Burs and other accessories can be inserted or removed
from the handpiece collet when the collet is open.
As
shown, there are
2 DOTS
on the metal ring – one
will line up with the Unlock symbol and the other
dot will line up with the Lock symbol when you
twist the front of the handpiece.
TO OPEN THE COLLET:
1. Turn off the motor.
2. Twist the Front of Handpiece
by turning as shown below until it
clicks
so that one of the the
dots on the metal ring lines up
with Unlock Symbol
.
CAUTION Never run the handpiece when the collet
is open or in the intermediate position. The spindle
is in the locked position and will not turn. This will
damage the motor.
3.
Remove the accessory and
replace with another. Insert the
accessory shank fully into the
collet for maximum support
4. To Lock: Twist
the Front of the
Handpiece
by
turning as shown
above until it clicks
so that the other dot
on metal ring
lines up with the
Lock Symbol
. The
accessory and collet will be able to spin freely.
Nosecone
Wrench
Collet
Wrench
Collet Wrenches
The handpiece comes with an open-end wrench, (Nosecone Wrench)
and a wrench with a triangular-shaped hole which fits over the collet,
(Collet Wrench). The Nosecone Wrench is used to tighten the nosecone,
and is also used with the collet wrench to remove the collet.
Accessory
Unlock
i
h
Dot
Dot
Lock
Unlock
i
h
Dot
Dot
Lock
Unlock
CHANGING ACCESSORIES
H.MH-140 Micromotor Handpiece
This Handpiece is intended for fine finishing and detailing work. If the handpiece is misused or abused, it
will not be covered under warranty.
Avoid turning the front portion of the handpiece so far that it unscrews.
If this occurs put it in the Unlock position and tighten it.
Dot on metal ring lines up with Lock Symbol
for closed collet
Bur or Accessory
should always
be in the
collet
For maximum
speed with a foot
pedal, turn the dial
speed control to
the 'MAX' setting.
CAUTION:
Never run the handpiece
when the collet is open or in the
intermediate position. The spindle is
locked and will not turn. This will damage
the motor.
Unlock Lock
Open Closed
NOTE:
There are
2 DOTS
on the metal ring
– one will line up with the Unlock symbol and
the other dot will line up with the Lock symbol
when you twist the front of the handpiece.
Operating the handpiece with the collet in the
open or Unlock position or with no bur or
bit in it CAN CAUSE SE VERE DAMAGE TO THE
MOTOR.
