Operator's Manual 20" PLANER Model No. 351.21 7040 CAUTION: Read and follow all Safety Rules and Operating Instructions before First Use of this Product. Keep this manual with tool. Sears, Roebuck and Co., Hoffman www.sears.com/craftsman 22589.00 Draft (02/07/05) Estates, IL 60179 U.S.A.
• Warranty .................................... SafetyRules............................... Unpacking.................................. Assembly................................. Installation ................................. KnowYourPlaner............................. Operation................................ Maintenance ............................. Troubleshooting ............................. PartsIllustration andList ................... 2 2-3 3 3-4 4-5 6 6-11 11-14 15 18-23 Be alert and think clearly.
• Never stand on tool. Serious injury could occur if tool is tipped or if blade is unintentionally contacted. • Know your tool. Learn the tool's operation, application and specific limitations. • Use recommended accessories (refer to page 19). Use of improper accessories may cause risk of injury to persons. • Handle workpiece correctly. Protect hands from possible injury. • Turn machine off if it jams. Blade jams when it digs too deeply into workpiece. (Motor force keeps it stuck in the work.
MOUNT HEIGHT ADJUSTMENT HANDWHEEL HANDLE Refer to Figure 21, page 20. POWER • • Required parts: Handle Thread handle into handwheel. WARNING: Do not connect planer to the power source until all assembly steps have been completed. • Tighten hex nut (Key No. 16) to secure handle. The motor is designed for operation on the voltage and frequency specified. Normal loads will be handled safely on voltages not more than 10% above or below specified voltage.
MOTOR The planer is assembled with motor and wiring installed. The 230 Volt AC capacitor start motor has the following specifications: Install an approved plug onto the line cord. Connect to a matching outlet that has been properly installed and grounded in accordance with all local codes and ordinances. Horsepower ................................. • 3 Voltage ................................... 230 Amperes ................................. Hertz ..................................... 16.
13 14 / 12 / lO ! 4 \ 7 1 Switch Box 2 Column 8 Table Locking Knobs 9 Thickness Scale 3 Table Rollers 10 Feed Rate Shift Handle 4 Extension Table 5 Base 6 Stand 11 Gearbox 12 Handwheel 13 Dust Collection Port 7 Lifting Handle 14 Return Rollers SPECIFICATIONS DESCRIPTION Table Size ............................. 20 x 26" Table with Extensions .................... 20 x 56" Blade Width ............................... Refer to Figures 5-13, and 21.
Planing refers to the sizing of lumber to a desired thickness while creating a level surface parallel to the opposite size of the board. Depth of cut is the term used to indicate how deep the blades will cut into the workpiece. OPERATION SAFETY RULES WARNING: Operation of any power tool can result in foreign objects being thrown into eyes which can result in severe eye damage. Always wear safety goggles complying with United States ANSI Z87.1 (shown on package) before commencing power tool operation.
MM/INCH • - Millimeters/Inches Pressing this button toggles back and forth between standard and metric, and can be done at any time without affecting saved settings. HOLD - Maintains Data On The Display • Press this button to "freeze" a measurement on the display; it will remain even if the table is moved. Press HOLD again and it returns to normal measurements. SET - Preset • Press SET; the indicator will flash "SET". Press and hold the SET button and each digit flashes in turn.
ESTABLISH ABSOLUTE ZERO • Turn on the digital display. It turns on in absolute mode. • Plane one side of a scrap board at an appropriate and safe cutting depth (1/16"for example). • Raise the table by the same amount (1/16"),then turn the board over and plane the other side. Do not move the table from the current position. • Measure the planed board carefully with calipers. This measurement of the finished board is the equivalent of the distance from table to blade.
PREPARING • • THE WORK Remove nails and staples to avoid damaging the blades. • Avoid knots. Heavy crossgrain makes knots hard. Also knots can come loose and jam the blade. • • • Push slightly on board and allow automatic feed to take the board. Release board and allow automatic feed to function properly. Do not push or pull on workpiece. CAUTION: Do not stand directly in line with front or rear of planer. When an object is projected from planer it will travel in this direction.
• Gently lift and support the board when all of the board has left the infeed roller. FEED ROLLER ADJUSTMENT • When planing more than one board, butt the boards together to reduce snipe. Refer to Figures 13 and 21, page 20. POWER Infeed and outfeed rollers (Key Nos. 18 and 30) feed the workpiece under the cutterhead. FEED RATE ADJUSTMENT Spring-loaded feed rollers press against workpiece to prevent rollers from slipping. Refer to Figures 11 and 12.
