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Pressure Roller
height
tools Needed:
Wrenches/sockets 10mm .................................. 1
gauge blocks (see Page 30) ............................ 2
factory Setting:
distance below sanding drum ......0.080" (2mm)
the pressure rollers are factory set at 0.080"
(2mm) below the bottom of the sanding drum
and are fully adjustable either up/down with the
four lower adjustment bolts (figure 34). after
the adjustment has been made, always lock the
jam nuts against the bottom to prevent them from
moving.
roller mount
bracket
Jam nut
lower adjustment bolts
figure 34. pressure roller adjustment hex nuts.
proper pressure on the workpiece helps avoid
kickback and keeps the workpiece from slip-
ping. however, as pressure increases on the
workpiece, snipe also increases (some degree of
snipe is normal with all drum sanders).
if snipe becomes a problem, you can minimize it
by reducing pressure. to lower pressure, turn the
lower adjustment bolts counterclockwise to raise
the pressure roller height. to increase pressure,
turn the lower adjustment bolts clockwise (lower-
ing pressure rollers).
model g0459/g0459p (mfg. 7/11+)
however, you can only minimize snipe so much
before the workpiece will slip or kick out, causing
a hazard to the operator. if this happens, you have
raised the pressure rollers too high for them to
function as intended—the pressure rollers must
be lowered to prevent injury.
Qty
Raising the pressure rollers too high to min-
imize snipe will cause the workpiece to slip
or kick out, causing a hazard to the opera-
tor. you MUSt lower the pressure rollers to
prevent injury!
these instructions will restore the pressure rollers
to the factory setting.
to adjust the pressure rollers to the factory
setting:
1.
disConneCt poWer to the sander!
2.
open the top cover.
3.
place the gauge blocks on the conveyor table
and position them under all the pressure roll-
ers (figure 32).
4.
raise the table so the gauge blocks touch
the bottom of the sanding drum, as shown in
figure 35.
figure 35. gauge block touching bottom of
sanding drum.
-35-
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