BM 3609929451 2/02 2/20/02 10:36 AM Page 7
Operating Instructions
TRIGGER CONTROLLED VARIABLE SPEED2. The two jaw chuck is suitable for square
Your tool is equipped with a variable speedshank tapping bits from 1/8� to 3/8� (3 to 9.5
trigger switch. The tool speed can bemm). Insert the tapping bit within the jaws of
controlled from minimum to maximumthe chuck and securely tighten screw with the
nameplate rated RPM by the pressure youallen key provided.
apply to the trigger. Apply more pressure to
increase the speed and release pressure to3. The gear box is designed for tapping right-
decrease speed (Fig. 1).hand threads. Rotation in the right-hand
direction will begin immediately when
"LOCK-ON" BUTTONpressure is applied to the tap, and the trigger
Your tool is also equipped with a OLock-ON�switch is on. The feature of the chuck is that
button located on the left side of the triggerthe coulpling is self-aligning. This means the
handle that allows for operation at maximumtap will straighten itself along the axis of the
RPM without holding the trigger (Fig. 1).pilot hole if started slightly out-of-align.
TO LOCK TRIGGER "ON": squeeze trigger,4. Once the tap has reached the required
depress button and release trigger.thread depth, the rotation can be reversed by
drawing back the tool which will automatically
TO UNLOCK THE TRIGGER: squeeze triggerreverse the direction of the tap.
and release it without depressing the "Lock-
ON" button.5. Thread cutting oil must be used on every
If the OLock-ON� button ishole when tapping.
continuously being depressed,!WARNING
the trigger can not be released.6. Using the proper size pilot hole is as
important in tapping as any other factor. Do
PRESET SPEED ADJUSTING DIALnot exceed the capacities recommended in
This feature enables you to preset the triggerthsi manual for the tool. Use only taps that are
at desired speeds by rotating the dial on thesharp and in good condition.
trigger to a higher or lower setting. Regardless7. Select a speed suitable for the material
of the pressure applied on the trigger, the toolbeing tapped. Slow speeds are recommended
will not operate any faster than maximumfor large diameter taps. Highter speeds for
speed setting selected.small diameter taps.
OPERATING TIPS8. Common causes for broken taps are:
Following a few simple tips will reduce thea) Starting tap out-of-align with hole axis.
wear on both the tool and the operator.
1. Support the tool so that steady evenb) Predrilled hole diameter too small.
pressure is applied to the tapping bit. Thec) Blunt or dull taps.
pistol grip and contour body has been
designed for comfortable and naturald) Inadequate lubrication
grasping. The tool can also be supported withe) Misuse of the tool.
the use of an auxiliary handle (optional
accessory) which can be swielled to a
comfortable position and locked in place.
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ACEC
