Foredom Series SR - Manual (Page 13)

13
Exposing the Inner Shaft
1. Remove
handpiece
(see page 5).
2. Loosen set
screw on motor
connector.
3. Slide outer
sheath out of
motor connector
and wipe
shaft clean.
4. Apply a very
light coating of
lubrication to shaft
starting at the top
and working
downward to
about one inch from the handpiece end. Apply
grease with your finger tip or small brush. Don’t
overdo, apply a light film of grease. Once the
machine is running, the shaft itself will spread the
grease. If too much grease is applied, the excess
will work its way into the handpiece and eventual-
ly seep out between the handpiece and sheath.
For this reason, apply a bit less near the hand-
piece end of the shaft.
Never operate the motor with the outer
sheath removed from the flexible shaft.
5. Replace and adjust sheath so that shaft key tip
extends 3/4 ″ (19mm) from sheath. Retighten the
set screw in motor connector. See page 5, No. 2.
6. Clean outside of sheath by wiping with
a cloth.
7. Hang motor over a trash can and run it for
about 10 minutes before attaching the hand-
piece. This provides enough time for the grease
to warm up,
spread and drain
off. Wipe off any
excess grease at
tip end of sheath.
8. Re-attach
handpiece. See page 5.
IMPORTANT!
Maintenance Procedures
Always make sure your power tool
is unplugged during maintenance
procedures!
It is very important to routinely clean your
Foredom
® Power Tool and lubricate the shaft
(NOT the motor), especially in areas that
generate a lot of dust.
Dirt and improper lubrication are the most
common causes of poor operation and
excessive wear.
Always disconnect power tool before
cleaning or servicing.
Note: The motor has permanently
lubricated ball bearings and does
not require additional lubrication.
Routine Cleaning of Motors
Foredom Motors
need air circulation
through the motor
housing to remove
waste heat and cool
the windings. Inlet
and outlet slots
provide the means for air flow. However, saw dust
and conductive debris (like metal filings or gold
dust) can enter in through these slots. If not
cleaned regularly, dust can collect, making a
bridge between parts, causing an electrical short.
In high dust environments, Foredom
recommends cleaning the motor every
40 hours of use.
To remove dirt and dust buildup, motor brushes
should be removed, cleaned and replaced, and air
should be blown through the motor.
Routine Cleaning and
Lubrication of Flexible Inner Shaft
The shaft should be checked, wiped clean, and
relubricated with grease every 50 hours of use.
With every 200 hours of use, the shaft should be
thoroughly cleaned with solvent and lubricated.
Use Foredom flex shaft grease (p/n MS10006)
or high quality white lubricating grease.
Be sure to watch shaft and sheath
maintenance videos on www.foredom.net