DeWalt DCD1623 Instruction Manual page 36

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Fitting the Lubrication System (Fig. A, F)

WARNING: Do not use the lubrication system in
vertical surfaces or overhead drilling applications.
Only use the lubrication system for horizontal drilling
applications, as shown in Figure A.
1. Place coolant bottle
14
bracket 13 , then slide the magnetic coolant bottle
bracket onto the either side of the magnetic coolant
bottle attachment point
2. Attach the coolant tube
connector 16 on the gearbox.
a. Unscrew the nut
19
the nut through the end of the coolant tube
b. Press the coolant tube onto the coupling
connector 16 first, then use a wrench to tighten
the nut.
c. To remove, unscrew the nut and then pull the coolant
tube from the coupling connector.
NoTE: After the coolant tube has been removed,
tighten the nut on the coupling connector to prevent
losing it.
In order to use the lubrication system, the coolant bottle
must be filled with a sufficient amount of cutting fluid.
Lubrication in Horizontal Applications
(Fig. F)
1. Adjust the fluid flow as required using the flow
regulator .
17
2. Add more cutting fluid if the shavings become blue.
Lubrication in Vertical and Overhead
Applications
Dip the cutter in cutting paste or apply an appropriate spray.
Fitting the Safety Chain (Fig. H)

WARNING: Always use the safety chain.

WARNING: Never attach the safety chain through the
carry handle.
Feed the provided safety chain
opening of unit and around the workpiece and secure
28
in place.
Inserting and Removing an Accessory
(Fig. G)
The tool holder accepts annular cutters with a Weldon 3/4"
shank with two flats.

CAUTION: Laceration hazard. The cutter teeth
are sharp.
1. Slide the pilot pin
42
the cutter shank.
2. Push up on the 3/4" Weldon quick‑change chuck
3. Insert the cutter 43 with pilot pin and turn until the flat
meets the locking pin. When the flat meets the locking
pin the collar will snap down.
4. Check that the cutter is securely held in the arbor.
5. Lift the 3/4" Weldon quick‑change chuck to release
the cutter.
34
into the magnetic coolant bottle
21 .
15 to the coupling
by the wrench first, and place
through the safety chain
26
through the hole in the center of
Three‑Jaw Chuck (Fig. G)
A 3‑jaw chuck
various bit sizes. Refer to Inserting and Removing an
Accessory for installation instructions.
1. Place chuck key
tighten in clockwise direction. It's important to tighten
chuck with all three holes to prevent slippage.
2. To release bit, turn chuck key counterclockwise in just
one hole, then loosen the chuck by hand.
NoTE: It may be necessary to adjust the motor position
when chuck is installed. Please refer to Adjusting the Motor
Height for instructions.
. Refer to the Accessories section for further information on
15
appropriate accessories.
Magnet Engagement Lever (Fig. N)
The magnetic strength can be switched by using the magnet
engagement lever
Moving the magnet engagement lever towards the middle
position increases the magnetic power to 15%. This is a
feature to provide some user assistance while securing the
unit into place.
14
Moving the magnet engagement lever to the left position
increases the magnet power to 100%.
With the magnet engagement lever positioned to the
right the magnetic power is turned off. When moving the
handle from the left to the right the collar
must be lifted to move out of either 100% engaged or
15% engaged.
NoTE: The unit will not turn on until the magnet
engagement lever is in the left position at 100%.
Gear Selector (Fig. L)

CAUTION: Do not change gears while motor
is running.
The machine is equipped with a two‑gear selector to vary
the speed/torque ratio.
1. Press in the gear selector button
selector dial
2. loW spEED aND hIGh ToRQUE:
selector to the left for low speed and high torque.
hIGh spEED aND loW ToRQUE: Rotate the gear
selector to the right for high speed and low torque.
Speed Selection (Fig. A)
10 .
The tool features five speed settings for greater versatility.
1. To select a higher RPM setting, rotate the speed
selector
2. To select a lower RPM setting, rotate the speed selector
to a lower number.
11 can be installed to fit the drill press for
27 in each of the three holes, and
.
2
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5 into the desired mode.
1 2 3
250 370 500
130 190 260
to a higher number.
4
37 on the handle
and rotate the gear
Rotate the gear
4 5
660 810
340 420