Kettler R-400 ROWER 7976-300 Assembly & User Manual page 8

Step 3
1.
Insert the Seat (K-1) onto the Seat Rail (M-L , M-R).
Step 4
1.
Fix the Pedal with Strap (J-3 & J-5) to the Pedal Support ( J ) by
J-5
J
J-3 I-3
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Screws (I-3).
?