REMOVING AND REPLACING BLADES LUBRICATION Refer to Figure 21, page 20. Refer to Figure 20, page 18. CAUTION: Planer blades are extremely sharp. Use leather gloves and exercise caution when replacing blades. The planer gearbox has been filled with lubricating oil at the factory. The gearbox oil should be changed each 2500 hours of operation. To change oil: WARNING: WARNING: Disconnect planer from power source. Disconnect planer from power source.
• Roller gauge blades are marked with three height settings - 0.15mm (0.005"), 0.30mm (0.010") and 0.45mm (0.015"). • Place a gauge block at each end of the roller with the height setting desired facing upward. • Turn the adjuster until roller just touches gauge block. ? k_-2 -€,4 1/2=_ Figure 16 - Adjustment OUTFEED WARNING: Disconnect planer from power source. • Adjust blade height properly (See "Adjusting Blade Height", page 9).
CHIPBREAKER ADJUSTMENT ADJUSTING Refer to Figures 16, 17, 18, 21 and 22, pages 13, 14, 20 and 22. Refer to Figures 16, 19 and 22, pages 13, 14 and 22. The table is positioned parallel to the cutterhead at the factory and should need no further adjustment. If the planer is cutting one side of the workpiece deeper than the other producing a tapered cut, then the table may need to be adjusted. Check to see that the blades are adjusted properly, see "Adjusting Blade Height" page 9.
SYMPTOM POSSIBLE Planer does not start 1 .Key is in the OFF position 1 .Turn key to ON position 2.No power to planer 2. Have a qualified electrician check power source &Motor overload protection tripped 3. Reset motor overload protection, see "Overload Protection", page 5 4. Have a qualified electrician check the switches and wiring CAUSE(S) 4.Defective or loose switch or wiring Frequent opening of fuses or circuit breakers CORRECTIVE ACTION 1. Motor overloaded 1. Reduce load on motor 2.
NOTES 16
NOTES 17
Model 351.217040 Figure 20 - Replacement Parts Illustration for Gearbox 46 45 \ 28 15 _/16 18 39 38 32 18 12 _o 8 \ 14 \ \ 8 \ \ \ 35 \ 19 6 3 f _40 21_ \ 15 27 33 \ \\ 30 29
KEY NO. KEY NO. PART NO. DESCRIPTION 1 26 STD835045 8-1.25 x 45mm Hex Head Bolt* 4 25 x 40 x 7mm Oil Seal 1 27 23509.00 Drain Plug 1 6204LL Ball Bearing* 2 28 STD833025 6-1.0 x 25mm Hex Head Belt* 5 23322.00 Helical Gear 1 29 23336.00 Clutch 1 23323.00 6-1.0 x 25mm Socket Head Bolt (LH) 1 3O 23337.00 Clutch Handle 1 6 00652.00 6ram Flat Washer (W) 3 31 STD840812 8-1.25ram Hex Nut* 1 7 05790.00 6-1.
Model 351.21 7040 Figure 21 - Replacement Parts Illustration for Rollercase 36 11 65 62 ,_ 61 81 59 6 38 34 \ 13 57 3 72 47 [ [ [. 58 38 39 44 23 / 74 \ 4O 27 17 ;8 75 42 41 20 18 15 \ 51 20 48 49 50
KEY NO. KEY NO. PART NO. DESCRIPTION 1 42 STD851008 8mm Fiat Washer* 2 8 43 23376.00 2 1 44 05110.00 Support 6-1.0 x 20mm Set Screw Jack Screw 8 45 23377.00 Bolt 2 Blade (Set of 4) Gib 1 46 23378.00 Spring Plate 1 23352.00 4 47 23379.00 7 23353.00 Gib Screw 24 48 23380.00 Chip Deflector Plate Anti-Kickback Pawl 8 23354.00 1 49 23381.00 PART NO. DESCRIPTION 1 N/A Rollercase with Label 2 00394.00 10-1.5 x 12mm Set Screw 3 23350.00 Cutterhead 4 02614.
Model 351.21 7040 Figure 22 - Replacement Parts Illustration for Base 7 11 13 60 61 52 54 33 62 52 64 63 \ 51 22
KEY NO. PART NO. DESCRIPTION KEY NO. PART NO. QTY. 1 N/A Table 1 2 33 34 STD841217 23303.00 2 23286.00 Table Roller 3 STD315215 6201LL Ball Bearing* 4 35 4 23287.00 5 02803.00 Eccentric Adjuster 6-1.0 x 12ram Set Screw 4 4 DESCRIPTION QTY. 12-1.75mm Hex Nut* 8 STD841015 Sprocket 10-1.5mm Hex Nut* 4 4 36 STD851008 8ram Flat Washer* 37 STD835025 8-1.25 x 25ram Hex Head Bolt* 2 23304.00 Chain Tension Bracket 1 6 23288.00 Quick Lock Nut 2 38 7 23289.
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