Panasonic CRS1 Service Manual page 71

Step 1: Slide the UD rack L backwards, push the claw as
arrow shown.
Step 2: Slide the UD rack R as arrow shown until it stop.
Step 3: Press the claw as arrow shown.
Step 4: Push the claw as arrow shown, then turn the
trigger gear clockwise and remove it as arrows shown.
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CRS1