Olivetti CMS 140 B euro, Service Manual, Page: 24 / 55

3-4 Service Manual 686770R
3.2 MAINTENANCE
To prevent potential trouble, make sure cleaning and
inspection is carried out according to the points de-
scribed in the following subsections, depending on the
environment in which the printer is used.
3.2.1 CLEANING
Eliminating dirt or stains
Wipe off soiled areas using alcohol or benzene.
Eliminating dust, scraps, and other foreign particles
Use a vacuum cleaner to carefully draw out all foreign
particles from every area of the printer.
NOTES:
Never use thinner, tricholyene, or ketone solvent as
they may deteriorate or damage plastic parts. Check
the lubricant remaining in each cleaned area and
perform lubrication as required (see Subsection 3.3.2,
Lubrication Points).
3.2.2 INSPECTION
Check the printer to see if it is being operated properly
and if it is being maintained in optimum condition. If
any unsatisfactory points are discovered, they should
be remedied. In particular:
• Make sure that the ink roller is securely installed
in the carriage.
• Make sure that the ink roller in use conforms to the
specifications. Check the ink roller for damage,
and replace it if it is affecting print quality.
3.3 LUBRICATION
3.3.1 LUBRICANT TYPES
The types of oil used greatly influence the perform-
ance and durability of the printer, especially at low
temperatures.
3.3.2 LUBRICATION POINTS
No. Lubrication Point Oil Type
(1) Contact point between selective gear assembly and trigger plate O-3
(2) Contact point between print shaft and frame (2 points) O-3
(3) Outer surface of print shaft O-3
(4) Outer surface of print wheel shaft O-3
(5) Contact point between print cam and hammer spring O-3
(6) Contact point between print cam and the positioning plate O-3
(7) Contact point between positioning shaft, frame, and return lever (3 points) O-3
(8) Contact point between reduction gear and the E-ring O-3
(9) contact point between selective drive gear and reduction gear O-3
(10) Contact point between selective pawl and print changeover cam O-3
3.3.3 LIST OF LUBRICANTS
Item Designation Volume
Oil O-3 40 gm
Grease G-34 40 gm