Always make sure your power
tool is unplugged when you do
maintenance procedures!
Replacement of
Worn Shafts and Sheaths
Shafts and sheaths last longer when they
are not used at sharp angles or loops, since
wear occurs at the points of greatest friction.
There is no way to avoid ultimate wear, and
under normal conditions a flexible shaft
machine may require several replacement
shafts and sheaths during
its lifetime.
To expose the inner
shaft follow steps
1, 2, and 3 on the
motor
previous page.
connector
Next, remove the
motor connector
with 1" open end
or adjustable wrench.
The Motor Connector has a left hand
thread and must be turned clockwise
(right) to remove it.
Installation of New Shaft
1. After removing old shaft, loosen set
screw on the new flexible shaft motor
coupling and slide coupling onto motor
shaft.
set
2. Tighten set
screw
screw securely
onto the flat of the
motor shaft.
3. Grease shaft
prior to putting
on the sheath.
(See lubrication
instructions on
page 6.)
4. Slide motor
connector back
up over the shaft and tighten to the left
(counterclockwise).
5. Slide sheath over flexible shaft with plain
fitting directed toward the motor and into
the motor connector. (Each end of the
sheath has a metal fitting. One is plain, the
other has a groove around it to fit
the handpiece.)
6. Adjust the shaft (page 4 and 6) and
tighten sheath set screw in the motor
connector.
Videos on on Foredom flex shaft
set-up, maintenance and operation
at: www.foredom.net
Shaft and Sheath Adjustment
Place the entire unit on a flat surface with
shaft and sheath extended straight.
Adjust the
exposed tip
of the flexible
shaft at the
handpiece
end so that it
extends 3/4"
(19mm) beyond the sheath.
This is done by moving the sheath in or
out of the motor connector. When the
correct adjustment is made, tighten the
screw in the motor connector.
Replacement of Motor Brushes
Motor brushes should be checked for
wear periodically. When new they are
approximately 3/4" (19mm) long. Replace
them when they have worn to 1/4"
(6mm). To remove brushes, disconnect
motor
motor
shaft
motor power cord and unscrew the brush
coupling
caps. Remove the worn motor brushes,
replace with new motor brushes, and
screw motor brush caps back on. Be sure
to replace both motor brushes even if one
of them is less worn than the other.
New
Motor Brush
IMPORTANT!
Motor Brush
that needs
replacement
7
Recommended
Spare Parts & Supplies
For 1/6 HP Series SR, SRB and SRM
(115V & 230V)
MSMK-10 Maintenance Kit
•
which contains:
Flexible shaft (S-93)
Pair of motor brushes (MP132P)
Foredom flexible shaft grease
(MS10006)
Owner's Manual
Individual Parts
Pair of motor brushes (MP132P)
•
Flexible shaft (S-93)
•
Outer sheath (S-77)
•
Neoprene sheath (S-77N)
•
Foredom flexible shaft grease
•
(MS10006)
Motor Connector (UA111P)
•
Videos on shaft and sheath
maintenance at: www.foredom.net