Jet Tools Saw JWBS 16 User Manual

OWNER'S MANUAL  
JWBS-16 Woodworking Bandsaw  
(shown with optional accessory rip fence, rails and resaw attachment 708747 and miter gauge 708716)  
JET  
P.O. BOX 1349  
Auburn, WA 98071-1349  
Phone: 253-351-6000  
Fax: 1-800-274-6840  
WMH Tool Group  
e-mail  
[email protected] M-708749 04/02  
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WARNING  
1. Read and understand the entire instruction manual before attempting assembly or operation.  
2. This bandsaw 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.  
3. Always wear approved safety glasses/face shields while using this machine.  
4. Make certain the machine is properly grounded.  
5. 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.  
6. Keep the floor around the machine clean and free of scrap material, oil and grease.  
7. 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.  
8. 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.  
9. Make all machine adjustments or maintenance with the machine unplugged from the power source.  
10. Use the right tool. Don’t force a tool or attachment to do a job which it was not designed for.  
11. Replace warning labels if they become obscured or removed.  
12. Make certain the bandsaw power switch is in the off position before connecting the machine to the  
power supply.  
13. Give your work undivided attention. Looking around, carrying on a conversation, and “horse-play”  
are careless acts that can result in serious injury.  
14. Keep visitors a safe distance from the work area.  
15. Use recommended accessories; improper accessories may be hazardous.  
16. 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.  
17. Adjust blade tension and tracking before starting to cut.  
18. Always keep hands and fingers away from the blade when the machine is running.  
19. Stop the machine and wait for the blade to stop moving before removing scrap material from the  
table.  
20. Use suitable support if stock does not have a flat surface.  
21. Hold material firmly against the table.  
22. Saw teeth must point down toward the table.  
23. 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:  
Lead from lead based paint  
crystalline silica from bricks and cement and other masonry products, and  
arsenic and chromium from chemically-treated lumber.  
24. 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.  
25. Do not operate tool while under the influence of drugs, alcohol or any medication.  
26. Failure to comply with all of these warnings may cause serious injury.  
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Grounding Instructions  
Caution: This tool must be grounded while in use to protect the operator from electric shock.  
In the event of a malfunction or breakdown, grounding provides a path of least resistance for electric  
current to reduce the risk of electric shock. This tool is equipped with an electric cord having an  
equipment-grounding conductor and a grounding plug. The plug must be plugged into a matching outlet  
that is properly installed and grounded in accordance with all local codes and ordinances.  
Do not modify the plug provided. If it will not fit the outlet, have the proper outlet installed by a qualified  
electrician.  
Improper connection of the equipment-grounding conductor can result in a risk of electric shock. The  
conductor, with insulation having an outer surface that is green with or without yellow stripes, is the  
equipment-grounding conductor. If repair or replacement of the electric cord or plug is necessary, do not  
connect the equipment-grounding conductor to a live terminal.  
Check with a qualified electrician or service personnel if the grounding instructions are not completely  
understood, or if in doubt as to whether the tool is properly grounded. Use only three wire extension  
cords that have three-prong grounding plugs and three-pole receptacles that accept the tool’s plug.  
Repair or replace a damaged or worn cord immediately.  
115 Volt Operation  
As received from the factory, your bandsaw is ready to run at 115 volt operation. This bandsaw, when  
wired for 115 volts, is intended for use on a circuit that has an outlet and a plug that looks the one  
illustrated in Figure A. A temporary adapter, which looks like the adapter as illustrated in Figure B, may  
be used to connect this plug to a two-pole receptacle, as shown in Figure B if a properly grounded outlet  
is not available. The temporary adapter should only be used until a properly grounded outlet can be  
installed by a qualified electrician. This adapter is not applicable in Canada. The green colored rigid  
ear, lug, or tab, extending from the adapter, must be connected to a permanent ground such as a  
properly grounded outlet box, as shown in Figure B.  
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230 Volt Operation  
If 230V, single phase operation is desired, the following instructions must be followed:  
1. Disconnect the machine from the power source.  
2. This bandsaw is supplied with four motor leads that are connected for 115V operation, as shown in  
Figure A. Reconnect these four motor leads for 230V operation, as shown in Figure B.  
3. The 115V attachment plug supplied with the bandsaw must be replaced with a UL/CSA listed plug  
suitable for 230V operation. Contact your local Authorized JET Service Center or qualified  
electrician for proper procedures to install the plug. The bandsaw must comply with all local and  
national codes after the 230V plug is installed.  
4. The bandsaw with a 230V plug should only be connected to an outlet having the same configuration.  
No adapter is available or should be used with the 230V plug.  
Important: In all cases (115 or 230 volts), make certain the receptacle in question is properly  
grounded. If you are not sure, have a registered electrician check the receptacle.  
