Operating Instructions
TRIGGER CONTROLLED VARIABLE SPEEDREVERSING SWITCH BUTTON
Your tool is equipped with a variable speedThe reversing switch button is located above
trigger switch. The tool speed can bethe trigger switch and is used to reverse
controlled from minimum to maximumrotation of the bit. For forward rotation, (with
nameplate rated RPM by the pressure youthe chuck pointed away from you) move
apply to the trigger. Apply more pressure tobutton to the far left. For reverse rotation move
increase the speed and release pressure tothe button to the far right.
decrease speed (Fig. 1).
Do not change direction of
!CAUTION
"LOCK-ON" BUTTONrotation until the tool comes
The "Lock-ON" button, located in the handleto a complete stop. Shifting during rotation of
of your tool allows for continuous operation atthe chuck can cause damage to the tool.
maximum RPM without holding the trigger.
AUXILIARY HANDLE
TO LOCK TRIGGER "ON": squeeze trigger,The auxiliary handle will provide additional
depress button and release trigger.control, support and guidance for the tool. The
TO UNLOCK THE TRIGGER: squeeze triggerhandle is adjustable around the 360! handle
and release it without depressing the "Lock-collar mount. To mount, loosen wing knob and
ON" button.slide handle completely over chuck onto the
collar mount and tighten wing knob (Fig. 1).
If the OLock-ON� button is
!WARNING
continuously being de-
pressed, the trigger can not be released.
INSERTING BITINSTALLING CHUCK
For small bits, open jaws enough to insert theAlways keep the spindle threads, the threads of
bit up to the flutes. For large bits, insert the bitthe chuck and securing screw free of debris. To
as far as it will go. Center the bit as you closeinstall a chuck, reverse Oremoving the chuck�
the jaws by hand. This positions the bitprocedure.
properly, giving maximum contact betweenFIG. 2FIG. 3
the chuck jaws and the bit shank.
CounterCHUCK
ClockwiseSLEEVE
KEYED MODELS Counter
Clockwise
To tighten chuck, insert key into each of the
three key holes in succession and tighten
clockwise firmly. The chuck can be released
by using one hole only (Fig. 2).
Clockwise
KEYLESS MODELS
To tighten chuck, rotate chuck sleeve
clockwise and securely tighten by hand (Fig. 3).
CHUCK KEYClockwise
To prevent friction burns, or
!WARNING
possible hand injury, do not
loosen or tighten the chuck by using the power
of the drill.FIG. 4
REMOVING CHUCK
KEYEDKEYLESS
Open the chuck all the way, remove left-hand
thread screw inside chuck by turning it
clockwise. Insert the short arm of a 3/8" hex
key wrench and close jaws on flats of wrench.
Strike long arm of wrench sharply counter-
clockwise, remove wrench and unthread chuck
from spindle (Fig. 4).
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