Epson C8 Series, Manipulator Manual, Page: 343 / 346

Maintenance 17. Maintenance Parts List
C8 Rev.13 329
* Reduction Gear Unit: A reduction gear unit consists of the following three parts. When replacing the
reduction gear unit, be sure to replace these parts all together as a set.
Waveform generator
The waveform generator consists of an ellipsoidal
cam and ball bearings on outer circumference.
The inner ring of the bearings is secured to the cam,
while the outer ring is capable of flexible
deformation through the ball bearings.
Circular spline
Flexspline
Waveform generator
Flexspline
A thin, elastic, hat-shaped metal body with gear
teeth around the outer circumference of the opening.
Circular spline
A rigid, ring-shaped body with gear teeth on the
inner circumference.
The circular spline has two more teeth than the
flexspline does.
The splines are greased. Be sure to keep the grease from being attaching to the clothes.
Name Code Note
Reference in
Maintenance
Grease **
Joints #1, #2, #3, #4, #5
: SK-1A
-
For purchasing grease,
liquid gasket, and adhesive,
please contact the supplier
of your region.
2.3,
5.1.2, 5.2.2,
7.2, 8.2, 9.2
Joint #6, Bevel gear
: SK-2
- 2.3, 10.2
Cable
: GPL-224
- 4
Liquid gasket **
For protection model
: 1207B
- 3
Adhesive LOCTITE641 - 8.2, 9.2
Grease-up kit 1674592
Set of grease gun, nipple, an
extension tool
2.3
Grease plug 1656158 2.3
** Regarding purchase of grease, liquid gasket and adhesive
Due to the chemicals regulations of individual countries (the UN GHS), we are requesting our customers to
purchase grease and other materials required for maintenance from the manufacturers listed in the table below
as of April 2015.
Regarding purchase of grease and other materials, please contact the following manufacturers. If there is
anything unclear, please contact
the supplier of your region
.
Product name Manufacturer URL
Harmonic Grease SK-1A
Harmonic Grease SK-2
Harmonic Drive Systems
Inc.
http://www.harmonicdrive.net/
Krytox®GPL-224 DuPont
http://www2.dupont.com/Our_Company/en_US/wor
ldwide/us_country.html
1207B ThreeBond Co.,Ltd http://www.threebond.com
LOCTITE641 LOCTITE http://loctite.com/