5
4. HOW TO OPERATE THE TOOL
WARNING
Turn off the air supply and disconnect the air hose
before replacing the Drill Bit.
4-1. How to Hold the Air Drill
(Fig.2)
For Stable operation, hold the grip of the Air Drill by
one hand with the middle finger put on the Trigger
and the index finger extended over the main body,
and grip the main body firmly with the other hand as
below figure.
Fig. 2
4-2. How to Adjust Rotating Speed
(Fig.3)
Turn the Speed Control Nut to adjust the drill rotating
Speed. Adjust the rotating speed for the operation
requirement.
4-3. How to Change Rotation Direction
(Fig.3)
Change rotation direction by turning the valve as
indicated.
Speed Control Nut
Valve
R
MIN
MAX
L
Fig. 3
4-4. Mounting the Drill Bit
(Fig.4)
Mount the drill bit to the Chuck, and tighten the
Chuck securely with the accessory Chuck Handle.
Chuck
Drill Bit
Chuck Handle
Fig. 4
4-5. Start and Stop
(Fig.5)
(1) C o n f i r m t h a t t h e Tr i g g e r i s O FF a n d f i t t h e
connecting hose onto the Cupla plug on the Air Drill.
(2) To turn on the Air Drill, hold the Air Drill by hands
and pull the Trigger.
(3) To turn it off, release the Trigger.
Trigger
ON
OFF
Fig. 5
4-6. Tapping Operation
CAUTION
●
Make sure the hole as large as possible within
the tolerance for strength.
(1) Drill a hole before tapping.
(2) Apply tapping paste to the tap.
(3) Confirm that the Valve is set for normal rotation
direction. (Fig.5)
(4) Align the tap with the hole, and start tapping. If the
top end of drill cannot break into the hole when the
tap diameter is large, manually rotate the drill in
normal rotating direction by several turns with the
Trigger set on, and then start tapping.
(5) After tapping ends, change the rotation direction,
and pull out the tap while the drill is rotating
reversely.
5. THREAD SISE OF HOSE FITTING
The product comes with a metal-fitting with R
thread. Connect the Bushing R thread X NPT thread
included as standard accessories. If you would like
to have American NPT thread instead.