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Table of Contents  
Warranty .................................................................................................................................................2  
Warnings.................................................................................................................................................3  
Grounding Instructions.............................................................................................................................4  
115 Volt Operation...................................................................................................................................4  
230 Volt Operation...................................................................................................................................5  
Specifications..........................................................................................................................................6  
Contents of Shipping Container ...............................................................................................................7  
Unpacking ...............................................................................................................................................7  
Tools Included for Assembly....................................................................................................................7  
Tools Required for Assembly and Adjustments........................................................................................7  
Assembly and Setup................................................................................................................................8  
Adjusting Blade Tension ..........................................................................................................................8  
Adjusting Blade Tracking .........................................................................................................................8  
Upper Blade Guide Adjustment................................................................................................................9  
Lower Blade Guide Adjustment................................................................................................................9  
Mounting the Table................................................................................................................................10  
Adjusting 90 Degree Table Stop ............................................................................................................10  
Rail Assembly........................................................................................................................................11  
Fence Assembly and Adjustment......................................................................................................11-12  
Resaw Guide.........................................................................................................................................12  
Miter Gauge...........................................................................................................................................12  
Tilting the Table.....................................................................................................................................13  
Height Scale Adjustment .......................................................................................................................13  
Changing Blades ...................................................................................................................................14  
Replacing Belt .......................................................................................................................................15  
Adjusting Belt Tension...........................................................................................................................15  
Electrical Connections ...........................................................................................................................16  
Maintenance..........................................................................................................................................16  
Available Accessories............................................................................................................................16  
Troubleshooting.....................................................................................................................................17  
Part’s Breakdowns and Part’s List.....................................................................................................18-29  
Wiring Diagram .....................................................................................................................................30  
Specifications:  
JWBS-16  
Stock Number................................................................................................................................ 708749  
Cutting Capacity (height) ......................................................................................................................10”  
Cutting Capacity (width)........................................................................................................................16”  
Maximum Rip Left of Blade w/Fence ..............................................................................................14-1/4”  
Blade Length ......................................................................................................................................123”  
Blade Speed........................................................................................................................... 3000 SFPM  
Minimum Blade Width .........................................................................................................................1/8”  
Maximum Blade Width .....................................................................................................................1-1/2”  
Table Size ...................................................................................................................................17” x 17”  
Table Tilt ...............................................................................................................................45°R to 10°L  
Table Height from Floor........................................................................................................................35”  
Wheel Diameter .............................................................................................................................16-5/8”  
Dust Chute Diameter ..............................................................................................................................4”  
Overall Dimensions .......................................................................................... 69" H x 30-1/4" W x 27" D  
Motor...................................................................................................................................1-1/2 HP, 1Ph  
......................................................................................................................... 115/230V, prewired 115V  
Net Weight (approx.) .....................................................................................................................285 lbs.  
Shipping Weight (approx.) .............................................................................................................300 lbs.  
The specifications in this manual are given as general information and are not binding. The WMH Tool  
Group reserves the right to effect, at any time and without prior notice, changes or alterations to parts,  
fittings, and accessory equipment deemed necessary for any reason whatsoever.  
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Contents of Shipping Container  
1. Bandsaw  
1. Table  
1. Owner’s Manual  
1. Warranty Card  
2. Cast Feet  
4
Hex Cap Bolts 3/8”-16x4”  
4. Flat Washers 3/8”  
4. Lock Washers3/8”  
4. Flat Washers 3/8” (plastic)  
1. Accessory Package Contains:  
2. Knobs  
1. Hex Wrench  
1. Handle  
1. 10/12mm Wrench  
Unpacking  
1. Remove the packing material from the  
bandsaw.  
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. Have another person help you remove the  
bandsaw from the box.  
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  
(shown with optional accessory rip fence, rails  
and resaw attachment 708747 and miter gauge  
708716)  
gasoline.  
surfaces.  
These will damage painted  
Tools Included for Assembly  
1. 10/12mm Open End Wrench  
1. Hex Wrench  
Tools Required for Assembly &  
Adjustments  
2. 14mm Open End Wrench  
1. Combination Square  
1. Cross Point Screw Driver  
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rest in approximately the center of the  
wheel.  
Assembly and Setup  
1. With help from another person tilt the  
bandsaw just enough to get one set of feet  
(A, Fig. 1) underneath the base. Line up  
holes and bolt (B, Fig. 1) through the base  
into the feet using two hex cap bolts 3/8”-  
16x4”, two 3/8” lock washers, two 3/8” flat  
washers, and two 3/8” plastic flat washers.  
Repeat for opposite end.  
3. If adjustment is necessary, loosen the wing  
nut (G, Fig. 2) at the top rear of the saw.  
4. Adjust tracking by turning the knob (H, Fig.  
2) in 1/4 turn increments. Rotate the wheel  
forward, and observe the position of the  
blade on the wheel. Rotating knob (H, Fig.  
2) counter-clockwise should move the blade  
towards the front of the wheel. Rotating  
the knob clockwise should move the blade  
towards the back of the wheel.  
2. Attach the handle (C, Fig. 2) to the  
handwheel (D, Fig. 2).  
5. Continue with adjustments until the blade is  
tracking properly.  
Adjusting Blade Tension  
1. Disconnect machine from the power  
6. Tighten the wing nut (G, Fig. 2).  
source, unplug.  
2. Turn blade tension hand wheel (E, Fig. 2)  
counter-clockwise to tension blade, and  
clockwise to loosen the tension. A gauge  
on the upper wheel slide bracket (F, Fig. 2)  
indicates the approximate tension according  
to the width of the blade. The JWBS-16  
comes with a 3/4” blade so the tension  
should be set at 3/4” when using this blade.  
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 have an effect on blade tension.  
