Draper D13/5A Instrukcja obsługi - Strona 15
Przeglądaj online lub pobierz pdf Instrukcja obsługi dla Wiertarka Draper D13/5A. Draper D13/5A 20 stron. 5 speed bench drill press
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SPINDLE RETURN SPRING ADJUSTMENT
ADJUSTING SPINDLE RETURN SPRING
For the purpose of automatically returning the
spindle upward after a hole has been drilled, a
spindle return spring is provided in the spring
housing
Fig.21. This spring has been properly
A
adjusted at the factory and should not be
disturbed unless absolutely necessary. To adjust
the return spring, proceed as follows:
1. Disconnect the drill press from the power
supply.
2. Loosen the two nuts
Do not remove nuts
3. While firmly holding spring housing
pull out housing and rotate it until the boss
is engaged with the next notch in the housing.
Turn the housing anticlockwise to increase and
clockwise to decrease spring tension. Then
tighten the two nuts
housing in place.
IMPORTANT:
Nuts
Fig.22. should not contact spring housing
B
when tight.
A
DEPTH SETTING
DRILLING HOLES TO DEPTH
Where holes are to be drilled to exactly the same
depth, the stop nuts on the threaded stop rod are
used as follows:
1. Mark the depth of the hole on the side of the
workpiece. Lower the spindle until the drill
bit is even with the mark, as shown in Fig.23.
Lower stop nut
A
stop
on the side of the head. Return the
B
spindle to the up position and tighten the
upper stop nut
C
approximately ¹⁄₄".
B
from shaft
Fig.21.
B
C
A
Fig.22. to hold the
B
down to contact the depth
against the lower stop nut
Fig.22.,
D
.
A
- 15 -
C
A
Fig.22.
B
A
A
B
Fig.21.
B
D
C
Fig.23.