Panasonic PV-D4733S-K Service Manual page 154

2. Installation of Holder Unit
A. Turn the Wiper Arm Unit so that the grooves on each end are
aligned with the each groove on Side Plate L and R.
B. Insert Holder Unit boss (A) and (B) into the grooves as shown in
Fig. K1-1.
C. Finally, in the EJECT Position, confirm that the protrudence on the
Wiper Arm Unit is aligned with the indentation on the Drive Rack
Unit.
Fig. K1-3
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