Maintenance, Removal/replacement of flexible shaft and sheath – Foredom Series H User Manual
Page 8

7
A
F
B
C
D
E
Item Part No. Description
A&B 10804B
Shaft and Sheath Set
A
10802A
Flexible Sheath Assembly
(Includes Stop washer and Liner)
B
10805
Inner Flexible Shaft
C
10827
Stop Washer
D
10826
Motor Hub
E
114
Socket Set Screw
F
115
Hex Key
Casing Nut
Maintenance
Handpieces–No lubrication required. Remove any buildup of dirt, chips, dust or
other debris from collet seat or chuck.
Removal/Replacement of Flexible Shaft and Sheath–
(See illustration Above)
1. Disconnect power cord from motor to control and disconnect handpiece.
2. Unscrew the casing nut which holds sheath (A) to motor hub (D), note that
it has a left hand thread, and slide sheath off inner shaft.
3. Insert the hex key through access hole in motor hub. Loosen the socket set
screw (E) that holds the flexible shaft assembly (B) onto the motor shaft.
Remove flexible shaft assembly.
4. Install new flexible shaft assembly by inserting it fully onto the motor shaft and
tighten socket set screw.
5. Apply a light film of Foredom grease (10006) to new flexible shaft or the one
you have cleaned.
6. Make sure stop washer (C) is inserted into casing nut.
Connect flexible sheath
assembly (A) to motor hub and tighten.
7. Run motor without handpiece for one or two minutes, then turn off motor and
wipe off excess grease from tip of drive shaft. Re-connect handpiece per
instructions on page 5.
Never operate the motor with the outer sheath removed
from the flexible shaft.