Blade Tracking Adjustment; Blade Tension Adjustment; Blade Guide Adjustment - Jet JBS-12 Operating Instructions Manual

5. Remove the sawblade (E) by feeding it through the slot in
the table, upper blade guides and guard and the slot in the
spine of the machine taking care not to cut yourself, wear
gloves if necessary.
6. When fitting the new blade ensure the blade teeth are
pointing downwards and towards you at the position
where the blade passes through the table.
7. Re-tension the new blade and check the blade tracking by
turning the upper wheel by hand. The blade should run in
the centre of the bandwheel. (see Fig 23)
8. If required adjust the tracking using tracking knob and lock
knob (F, Fig 22) to the rear of the upper bandwheel
housing. When the tracking is correct lock the setting.
9. Re-set the blade guides as described in the section headed
"Adjusting the blade guides"
10. Replace the rip fence guide.
11. Close and lock both the bandwheel doors before re
connecting the power supply.

7.2 Blade tracking adjustment

Blade tracking shall never be performed when the machine is
running.
The sawblade must run on the centre of the rubber tyres.
Fig 22
Fig 23
With the knob on the back of the machine (F, Fig 22) the blade
tracking can be adjusted.
Tighten the placed sawblade sufficiently.
Follow the scale on the back of the machine.

7.3 Blade tension adjustment

Quick blade tension lever
Place the quick blade tension lever in the Tension position.
Blade tension is set with the blade tension handwheel.
Tighten the placed sawblade sufficiently.
Follow the scale on the back of the machine.
Note:
When the band saw is not in use, lower the blade tension.This
will prolong the blade's life.

7.4 Blade guide adjustment

Blade guide adjustment shall never be performed when the
machine is running.
Loosen the hex nut (B, Fig 24) and position the guide assembly
forward/ backward so that the teeth keep a distance of appr.
2mm to the lateral guide rollers (A).
12
Fig 24
Fig 25