Windy Nation Windtura 750 (No Slip Ring version) User Manual
Page 9
9
Step
2:
Using
the
stainless
steel
bolts,
flat
washers
and
k-‐lock
nuts,
attach
the
blade
to
the
hub.
Refer
to
the
Step
2
in
Figure
1
above
to
see
the
proper
placement
of
the
bolt,
flat
washer
and
k-‐
lock
nut.
Note
the
k-‐lock
nut
is
on
the
back
side
of
the
hub
and
is
therefore
not
shown
in
the
picture.
Tighten
the
k-‐lock
nuts
to
9.0
lb-‐ft
(12.1
N·∙m).
Step
3:
Repeat
the
process
and
attach
the
two
other
blades
to
the
hub.
The
blades
are
now
mounted
to
the
hub.
Attach
Yaw
Bushing
to
Tower
Pipe:
Figure 2: Yaw bushing diagram
Step
1:
Run
the
three
wires
that
will
connect
to
the
Windtura
750
generator
head
up
through
your
1.5
inch
schedule
80
tower
pipe.
See
Step
1
of
Figure
2
above.
For
you
tower
wire,
use
12,
10
or
8
gauge
extension
cord
wire.
For
most
applications,
12
or
10
gauge
extension
cord
wire
is
sufficient.
For
wires
runs
of
more
than
150
feet,
8
gauge
extension
cord
wire
should
be
used.
Step
2:
Insert
the
yaw
bushing
into
the
1.5
inch
schedule
80
steel
tower
pipe
as
shown
in
Step
2
of
Figure
2.
Step
3:
Slide
the
included
PVC
pipe
over
the
yaw
bushing.
Place
a
piece
of
wood
over
the
PVC
pipe
and
pound
the
yaw
bushing
into
the
tower
pipe.
See
Step
3
of
Figure
2
above.
Note
that
the
PVC
pipe
is
only
used
to
help
you
pound
in
the
yaw
bushing.
Step
4:
Pound
the
bushing
into
the
1.5
inch
schedule
80
tower
pipe
until
the
lip
of
the
bushing
rests
on
the
top
of
the
tower.
See
Step
4
of
Figure
2.
Important note on extension cord tower wire:
Only remove the plastic insulation that covers
the three wires inside the extension cord when you need to expose the wires to make the