Keep in mind that too little, or too much  
blade tension can cause blade breakage  
and/or poor cutting performance.  
Adjusting Blade Tracking  
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. If, however, it is determined that blade  
tracking needs adjustment:  
1. Blade must be properly tensioned before  
adjusting blade tracking. Make sure upper  
and, lower blade guides do not interfere with  
the blade while adjusting the tracking.  
2. Open the upper wheel door. Rotate the  
wheel forward, and observe the position of  
the blade on the wheel. The blade should  
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3. Loosen the socket head cap screws (G, Fig.  
4) and position the blade guide assembly (H,  
Fig. 4) so that the guides rest just behind the  
Upper Blade Guide Adjustment  
WARNING  
gullet of the blade teeth.  
socket head cap screws.  
Tighten the  
Disconnect machine from the power source,  
unplug before making any adjustments!  
Blade teeth are sharp! Use care when  
working near the saw blade.  
4. Loosen thumb screws (I, Fig. 4). Adjust  
guides (J, Fig. 4) so they rest lightly against  
the blade. Do not force the guide against  
Failure to comply may cause serious injury!  
the side of the blade.  
screws.  
Tighten thumb  
1. Blade tension and tracking must be properly  
adjusted prior to blade guide setup.  
5. Adjust the blade support bearing 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  
(K, Fig. 4) and slide the bearing, and  
bearing post into position. Tighten thumb  
screw.  
2. The blade guard has been removed in  
Figure 3 for photo purposes only.  
3. Loosen the socket head cap screw (A, Fig.  
3) and position the blade guide assembly (B,  
Fig. 3) so that the guides rest just behind the  
gullet of the blade teeth.  
socket head cap screw.  
Tighten the  
Note:  
Blade support bearing should be  
adjusted so that the back edge of the blade  
overlaps the front face of the ball bearing by  
approximately 1/8”. If adjustment is needed  
loosen thumb screw (K, Fig. 4) and turn the  
bearing shaft. Tighten thumb screw.  
4. Loosen lock nuts (D, Fig. 3).  
5. Adjust guide knobs (E, Fig. 3) so guides (C,  
Fig. 3) rest lightly against the blade. Do  
not force the guides against the side of the  
blade. Tighten both lock nuts.  
6. Adjust the blade support bearing 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. 3) and slide the bearing and bearing  
post into position. Tighten thumb screw.  
Note:  
Blade support bearing should be  
adjusted so that the back edge of the blade  
overlaps the front face of the ball bearing by  
approximately 1/8”. If adjustment is needed,  
loosen thumb screw (F, Fig. 3) and turn the  
bearing shaft. Tighten thumb screw.  
Lower Blade Guide Adjustment  
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. Blade tension and tracking must be properly  
adjusted prior to blade guide setup.  
2. The blade guard has been removed in  
Figure 4 for photo purposes only.  
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Mounting the Table  
1. Remove the table insert (A, Fig. 5) and table  
pin (B, 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 the table with two lock knobs (C, Fig.  
6). Reinstall the table insert and table pin.  
Adjusting 90 Degree Table Stop  
1. Blade tension and tracking must be properly  
adjusted prior to table stop setup.  
2. Loosen lock knobs (C, Fig. 6) and tilt table  
until it rests against table stop bolt (D, Fig.  
6). Tighten knobs.  
3. Use a square (G, Fig. 7) placed on the table  
and against the blade to see if the table is  
90 degrees to the blade.  
4. If an adjustment is necessary, loosen the  
lock knobs. Tilt the table until it is square  
to the blade, and tighten the lock knobs.  
5. Loosen lock nut (E, Fig. 6) and turn table  
stop bolt (D, Fig. 6) until it contacts the  
table. Tighten the nut (E, Fig. 6) to hold  
table stop in place. When tightening the  
nut hold the table stop bolt in place with a  
wrench to prevent movement.  
6. If necessary, adjust pointer (F, Fig. 6) to  
zero.  
10  
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Rail Assembly (optional accessory)  
1. Attach the front rail (A, Fig. 8) 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.  
2. Attach the rear rail (B, Fig. 8) 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.  
3. Push the front, and rear rails up as far as  
they will go.  
4. Tighten the four hex cap bolts holding the  
front, and rear rails to the table. Do not  
over tighten the bolts.  
5. Attach the guide tube (C, Fig. 8) 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.  
Fence  
Assembly  
and  
Adjustment  
(optional accessory)  
1. Attach the fence (D, Fig. 9) to the fence  
body (E, Fig. 9) with four 5/16” x 3/4” hex  
cap bolts, four 5/16” lock washers, and four  
5/16” flat washers.  
2. Thread a hex nut (G, Fig. 10) onto the pad’s  
threaded stud (H, Fig. 10) and insert through  
the fence and rear hook (I, Fig. 10).  
Secure in place using a hex nut, lock washer  
and flat washer (J, Fig. 10).  
Note: The hook should be adjusted so that it  
overlaps the rear rail by approximately 1/8”.  
3. Place fence assembly onto the guide tube.  
The rear hook should engage the rear rail.  
11  
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4. 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 11.  
4. If the pointer is not at 90 degrees, loosen  
the screw (D, Fig. 12) holding the pointer  
and move the pointer to 90 degrees.  
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 measuring 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.  
