Instruction/ maintenance manual of the product 351.21 4300 Craftsman
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Operator's Manual CRAFTSMAN ++ _ PROFESSI ONAL_ 1 8" Metal Cutting BAND SAW WITH WELDER Model No. 351.21 4300 CAUTION: Read and follow all Safety Rules and Operating Instructions before First Use of this Product. Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.
Warranty .................................... 2 Safety Rules ............................... 2-3 Unpacking .................................. 3 Assembly ................................... 3 Installation ................................. 3-5 Operation .
• Avoid accidental start-up. Make sure that the tool is in the "off" position before plugging in. • Do not force tool. It will work most efficiently at the rate for which it was designed. • Keep hands away from moving parts and cutting surfaces.
POWER SOURCE Band saw requires a 115 or 230 volt, 60 Hz power source. Band saw is shipped with motor and controls prewired for 115 volt operation. Line cord does not have plug. A 115 volt, 20/30A three-prong plug must be attached to the line cord. The motor is designed for operation on the voltage and frequency specified.
Rewire saw motor to 230 volts (See Figure 3). 115V 230V Figure 3 - Saw Motor Wiring Diagram • Remove pan head screws from welder cover (Figure 14, Key No.
SPECIFICATIONS Depth of throat ............................. 18" Maximum depth of cut ...................... 10s/4 '' Table size ........................... 23% x 21%" Table tilt ............................ -15 to +15 ° Wheel diameter .
TENSIONING BLADE Refer to Figure 15. • Tension blade by rotating handwheel (Key No. 38). Be sure blade guides do not interfere with blade path. • Tighten blade until it is properly tensioned. • A properly tensioned blade will ring slightly when back of blade is plucked (like a string on an instrument).
MATERIAL High carbon steel Free cutting steel Ferro-manganese Ferro-nickel Ferro-nickel-chrome Ferro-molybdenum Ferro-chrome (med.) Ferro-chrome (high) Manganese steel Ferro-tungsten Ferro-chrome-vana.
ADJUSTING TABLE ANGLE Refer to Figure 16. Angle cuts can be made by tilting table left to right. Loosen socket head bolts (Key No. 12) to tilt table up to 15 ° right or left. Use angle scale to set table angle (Key No. 18). TYPE OF CUT • Band saw can be used to perform a variety of cuts.
Incorrect - Blades Clamped At Angle Incorrect - Blades Not Ground Square Incorrect - Blades Overlap Correct - Grind Blades Square and Clamp Straight Correct - Clamp Blades Flat with no Overlap Figure 10 - Blade Mounting and Clamping TOOTH SPACING Refer to Figure 11.
Heat build-up in the tool can cause serious damage to the tool. Allow transformer to cool down to room temperature between each welding or each anneal- ing operation. It is a safe procedure to let the trans- former be idle for at least 3 minutes between successive welding/annealing operations.
SYMPTOM Excessive blade breakage Premature blade dulling Crooked cuts POSSIBLE CAUSE(S) 1. Material not secure on table 2. Incorrect speed or feed 3. Blade too coarse for material 4. Incorrect blade tension 5. Teeth in contact with work before sawing 6.
SYMPTOM Motor running too hot Saw will not start POSSIBLE CAUSE(S) 1. Blade tension too great 2. Blade too coarse for work (typical when cutting pipe) 3. Blade too fine for work (typical when cutting slick or soft material) 4. Excessive dirt and chips 1, 2.
Model 351.21 4300 Figure 13 - Replacement Parts Illustration for Switch, Shear and Deflector 39 29 28 26 38 8_ 4 13 20 14 46 ? 37 29 1 26 2i 30 31 "30 14.
KEY NO. PART NO. 1 20258.00 2 18637.00 3 17737.00 4 17738.00 5 STD863408 6 15561.00 7 STD863508 8 17739.00 9 16934.00 10 16935.00 11 17740.00 12 04493.00 13 18638.00 14 16760.00 15 16761.00 16 17400.00 17 17401.00 18 18006.00 19 17501.00 20 STD840409 21 05156.
Model 351.21 4300 Figure 14 - Replacement Parts Illustration for Welder 30 71 11 39 14 _25 44 52 54 6 47 49 26 , 63 _,_---- 53.
KEY NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 2O 21 22 23 24 25 26 27 28 29 30 31 32 33 PART NO. 18640.00 20229.00 20230.00 STD851006 STD840610 20231.00 18641.00 05991.00 09845.00 09442.00 20232.00 01833.00 05790.00 STD852005 STD511002 05297.
Model 351.21 4300 Figure 15 - Replacement Parts Illustration for Wheels and Speed Handle 9 8 5 2 3 4 ] 26 70, 36 J 61 62 29 30 "_33 o_ 64 45 44 22 t t 51 54 55 18.
KEY NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 2O 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 PART NO. 01900.00 18660.00 STD315555 04790.00 18662.00 16949.00 16954.00 16955.00 STD852010 16943.00 16957.00 16948.00 16942.00 00088.00 16956.00 18663.
Model 351.214300 Figure 16 - Replacement Parts Illustration for Table r,o o 38 37 23 _ 24 44:25 32 20 30 *'/28 20 21 46 10 5 26 6 11 9 4( 28 55 43 49 16 17 1 42 18.
KEY NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 2O 21 22 23 24 25 26 27 28 PART NO. 17697.00 17698.00 17699.00 17700.00 01002.00 STD851010 STD852010 STD841015 STD836030 STD836045 17729.00 20028.00 STD851012 STD833012 17730.00 17731.00 01286.00 17732.
Model 351.21 4300 Figure 17 - Replacement Parts Illustration for Motor and Blade Drive 34 57 9 10 11 44 43 33 32 22.
KEY NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 2O 21 22 23 24 25 26 27 28 29 30 31 32 PART NO. 17716.00 16966.00 09849.00 15128.00 20069.00 20256.00 STD835020 20255.00 16968.00 17733.00 00256.00 16969.00 STD843015 16970.00 18667.00 STD836020 STD836045 STD852010 STD851010 STD835035 STD863508 00958.
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If you have not bought Craftsman 351.21 4300 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Craftsman 351.21 4300 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Craftsman 351.21 4300 you will learn all the available features of the product, as well as information on its operation. The information that you get Craftsman 351.21 4300 will certainly help you make a decision on the purchase.
If you already are a holder of Craftsman 351.21 4300, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Craftsman 351.21 4300.
However, one of the most important roles played by the user manual is to help in solving problems with Craftsman 351.21 4300. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Craftsman 351.21 4300 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
