Sanding Curved Pieces; Adjusting The Belt Tracking - KNOVA KN BD-46L Manual

OPERATION
• Hold the workpiece firmly, keeping fingers away from
the sanding belt.
• Keep the end pressed firmly against the work support
moving work evenly across the sanding belt.
NOTE: Use extra caution when sanding very thin pieces.
When sanding extra long pieces, move the work piece across
the belt while applying only enough pressure to allow the
sanding belt to remove the material.

SANDING CURVED PIECES

Workpiece
Belt direction
towards work
support
WARNING
Never attempt to sand the end pieces of
a workpiece on the idler drum. Applying the end of the
workpiece on the idler drum could cause the
workpiece to fly up. Failure to heed this warning could
result in serious personal injury.
ADJUSTMENTS
WARNING
Before performing any adjustment, make
sure the tool is unplugged from the power supply and
the switch is in the OFF ( O ) position. Failure to heed
this warning could result in serious personal injury.

ADJUSTING THE BELT TRACKING

• Plug in belt/disc sander.
To check belt tracking:
• Turn the switch ON and then immediately turn it OFF.
If the belt tends to slide off the idler drum or drive drum,
the belt is not tracking properly.
To adjust belt tracking:
• If the sanding belt moves toward the disc, turn
the tracking knob up 1/4 turn.
• If the sanding belt moves away from the disc,
turn the tracking knob down 1/4 turn.
• Turn the switch ON and then immediately OFF
again, noting belt movement. Readjust tracking
knob if necessary.
Sanding inside curves on the sanding belt:
Always sand inside curves on the idler drum.
• Hold the workpiece firmly, keeping fingers away from
the sanding belt.
• Keep the curve pressed firmly against the idler drum
moving work evenly across the sanding belt.
NOTE: Use extra caution when sanding
very thin pieces and apply only enough
pressure to allow the sanding
belt to remove the material.
Idler roller
Fig. 19
Sanding outside
curves on the
sanding disc:
Fig. 18
Always sand outside curves using
the sanding disc and moving the workpiece
from the left side of center.
• Hold the workpiece firmly, keeping fingers
away from the sanding disc.
• Keep the curve pressed firmly against the sanding disc
moving work evenly on the left side of the sanding disc.
NOTE: Always move the workpiece across the sanding disc
from the left side toward the center.
10
Workpiece
Tracking
knob
Switch
Fig. 20