Urrea CN1108 Manual De Usuario Y Garantía página 30

Canteadora industrial
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Circuit breaker tripped. Install correct circuit
breaker; reduce number of machines running
on that circuit (circuit overload).
Blade slows when cutting or makes a
squealing noise, especially on start-up.
V-belt loose. Tighten V-belt.
V-belt worn out. Replace V-belt.
Loud, repetitious noise coming from machine.
Pulley setscrews or keys are missing or loose.
Inspect keys and setscrews. Replace or tighten
if necessary.
Motor fan is hitting the cover. Adjust fan cover
mounting position, tighten fan, or shim fan
cover.
V-belts are damaged. Replace V-belts.
Vibration when running or cutting.
Loose or damaged knife. Tighten or replace
knife.
Damaged V-belt. Replace.
Worn cutterhead bearings. Check/replace cut-
terhead bearings.
• TABLE
Tables are hard to adjust.
Table lock is engaged or partially engaged.
Completely loosen the table lock.
• CUTTING
Excessive snipe (gouge in the end of the
board that is uneven with the rest of the
cut).
Outfeed table is set too low. Align outfeed
table with cutterhead knife at top dead center.
Operator pushing down on end of workpiece.
Reduce/eliminate downward pressure on that
end of workpiece.
Workpiece stops at the beginning of the
cut.
Outfeed table is set too high. Align outfeed
table with cutterhead knife at top dead center.
Chipping.
Knots or conflicting grain direction in wood.
Inspect workpiece for knots and grain; only use
clean stock.
Nicked or chipped blades. Adjust one of the
nicked knives sideways; replace knives.
30
Feeding workpiece too fast. Slow down the
feed rate.
Taking too deep of a cut. Take a smaller depth
of cut. (Always reduce cutting depth when sur-
face planing or working with hard woods.)
Fuzzy grain.
Wood may have high moisture content. Check
moisture content and allow to dry if moisture
is too high.
Dull knives. Replace knives.
Long lines or ridges that run along the
length of the board.
Nicked or chipped knives. Adjust one of the
nicked knives sideways; replace knives.
Uneven cutter marks, wavy surface, or
chatter marks across the face of the board.
Feeding workpiece too fast. Slow down the
feed rate.
Knives not adjusted at even heights in the cut-
terhead. Adjust the knives so they are set up
evenly in the cutterhead.
Board edge is concave or convex after
jointing.
Board not held with even pressure on infeed
and outfeed table during cut. Hold board with
even pressure as it moves over the cutterhead.
Board started too uneven. Take partial cuts to
remove the extreme high spots before doing
a full pass.
Board has excessive bow or twist along its
length. Surface plane one face so there is a
good surface to position against the fence.
Insufficient number of passes. It may take 3 to
5 passes to achieve a perfect edge, depending
on the starting condition of the board and the
depth of cut.
Uneven cut or breakout when rabbeting.
Uneven feed rate. Feed the board evenly and
smoothly during the cut.
Depth of cut too deep. Raise the infeed table
to take a smaller depth of cut. Never exceed
1/16" per pass when rabbeting.
Knives not adjusted evenly with each other in
the cutterhead. Adjust the knives so they are
set up evenly in the cutterhead.
Nicked or chipped knives. Adjust one of the
nicked knives sideways; replace knives.
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