Keys Fitness KF-R2.0 Owner's Manual page 7

B
Use Tool
6mm
N3
N7
N2
ASSEMBLY FOR REAR STABILIZER
Secure the rear stabilizer (D) to the rear main
frame (B) using 2 allen screws (N7), 2 spring
washers (N2) and 2 flat washers (N3).
D
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1
Note:
Front stabilizer (C) is very similar to rear
stabilizer (D) but contains transport wheels.
Make sure not to get them mixed up.
Assembly 7