Razor ScreamMachine User Manual
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Figure 3a. The wheel on the right is the wheel with the power coupler.
Notice the blue residue on the axle threads. This is a non-hardening
thread-locking “glue” designed to prevent the axle from vibrating loose.
You will install the wheel with the power coupler on to the drive-side of
the Electric Scream Machine. The coupler is shown in Figure 3b.
Figure 3b. The power coupler.
Using a 6mm Allen key, thread the axle into the frame and tighten until
the power coupling is about to engage with the mating part of the wheel
(Figure 3c).
Figure 3c.
Figure 3d.
Align the power coupling
Make sure the coupling is full engaged
and tighten until the axle is tight
as shown.
against the frame.
Carefully align the coupling as shown and, while holding the wheel to
maintain this alignment, tighten completely and firmly until the axle is
tight against the frame and so the coupling is completely engaged as
shown in Figure 3d.
Flip the Electric Scream Machine right-side up to prepare to install the