Kettler 7136-000-500 - Manual (Page 10)

Step 4
Assembly
Install locking wheels.
The grooves of wheels should face inward.
Again, do not over torque; wheels should roll smoothly.
Push down foot lock to lock the wheels.Install non-locking
wheels on both wheelbase assemblies.
A C
D E
2 Required
m8x110
8 Required
dia 16x8
2 Required
m8
10
B