6. Move the fence assembly so that it aligns  
parallel to the blade, and lock the fence by  
pushing the lock handle down.  
7. 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.  
8. Check to see that the pointer (C, Fig. 9) 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.  
Resaw Guide (optional accessory)  
For resawing attach the post (A, Fig. 12) to  
fence with the lock knob (B, Fig. 12). There is  
a
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. The resaw guide will give you a taller,  
single point contact surface during resawing.  
Miter Gauge (optional accessory)  
1. Place the miter gauge in the table slot.  
2. With a square verify 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. 12) and adjust  
to the proper setting. Tighten the lock  
knob.  
12  
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Tilting the Table  
1. Disconnect the machine from the power  
source, unplug.  
2. Loosen the lock knobs (A, Fig. 13).  
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 (B, Fig. 13) must be  
removed to tilt table to the left.  
Height Scale Adjustment  
1. Disconnect the machine from the power  
source, unplug.  
2. The upper blade guide should be set about  
1/8” above the material to be cut.  
3. Measure from the table top to the bottom of  
the blade guides, Figure 14.  
4. Set the indicator to this measurement on the  
height scale.  
Grasp the end of the  
indicator (C, Fig. 15) between your finger,  
and thumb.  
position.  
Move the indicator into  
13  
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Changing Blades  
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. Remove the table insert (A, Fig. 16), and  
table pin (B, Fig. 16).  
2. 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).  
3. Loosen socket head cap screw (C, Fig. 16)  
and slide the blade guide assembly back as  
far as it will go.  
4. Open both wheel covers (D, Fig. 16).  
5. Loosen blade tension by turning blade  
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.  
6. Carefully remove blade from upper and  
lower wheels. Remove the blade from  
between upper, and lower blade guides.  
Turn blade and direct through slot in table.  
7. Make sure blade teeth point down toward  
table and guide the new blade through table  
slot. Place blade in upper, and lower blade  
guides.  
8. Place blade in the middle of the upper and  
lower wheels.  
9. Tension and track blade before operating  
saw. Find instructions for tensioning and  
tracking the blade on page  
8
under  
"Adjusting Blade Tension" and "Adjusting  
Blade Tracking".  
10. Replace table insert and table pin.  
14  
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Replacing V-Belt  
1. Disconnect the machine from the power  
source.  
2. Release blade tension by turning blade  
tension hand wheel clockwise.  
3. Release belt tension by loosening the two  
hex cap bolts (A, Fig. 19). Raise the motor  
and tighten hex cap bolts to take the tension  
off the belt.  
4. Open the lower wheel door and remove hex  
nut, and washer (B, Fig. 20).  
5. Remove the wheel (C, Fig. 21). If the  
lower wheel does not come off easily you  
may need to use a pulley puller to remove  
the lower wheel.  
6. Remove the old belt (D, Fig. 21) and  
replace the belt.  
7. Reinstall the lower wheel and tighten the  
hex nut.  
8. Loosen hex cap bolts and adjust the belt  
tension. See “Adjusting the Belt Tension.”  
9. Set the blade tension.  
Blade Tension” on page 8.  
See “Adjusting  
10. Check the blade tracking. See “Adjusting  
Blade Tracking” on page 8.  
Adjusting Belt Tension  
The belt comes adjusted from the factory. If  
adjustment is needed:  
1. Disconnect the machine from the power  
source.  
2. Loosen hex cap bolts (A, Fig. 19).  
3. Set the belt tension by lightly pressing down  
on the motor and tightening the hex cap  
bolts (A, Fig. 19).  
Note: The weight of the motor should put  
enough tension on the belt. You just want to  
push down lightly to take up any slack.  
15  
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Electrical Connections  
WARNING!  
All electrical connections must be done by a  
qualified electrician!  
Failure to comply may result in loss of  
property and/or serious injury!  
JWBS-16 is rated at 1-1/2 HP, 1Ph,  
115V/230V, prewired 115V.  
The bandsaw comes with a 115V plug (A, Fig.  
22). If you switch the motor to 230V a plug  
needs to be purchased for the bandsaw that  
matches the 230V outlet you intend to use.  
Confirm power at the site is the same as the  
saw before making any electrical connections.  
Review the wiring diagram on page 30.  
Review “Grounding Instructions” on page 4,  
“115 Volt Operation” also on page 4, and 230  
Volt Operation on page 5.  
Maintenance  
Keep blade guides clean and free of build up.  
Do not let saw dust build up in the upper and  
lower wheel housings. Vacuum out frequently.  
Connect the bandsaw to a JET dust collection  
system.  
Clean and grease the raising/lowering rack for  
the upper blade 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.  
