Volvo Penta QL Boat Trim System Instructions D'utilisation Et D'installation page 11

Drill the remaining holes as marked on the transom.
Note! The hole dimensions as specified on the templates
(except for the grommet hole), only refer to glass-fibre
reinforced plastic hulls. Eight holes diameter 5.5 mm and
two holes 3.2 mm for the 300 mm interceptor and twelve
holes 5.5 mm and two holes 3.2 mm for the 450 mm
interceptor. Drill depth 20 mm. The hole dimensions are
determined to fit the acid resistant stainless steel screws
as supplied in the delivery.
Note! No other screws nor other hole dimensions are
accepted.
For aluminium or steel hulls, other fasteners e.g. machine
screws, washers and nuts may be required, however not
included in the delivery. Note! For the grommet moun-
ting, screw head must not exceed the height of
2.5 mm and the diameter of 5.5 mm.
Note! All through hull holes must be carefully sealed!
Push the 4-pole cable (the end with only the plug socket,
i.e. without the grommet) from outside of transom, th-
rough the center hole and alternately pull/push the entire
length through the transom, however leaving the grom-
met approx. 50 mm out from the transom. Note! Check
that the grommet easily slides on the cable casing. If not,
drip some soapy water into the grommet sleeve that
surrounds the cable casing and recheck. See fig 16.
Fig. 16
Press the grommet into the transom hole and check that
the grommet flange ends up flush to the transom. There
should not be any gap between the flange and the
transom surfaces. Now pull out the grommet. If gap was
noticed, slightly shape the edge of the hole as shown in
figure 17, using a fine round file or grinding paper. Be
careful not to damage the drilled holes for the grommet
screws. Now recheck whether the grommet ends up flush
to the transom. If there still is a gap, continue to shape the
edge until the gap is gone.Turn the grommet so that the
marking "UP" will be directed upwards and twist the ca-
ble so that the 4-pole plug will fit into the grommet . See
fig. 18.
Fig. 17
Now apply marine sealant (see sealant specification) on
the grommet flange (flange towards the transom), see fig.
18, and push/pull the grommet into the hole. Press it
towards the transom, and adjust it so the two flange holes
fit to the pre-drilled holes in the transom. Screw up the
grommet (use the two small screws as supplied) and
tighten. Use a Phillips head screwdriver, tighten by hand
and make sure the grommet ends up flush to the transom
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surface. Note! Do not use any pneumatic or electric tools
that can cause over-tightening. Remove any residual
sealant before it's hardened. Push the cable from inside,
so that the plug reaches approx 50 mm out from the
.
grommet. See fig. 20
Fig. 18
The interceptor unit is equipped with an integrated gas-
ket, part of the front cover, which seals towards the tran-
som surface, thus avoiding water spray between the in-
terceptor unit and the transom. Once the grommet has
been installed as specified, check that the interceptor
unit fits properly. Press the 4-pole plug into the
corresponding socket in the interceptor neck. See to
that the plug reaches the bottom of the socket, a "click
sound" can be noticed.
Apply a thin layer of soapy water on the inside of the
grommet (use your finger). See fig.16. Move the
interceptor unit carefully towards the transom, so that
the neck enters into the grommet. It might be necessary
to pull the cable simultaneously from the inside of the
transom. Be sure the cable follows smoothly through
the grommet and that it does not twist inside the
grommet. Now check that the interceptor really ends up
flush to the transom, all around it's circumference. If not,
investigate what is hindering, and remedy. Recheck,
and when OK, dismount the interceptor from the
transom, but keep the cable plug into the interceptor
socket.
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