Jet Tools JWBS-20 User's Manual
Contents
1. 5 16 x 3 4 4 Flat 5 16 4 Cap 3 8 16 1 2 Lock Washer i 2 Flat 5 2 Motor 1 Set 1 4 20 x 3 8 2 Lower Front 1 POO 1 Nut 1 4 20 1 Lock 0 0 10 101010100012001 58800100015010001008 1 0 20 1 4 3 4 1 Dust 1 2 00100160 1 Flat O aa 2 Hex Cap 5 16 18 1 2 Plate 1 1 3 16 1 2 2 Strain Relief 2 4 3 16 X 1 1 22. 1 Set 5 16 X 3 8 2 Lock 1 1 Set Na 8 Thumb 04 0 00 4 Socket Head 1 4 20 x 5 8 3 Socket Head 1 4 20 1 2 2 516 9 o 1 Thumb Screw 1 4 1 2 2 Bearing Support si 2 Lock Bushing ss 1 Index No Part No Description Size Qtv Lock Washer a a aa aa a Te 1 Hex Socket 3 16 x 3 8 2 Bearing 1 Socket Head 1 4 20 x 5 8 2 A AR A 1 23 Table Assembly Index No Part No JWBS18 401 5 0680021 JWBS18 403 JWBS20 156 JWBS18 405 JWBS18 406 JWBS18 407 JWBS18 408N 5 0051071 5 0720081 5 0270061 5 0060111 5 0561031 5 0720091 JWBS18 415 JWBS18 416 JWBS18 417
3. 1 Blade Guard IO 1 Flat NA 6 Lock Washer NA 516 6526 ere 4 Hex Cap 1 4 20 x 5 8 4 Ming 2 Bracket te 1 CARING A i 10 6202 10 SD ACC Me 4 4 Set 1 4 20 x 3 8 2 Lock 01 1 1 1 2 00111800101 0000000000000011 5000100 1 2 1 4 3 4 1 Wheel IO 1 Set 1 4 20 x 3 8 1 La ts Tale L A 1 Cutting Height Scale 1 L 0 c 1 gt o gt 1 Threaded Lock 60000000 1 L 10 1 Lock 1 SCTOW JA 2 Lower Blade 1 Guide Bar Bracket
4. 2 Wing 2 Lock Knob 2 Flat 3 8 6 Cap Bolt 3 8 1 3 4 6 Blade Width 1 Upper ss 1 A TE 1 Flat 3 4 1 Hex 24252248 3 4 16UNF L H 1 1 4 x 0 025 x 6 Skip Blade 3 8 x 0 025 x 4 Skip 1 2 x 0 025 Hook Blade en eee 3 4 x 0 032 Hook Blade 1 x 0 035 x 2 Hook Blade 1 1 4 x 0 035 1 3 Hook Blade RSR ei 3 16 3 4 2 On Off Switch 230V 1 1 Upper Front 2 1 JET RSR 1 Warning 1 Door Stud 1 NUt 1 4 20 1 Switch Plate 1 Wheel 1 17 Lower Wheel and Motor Assembly mm
5. 74 Index No Part No Lower Wheel and Motor Assembly Description Size Qty Bearing Bases isi 1 Adjusting 4 Lock 6 Hex Cap 3 8 x 1 3 4 4 Ball 6205 ida 2 i i a S 1 i 1 Flat er 15 A ATA 1 Lower Wheel 1 A ATA 1 Flat a 1 3 4 16UNF LH 1 Hex 3 4 16UNF 1 Bearing COVED G 1 Lock Washer 3 1 4 8 3 a 2HP 230V Only 1 Start Capacitor not SHOWN 1 Run Capacitor not SHOWN 1 Capacitor Cover not SHOWN 1 Fan not 1 Fan Cover not shown 1 Centrifugal Switch not shown 1 Motor 10 gt 0 1 Hex
6. 5 Tools Included for Assembly sise 5 Tools Required for Assembly and 5 Upper Bearing Guide Adjustment sise 6 Lower Bearing Guide sise 7 Mounting the Table iii 7 Adjusting 90 Degree Table Stop 8 eee eee eee 5 8 Fence Assembly and 9 Resaw Guide IO 10 Miter L I 10 Tilting the Table sisi 10 Height Scale Adjustment 10 Changing 11 Adjusting Blade Tension 12 Adjusting Blade 12 Brake 13 Replacing Belt 13 Adjusting Belt Tension iii 13 Electrical 14 Maintenance 14 15 Parts Breakdowns Part s 5 16 25 Electrical Schematics sise 26 Specifications JWBS 20 fe e7e IN IB ae G 708752 Cutting Capacity 12 1 2 x 20 Maximum Left of Blade 18 1 4 Maximum Rip Right of Blade w Fence
7. 9 3 4 Bladel 150 Minimum Blade 1 8 1 0 1 1 2 au 21 x 21 Tilt anc ei a R RARER 45 R to 10 L Table Heig t it E 36 1 8 Front Table to Center of Blade 11 Wheel Diametei i 20 1 2 Blade Speed i 3 450 SFPM Dust Chute Diameters i 4 Overall Dimensions HXWXD ii 75 1 4 x 41 1 4 34 1 2 Moton TERG A ee aera 2 HP 1Ph eae Sie ue eae Sie ue eae Sie ree te le reece ee ete Mere aca 230V only Net Weight approx 500 Ibs Shipping Weight 564 Ibs specifications in this manual given as general information and not binding JET Equipment and Tools reserves the right to effect at anv time and without prior notice changes or alterations to parts fittings and accessory equipment deemed necessary for reason whatsoever Contents of Shipping Container Bandsaw Table Fence and Rail Assemblv Resaw Guide and Knob Miter Gauge Owners Manual Warranty Card Hardware Package 2 Knobs 1 Hex Wrench 1 Handle 1 10 12mm Wrench 1 Fence Hardware Bag 4 Hex Cap Scre
