TOPMAQ medr3000, Руководство оператора, Страница: 9 / 12

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2. Feed Depth Adjustment
Lower spindle assembly to desired depth and spin down the adjust
nut. Spin down the lock nut and lock it against the adjust nut. The
drill is now set to drill holes to your predetermined depth.
The depth scale shows the depth of spindle drops
3. Speed Adjustment
This drill press has 5 speeds shown in the speed label.
To change the speed, loose the belt tension lock knob, pull the
motor to the front end then change the belt location.
To tighten the belt, push the motor to the rear end and lock the belt
tension lock knob.
4. Quill Spring Adjustment
The quill return spring may need adjustment if the tension causes
the quill to return too rapidly or too slowly.
4.1 Loosen the nut A and B , make sure that the spring housing C
remains engaged with head casting.
4.2 While firmly holding the spring housing, pull out the housing and
rotate it (counter-clockwise to increase or clockwise to decrease
the spring tension) until the boss D is engaged with the next notch
on the housing. Turn the nut B until it contacts the spring housing,
then back the nut B out 1/4 turn from the spring housing. Tighten
the nut A against the nut B to hold the housing in place.
ATTENSION: The inside nut B should not contact spring housing
when tightened.
OPEARTIONS
1. Installing Drill Bit
For key type drill chuck

With the switch “OFF”, open the chuck jaws (1) using the chuck
key (2). Turn the chuck key counterclockwise to open the chuck
jaws (1).

Insert the drill bit (3) into the chuck far enough to obtain
maximum gripping by the jaws, but not far enough to touch the
spiral grooves (flutes) of the drill bit when the jaws are tightened.

Make sure that the drill is centered in the chuck.
Adjust nut
Lock nut
Belt tension lock knob
A
B
C
D