Apex Digital 180413, Руководство по эксплуатации, Страница: 27 / 67

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Trouble Probable Cause Remedy
Uneven thickness between the
left and right sides of the
workpiece. Table not positioned correctly in
relation to contact drum. Adjust table until it is parallel left
to right (pages 17-18).
Front hold down roller not in
correct position in relation to
contact drum. Adjust front hold down roller so
parallel. ( See page 16 )
Graphite strip and felt pad are
won out. Replace graphite strip and felt
pad. ( See page 14. )
Conveyor belt is worn. Replace conveyor belt (contac
APEX Service Tech. )
Uneven thickness between the
leading and trailing workpiece Feed rate is too high. Reduce feed rate. See page 16
Too much stock removal. Reduce amount material being
removed.
Grit of sanding belt too fine. Use larger grit sanding belt.
Unequal position of hold down
rollers. Adjust hold down roller to
produce pressure on stock.
Table not parallel front to back. Adjust table until it is parallel
front to back (pages 17-18).
Workpiece slips on conveyor
belt. Not enough pressure between
hold down roller and workpiece Increase pressure between hold
down roller and workpiece.
Too much dust or debris on
conveyor belt. Clean conveyor belt with
compressed air.
Rear pressure bar too low, halts
the work piece. Raise rear hold down roller until
proper contact is achieved
Straight strip of notches or
grooves in the workpiece. Dirty hold down rollers. Clean hold down rollers.
Contact drum is scratched. Replace contact drum.
Graphite strip and felt pad are
worn Replace graphite and pad.
“Snake” marks on workpiece.
Local damage to the sanding
belt. Replace sanding belt.
Straight parallel running stripes
over entire width of workpiece. Joint of the sanding belt is too
thick or is open. Repair joint or replace sanding
belt.
Glossy spots on the wood. Sanding belt is too old. Replace with new sanding belt.