16  
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Troubleshooting  
Possible Cause  
Trouble  
Solution  
1. Saw unplugged  
1. Check plug connections  
2. Fuse blown or circuit breaker 2. Replace fuse or reset circuit  
Saw stops or will not start  
tripped  
breaker  
3. Cord damaged  
1. Stop not adjusted correctly  
3. Replace cord  
1. Check blade with square and  
adjust stop  
2. Angle pointer not set  
accurately  
Does not make accurate 45° or  
90° cuts  
2. Check blade with square and  
adjust pointer  
3. Miter gauge out of  
adjustment  
3. Adjust miter gauge  
1. Check and adjust fence  
2. Select another piece of wood  
3. Reduce feed rate  
1. Fence not aligned with blade  
2. Warped wood  
3. Excessive feed rate  
4. Incorrect blade for cut  
Blade wanders during cut  
4. Change blade to correct type  
5. Set blade tension according  
to blade size  
5. Blade tension not set  
properly  
6. Review guide adjustment on  
pages 8  
6. Guides not set properly  
1. Dull blade  
1. Replace blade  
2. Blade mounted wrong  
3. Gum or pitch on blade  
4. Incorrect blade for cut  
5. Gum or pitch on table  
2. Teeth should point down  
3. Remove blade and clean  
4. Change blade to correct type  
5. Clean table  
Saw makes unsatisfactory  
cuts  
1. Replace with adequate size  
and length cord  
1. Extension cord too light or to  
long  
Blade does not come up to  
speed  
2. Contact your local electric  
company  
2. Low shop voltage  
1. Reposition on flat, level  
surface  
1. Base on uneven floor  
2. Bad V-belt  
2. Replace V-belt  
Saw vibrates excessively  
3. Motor mount is loose  
4. Loose hardware  
3. Tighten motor mount  
hardware  
4. Tighten hardware  
17  
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Upper Wheel Assembly  
18  
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Upper Wheel Assembly  
Index Part  
No. No.  
Description  
Size  
Qty.  
1..........JWBS16-101.................... Saw Body...................................................... ...................................1  
2..........TS-0152011 ..................... Carriage Bolt ................................................. 5/16-18 x 1” ................6  
3..........JWBS18-103.................... Upper Wheel Bracket .................................... ...................................2  
4..........TS-0680031 ..................... Flat Washer................................................... 5/16............................6  
5..........TS-0720081 ..................... Lock Washer ................................................. 5/16............................6  
6..........TS-0561021 ..................... Hex Nut......................................................... 5/16-18.......................6  
7..........994542............................. Switch ........................................................... ...................................1  
8..........JWBS18-108.................... Hex Cap Bolt................................................. M8 x 65 ......................1  
9..........TS-0680021 ..................... Flat Washer................................................... 1/4..............................4  
10........JWBS18-110.................... Sliding Bracket .............................................. ...................................1  
11........JWBS18-111.................... Blade Tension Indicator................................. ...................................1  
12........JWBS18-112.................... Adjustment Bracket ....................................... ...................................1  
13........JWBS18-113.................... Shaft Bracket................................................. ...................................1  
14........TS-1540061 ..................... Hex Nut......................................................... M8..............................1  
15........JWBS18-115.................... Spring............................................................ ...................................1  
16........JWBS18-116.................... Square Nut .................................................... ...................................1  
17........JWBS18-117.................... Pointer........................................................... ...................................1  
18........JWBS18-118.................... Screw............................................................ M5 x 8 ........................1  
19........JWBS18-119.................... Set Block....................................................... ...................................1  
20........TS-0267021 ..................... Set Screw...................................................... 1/4-20 x 1/4 ................1  
21........JWBS18-121.................... Bracket.......................................................... ...................................1  
22........TS-0050021 ..................... Hex Cap Bolt................................................. 1/4-20 x 5/8 ................4  
23........JWBS16-123.................... Blade Adjusting Screw................................... ...................................1  
24........JWBS18-124.................... E-Ring........................................................... E-9 .............................1  
25........JWBS18-125.................... Hand Wheel .................................................. ...................................1  
26........TS-0267041 ..................... Socket Set Screw.......................................... 1/4-20 x 3/8 ................2  
27........TS-0209021 ..................... Socket Head Cap Screw................................ 3/8-16 x 5/8 ................1  
28........TS-0720091 ..................... Lock Washer ................................................. 3/8..............................1  
29........JWBS18-129.................... Upper Wheel Shaft........................................ ...................................1  
30........BB-6203ZZ ...................... Ball Bearing................................................... 6203 ...........................2  
31........JWBS18-131.................... Retaining Ring............................................... R40 ............................2  
32........JWBS16-132.................... Upper Wheel ................................................. ...................................1  
33........JWBS16-133.................... Tire................................................................ ...................................1  
34........JWBS18-134.................... Flat Washer................................................... ...................................1  
35........JWBS18-135.................... Hex Nut......................................................... 5/8-18UNF L.H. ..........1  
36........709181..............................Silicon Steel Blade 123" x 3/16" x 0.025" 10 Raker..............................  
............709182..............................Silicon Steel Blade 123" x 3/8" x 0.025" 6 Hook...................................  
............709183..............................Silicon Steel Blade 123" x 3/8" x 0.025" 10 Raker ...............................  
............709184..............................Silicon Steel Blade 123" x 3/8" x 0.025" 14 Raker ...............................  
............709185..............................Silicon Steel Blade 123" x 1/2" x 0.025" 4 Hook...................................  
............709186..............................Silicon Steel Blade 123" x 1/2" x 0.025" 6 Hook...................................  
............709277..............................Blade 123" x 1/8" x 0.025" 14 Raker.............. .....................................  
............709278..............................Blade 123" x 3/16" x 0.025" 4 Skip ................ .....................................  
............709279..............................Blade 123" x 1/4" x 0.025" 6 Hook................. .....................................  
