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8.3 Tool installation and removal
1.
Disconnect machine from power source.
2.
Thoroughly clean inside of spindle with a soft
dry cloth. Also clean any taper or arbor to be
used in the spindle. If these are not kept clean,
taper or arbor will not "seat" properly in spindle
and may drop out unexpectedly.
3.
Place protective piece of scrap wood on table.
4.
Raise table to approximately 8 to 10 inches
below spindle.
5.
Insert MT3 tool into spindle.
6.
Lower spindle using side handle, and seat tool
against the wood.
To remove a tool:
1.
Disconnect machine from power source.
2.
Lower spindle to expose slots in spindle wall.
3.
Insert drift key into spindle slots and tap gently
until drill bit or chuck arbor loosens. Hold tool
with one hand (use glove or rag if needed)
while tapping to prevent tool from falling and
being damaged.
8.4 Speed pickup adjustment (all
models)
Refer to exploded view, sect. 12.3.2.
1.
Loosen screws securing speed pickup (ref.
68A) to plate (ref. 69A).
2.
Adjust speed pickup gap to approximately 1/8-
inch. Re-tighten screws.
3.
Operate drill press to verify that speed readout
is operating correctly.
8.5 Spindle return spring adjustment
The spindle return is preset by the manufacturer
and should not need adjustment. If future attention
is ever required, proceed as follows:
1.
Do NOT remove spring cap (D, Figure 8-3).
2.
Loosen knob (E) just enough to rotate spring
cap past notch (F).
3.
Rotate spring cap clockwise to decrease
spring tension. Rotate spring cap counter-
clockwise to increase spring tension.
4.
Re-tighten knob (E).
8.6 Coolant pump
The coolant system should be filled with 2 gallons
of a cutting coolant. Fill by pouring coolant into
base of machine. Add coolant in the same manner
when coolant is low. To drain coolant, remove hex
cap screw located on lower backside of base.
Follow all coolant manufacturer's instructions for
safety, mixing and disposal.
Make sure drain hose has good, tight connection
into table and that coolant flows into base.
Make sure hose leaving pump and entering ball
valve has good, tight connections.
The flexible nozzle enables user to adjust coolant
for each job. One ball valve controls coolant fllow
to nozzle.
11
Figure 8-3
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