Adjusting The Blade Guides And Bearings; Adjusting The Blade Tracking - Delta 28-400 Manual De Instrucciones

AdjUSTINg ThE BLAdE gUIdES ANd BEARINgS

See Figure 18.
disconnect the machine from the
power source before making any
adjustments!
Adjust the upper blade guides and blade support
bearings only after the blade has the correct tension
and is tracking properly.
®
The DELTA 14" Steel Frame Band Saw features two
upper and lower side bearings and two upper and
lower rear bearings that can be adjusted in order to
ensure straight and consistent cuts. It is recommended
that you periodically check the position of all bearings
and adjust if necessary.
SIdE BEARINgS
The upper and lower side bearings (A) should be
positioned so that there is approximately 1/64" gap on
either side of the blade. To adjust the position of the
bearings, side-to-side, do the following:
FIgURE 18
AdjUSTMENTS
• Use a 3MM Allen wrench to loosen the bearing
screws (B).
• Reposition the bearings and tighten the bearing the
screws.
The upper and lower side bearings also adjust back
and forth and should be positioned so that the front
edge of the bearings is just behind the blade gullet. To
adjust the position of the bearings, front-to-back, do
the following:
• Use a 13MM open wrench to loosen the top retaining
nut and a 10MM open wrench to loosen the bottom
retaining nut. (The bottom retaining nut can be made
more accessible by tilting the table slightly.)
• With the retaining nut loosened, both upper side
bearings or both lower side bearings will move back
and forth as a unitPosition them so that the front edge
of the bearings are just behind the blade gullet.
• Re-tighten the retaining nuts.
REAR BEARINgS
NOTE: The upper and lower side bearings must both be
set in place prior to adjusting the upper and lower rear
bearings.
The upper and lower rear bearings should be
positioned so that they nearly touch the blade.
• To adjust, use a 3MM Allen wrench to loosen the
bearing screws.
• Reposition the bearings and tighten the bearing the
screws.
AdjUSTINg BLAdE TRACkINg
See "Adjust Blade Tracking" in the Assembly section of
this manual on page 10.
15