............709280..............................Blade 123" x 1/4" x 0.025" 14 Raker.............. .....................................  
............709281..............................Blade 123" x 3/8" x 0.025" 4 Hook................. .....................................  
............709282..............................Premium Blade 123" x 3/8" x 0.025" 14 Raker.....................................  
............709283..............................Premium Blade 123" x 1/2" x 0.025" 3 Hook.. .....................................  
............709284..............................Premium Blade 123" x 1/2" x 0.025" 6 Hook.. .....................................  
............709285..............................Premium Blade 123" x 3/4" x 0.032" 3 Hook.. .....................................  
............709286..............................Premium Blade 123" x 3/4" x 0.032" 10 Raker.....................................  
............709287..............................Premium Blade 123" x 1" x 0.035" 6 Hook..... .....................................  
............709288..............................Premium Blade 123" x 1" x 0.035" 10 Hook... .....................................  
............709576..............................Carbide Embedded Blade 123" x 1/4" x 0.025" 6 Skip .........................  
19  
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Index Part  
No. No.  
Description  
Size  
Qty.  
............709577..............................Carbide Embedded Blade 123" x 3/8" x 0.025" 4 Skip .........................  
............709578..............................Carbide Embedded Blade 123" x 1/2" x 0.025" 3 Hook........................  
............709579..............................Carbide Embedded Blade 123" x 5/8" x 0.025" 3 Hook........................  
37........TS-0590061 ..................... Wing Nut....................................................... 5/16............................1  
38........JWBS18-138.................... Lock Knob ..................................................... 5/16............................1  
39........JWBS16-139.................... Upper Front Door........................................... ...................................1  
40........JWBS18-140.................... JET Plaque.................................................... ...................................1  
41........JWBS18-141.................... Warning Label............................................... ...................................1  
42........JWBS18-142.................... Bolt................................................................ ...................................1  
43........TS-0561011 ..................... Hex Nut......................................................... 1/4-20.........................1  
44........JWBS18-144.................... Screw............................................................ 3/16 x 3/4 ...................2  
45........JWBS18-39A ................... Door Hinge Pin.............................................. ...................................2  
20  
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Lower Wheel and Motor Assembly  
21  
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Lower Wheel and Motor Assembly  
Description  
Index Part  
No. No.  
Size  
Qty.  
1..........JWBS18-201N ................. Bearing Base..................................... ...............................................1  
2..........JWBS20-62...................... Adjusting Bolt .................................... ...............................................4  
3..........TS-0720091 ..................... Lock Washer .....................................3/8 ..........................................4  
4..........TS-0060081 ..................... Hex Cap Bolt.....................................3/8 x 1-3/4...............................4  
5..........BB-6204ZZ ...................... Ball Bearing.......................................6204........................................1  
6..........JWBS18-206N ................. Spindle.............................................. ...............................................1  
7..........JWBS18-207.................... Key....................................................7 x 7 x 40................................1  
8..........JWBS18-208.................... Spindle Pulley ................................... ...............................................1  
9..........VB-B40 ............................ V-Belt................................................B-40........................................1  
10........JWBS16-210.................... Lower Wheel ..................................... ...............................................1  
11........JWBS16-133.................... Tire.................................................... ...............................................1  
12........TS-0680081 ..................... Flat Washer.......................................5/8. .........................................1  
13........JWBS18-135.................... Hex Nut.............................................5/8-18UNF L.H........................1  
14........JWBS18-214.................... Hex Nut.............................................5/8-18UNF R.H. ......................1  
15........JWBS18-215.................... Bearing Cover ................................... ...............................................1  
16........JWBS18-216.................... Lock Washer .....................................3/16.........................................3  
17........JWBS18-217.................... Screw................................................3/16 x 3/8................................3  
18........JWBS18-218.................... Motor................................................. ...............................................1  
............JWBS16-SC..................... Starting Capacitor (not shown)...........200 MFD, 125 VAC.................1  
............JWBS16-RC .................... Running Capacitor (not shown)..........16 uF, 250 VAC ......................1  
............JWBS16-SCC.................. Starting Capacitor Cover (not shown) ...............................................1  
............JWBS16-RCC.................. Running Capacitor Cover (not shown) ...............................................1  
............JWBS18-FAN .................. Fan (not shown)................................. ...............................................1  
............JWBS18-CS..................... Centrifugal Switch (not shown) .......... ...............................................1  
............JWBS16-MFC.................. Motor Fan Cover (not shown) ............ ...............................................1  
19........JWBS18-219.................... Motor Bracket.................................... ...............................................1  
20........TS-0081031 ..................... Hex Cap Bolt.....................................5/16 x 3/4 ..............................4  
21........TS-0680031 ..................... Flat Washer.......................................5/16.........................................4  
22........TS-0060051 ..................... Hex Cap Bolt.....................................3/8-16 x 1................................2  
23........TS-0720091 ..................... Lock Washer .....................................3/8 ..........................................6  
24........TS-0680041 ..................... Flat Washer.......................................3/8 ..........................................6  
25........JWBS16-225.................... Motor Pulley ...................................... ...............................................1  
26........TS-0267021 ..................... Socket Set Screw..............................1/4-20 x 3/8.............................2  
27........JWBS16-227W ................ Lower Front Door............................... ...............................................1  
28........JWBS18-142.................... Bolt.................................................... ...............................................1  
29........TS-0561011 ..................... Hex Nut.............................................1/4-20 .....................................1  
30........JWBS20-2 ....................... Lock Knob ......................................... ...............................................1  
31........JWBS20-3 ....................... Screw................................................1/4 x 3/4..................................1  
32........JWBS20-8W .................... White Dust Chute .............................. ...............................................1  
33........TS-0680031 ..................... Flat Washer.......................................5/16.........................................2  
