT SPECIFICATIONS Rating 10.0 Amps No Load Speed 10000-25000 Peak HP 1-3/4 Input 120-volt, 60Hz AC Collets/Nuts and Cutter-bit Shank Diameters 1/4 in. and 1/2 in. Plunge Base Diameter 6-11/16 inches Sub-Base Opening (Diameter for cutter bit use) 1-1/4 inches Sub-Base Thickness 1/4 inch...

  • Page 14

    1-1/4 inches. To use cutter bits with larger diameters, use sub-bases with larger openings, sold separately at Sears stores or other Craftsman outlets. A_, WARNING: Always turn the motor off and unplug the router before making any adjustments or installing accessories.

  • Page 15

    iNSTALLiNG AND REMOVING THE CUTTER BiT (available separately) (Fig. 3, 4 and 4a) iNSTALLiNG THE CUTTER 1. Turn the motor off and unplug it from the power source. Remove the motor housing from the base. NOTE: See the instructions for installing and removing the motor housing from the plunge base on pages 17 and 18.

  • Page 16

    Set the motor upside down on its top cap, with the collet/nut pointing Press the spindle-lock button to engage and lock the spindle shaft and the collet/nut. (Fig. 3) Place the wrench on the collet/nut and turn it counterclockwise to loosen the collet/nut slightly;...

  • Page 17

    Turn the motor off and unplug the router Fig. 5 from the power source. Place the plunge base on a flat surface. With the back of the plunge base facing you, open the motor clamp (A) and make sure that the plunge action is in the "UP" position with the plunge lock lever (B) locked.

  • Page 18

    PLUNGING ACTION (Fig. 5a) Fig. 5a The plunge base feature simplifies depth adjustments and allows the cutter bit to be accurately lowered into the workpiece precise set-ups. To lower the cutter bit, release the plunge- lock lever by moving it "UP" to the unlocked position.

  • Page 19

    To set the cutting depth, slide the Depth-Stop Rod up until the red line on the clear plastic depth-indicator points to the desired cutting depth on the Depth Scale (E). Secure the Depth-Stop Rod at this position by tightening the Depth Rod Locking Knob.

  • Page 20

    To use the micro adjustment knob once the depth rod and turret have been set, check the final depth setting and micro adjust as follows: • To micro-increase the plunge depth, turn the knob counterclockwise to raise the micro adjustment screw, To micro-reduce the plunge depth, turn the knob clockwise...

  • Page 21

    "LIVE TOOL iNDiCATOR" LIGHT (Fig. 10} Fig. 10 Your router also has a "Live Tool Indicator" green light, located on the motor housing top cap where the power cord enters the motor housing. This green light is always on when the router motor is plugged into power source.

  • Page 22

    Remember, knowing the right depth for each cut comes with routing experience. EDGE ROUTING (Fig. 11) 1. With the depth-of-cut set, place the router on the edge of workpiece, making sure that the cutter does not contact the workpiece. Clamp an edge guide (board or metal straightedge) in place to help guide the router base.

  • Page 23

    When the cutter bit comes to a complete stop, unlock the plunge lock lever (Up) and the plunge action will automatically retract the cutter bit from workpiece. Unplug the router from the power source, place the router on the worktable, and inspect the finished cut in the workpiece.

  • Page 24

    NOTE: The size (diameter) of the pilot that is used determines the maximum width that can be cut with the pilot against the workpiece edge (the small pilot exposes all of the bit; the large one reduces this amount by 1/16 in.). Any of the piloted cutter bits can be used without a pilot for edge shaping with guides.

  • Page 25

    _1, WARNING: Kickback causes the power tool to jerk back toward the user, causing possible loss of control and serious injury. Always take precautions against kickback as described in this power tool operator's manual. DIRECTION OF FEED - INTERNAL CUTS (Figs. 15 and 15a} When making an internal cut, such as a groove, Fig.

  • Page 26

    Forcing the feed of the cutter bit forward too quickly slows the speed of the cutter bit, and the bit takes bigger bites as it rotates. Bigger bites mean bigger chips and a rough finish. This forcing action can also cause the router motor to overheat.

  • Page 27

    _1, WARNING: Always turn the motor off Fig. 18 and unplug the router from the power source before making any adjustments or installing accessories. Failure to turn the motor off and unplug router could result in accidental starting which can cause serious personal injury. DUST COLLECTION WITH VAC ADAPTER (Fig.

  • Page 28

    ELECTRONIC VARIABLE SPEED CONTROL (Fig. 20} The electronic speed control feature allows Fig. 20 the motor speed to be matched to the cutter size and material hardness for an improved finish and extended bit life. Speed changes are made starting at "1" by rotating the Speed Control Dial to the "LEFT"...

