12” BANDSAW OPERATING INSTRUCTIONS
Contents
1. as you have it on the bench Continue until all four legs and rails are joined Add the lower rails and feet Carefully align the parts until the stand is square and ensure that the 4 large holes in the top corners are lined up as you will need to put bolts through these to fix the saw to the base Fitting the Saw to the Stand If you have someone to help you the easiest way to join the saw and the stand is to lift the saw and lower it into place secure it with the four countersunk setscrews washers and nuts provided Fixing bolts Alternately If you have nobody to help lower the saw onto its back and bolt the stand to it After tightening the fixing bolts lift the top of the saw and pivot it on the rear feet until it is upright and all four feet are on the ground ocrew the longest of the 6 mm hex headed bolts into its hole as shown Place the table in position on the trunnion and fix it with the four remaining 6 mm bolts Check to see if the blade is centred in the slot You will probably find that it is offset to one side or the other This pointer is adjustable if the setscrew is loosened You may need to make a small adjustment after the table is set perpendicular to the blade If the table needs to be moved laterally to centre the slot on the blade loosen these three screws move the table to the correct position and retighten the bolts Screw the four hex wing bolts and washers into2. d oe E MON n er m qur a4 d wy auri Nw E a X i Ps ia ee T pi Lu hos VU YT s E gt EN nn a ruf uon uL u ad p L 9 t i 5 a 5 fi E E E 0 rs 0 e L a 2 Fi os s d z e d gt dl io 2G a E 208 p N p E P Ga nt W721 Parts List 002 001 Lower door Cap head bolt E O N 011 Upper bearing bolt Lock nut 005 na 4 006 Pilot guide Rivet 009 Pilotpin 2 Upper door 013 Upper bearing bolt support Nut Guide plate 018 Split washer Cap head screw CO N 031 Self tapping screw Tension bracket frame Self tapping screw Rack 025 026 Plastic guide 027 wa J Pinion Bottom cap Selftappingscrew 2 Bearing housing Guide bearing 037 038 Thrust bearing Upper wheel Coach bolt spacer Circlip 047 Bearing NVR switch 052 Tapped flange Setting knob Threaded rod Nut 057 Blade tensioner bracket Blade tensioner bracket Quick release shaft bearing Thinnut 0 0 Thinnutt Setting knob Hex head bolt Wingnut Washer Locking knob Adjusting knob 077 Lower bearing bot Knurled thumbscrew Motor pulley Shaft Locking hande Upper trunion Pointer Screw Table gt _ _ _ O O O1 O1 gt 058 Quick release shaft bearing 060 Quick release shaft Thin
3. illuminated Keep children away All visitors should be kept a safe distance from the work area Make workshop childproof Use padlocks master switches and remove starter keys Do not force the machine It will do the job better and be safer at the rate for which it is designed Use the right tools Do not force the machine or attachments to do a job for which they are not designed Contact the manufacturer or distributor if there is any question about the machine s suitability for a particular task Wear proper apparel Avoid loose clothing gloves ties rings bracelets and jewellery which could get caught in moving parts Non slip footwear is recommended Wear protective hair covering to contain long hair Always use safety glasses Normal spectacles only have impact resistant lenses They are not safety glasses Do not over reach Keep proper footing and balance at all times Maintain the machine in good condition Keep the machine clean for best and safest performance Follow instructions for lubrication and changing accessories Disconnect the machine from power source before servicing and when changing the blade 17 18 19 Never leave the machine running unattended Turn the power off Do not leave the machine until it comes to a complete stop Do not use any power tools while under the effects of drugs alcohol or medication Always wear a face or dust mask if operation creates a lot of dust and or chips A
4. nut Locking handle 063 Thin nut 064 Cap Setting knob 066 Hex head bolt Hex head bolt Washer 069 Wing nut Hex head bolt 071 Washer Turn lock fastener Locking knob Washer Adjusting knob n a O N 0 Lower bearing bolt Dust extraction outlet 9 LT Knurled thumbscrew Guide pin housing Motor pulley Motor 083 084 Hand wheel Shaft Gearwheel Locking handle Spacer Upper trunion 090 Lower trunnion Pointer Spacer Screw Coach bolt 095 Table 096 Table insert Q lt 097 End cap 099 Fence bracket 100 Coach bolt 102 Pressure plate 103 Fence carrier Plastic pressure plate Cam Cap Pointer Cover plate right Wing bolt Handle Setting collar Screw Microswitch Nut Self tapping screw Tyre Blade Lower wheel Pulle Hex nut Fixing plate Scale Table angle scale Spacer Hook 1 10 117 1 I OPN OOO O OO NN N O N D 23 Microswitch box 7 Blade guard 1 35 Spring washer 7 Spring washer 141 Parallel pin C2 O CO AJN CO O IC 00 lh DA CO z DA N 145 Push stick