8. 3 The weight of the motor should put enough tension on the belt You just want to push down lightly to take up any slack 13 Electrical Connections A WARNING electrical connections must be done qualified electrician Failure to comply may result in loss of property and or serious injury JWBS 20 is rated at 2 HP 1Ph 230V only A plug needs to be purchased for the bandsaw that matches the outlet you intend to use A Fig 23 Confirm power at the site is the same as the saw before making any electrical connections Review the electrical schematic on page 26 The on off switch B Fig 24 is thermally protected If the saw motor is overloaded or a momentary interruption of electrical current is sensed the saw will shut off Allow a few minutes for the saw to cool down and reset by pushing the off button Maintenance Keep bearing guides clean and free of build up Do not let saw dust build up in the upper and lower wheel housings Vacuum out frequently Keep the brake switch located in the lower wheel housing clean and free of saw dust Connect the bandsaw to a JET dust collection system Clean and grease the raising lowering rack for the upper bearing guides if it becomes difficult to raise or lower Clean and oil the tensioning mechanism if it becomes difficult to adjust Vacuum out the motor fan cover 14 Troubleshooting Trouble Possible Cause Solutio
9. 4 SCTEW 3 16 1 4 2 Star Washer 3 16 1 525 1 Hex A a 2 sliding Pad 1 Rear 1 POG 1 SCTEW 5 8 1 Table a L a 1 Resaw 10 1 0 L ISO 1 Lock Knob IA 1 Miter Gauge Assembly 1 Fence Assembly 1 25 Electrical Schematic 230V 1 Ph POWER OMM Broke Switch O GNNQAD O 3994 CAPACITOR 125 500MFD 26
10. 1 Lock Washer 3 9 5 1 LOCK Knob IA 2 2 1004 00041100 2 Trunnion Clamp 2 Hex Cap M10 x 50 2 Socket Head Cap M6 x I 6 SE ie 1 1 400 951 1 Hex 1 4 20 x 5 8 9 LOCK Washer 14 10 TC LE 1 Guide 1 Rear 0 0 0 0 0 1 0 66 666 1 Table 1 Roll PIN 3 1 1 Fence 1 AE 1 1 Lock Plate 2 1 1 000 1 10 1 5 18 207 a teen 1 l AT 1 REIA ANA FAMA 1 Hex Cap 5 16 x 3 4 4 Flat 5 16
11. 1 4 20 x 5 8 2 3 16 x 1 2 4 4 BI Bet sar I 6 2 20 Blade Guides Assembly Lower Bearing Guides Upper Bearing Guides 22 Index No Part No Blade Guides Assembly Description Size Qty Hex Cap 5 16 18 1 4 Lock Washer ARR Eee rent 4 Flat 5 16 8 Guide Bar 1 1 E Ring A 2 Gear 1 1 2 1 Ee I po 1 Socket Head Screw 5 16 18 1 1 4 2 Lock Knob 5 16 1 PIRLO 1 Hex Cap 5 16 18 x 1 2 4 Guide Baf GA 1 POAC 1 Inner Blade Guard 1 Hex Cap 1 4 20 x 1 2
12. 5 1491081 5 0207011 JWBS18 420 JWBS20 421 JWBS18 422W TS 0050021 5 0720071 JWBS18 425 JWBS20 426 JWBS18 427W JWBS20 144 JWBS20 145 JWBS18 430 JWBS18 431 JWBS18 432 JWBS18 433W JWBS18 434 JWBS18 435 JWBS18 436 JWBS20 437 5 0081031 JWBS18 439 JWBS18 440 JWBS18 441 JWBS18 442 5 0561011 JWBS18 444 JWBS18 445 JWBS18 446 JWBS18 447 JWBS18 448 JWBS20 449 JWBS20 450 JWBS18 MGCP JWBS20 FCPW Table Assembly Description Size Qty Locking 1 Flat 1 11 Miter Gauge 1 Guide DIC E E a a a a ka ana 1 Pan Head M6 X 8 1 1 Guide Bal 1 Trunnion Support 000 1 Hex Cap 5 16 18 x 1 1 2 4 Lock Washer 5 16 8 Set 5 16 18 x 5 8 2 Cap 3 8 16 x 2 1 2 1
13. JET Group Warranty The JET Group including Performax and Powermatic brands makes every effort to assure that its products meet high quality and durability standards and warrants to the original retail consumer purchaser of our products that each product be free from defects in materials and workmanship as follow 1 YEAR LIMITED WARRANTY ON ALL PRODUCTS UNLESS SPECIFIED OTHERWISE This Warranty does not apply to defects due directly or indirectly to misuse abuse negligence or accidents normal wear and tear repair or alterations outside our facilities or to a lack of maintenance THE JET GROUP LIMITS ALL IMPLIED WARRANTIES TO THE PERIOD SPECIFIED ABOVE FROM THE DATE THE PRODUCT WAS PURCHASED AT RETAIL EXCEPT AS STATED HEREIN ANY IMPLIED WARRANTIES OR MERCHANTIBILITY AND FITNESS ARE EXCLUDED SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG THE IMPLIED WARRANTY LASTS SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU THE JET GROUP SHALL IN NO EVENT BE LIABLE FOR DEATH INJURIES TO PERSONS OR PROPERTY OR FOR INCIDENTAL CONTINGENT SPECIAL OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OF OUR PRODUCTS SOME STATES DO NOT ALLOW THE EXLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU To take advantage of this warranty the product or part must be returned for examination postage prepaid to an Authorized Repair Station designated by our office Proof of purchase date and an exp
