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ASSEMBLY
ADJUSTING UPPER BLADE GUIDE ASSEMBLY
See Figures 32 - 33.
nUnplug the saw and remove switch key.
nLoosen blade guard adjustment knob and raise or lower upper blade guide assembly to just above the material being cut.
nTighten blade guard adjustment knob. Make sure blade guides are still flat to the blade. If adjustment is necessary, loosen blade guard adjustment knob and rotate assembly until blade guides are flat to the blade.
nThe upper blade guide is spring loaded. To adjust the tension on the spring, remove blade guard adjustment knob, tighten or loosen set screw until desired tension is reached, and replace blade guard adjustment knob.
ADJUSTING UPPER BLADE GUIDES AND THRUST BEARING
See Figures 33 - 34.
WARNING:
Blade guard has been removed for picture clarity. Never operate the band saw without all guards in place and in working order. Failure to do so could result in possible serious personal injury.
n Unplug the saw and remove switch key. |
n Blade must already be tensioned and tracking properly. |
n Loosen thumb screws and move blade guides as close to |
the blade as possible without pinching it. The thickness |
of a dollar bill on each side of blade is a good rule of |
thumb. |
n Tighten thumb screws. |
n Loosen thumb screw and turn knurled knob to move |
the blade guide bracket in or out until the front edge of |
the blade guides are just behind the “gullets” of the saw |
teeth. |
n Tighten thumb screw. |
n Loosen thumb screw and turn knurled knob to move the |
thrust bearing in or out until the bearing is 1/64 in. behind |
the blade. |
n Tighten thumb screw. |
n Blade thrust bearing should be adjusted so that the |
back edge of the blade overlaps the front face of the ball |
bearing approximately 1/8 in. To change position of the |
BLADE GUARD
ADJUSTMENT KNOB
|
| PULL |
|
ON |
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|
I | OFF |
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|
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|
| |
| O |
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|
BLADE GUARD |
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| |
|
| SET SCREW | |
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|
| BLADE GUIDE |
| 10° |
| ASSEMBLY |
| 0° |
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| 15° 30° 4 |
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| WORKPIECE | Fig. 32 |
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| |
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| SAW BLADE | BLADE |
UPPER |
| GUIDES | |
BLADE |
|
| |
GUIDES |
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| |
|
| GULLET |
|
SAW BLADE | THUMB SCREWS |
| |
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| |
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| KNURLED KNOBS |
THUMB SCREWS | Fig. 33 | |
KNURLED KNOB | THUMB |
|
1/64 IN. | SCREW | 1/8 IN. |
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|
THRUST BEARING
bearing, remove screw bearing, and back off knurled knob |
completely to remove the bearing shaft. Notice the bearing |
holder on the shaft is eccentric. Reinstall the bearing shaft, |
the bearing, and the screw. Examine the overlap between |
the bearing face and the blade. Change the position of |
the bearing shaft until the overlap is approximately 1/8 |
in. |
BEARING
SCREW
SAW BLADE
THUMB SCREW
KNURLED KNOB
BEARING SHAFT | Fig. 34 |
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