Snap
‐
on
EEWH330A
Computer
Wheel
Balancer
The
optimum
balancing
optimization
condition
has
been
achieved
and
cannot
be
improved.
Reading
H2
Silent
wheel
running
cannot
be
improved.
However,
it
is
possible
to
achieve
weight
minimization
(readings
with
code
UN.).
Option1:
Weight
minimization.
Press
the
FINE
key
(3)
to
continue
the
program.
As
a
result
reading
is
II
‐
Un.7
or
Un.7–II
Option2:
Abort
optimization.
Press
the
STOP
key
(5)
to
exit
the
OP
program
and
return
to
the
balancing
program.
The
imbalance
on
the
wheel
is
shown
on
the
readout.
Balance
the
wheel
according
to
the
readings.
Weight
minimization
program
cycle.
If
the
rim
compensation
run
was
omitted
and
the
FINE
key
(3)
was
pressed
to
go
directly
into
the
minimization
program
(reading
Un.),
proceed
as
follows.
Clamp
the
wheel.
Position
the
valve
exactly
perpendicular
to
and
above
the
main
shaft.
Press
the
ENTER
key
(1)
to
acquire
the
valve
position.
Reading
Un.4
appears
(Fig.5
‐
34).Spin
the
wheel
(START).The
measuring
run
is
carried
out.
After
the
measuring
run
two
readings
are
possible:
Un.5
H1.
Further
minimization
is
not
recommended,
but
is
possible.
Un.5–I
(1Reference
mark
Fig.5
‐
35).
Continue
with
the
UN
program.
Reading
Un.5
‐
H1
I
fUn.5
‐
H1
appears,
further
minimization
is
not
recommended
since
the
measurement
values
do
not
exceed
the
limit
values.
However,
it
is
possible
to
continue
minimization
so
as
to
achieve
an
improvement,
if
only
slight
(e.g.:
for
critical
vehicles).
To
continue
minimization:
Proceed
as
indicated
for
readingUn.5
–I.
To
abort
minimization:
Press
the
STOP
key
(5
)
to
return
to
the
balancing
program
and
balance
the
wheel
according
to
the
readings.
Reading
Un.5
–I(1
Reference
mark
Fig.5
‐
35).
After
the
measuring
run
read
just
the
wheel
according
to
the
direction
indicator
and
make
a
chalk
mark
(Fig.
5
‐
36)
on
the
right
side
of
the
tire
exactly
perpendicular
to
and
above
the
main
shaft.
Readjust
the
tire
on
the
rim
so
that
the
mark
coincides
with
the
valve
(use
the
tire
changer
Fig.5
‐
37).