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Fig. 5-63.
Co
nne ctin
g the
ventin
g u
ni
t
4. Fit
on the
container a cap specially
used
when
venting,
see Fig. 5-63. Connect the
venting
unit
according to
the instructions of
the
manufacturer.
The working pressure is
2
kg/
cm
2
(28.4
Ib/sq.in.).
The
type of venting unit which may be used is
shown in
Fig. 5-5.
5. Venting
shou
ld
take place in the order
shown
In
Fig. 5-64.
Note
that the venting
nipp le should
be
opened max.
half
a turn
in
order to
prevent a ir
from
sneaking in
via the threads of the nipple.
7
Fig. 5-64.
Venting diagram
5:
26
5
VO LVO
103199
Fig. 5-65.
Vent ing the front wheel brake un it
VOLVO
103 265
When venting remove the
protective
cap and fit
the
venting
tool SVO
2740.
See Figs. 5-65 and
5-66.
Let the
other end of the hose hang down into a
collecting
vessel.
Open the venting nipple and
have
someone carefully depress the
brake
pedal.
Close
the
nipple when brake fluid free from air
bubbles flows
out.
Make
sure there is
no leakage
between the nipple
and the
tool,
as
this
can give
rise to misleading
results.
Fig. 5-66.
Venting the left rear wheel brake unit
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