Panasonic NV-SJ4140PN Service Manual page 36

5.3.1.1. Reassembly Notes
1. Alignment of Wiper Arm Unit and Drive Rack Unit
A. Slide the Drive Rack Unit to the far right as indicated by the
arrow.
B. Install the Wiper Arm Unit so that the hole on the Wiper Arm
Unit is aligned with the hole on the Drive Rack Unit.
Fig. K1-2
36