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• Twisted or severely warped boards canjam
planer/molder.Rip lumber in hall to reduce magni-
tude of warp.
• Work shouldbe fed into planer/molderin same
directionas the grainof the wood. Sometimes grain
willchange directions in middle of board. In such
cases, if possible, cut board in middle before planing
so grain direction is correct.
CAUTION: Do not plane board which is less than 17"
long; force of cut could split board and cause kickback.
PLANING
WARNING: Always turn the planer/molderoff and
disconnectit from the power sourcewhenever blade
cover is removed. Never operate planer/molderwithout
the blade cover properly secured.
The planer/molderissuppliedwith planingbladesmount-
ed in the cutterheadandthe infeedand ouffeedrollers
adjustedto the correct height.The planer/molderiscapa-
ble ofworkingat twodifferentfeed rates.Feed rate refers
to rateat whichlumber travelsthrough planer/molder.
Planingcan bedone at 22 FPM (standardplaning)orat
11 FPM foran improvedsurfacefinish (see Feed Rate
Adjustment).
• Positionrollercaseto producethe depth of cut
desired.
• Operator isresponsiblefor aligningwork so it will
feed properly.
• Lift edge to infeed side of the table by grasping
edges of board at approximatelymiddle of length.
• Boards longerthan 24" shouldhave additionalsup-
port from free standingmaterial stands.
• Positionthe workpiece with the face to be planed on
top.
• Turn the planer/molderon.
• Rest board end on in-feedtable and direct board into
planer/molder.
• Gently slide the workpiece intothe infeed side of the
planer/molder untilthe infeed rollerbegins to
advance the workpiece.
• Let go of the workpiece and allow automaticfeed to
advance the workpiece.
• Do not push/pullon workpiece.
• Move to the rear and receive planed lumber by
graspingit in same manner as itwas fed.
CAUTION: Do not stand directlyin line with frontor
rear of planer/molder.
• Do not grasp any portionof board whichhas not
gone past out-feed roller.
• Repeat this operation on all boards which need to be
same thickness.
Planer/molder has return milers on top so assistantcan
pass work back to operator (see Figure 20).
NOTE: Assistant mustfollow same precautionsas
operator.
• Surface thatthe planer/molderproducesis smoother
if shallowerdepthof cut is used.
Figure 20 -Workplece on the Return Rollers
DEPTH OF CUT
Thickness planingrefers tothe sizingof lumberto a
desired thicknesswhile creating a level surface parallel
to the oppositeside of the beard. Boardthickness
which the planer/molderwill produceis indicatedbythe
scale, and depth-of-cut-gauge.Preset the planer/molder
to the desiredthicknessof finishedworkpiece using
knob.See "VVorkpieceThickness Pre-set Gauge", page
9.
Depth-of-cutis adjustedby raisingor loweringthe
rollercaseusing handle.
• Qualityof thicknessplaningdepends on the opera-
tor'sjudgement aboutthe depth of cut.
• Depthof cutdepends on the width, hardness,damp-
ness, grain directionand grain structureof thewood.
• Maximumthicknessof wood which can be removed
inone pass is=,_"for planingoperations on work-
piece up to 8"wide.Workpieca mustbe positioned
awayfrom the center line ofthe table to cut3/=,,.
• Maximumthicknessof wood whichcan be removed
in one pass is _A0"for planingoperationson work-
piece from 8"up to 15"wide.
Foroptimumplaning performance, the depth of cut
shouldbe lessthan ¼6".
Board shouldbe planed with shallowcuts untilthe
work has a levelside.Once a levelsurface has been
created, flipthe lumberand create parallel sides.
• Plane alternatesidesuntilthe desiredthickness is
obtained.When halloftotal depthofcutistakenfrom
each side,the boardwillhavea uniformmoisturecon-
tentand additionaldryingwillnot causeittowarp.
• Depthof cut shouldbe shallowerwhen work is wider.
• When planinghardwood,take light cuts or plane the
wood in thin widths.
Make a test cut witha test piece and verifythe thick-
ness produced.
10
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