Keys Fitness 1550 Owner's Manual page 15

Assembly
Step 6
Slide Long Foam Tube (11) into the hole towards the lower part of the Main Upright (2).
Slide the Shaft (44) into top of the Leg Extension Lever (8). Attach Leg Extension Lever (8) to Seat Pad
Support Receptacle (1) and secure using one Washer (46), one Spring Washer (47), and one Allen Bolt (48).
Slide Foam Frame w/ Shaft (12) through the Leg Extension Lever (8) and attach the Foam Frame w/o Shaft
(13) to the other side. Insert the Slip Tension Pin (38) through the hole where the two foam frames meet.
Note: You may need to use a rubber mallet to install Slip Tension Pin (38).
Figure 6
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