  • Page 29

    The speed charts above indicate the relationship between the speed setting and the cutting application. Exact settings are determined through operator experience and preference, and also by recommendations made by manufacturers of cutter bits. TO ADJUST DEPTH WITH DEPTH=ADJUSTMENT WRENCH (Figs. 21, 21a ) NOTE: The Depth-Adjustment Wrench Fig.

  • Page 30

    All other parts represent an important part of the double-insulation system and should be serviced only by a qualified Craftsman service technician. _1, WARNING: For your safety, Always turn off the switch and unplug the router motor from the power source before performing any maintenance or cleaning.

  • Page 31

    REPLACEMENT OF CARBON BRUSHES (Fig.22) Replacement brush sets are available through Fig. 22 Sears Parts and Repair Centers. Unplug the router motor before inspecting or replacing brushes. Replace both carbon brushes when either has less than 1/4 in. length of carbon remaining, or if the spring or wire is damaged...

  • Page 32

    PROBLEM CAUSE SOLUTION Plug is not plugged into Plug the cord into the power the power source, source. Switch is in "OFF" The router position. Pull the switch to "ON" position. does not work The carbon brushes Remove the brush caps, and have worn out replace the old brushes with new completely,...

  • Page 33

    WARNING: The use of attachments or accessories that are not recommended for this tool might be dangerous and could result in serious injury. Sears and other Craftsman outlets offer a large selection of Craftsman router accessories designed for specific routing applications.

  • Page 34

    1/8-in. 3/8-in. 1/4-in. straight straight i J straight straight j 5/16-in. 1/2-in. 3/4-in. straight straight straight dovetail 3/8qn. dove tail 1/2qn. dove tail 1/2qn. round nose round nose 1/2-in. 9O d v groove v groove 1/2 x 1-in. 3/8x1/2qn. flush trim flush trim flush trim 1/2-in.

  • Page 35

    1/2-in. -" bead and cove bead cove 1/16-in. cove & bead classic cove with bead 1/4-in. roman ogee Roman ogee 3/8-in. rabbeting rabbeting 1/4-in. veining veining 1/2-in. core box core box 1/2-in. mortising mortising 1/4-in. panel pilot panel pilot 1 3/8-in. 45 ° chamfer chamfer 27666 Manual_Revised_11-0114...

  • Page 36

    10 Amp Router Model No. 320.27666 The Model Number will be found on the Nameplate attached to the motor unit. Always mention the Model Number when ordering parts for this tool. 27666 ManuaLRevised_11-0114 Page 36...

  • Page 37

    10 Amp Router Model No. 320.27666 The Model Number will be found on the Nameplate attached to the motor unit. Always mention the Model Number when ordering parts for this tool. 27666 Manual_Revised_11-0114 Page 37...

  • Page 38

    5610220000 Screw 3321133000 Rear Cover 3121518000 Transparent 5610017000 Tapping Screw 4900277000 Speed Adjustor 5620017000 Screw 3120537000 Brush Cover 4960019000 Carbon Brush Assembly 2800005000 Brush Holder Assembly 5610106000 Tapping Screw 5610059000 Screw 2823115000 Switch Assembly 3122851000 Seal Ring 4810002000 Power Cord Assembly 4930008000 Sleeve 4930038000...

  • Page 39

    3421186000 Motor Housing 5700056000 Ball Bearing 5610076000 Tapping Screw 5630179000 3551635000 Spindle Lock 3660174000 Stop Spring 5620061000 Screw 3421190000 Spindle Lock Cover 5620069000 Screw 2823121000 Collet Assembly 5620032000 Screw 3123435000 Adjusting Knob 5650014000 Washer 3660313000 Spring 3550083000 Depth Adjusting Bolt 3550913000 Depth Stop Bar 3121634000...

  • Page 40

    5650007000 Spring Washer 5630015000 2823122000 Lever Assembly 3123581000 Bollows Seal 3660166000 Spring 5620103000 Screw 3700078000 Wave Washer 3420387000 Turntable 5700046000 Steel Ball 3660030000 Spring 5660005000 "E" Ring 3660498000 Spring 3705047000 Lever 3126054000 Handle Sleeve 5620466000 Screw 5620467000 Screw 5650407000 Wave Washer 5660139000 "E"...

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    Your Home For troubleshooting, product manuals and expert advice: managemylife For repair - in your home - of all major brand appliances, lawn and garden equipment, or heating and cooling systems, no matter who made it, no matter who sold it! For the replacement parts, accessories and owner's manuals that you need to do-it-yourself.

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