Porter Cable PCB370SS Manuel D'instructions page 14

ADJUSTMENTS INSTRUCTIONS
NOTE: All the adjustments for the operation of the
drill press have been completed at the factory. Due to
normal wear and use, some occasional readjustments
may be necessary.
WARNING
!
To avoid injury from an accidental start, ALWAYS make
sure the switch is in the "OFF" position, the switch key
is removed, and the plug is not connected to the power
source outlet before making adjustments.
BEVEL DRILLING (FIG. J)
NOTE: A bevel scale has been included to measure
approximate bevel angles. If precision is necessary,
a square or other measuring tool should be used to
position the table. To use the bevel scale (6).
WARNING
!
To prevent personal injury, always disconnect the plug
from the power source when making any adjustments.
1. TIGHTEN the nut (4) on the locking pin using wrench
clockwise to RELEASE it from the table support.
2. Loosen the large hex head table bevel locking bolt (5)
using adjustable wrench.
3. Tilt the table, aligning the desired angle measurement
to the zero line opposite the scale (6).
4. Tighten the table bevel locking bolt (5).
5. To return the table to its original position, loosen the
table bevel locking bolt (5). Return the table to the 0°
position.
6. Return nut (4) on locking pin. Gently tap locking
pin until it is seated in the mating hole of the table
bracket. Hand tighten nut (4).
NOTE: The table support bracket has been removed
from the illustration for clarity.
Fig. J
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5
4
SPINDLE / QUILL (FIG. K)
Rotate the feed handles counterclockwise to lower
spindle to its lowest position. Hold the chuck and move
it front to back. If there is excessive play, proceed with
the following adjustments:
1. Remove the cap (1), loosen the hex nut (2) and then
remove the hub assembly (5).
2. Loosen the lock nut (4) located on the left side of the
drill press.
3. Turn the screw (3) clockwise to eliminate the play,
but without obstructing the upward movement of the
spindle. (A little play in the spindle is normal.)
4. Tighten the lock nut (4).
Fig. K
5
2
1
QUILL RETURN SPRING (FIG. K)
The quill return spring may need adjustment if the
tension causes the quill to return too rapidly or too
slowly.
1. Remove the cap (1), loosen the hex nut (2) and then
remove the hub assembly (5).
2. Lower the table for additional clearance.
3. Place a screwdriver in the lower front notch (6) of he
spring cap (7). Hold it in place while loosening and
removing only the lock nut (4).
4. With the screwdriver still engaged in the notch,
loosen the inner nut (8) just until the notch (9)
disengages from the boss (10) on the drill press
head.
CAUTION
DO NOT REMOVE THIS INNER NUT, because the
spring will forcibly unwind.
5. Carefully turn the spring cap (7) counterclockwise
with the screwdriver, engaging the next notch.
6. Lower the quill to the lowest position by rotating the
feed handle in a counterclockwise direction while
holding the spring cap (7) in position.
7. If the quill moves up and down as easily as you
desire, tighten the inner nut (8) with the adjustable
wrench. If too loose, repeat steps 3 through 5 to
tighten. If too tight, reverse steps 4 and 5. DO NOT
OVERTIGHTEN and restrict quill movement.
8. Replace the lock nut (4) and tighten against the inner
nut (8) to prevent the inner nut from reversing.
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