L1800 Revision A
Maintenance Overview 141
Confidential
5.1.3.1 Lubrication of Carriage Shaft
1. Fit the Carriage Unit onto the Carriage Shaft, and move it to the center of the
Shaft.
2. Using a syringe, lubricate the holes (2 places) at both ends of the Carriage Unit
rear side with grease.
Figure 5-19. Lubricating the Carriage Shaft (1)
3. Hold the Carriage Unit, and while turning the Carriage Shaft clockwise and
counterclockwise, move the Carriage Unit to spread the grease evenly.
Figure 5-20. Lubricating the Carriage Shaft (2)
4. Move the Carriage Unit to the right end of the Carriage Shaft viewing the Unit
from the rear, and lubricate grease with the syringe at the point shown in refer to
Figure 5-21.
Figure 5-21. Lubricating the Carriage Shaft (3)
In the following step, do not bring the needle of a syringe into
contact with the Carriage Shaft.
Lubrication Type Lubrication Amount
G-71 140mg ± 10mg x 2 points
Holes
Carriage Shaft
Carriage Unit
Lubrication Type Lubrication Amount
G-71 140mg ± 10mg x 2 points