14. JET EQUIPMENT amp TOOLS OWNER S MANUAL JWBS 20 Woodworking Bandsaw JET JET EQUIPMENT amp TOOLS INC P O BOX 1349 Phone 253 351 6000 A WMH Company Auburn WA 98071 1349 Fax 1 800 274 6840 www jettools com e mail jet jettools com M 708752 11 01 This manual has been prepared for the owner and operators of a JET JWBS 20 Woodworking Bandsaw Its purpose aside from machine operation is to promote safety through the use of accepted correct operating and maintenance procedures Completelv read the safetv and maintenance instructions before operating or servicing the machine To obtain maximum life and efficiencv from vour Bandsaw and to aid in using the machine safely read this manual thoroughly and follow instructions carefully Warranty amp Service The JET Group warrants every product it sells If one of our tools needs service or repair one of our Authorized Repair Stations located throughout the United States can give you quick service In most cases any one of these JET Group Repair Stations can authorize warranty repair assist you in obtaining parts or perform routine maintenance and major repair on your JET Performax or Powermatic tools For the name of an Authorized Repair Station in your area please call 1 800 274 6848 More Information Remember the JET Group is consistently adding new products to the line For complete up to date product information check with your local JET Group distributor
15. tension hand wheel E Fig 17 clockwise until it stops Note You may want to wear leather work gloves while removing and handling the blade 7 Carefully remove blade from upper and lower wheels Remove the blade from between upper and lower bearing guides Turn blade and direct through slot in table 8 Make sure blade teeth point down toward table and guide the new blade through table slot Place blade in upper and lower bearing guides 9 Place blade in the middle of the upper and lower wheels 10 Spin the upper wheel a number of revolutions and see where the blade lines up Tension and track blade before operating saw Find instructions for tensioning and tracking the blade on the next page under Adjusting Blade Fig 17 and Adjusting Blade Tracking 11 Replace table insert and table pin 11 Adjusting Blade Tension 1 Disconnect machine from the power source unplug 2 Turn blade tension hand wheel A Fig 18 counter clockwise to tension blade and clockwise to loosen the tension A gauge on the upper wheel slide bracket B Fig 18 indicates the approximate tension according to the width of the blade The JWBS 20 comes with a 1 blade so the tension should be set at 1 when using this blade e As you become familiar with the saw you may find it necessary to change the blade tension from the initial setting Changes in blade width and the type of material being cut will hav
16. 2 Flat RS 2 0040 2 0 anann nnana nananana nnna 1 Lock Washer 3 16 2 3 16 2 Motor Cord 1Ph 1 Power 1 Brake 6 1 Brake 6 1 1 4 20 11 2 Cap 3 8 16 x 2 1 2 1 Brake Switch 0 1 Index No Part No Description Size Qtv SPANG seine e e 2 2 0 1 4 0 2 Brake Locking 2 Brake ss 1 Socket Head Cap 1 4 20 x d 1 3 8 16 1 Hex Cap Bolt 3 8 1 31 4 1 Spindle Pulley 1 Hex Cap
17. Before operating the machine remove tie rings watches other jewelry and roll up sleeves above the elbow Remove all loose clothing and confine long hair Do not wear gloves Keep the floor around the machine clean and free of scrap material oil and grease Keep the machine guards in place at all times when the machine is in use If removed for maintenance purposes use extreme caution and replace the guards immediately Do not over reach Maintain a balanced stance at all times so that you do not fall or lean against blades or other moving parts Make all machine adjustments or maintenance with the machine unplugged from the power source Use the right tool Don t force a tool or attachment to do a job which it was not designed for Replace warning labels if thev become obscured or removed Make certain the bandsaw power switch is in the off position before connecting the machine to the power supplv Give your work undivided attention Looking around carrying on conversation and horse play are careless acts that can result in serious injury Keep visitors a safe distance from the work area Use recommended accessories improper accessories may be hazardous Adjust and position upper and lower blade guides before starting to cut Upper blade guide should be adjusted to approximately 1 8 above the material to be cut Adjust blade tension and tracking before starting to cut Always keep hands and fingers away from the bla
