18
DF 500 Q
13 Fault correction
(The following images B1 to B6 are on a separate enclosed sheet).
Fault Cause Adjustment
B1 burns blunt jointer bit use sharp jointer bit
B2 expansion of dowel
hole
jointing depth excessive (greater
than 20 mm) with 5 mm jointing bit
reduce jointing depth
B3 dowel penetrates
workpiece
incorrect workpiece thickness
and/or jointing depth
adapt workpiece thickness and/
or jointing depth
B4 Tears at edge of dowel
hole
excessive feed rate reduce feed rate
B5 dowel hole not parallel
to workpiece edge
workpiece has shifted during pro-
cessing
secure workpiece properly
B6 dowel hole not at right
angles (90°) to work-
piece surface
a) deposits (e.g. chips) below the
base plate
b) angle guide not set exactly to 90°
c) worked on without additional
stop
a) remove deposits
b) set angle guide to 90° exactly
c) use additional stop
9a,
9b
The position of the
dowel holes, which
were created with the
left and right stop latch,
does not exactly match
(different distance to
workpiece edge).
The midpoint between the two
stop latch is not exactly in the
midpoint of the swivel range of
the jointer bit.
Remove one of the stop latches
[9-1] (Fig. 9a). Attach one of
the accompanying stop latches
[9-2] to the dowel jointer (Fig.
9b).These stop latches are nar-
rower and allow you to make
more accurate adjustments.
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