Keys Fitness KPS-1800 - Manual (Page 11)

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ASSEMBLY
STEP 8
Connect Leg Extension Lever (10) to Seat Pad Support Receptacle
(8) using:
2 x (60) Semi-Ball End Cap 2 x (104) Nylon Lock Nut
1 x (57) Shaft for Leg Extension 2 x (59) Concave Washer
2 x (58) Bushing for Leg Ext.
Attach Foam Frame w/Shaft (11) and Foam Frame w/o Shaft (12) to
Leg Extension Lever (10) and secure with Slip Tension Pin (101).