5. Charnwood Woodworking machinery at its best 12 BANDSAW OPERATING INSTRUCTIONS MODEL W721 Charnwood Cedar Court Walker Road Bardon Leicestershire LE67 1TU Tel 01530 516 926 Fax 01530 516 929 email sales charnwood net website www charnwood net GENERAL SAFETY RULES WARNING Do not attempt to operate the machine until you have thoroughly read and understood completely all instructions rules etc contained in this manual Failure to comply may result in accidents involving fire electric shock or serious personal injury Keep this owner s manual and review frequently for continuous safe operation 1 10 11 12 13 14 15 16 Know your machine For your own safety read the owner s manual carefully Learn its application and limitations as well as specific potential hazards pertinent to this machine Make sure all tools are properly earthed Keep guards in place and in working order If a guard must be removed for maintenance or cleaning make sure it is properly replaced before using the machine again Hemove adjusting keys and spanners Form a habit of checking to see that the keys and adjusting spanners are removed from the machine before switched it on Keep your work area clean Cluttered areas and workbenches increase the chance of an accident Do not use in dangerous environments Do not use power tools in damp or wet locations or expose them to rain Keep work areas well
6. ed position adjust the blade tension with the hand wheel on top of the upper housing Pluck the back of the blade as you would the string of a double bass at this point As the blade tension is increased the pitch of the sound will rise Stop increasing the tension as soon as the sound starts to become dull Alternatively raise the blade guard to its highest position and adjust tension until the blade at the midpoint between table and guard can be deflected only 3 to 5 mm with finger pressure Turn the upper wheel clockwise by hand and adjust the tracking control until the blade is centred on the wheel as shown in the inset illustration Lock the adjuster in this position The upper and lower thrust and guide bearings should be set up next Thrust bearing Guide bearing Guide bearing locking screws Thrust bearing locking screw The thrust bearing should be about 0 5 mm behind the back of the blade Adjust it and lock it place olacken the guide bearing locking screws move the bearings in until they touch the blade Rotate the top wheel by hand a few turns and lock the be rings in place The lower thrust bearing and guide pins are adjusted similarly Guide pin locking screw on rear face Guide pin Lower thrust bearing Blade guard Release the belt tension by turning the tension control handle on the front of the lower housing Move the belt from the larger pulley to the smaller one and then from
7. lways operate the tool in a well ventilated area and provide for proper dust removal Use a suitable dust extractor ADDITIONAL RULES FOR BAND SAWS 1 10 11 Ensure that the saw table is clear of off cuts tools or anything else that might foul the work piece When cutting long boards use one or more roller stand s to support the work or have a competent helper to support it as it feeds off the rear of the table Always make sure that the blade is tracked and tensioned correctly before starting to use the saw Always use a brush to clear the table of dust or debris NEVER use your hands especially when the machine is running Always ensure that the thrust bearings and guide blocks are correctly adjusted before using the saw ALWAYS USE A PUSH STICK WHEN IT IS NECESSARY TO PUSH ANY PIECE OF MATERIAL OF SUCH SIZE THAT IT WOULD BRING YOUR HANDS WITHIN 30 CM OF THE BLADE Do not cut material that is badly warped or which has screws or nails in it Be extra vigilant when cutting stock which has loose knots in it as these my fly out of the saw NEVER tilt the table when the saw is running To avoid exposure to hazardous dust do not use this saw without connecting it to a suitable dust extractor Always work with a sharp saw blade and feed the work at a rate suited to the thickness and hardness of the material Note This band saw has been designed and built solely as a woodworking machine Do not modify it in a