34........TS-0051051 ..................... Hex Cap Bolt.....................................5/16-18 x 1..............................2  
35........JWBS18-235.................... Plate.................................................. ...............................................1  
36........JWBS18-236.................... Screw................................................3/16 x 1/2................................2  
37........JWBS18-237.................... Strain Relief Bushing......................... ...............................................2  
38........JWBS18-238.................... Screw................................................3/16 x 1-1/2.............................2  
39........TS-0680011 ..................... Flat Washer.......................................3/16.........................................2  
40........JWBS18-240.................... Brush................................................. ...............................................1  
41........JWBS18-241.................... Lock Washer .....................................3/16.........................................2  
42........JWBS18-242.................... Hex Nut.............................................3/16.........................................2  
43........JWBS18-243.................... Motor Cord ........................................ ...............................................1  
44........JWBS18-244.................... Power Cord ....................................... ...............................................1  
45........BB-6205ZZ ...................... Ball Bearing.......................................6205........................................1  
46........JWBS16-246.................... I.D. Label........................................... ...............................................1  
47........JWBS16-247.................... Motor Label ....................................... ...............................................1  
22  
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Index Part  
No. No.  
Description  
Size  
Qty.  
48........JWBS18-39A ................... Door Hinge Pin.................................. ...............................................2  
49........JWBS16-249.................... Cast Foot........................................... ...............................................2  
50........TS-0060171 ..................... Hex Cap Bolt.....................................3/8-16 x 4................................4  
51........JWBS16-251.................... Flat Washer (plastic) .........................3/8 ..........................................4  
23  
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Blade Guides Assembly  
24  
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Blade Guides Assembly  
Index Part  
No. No.  
Description  
Size  
Qty.  
1..........TS-0051051 ..................... Hex Cap Bolt.....................................5/16 x 1...................................4  
2..........TS-0720081 ..................... Lock Washer .....................................5/16.........................................4  
3..........TS-0680031 ..................... Flat Washer.......................................5/16.........................................8  
4..........JWBS18-304.................... Guide Bar Bracket............................. ...............................................1  
5..........JWBS18-305.................... Worm ................................................ ...............................................1  
6..........JWBS18-306.................... E-Ring...............................................E-8..........................................2  
7..........JWBS18-307.................... Gear Base......................................... ...............................................1  
8..........JWBS18-308.................... Bushing ............................................. ...............................................1  
9..........JWBS18-309.................... C-Ring...............................................S-12........................................2  
10........JWBS18-310.................... Shaft ................................................. ...............................................1  
11........JWBS18-311.................... Gear.................................................. ...............................................1  
12........TS-0208071 ..................... Socket Head Cap Screw ..................5/16 x 1-1/4.............................2  
13........JWBS18-313.................... Lock Knob .........................................5/16.........................................1  
14........JWBS18-314.................... Plate.................................................. ...............................................1  
15........TS-0051011 ..................... Hex Cap Bolt.....................................5/16 x 1/2................................4  
16........JWBS18-316.................... Guide Bar.......................................... ...............................................1  
17........JWBS18-317.................... Pointer............................................... ...............................................1  
18........TS-0720071 ..................... Lock Washer .....................................1/4 ..........................................3  
19........TS-0050011 ..................... Hex Cap Bolt.....................................1/4 x 1/2..................................1  
20........JWBS18-320.................... Guide Bracket ................................... ...............................................1  
21........TS-0207021 ..................... Socket Head Cap Screw....................1/4 x 1/2................................13  
22........JWBS18-322.................... Blade Guard...................................... ...............................................1  
23........TS-0720111 ..................... Lock Washer .....................................1/2 ..........................................1  
24........TS-0561051 ..................... Hex Nut.............................................1/2-13 .....................................1  
25........JWBS20-110.................... Locking Shaft .................................... ...............................................1  
26........JWBS20-115.................... Upper Guide Bracket ......................... ...............................................1  
27........JWBS20-114.................... Guide Wheel Assembly ..................... ...............................................2  
28........JWBS20-113.................... Blade Support Shaft w/ Bearing......... ...............................................2  
29........JWBS18-329.................... Thumb Screw....................................1/4 x 1/2..................................4  
30........TS-0270031 ..................... Socket Set Screw..............................5/16 x 3/8................................2  
31........JWBS20-2 ....................... Lock Knob ......................................... ...............................................1  
32........JWBS20-3 ....................... Screw................................................1/4 x 3/4..................................1  
33........JWBS18-333.................... Hand Wheel ...................................... ...............................................1  
34........TS-0267041 ..................... Socket Set Screw..............................1/4 x 3/8..................................1  
35........JWBS20-103A ................. Handle............................................... ...............................................1  
36........JWBS18-336.................... Cutting Height Scale.......................... ...............................................1  
37........JWBS20-120.................... Lower Guide Bracket ......................... ...............................................1  
38........JWBS18-338.................... Lower Guide Wheel Housing ............. ...............................................2  
39........JWBS18-339.................... Lower Guide Wheel Assembly........... ...............................................2  
40........TS-0207031 ..................... Socket Head Cap Screw....................1/4 x 5/8..................................2  
41........TS-0680021 ..................... Flat Washer.......................................1/4 ..........................................2  
42........JWBS18-342.................... Lower Blade Guard............................ ...............................................1  
25  
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Table Assembly  
26  
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Table Assembly  
Index Part  
No. No.  
