20
Oliver 5240 Owner’s Manual
Figure 27
Figure 28
5.4
Replacing Knives in the Cutterhead
The Oliver 5240 double side jointing planer possesses two identical spiral cutterheads. Each cutterhead contains
six rows of knives. There are four rows of 27 knives and two rows of 28 knives, for a total of 164 knives per cutterhead.
These cutterheads were designed to use a 14.6 x 14.6 x 2.5 mm knife with rounded corners. Each square knife possesses
4 cutting edges, so each cutter can be used 4 times before being replaced.
Note: Oliver Machinery recommends that these insert knives NOT be re-sharpened. The knives should be
used on all four sides then discarded.
5.4.1
Procedure for
Top Cutterhead
Operating the Double Side Jointing Planer
D
ISCONNECT
THE
MACHINE
FROM
POWER
BEFORE
ROTATING
OR
REPLACING
KNIVES
!
1..
Figure 27
shows the rear of the planer. Loosen the two
bolts
shown in
Figure 27
, and then remove the
dust chute
.
2. With the dust chute removed the
cutterhead
and the
knives
are exposed, see
Figure 28
.