8. ny way or use it for anything other than its designated purpose Neither the manufactures nor the supplier are liable for any damage or injury caused by incorrect assembly operation or electrical connection of this machine Specification Table size 550 x 400 mm Table height 1090 mm Motor 750W Blade length 2240 mm Blade widths 6 to 19 mm Blade speeds no load 360 and 720 m min Blade widths 6 to 12 mm Maximum depth of cut at 90 160 mm Maximum depth of stock at 45 89 4 mm Throat capacity 305 mm Dust extractor hose connection 100 mm Weight 73kg nett Dimensions W x D x H Features 800 x 630 x 1720 mm Precision ground cast iron table with adjustable scale on rip fence carrier O to 45 table tilt High Quality British made blade High blade speed for cutting most wood Low blade speed for cutting very hard woods plastic and metal with a suitable blade Easily portable machine Quick release positive lock rip fence Cross cut mitre fence with easily read scale Tool free blade tracking and tensioning Unpacking Cut the strapping open the carton and remove all parts from the packaging Assembly Building the stand This is most easily accomplished on a bench or table Leave all nuts and bolts finger tight until you have finished assembling this stand Start with the long top rail and bolt it inside one leg Add a short rail making sure that it sits above the long rail as viewed from the underside i e
9. the smaller to the larger on the other pair Always have the drive belt on one large and one small pulley This bandsaw is equipped with a cross cut mitre fence which can be fitted as shown The fence is equipped with adjustable stops for 45 and 90 cuts The rip fence is reversible and may be used on either side of the blade Your bandsaw is now ready for use but it is recommended that a suitable dust extractor is connected before use Changing the Blade Bandsaw blades are sharp enough to cause injury even when too blunt to cut wood It is recommended that protective gloves be worn when handling blades Unplug the bandsaw from the mains socket slacken off the blade tension and open the upper and lower housing doors Although there are two micro switches which will prevent the saw from being started with a door open disconnection is a good habit to develop Lower the blade guard Remove the rip fence carrier olide the blade off upper and lower wheels bringing it out of the machine via the slots in the rear frame and the blade guard Reverse these steps to fit the new blade Ensure that the teeth are at the front and pointing down Position the blade between the guide bearings and pins Tension and adjust the tracking as done during the initial set up Check and adjust if necessary the position of the bearings and the guide pins Pps A Cum Q4 iis 2m t a LI N 3 Vw DM oy 4 i 0 OEC JY
10. the tapped holes on the underside of the table and slide the rip fence carrier on to them Adjust the two hex headed bolts so that the carrier fits snugly to the table with no gap between its upper edge and the table If you do not keep the carrier tight to the table the rip fence will not be perpendicular to it ocrew in and lock the push stick hanger Hang the push stick on it and remember that this is one of the world s best finger preservers Locate the tension adjustment knob and using a suitable tool remove the cap Be careful not to lose the nut which is inside Place it over the spindle sticking out of the top of the saw screw on the nut and lock the knob between the two nuts Replace the cap Fit the control handle to the spindle protruding from the side of the saw Rotate the handle so that the grubscrew tightens onto the flat side on the spindle Tighten the grubscrew securely Apply a little tension to the blade and use a set square to position the table at right angles to it Lock it in position and if necessary adjust the level stop screw and the pointer so that it aligns with the zero as shown earlier Setting up your saw Quick blade tensioner shown in tight position Looking from the front of saw turn the lever anticlockwise to slacken the tension Blade guard positioner and lock Tracking control and lock After ensuring that the quick tension lever is set in the tension
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