18. Fig 13 holding the pointer and move the pointer to 90 degrees Tilting the Table 1 Disconnect the machine from the power source unplug 2 Loosen the lock knobs E Fig 14 3 Tilt table up to 45 degrees to the right or up to 10 degrees to the left 4 Tighten the lock knobs Note Table stop bolt F Fig 14 must be removed to tilt table to the left Height Scale Adjustment 1 Disconnect the machine from the power source unplug 2 The upper bearing guide should be set about 1 8 above the material to be cut 3 Measure from the table top to the bottom of the bearing guides 4 Set the indicator to this measurement on the height scale Grasp the end of the indicator G Fig 15 between your finger and thumb Move the indicator into position 10 measure distance Changing Blades A WARNING Disconnect machine from the power source unplug Blade teeth are sharp Use care when handling the saw blade Failure to comply may cause serious injury 1 Disconnect the machine from the power source 2 Remove the table insert A Fig 16 and table pin B Fig 16 3 Lower the upper blade guide assembly about half way by loosening the lock knob F Fig 17 and turning the hand wheel G Fig 17 4 Loosen socket head cap screw C Fig 16 and slide the bearing assembly back as far as it will go 5 Open both wheel covers D Fig 16 6 Loosen blade tension by turning blade
19. Part No Upper Wheel Description Size Qtv Body 1 1 Ball 6205 2 Lock Washer 3 8 1 Upper Wheel Bearing Bracket 1 LOCK 3 4 16 UNF 1 Socket Set 5 16 18 1 2 5 2 Lever Shaft 1 Upper Adjustment 1 Upper Wheel Guide 1 Adjustment Bracket 1 WING 1 Lock Knob 1 Adjustment 1 Elevator 1 2 Guide Bar 2 3 16 x 5 8 3 a az a 1 POINT Xi a 1 Lock Washer 3 16 3 Upper Wheel Bracket 1 Bracket 2 Upper Wheel 1 Lock Washer 5 16
20. asuring from the top of the table to the top of the front rail The measurement should be the same at both ends of the table Move the fence assembly so that it aligns parallel to the blade and lock the fence by pushing the lock handle down Figure 10 Loosen the four hex cap bolts that hold the fence to the fence body and align the fence to the blade Tighten the four hex cap bolts Check to see that the pointer C Fig 10 is aligned with the zero marking on the guide rail If adjustment is necessary loosen the screw that holds the pointer in place and line up to the zero mark Tighten the screw Note If you cannot get the pointer lined up with the zero mark you can slide the guide tube and front rail left or right to achieve the proper setting Fig 10 gap should be equal between the entire lengi of fance and table top Fig 12 Fig 11 Resaw Guide For resawing attach the post A Fig 13 to fence with the lock knob B Fig 13 Thereisa slotted hole in the fence that will accommodate the resaw kit Position the post so that it is centered with the front edge of the blade Miter Gauge 1 Place the miter gauge in the table slot 2 With a square verifv the miter gauge face is square to the blade 3 If the miter gauge is not square to the blade loosen the lock knob C Fig 13 and adjust to the proper setting Tighten the lock knob 4 lf the pointer is not at 90 degrees loosen the screw D
21. de when the machine is running Stop the machine and wait for the blade to stop moving before removing scrap material from the table Use suitable support if stock does not have a flat surface Hold material firmly against the table Saw teeth must point down toward the table Some dust created by power sanding sawing grinding drilling and other construction activities contains chemicals known to cause cancer birth defects or other reproductive harm Some examples of these chemicals are e Lead from lead based paint e crystalline silica from bricks and cement and other masonry products and e arsenic and chromium from chemically treated lumber Your risk from those exposures varies depending on how often you do this type of work To reduce your exposure to these chemicals work in a well ventilated area and work with approved safety equipment such as those dust masks that are specifically designed to filter out microscopic particles Do not operate tool while under the influence of drugs alcohol or any medication Failure to comply with all of these warnings may cause serious injury 3 Table of Contents L 21 A 2 M A 2 Li al L I 3 Table of 4 4 Contents of Shipping Container 444 8 5 Unpacking and
