C4 Maintenance 17. C4 Maintenance Parts List
C Series Maintenance Manual Rev.2 171
Battery unit (Lithium battery) 1605912 R13N860011
(2 lithium batteries
for replacement)
12.1
Grease ***
Joint #1, #2, #3, #4
: SK-1A
− −
For purchasing
grease, please
contact the
supplier of your
region.
Joint #5, #6
− −
2.3, 9.2, 10.2
Cable
: GPL-224
− −
4.1
Oil seal
Grease seal
O ring
*** Regarding purchase of grease
Due to the chemicals regulations of individual countries (the UN GHS), we are requesting our
customers to purchase grease required for maintenance from the manufacturers listed in the table
below as of April 2015.
Regarding purchase of grease, please contact the following manufacturers. If there is anything
unclear, please contact the supplier of your region.
Harmonic Grease SK-1A
Harmonic Grease SK-2
Harmonic Drive Systems Inc. https://www.harmonicdrive.net/
Krytox®GPL-224 Chemours
https://www.chemours.com/en/brands-
and-products