-33-
Model W1740 (For Machines Mfg. Since 1/13)
SE
RV
IC
E
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 lower adjustment
bolts (see
Figures.36.
and
.37
). After the adjustment has
been made, always lock the jam nuts against the bottom
to prevent them from moving.
Proper pressure on the workpiece helps avoid kickback
and keeps the workpiece from slipping. 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 pres-
sure roller height. To increase pressure, turn the lower
adjustment bolts clockwise (lowering pressure rollers).
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 pres-
sure rollers too high for them to function as intended—
the pressure rollers MUST be lowered to prevent injury.
These instructions will restore the pressure rollers to the
factory setting.
Pressure.Roller.Height.&.
Tension
Figure.36.
Pressure roller adjustments.
Pressure
Roller
Height
Adjustment
Pressure
Roller
Spring Tension
Adjustment
Gauge Board
Conveyor Table
Figure.37.
Pressure roller adjustment
location.
Figure.38.
Gauge boards in position.
To.adjust.the.pressure.rollers.to.the.factory.setting,.do.
these.steps:
1..
DISCONNECT SANDER FROM POWER
!
2.
Open the top cover.
3.
Place the gauge boards on the conveyor table and
position them under all the pressure rollers (see
Figure.38
).
4.
Raise the table so the gauge boards touch the bot-
tom of the sanding drum, as shown in
Figure.38
.
Raising. the. pressure. rollers. too. high. to. minimize.
snipe. will. cause. the. workpiece. to. slip. or. kick. out,.
causing. a. hazard. to. the. operator.. You. MUST. lower.
the.pressure.rollers.to.prevent.injury!