22. e an effect on blade tension e Keep mind that too little or too much blade tension can cause blade breakage and or poor cutting performance Adjusting Blade Tracking A WARNING Disconnect machine from the power source Never adjust blade tracking with the machine running Failure to comply may cause serious injury Note Blade tracking has been adjusted at the factory however it is determined that blade tracking needs adjustment make this adjustment with knob C Fig 19 Do not use knobs D Fig 19 They are used by the factory for wheel alignment not tracking 1 Disconnect the machine from the power source 2 Blade must be properly tensioned before adjusting blade tracking Make sure upper and lower bearing guides do not interfere with the blade while adjusting the tracking 3 Open upper wheel door Rotate the wheel forward and observe the position of the blade on the wheel The blade should rest in approximately the center of the wheel 4 adjustment is necessary loosen the wing nut E Fig 19 at the top rear of the saw 5 Adjust tracking by turning the knob C Fig 19 in 1 4 turn increments Rotate the wheel forward and observe the position of the 12 blade on the wheel Rotating knob C Fig 19 counter clockwise should move the blade towards the front of the wheel Rotating the knob C Fig 19 clockwise should move the blade towards the back of the wheel Continue wit
23. ghten the four hex cap bolts holding the front and rear rails to the table Do not over tighten the bolts Attach the guide tube H Fig 9 to the front rail with five 1 4 x 5 8 hex cap bolts five 1 4 lock washers and five 1 4 flat washers Bolts should be in approximately the center of the slot Fig 7 Fig 9 Fence Assembiv and Adjustment 1 Attach the fence A Fig 10 to the fence bodv B Fig 10 with four 5 16 x 3 4 hex cap bolts four 5 16 lock washers and four 5 16 flat washers Thread a hex nut D Fig 11 onto the pad s threaded stud E Fig 11 and insert through the fence and rear hook F Fig 11 Secure in place using a hex nut lock washer and flat washer G Fig 11 Note The hook should be adjusted so that it overlaps the rear rail bv approximatelv 1 8 3 Place fence assembly onto the guide tube The rear hook should engage the rear rail Check the clearance between the table and the fence The gap should be the same at the front of the table as it is at the rear If the gap width is different adjust the foot at the rear of the fence until the gap width is the same Figure 12 Note You can also adjust the front rail or rear rail up or down to achieve the proper clearance 5 With a square verify the fence face is perpendicular to the table top If it is not the front rail will need to be adjusted parallel to the table top This can be accomplished by me
24. h adjustments until the blade is tracking properly Tighten the wing nut E Fig 19 after blade is tracking in the center of the wheel Brake Pedal Depress the brake pedal A Fig 20 while the saw is running to stop the saw Re start the saw bv pressing the on switch Replacing Belt 1 Disconnect the machine from the power source 2 Release blade tension bv turning blade tension hand wheel clockwise 3 Release belt tension bv loosening the hex cap bolt B Fig 20 Raise the motor and place a block of wood under the motor to take the tension off the belt 4 Open the lower wheel door and remove hex nut and washer C Fig 21 5 If the lower wheel does not come off easily you may need to use a pulley puller D Fig 22 to remove the lower wheel 6 Remove the old belt E Fig 22 and replace the belt 7 Reinstall the lower wheel and tighten the hex nut 8 Set the blade tension See Adjusting Blade Tension on the previous page 9 Remove the wood block or support from below the motor and adjust the belt tension See Adjusting the Belt Tension 10 Check the blade tracking See Adjusting Blade Tracking on the previous page Adjusting Belt Tension The belt comes adjusted from the factory adjustment is needed 1 Disconnect the machine from the power source 2 Set the belt tension by lightly pressing down on the motor and tightening the hex cap screw B Fig 20
