Delta 18-900L Manual De Instrucciones página 18

Taladro de banco de 457 mm (18 pulg) con lásers
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CHANGING SPEEDS AND ADJUSTING BELT
TENSION
to reduce the risk of injury, turn unit off
and disconnect it from power source before installing
and removing accessories, before adjusting or when
making repairs. An accidental start-up can cause injury.
note: Sixteen spindle speeds are available on the drill
press. A belt-positioning speed chart is located on the
inside top cover of the drill press.
1. Lift cover (H1) Fig. 39.
2. Move belt tension lever handle (I1) Fig. 39 up and to
the right and engage the hook (J1) Fig. 39 (inset) to
hold the tensioner arm in place.
3. Choose the appropriate speed for the tool you
are using and position the belts on the pulleys
accordingly. See chart (Fig. 38) on the inside cover
of the drill press head.
4. note: The belts are ribbed with grooves, so make
sure the belt grooves match up with the pulley
grooves.
5. Lift handle and move to left (as shown in Fig. 40) until
the belt tensioner arm (K1) rests against the belts.
note: Don't force the handle any further to the left. It is
set with the proper tension for the belts.
note: Fig. 41 shows the proper seating for the top belt,
with the small bit of metal showing above the black belt.
Fig. 42 shows improper seating for the top belt with no
metal showing above the black belt.
DrILLInG hoLeS to Depth
to reduce the risk of injury, turn unit off
and disconnect it from power source before installing
and removing accessories, before adjusting or when
making repairs. An accidental start-up can cause injury.
When you want to drill a number of holes to the same
depth, follow this procedure:
Setting zero
1. Place bit (L1) in chuck Fig. 43.
2. Lower the bit until it touches workpiece (M1) Fig. 43.
3. Raise the quill locking nut (N1) by pressing button
and raising it up against the depth stop bracket (O1).
4. Turn scale on the pinion (P1) Fig. 44 to the zero
mark.
Set depth
1. Remove the workpiece and rotate pinion handles to
lower quill to desired drilling depth as registered on
the scale.
2. Holding the quill at this depth, raise the quill locking
nut (N1) Fig. 43 back up against the depth stop
bracket.
3. Still holding the spindle, lower the depth stop nut
(Q1) Fig. 43 down against depth stop bracket.
4. Lower the quill locking nut (N1) Fig. 43 out of the way.
to reduce the risk of injury, tighten all
lock handles before starting the machine. Loss of control
of the workpiece can cause serious injury.
h1
j1
Fig. 39
k1
Fig. 40
Fig. 41
Fig. 42
18
I1
CorreCt
InCorreCt

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