Panasonic Lumix DMC-TZ37EC Service Manual page 42

2. Insert the 2nd Lens Frame Unit as the drawing below
indicated.
*Align the mark of the 2nd Lens Frame Unit with the
one of the Straight Frame Unit, then put the each Cam
Pin of the 2nd Lens Frame Unit in the each Groove of the
Straight Frame Unit.
3. While pushing the 3rd Lens Frame Unit and the 2nd Lens
Frame Unit, turn the Straight Frame Unit in the arrow
direction to the end.(about 30 degree)
*Need to confirm that the two Lens Frames move
smoothly when the Straight Frame Unit rotates in two
directions.
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