25. lanation of the complaint must accompany the merchandise If our inspection discloses a defect we will either repair or replace the product or refund the purchase price if we cannot readily and quickly provide a repair or replacement if you are willing to accept a refund We will return repaired product or replacement at JET S expense but if it is determined there is no defect or that the defect resulted from causes not within the scope of JET S warranty then the user must bear the cost of storing and returning the product This warranty gives you specific legal rights you may also have other rights which vary from state to state The JET Group sells through distributors only Members of the JET Group reserve the right to effect at any time without prior notice those alterations to parts fittings and accessory equipment which they may deem necessary for any reason whatsoever AN 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 WARNING Read and understand the entire instruction manual before attempting assembly or operation This band saw is designed and intended for use by properly trained and experienced personnel only If you are not familiar with the proper and safe operation of a bandsaw do not use until proper training and knowledge have been obtained Always wear approved safety glasses face shields while using this machine Make certain the machine is properly grounded
26. n Saw stops or will not start Overload tripped Saw unplugged Fuse blown or circuit breaker tripped Cord damaged Allow motor to cool and reset bv pushing off switch Check plug connections Replace fuse or reset circuit breaker Replace cord Does not make accurate 45 or 909 cuts Stop not adjusted correctly Angle pointer not set accurately Miter gauge out of adjustment Check blade with square and adjust stop Check blade with square and adjust pointer Adjust miter gauge Blade wanders during cut Fence not aligned with blade Warped wood Excessive feed rate Incorrect blade for cut Check and adjust fence Select another piece of wood Reduce feed rate Change blade to correct type Saw makes unsatisfactory cuts Dull blade Blade mounted wrong Gum or pitch on blade Incorrect blade for cut Gum or pitch on table Replace blade Teeth should point down Remove blade and clean Change blade to correct type Clean table Blade does not come up to speed Extension cord too light or to long Low shop voltage Replace with adequate size cord Contact your local electric company Saw vibrates excessively Base on uneven floor Bad V belt Bent pulley Improper motor mounting Loose hardware Reposition on flat level surface Replace V belt Replace pulley Check and adjust motor Tighten hardware 15 Upper Wheel Assembly Index No
27. ource unplug 2 Blade tension must be properly adjusted prior to bearing guide setup see Adjusting Blade Tension page 13 3 Adjust the back up bearing A Fig 4 so that it is 0 003 away from the back of the blade about the thickness of a piece of paper To make this adjustment loosen thumb screw B Fig 4 and slide the bearing and bearing post into position Tighten thumb screw 4 Loosen the socket head cap screw C Fig 4 and slide the bearing assembly until the bearing guides rest just behind the gullet of the blade teeth You may need to readjust the back up bearing Tighten socket head cap screw 5 Loosen the thumb screw D Fig 4 and turn adjusting screw E Fig 4 clockwise or counter clockwise until the bearing is 0 003 away from the side of the blade about the thickness of a piece of paper 6 Adjust the opposite side bearing 7 Tighten thumb screw D Fig 4 Check to make sure the adjustments have not changed and the bearing guides do not pinch the blade Mounting the Table 1 With help from another person mount the table Remove the table insert F Fig 5 and table pin G Fig 5 2 Slide saw blade through slot in table where the table pin was located Rotate the table 90 degrees so that the miter slot is parallel to the blade and to the right of the blade when facing the bandsaw 3 Line up the trunnions so that the bolts feed through the trunnion support bracket Secure
