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12½" Planing Knife
Cutter Bit
Gib
Figure 8 - Cutterhead with Cutting Bits
• Always tighten the gibs gradually and tighten the
three gibs in the cutterhead slot at the same time.
• Mount the gib in one cutterhead slot and tighten the
set screws only enough to hold the gib in position,
then mount the other two gibs in the same manner.
• Tighten the set screws on one gib slightly, then tight-
en the other two gibs with equal pressure on the set
screws.
•
Continue to tighten the three gibs with small amounts
of added pressure, moving from one gib to the next,
until all three gibs are tight and secure.
•
Repeat the same procedure for mounting the gibs in
the other two cutterhead slots.
• Operate the planer/molder for five minutes and
retighten all set screws.
• Make sure to recheck the set screws after every two
hours of use.
INSTALLING
THE PATTERN
KNIVES
Refer to Figures 9 and 15, pages 9 and 16_
The steel pattern knives, Sears Model Numbers 23331
through 23341, are ¼" thick, and are supplied with gibs.
Use only gibs supplied with pattern knives for mounting
on the cutterhead.
To install pattern knives, all gibs (Figure 15, Key Nos.
41 and 43), planing knives (Figure 15, Key No. 40),
spacers (Figures 15, Key No. 44) and cutter bits, must
be removed.
•
Loosen all eight set screws (Figure 15, Key No. 42)
in one cutterhead slot.
• Use the brass punch to tap all the gibs down into the
cutterhead slot.
• Remove all gibs, spacers and cutter bits.
• Repeat the same procedure with the other cutter-
head slots.
• Be sure all slots are clean and free of any dirt,
grease, chips or burrs.
• Positionthe first pattern knife to be mounted in the
cutterhead slot with the proper gib.
• Slide the pattern knife against edge of the knife set-
ting gauge and tighten the knife/gib COmbination in
the cutterhead.
• Loosen three washer head bolts (Figure 15, Key No.
3) and position chipbreaker (Figure 15, Key No. 2)
(see "Position The Chipbreaker",page 7).
• Rotate the cutterhead by hand and mount the two
remaining pattern knives.
• Use the knife setting gauge to align knives.
• Be sure all knives and gibs are aligned, tight and
secure.
ix=" PatternKnife
,_,.j.Gibs
SuppnedWith Knife
Figure 9 - Cutterhead with Pattern Knive s
The planer/molder cutterhead will accept multiplepat-
tern knife set-ups at one time. For example, a pattern
knife and its relief knives can be mounted at the same
time so that the relief and the molding can be done with
one gib set-up.To mount pattern knife, the gib supplied
with the pattern knife must be used. To mount back
relief knife, the bit gib and 1" spacers (Figure 15, Key
Nos. 43 and 44) must be used.
• Install the first pattern knife in the cutterhead slot
with the proper gib and tighten the knife/gib combi-
nation. Rotate cutterhead. Use knife Settinggauge
and install the two remaining pattern knives, one in
each cutterhead slot.
• Install the first back relief knife in the cutterhead slot
with the bit gib and 1" spacers. Tighten the knife/bit
gib combination.Rotate cutterhead. Use knife setting
gauge and installthe two remaining back relief
knives, one in each cutterhead slot.
• The feed rollers must be lowered after the back relief
cut for molding operation. See "Feed Roller Adjust-
ment" below.
• Make sure all knives and gibs are aligned, tight and
secure.
• Turn the cutterhead by hand and make sure there is
no interference with the knife path.
To install more than one pattern knife in each cutter-
head slot, for example, crown and bed knives or tongue
and groove knives, an additional set of three gibs is
required.
Make sure the chipbreaker position is appropriate with
all the pattern knives. Be sure to replace the knife cover
(Figure 15, Key No. 4) properly after removingthe knife
gauge. Replace the chip deflector(Figure 15, Key No. 6).
9
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