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7.
Now rotate the bearing guide shafts until the
bearings are approximately
blade. Hold the shafts in place with a screw
driver and tighten the bearing guide lock
nuts. The guide bearing, when adjusted cor-
rectly, should have a slight drag against the
blade. If the guide bearings pinch the blade,
it will damage the bearing guides and blade.
8.
Slide the rear support bearing until it is
1
approximately
⁄
32
en.
The bearing guide shaft lock nuts should
only be as loose as necessary to allow the
shafts to rotate. If they are too loose it will
be very difficult, if not impossible, to adjust
the guides accurately.
Lower Guides
Normally Steps 1-4 are implemented prior to
installing a new blade. To adjust the lower guides:
1.
Loosen the lower guide lock nuts and thread
the shafts out so the blade guides are away
from the blade.
2.
Loosen the setscrew that holds the rear sup-
port bearing in place and slide it back.
3.
Loosen the bolts that hold the lower guide
assembly in place and slide the lower guide
back.
4.
Install blade. Track and tension according to
the instructions in this manual. It is recom-
mended that you adjust the upper guides
first, then the lower.
5.
Slide the lower guide forward so the bearing
guides are
1
⁄
" behind blade gullets. Tighten
16
the lower guide assembly.
-12-
1
⁄
'' from the
64
'' from the blade and tight-
Figure 7 shows lower blade guide assembly.
6.
Thread in the lower blade guide adjusters
until the blade guides are approximately
from the blade. Tighten the lock nuts.
7.
Slide the rear support bearing until it is
approximately
1
⁄
32
en.
DO NOT make adjustments while the band-
saw is running. Ensure that the switch is off,
power is disconnected and moving parts
have stopped before making adjustments.
Failure to comply may result in serious per-
sonal injury.
Blade Guide
Lock Nut
Blade Guide Adjuster
'' from the blade and tight-
G1258 20" Bandsaw
1
⁄
''
64
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