28. s Blade teeth are sharp Use care when working near the saw blade Failure to comply may cause serious injury Disconnect the machine from the power source unplug Blade tension must be properly adjusted prior to bearing guide setup see Adjusting Blade Tension page 13 Adjust the back up bearing E Fig 2 so that it is 0 003 away from the back of the blade about the thickness of a piece of paper To make this adjustment loosen thumb screw F Fig 2 and slide the bearing and bearing post into position Tighten thumb screw Loosen the socket head cap screw G Fig 3 and slide the bearing assembly until the bearing guides rest just behind the gullet of the blade teeth You may need to readjust the back up bearing Loosen the wing nut H Fig 3 and turn the adjusting screw Fig 3 clockwise or counter clockwise until the bearing is 0 003 away from the side of the blade about the thickness of a piece of paper Tighten wing nut Adjust the opposite side bearing Check to make sure the adjustments have not changed and the bearing guides do not pinch the blade Fig 2 Lower Bearing Guide Adjustment 7 ae Lower Bagring Giii e A WARNING Disconnect machine from the power source unplug before making any adjustments Blade teeth are sharp Use care when working near the saw blade Failure to comply may cause serious injury 1 Disconnect the machine from the power s
29. the table with two lock knobs H Fig 6 Reinstall the table insert and table pin Adjusting 90 Degree Table Stop 1 Blade tension must be properlv adjusted prior to adjusting 90 degree stop see Adjusting Blade Tension page 13 Loosen lock knobs A Fig 7 and tilt table until it rests against table stop bolt B Fig 7 Tighten knobs Use a square E Fig 8 placed on the table and against the blade to see if the table is 90 degrees to the blade If an adjustment is necessary loosen the lock knobs Tilt the table until it is square to the blade and tighten the lock knobs Loosen lock nut C Fig 7 and turn table stop bolt B Fig 7 until it contacts the table Tighten the nut C Fig 7 to hold table stop in place When tightening the nut hold the table stop bolt in place with a wrench to prevent movement If necessary adjust pointer D Fig 7 to zero Rail Assembly 1 Attach the front rail F Fig 9 to the cast iron table with two 1 4 x 5 8 hex cap bolts two 1 4 lock washers and two 1 4 flat washers Bolts should be in approximately the center of the slot Hand tighten only at this time Attach the rear rail G Fig 9 to the table with two 1 4 x 5 8 hex cap bolts two 1 4 lock washers and two 1 4 flat washers Bolts should be in approximately the center of the slot Hand tighten only at this time Push the front and rear rails up as far as they will go Ti
30. ws 4 Flat Washers 4 Lock Washer 1 Rail Hardware Bag 9 Hex Cap Screws 9 Flat Washers 9 Lock Washers Unpacking and Setup 1 Remove the crate and packing material from the saw except for the transport skid on the bottom 2 Move the saw to its permanent working location The site should be dry well lit and have enough room to handle long stock and the service and or adjustment of the machine from any side 3 Move the bandsaw off the skid 4 Clean all rust protected surfaces with a mild solvent or diesel fuel and a soft cloth Do not use lacquer thinner paint thinner or gasoline These will damage painted surfaces Tools Included for Assembly 1 10 12mm Open End Wrench 1 Hex Wrench Tools Required for Assembly amp Adjustments 2 14mm Open End Wrench 1 Cross Point Screw Driver 1 Combination Square Assembiv and Setup 1 Attach the handle A Fig 1 to the handwheel B Fig 1 Turn blade tension hand wheel C Fig 1 counter clockwise to tension blade and clockwise to loosen the tension A gauge on the upper wheel slide bracket D Fig 1 indicates the approximate tension according to the width of the blade The JWBS 20 comes with a 1 blade so the tension should be set at 1 Note lt is easier to adjust the bearing guides before mounting the table Upper Bearing Guide Adjustment A WARNING Disconnect machine from the power source unplug before making any adjustment
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