Keys Fitness KF-HC Owner's Manual page 8

Assembly
NOTE: Hand tighten bolts and nylon nuts until machine is fully assembled.
STEP 3
Connect Lower Cross Frame (4) and Upper Cross Frame
(5) to Left and Right Rear Supports from using Bolts (13),
Washers (11) and Nylon Lock Nuts (12). NOTE: T -
WO PEO
.
PLE WILL BE NEEDED TO SAFELY COMPLETE THIS STEP
8