Description  
Size  
Qty.  
1..........JWBS16-401.................... Table................................................. ...............................................1  
2..........JWBS20-144.................... Table Insert ....................................... ...............................................1  
3..........JWBS20-145.................... Roll Pin .............................................3 x 10......................................1  
4..........JWBS18-448.................... Table Pin........................................... ...............................................1  
5..........JWBS18-408N ................. Trunnion Support Bracket.................. ...............................................1  
6..........TS-0051071 ..................... Hex Cap Bolt.....................................5/16 x 1-1/2.............................4  
7..........TS-0720081 ..................... Lock Washer .....................................5/16.........................................4  
8..........TS-0270061 ..................... Set Screw..........................................5/16 x 5/8................................2  
9..........TS-0060111 ..................... Hex Cap Bolt.....................................3/8 x 2-1/2...............................1  
10........TS-0561031 ..................... Hex Nut.............................................3/8 ..........................................1  
11........TS-0720091 ..................... Lock Washer .....................................3/8 ..........................................1  
12........JWBS18-415.................... Lock Knob ......................................... ...............................................2  
13........JWBS18-446.................... Pointer............................................... ...............................................1  
14........JWBS18-447.................... Screw................................................M5 x 8.....................................1  
15........TS-1491081 ..................... Hex Cap Bolt.....................................M10 x 50.................................2  
16........JWBS18-417.................... Trunnion Clamp Shoe........................ ...............................................2  
17........JWBS18-416.................... Trunnion............................................ ...............................................2  
18........TS-1482021 ..................... Hex Cap Bolt.....................................M6 x 12...................................6  
19........JWBS18-420.................... Scale................................................. ...............................................1  
27  
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Fence & Miter Assembly (optional accessory)  
28  
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Fence & Miter Assembly (optional accessory)  
Index Part  
No. No.  
Description  
Size  
Qty.  
1..........JWBS18-401.................... Lock Knob ......................................... ...............................................1  
2..........TS-0680021 ..................... Flat Washer.......................................1/4 ........................................11  
3..........JWBS18-403.................... Miter Gauge Body ............................. ...............................................1  
4..........200156............................. Guide Disc......................................... ...............................................1  
5..........JWBS18-405.................... Pan Head Screw................................M6 x 8.....................................1  
6..........JWBS18-406.................... Pointer............................................... ...............................................1  
7..........JWBS18-407.................... Guide Bar.......................................... ...............................................1  
10........TS-0720081 ..................... Lock Washer .....................................5/16.........................................4  
22........JWBS18-422W ................ Front Rail .......................................... ...............................................1  
23........TS-0050021 ..................... Hex Cap Bolt.....................................1/4-20 x 5/8.............................9  
24........TS-0720071 ..................... Lock Washer .....................................1/4 ........................................10  
25........JWBS18-425.................... Scale................................................. ...............................................1  
26........JWBS18-426W ................ Guide Rail ......................................... ...............................................1  
27........JWBS18-427W ................ Rear Rail ........................................... ...............................................1  
30........JWBS18-430.................... Fence Body....................................... ...............................................1  
31........JWBS18-431.................... Knob.................................................. ...............................................1  
32........JWBS18-432.................... Lock Handle ...................................... ...............................................1  
33........JWBS18-433W ................ Lock Plate ......................................... ...............................................1  
34........JWBS18-434.................... Pad ................................................... ...............................................5  
35........JWBS18-435.................... Pin..................................................... ...............................................1  
36........JWBS18-436.................... Pin..................................................... ...............................................1  
37........JWBS16-437.................... Fence................................................ ...............................................1  
38........TS-0081031 ..................... Hex Cap Bolt.....................................5/16 x 3/4................................4  
39........TS-0680031 ..................... Flat Washer.......................................5/16.........................................4  
40........JWBS18-440.................... Screw................................................3/16 x 1/4................................2  
41........JWBS18-441.................... Star Washer ......................................3/16.........................................1  
42........JWBS18-442.................... Pointer............................................... ...............................................1  
43........TS-0561011 ..................... Hex Nut.............................................1/4-20 .....................................2  
44........JWBS18-444.................... Sliding Pad........................................ ...............................................1  
45........JWBS18-445.................... Rear Hook......................................... ...............................................1  
49........JWBS18-449.................... Resaw Post ....................................... ...............................................1  
50........JWBS18-450.................... Knob.................................................. ...............................................1  
51........JWBS18-451.................... JET Fence Label ............................... ...............................................1  
............JWBS18-MGCP............... Miter Gauge Assembly ...................... .................................................  
............JWBS16-FCP .................. Fence Assembly Complete................ .................................................  
29  
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Wiring Diagram  
30  
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