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12
The Planer’s Feed System
(Refer to Figure 11)
1. Anti-kickback fingers
2. Infeed roller
3. Chipbreaker
4. Cutterhead
5. Pressure bar
6. Outfeed roller
Anti-Kickback Fingers
Anti-kickback fingers help prevent stock from
being thrown from the machine. These fingers
operate by gravity and should be inspected for
pitch or gum buildup before each day's use. The
fingers must operate freely and move
independently for correct operation.
Infeed Roller
The function of the infeed roller is to feed the
material into the machine. It is a corrugated,
sectional roller with approximately 1/4"
independent movement of each section to
accomodate multiple board surfacing.
To provide proper drive, the infeed roller should
be set so that the bottom of its arc is 1/16"
(1.6mm) below the arc of the cutterhead knives.
The infeed roller is under spring tension and this
tension must be sufficient to feed the stock
uniformly through the planer without slipping but
should not be so tight that it causes damage to
the stock. The tension should be equal at both
ends of the roller.
To adjust the infeed roller:
1. Disconnect machine from power source.
2. Place a dial gauge under a knife in the
cutterhead. (Figure 12 shows a Bed and
Feed Roll Gauge – accessory #2230002 –
which can be purchased from your dealer.)
3. If a dial gauge is not available, use a
finished block of wood with notches cut out
for the table rolls, in conjunction with a
feeler gauge. See Figure 13 for an example
of a wood block you can make and use as a
gauge.
4. Raise the table with the handwheel until the
gauge contacts a knife at the apex of its
curve. Zero the gauge at that position.
5. Move the gauge to the extreme left end of
the infeed roller and check the
measurement. It should be 1/16” below the
knife measurement.
Figure 11
Figure 12