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12

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.

• 

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,

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.

If 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

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.

6.

Continue with adjustments until the blade is
tracking properly.

7.

Tighten the wing nut (E, Fig. 19) after blade
is tracking in the center of the wheel.

Содержание JWBS-20

Страница 1: ...R S MANUAL JWBS 20 Woodworking Bandsaw JET EQUIPMENT 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 1...

Страница 2: ...idents 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...

Страница 3: ...ention 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 i...

Страница 4: ...owns and Part s List 16 25 Electrical Schematics 26 Specifications JWBS 20 Stock Number 708752 Cutting Capacity HxW 12 1 2 x 20 Maximum Rip Left of Blade w Fence 18 1 4 Maximum Rip Right of Blade w Fe...

Страница 5: ...w 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 adjustme...

Страница 6: ...rce 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 E Fig 2 so that it is 0 003 away from the back of the...

Страница 7: ...he 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...

Страница 8: ...ce with a wrench to prevent movement 6 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 wa...

Страница 9: ...e 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 parall...

Страница 10: ...the screw D 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...

Страница 11: ...sion 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 bl...

Страница 12: ...tory If 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...

Страница 13: ...r 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...

Страница 14: ...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 Maintenan...

Страница 15: ...ped wood 3 Excessive feed rate 4 Incorrect blade for cut 1 Check and adjust fence 2 Select another piece of wood 3 Reduce feed rate 4 Change blade to correct type Saw makes unsatisfactory cuts 1 Dull...

Страница 16: ...16 Upper Wheel Assembly...

Страница 17: ...asher 3 16 3 23 JWBS20 33 Upper Wheel Bracket Base 1 24 JWBS20 32 Bracket Shaft 2 25 JWBS20 525 Upper Wheel Shaft 1 26 TS 0720081 Lock Washer 5 16 2 27 TS 0590061 Wing Nut 5 16 2 28 JWBS20 54 Lock Kno...

Страница 18: ...18 Lower Wheel and Motor Assembly...

Страница 19: ...witch not shown 1 19 JWBS18 219 Motor Bracket 1 20 TS 0081031 Hex Cap Blot 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 2 24 TS 0...

Страница 20: ...254 Brake Pedal 1 55 TS 0207061 Socket Head Cap Screw 1 4 20 x 1 1 56 TS 0561031 Hex Nut 3 8 16 1 57 JWBS20 257 Hex Cap Bolt 3 8 x 1 3 4 1 58 JWBS20 258 Spindle Pulley 1 59 TS 0050021 Hex Cap Bolt 1...

Страница 21: ...21 Blade Guides Assembly...

Страница 22: ...JWBS20 324 Wing Bolt 2 25 JWBS20 325 Bracket Shaft 1 26 JWBS20 326 C Ring 10 27 BB 6202ZZ Ball Bearing 6202 10 28 JWBS20 328 Spacer 4 29 JWBS20 329 Shaft 4 30 TS 0267041 Set Screw 1 4 20 x 3 8 2 31 JW...

Страница 23: ...No No Description Size Qty 56 TS 0720071 Lock Washer 1 4 1 57 JWBS20 357 Hex Socket Cap Screw 3 16 x 3 8 2 58 JWBS20 358 Bearing Bracket 1 59 TS 0207031 Socket Head Cap Screw 1 4 20 x 5 8 2 60 JWBS20...

Страница 24: ...24 Table Assembly...

Страница 25: ...S18 420 Scale 1 21 JWBS20 421 Table 1 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 JWBS20 426 Guide Rail 1 27 JWBS18...

Страница 26: ...26 Electrical Schematic 230V 1 Ph...

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