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ELECTRICAL CONNECTORS
The electrical connectors must be disconnected as follows.
Failure to follow these procedures will irreparably dam-
age the connector and wiring.
♦ Press in the click tab.
CAUTION
Do not pull the cables to disconnect the two connec-
tors.
♦ Grasp the two connectors and disconnect them by
pulling in opposite directions.
♦ If dirt, rust, dust, or moisture is seen on the connector,
blow out the connector with air.
♦ Make sure that the cables are correctly crimped to the
terminals positioned inside the connectors.
NOTE
The two halves of the connector fit together
properly in only one orientation. Ensure that the connec-
tor is properly aligned before attempting to assemble it.
♦ Press the connectors firmly together, listening for the
typical "click" sound for those connectors provided with
a click tab. Ensure that both halves of the connectors
are firmly pressed together.
TIGHTENING TORQUES
The table below shows tightening torques for screws and
bolts with metric ISO threads, as is used in this vehicle.
These are general values to be used if no specific value
is given in this manual or other aprilia service literature.
Screw
Spanner
thread
M 4
7
M 5
8
M 6
10
M 8
12
M 10
14
M 12
17
M 14
19
M 16
22
For specific fasteners, see p. 11 (TIGHTENING TOR-
QUES FOR SPECIFIC FASTENERS). If not otherwise
indicated, the tightening torques shown should be used
for clean and dry threads, at room temperature.
NOTE
To avoid damage to the threads, tighten screws
and bolts as follows:
♦ Run up the fasteners finger tight.
♦ Applying half the prescribed tightening torque, tighten
the fasteners that are diametrically opposite each
other: (A) and (B); (C) and (D).
♦ Repeat applying the prescribed tightening torque.
NOTE
In this way the pressure exerted by the
fastening elements will be uniformly distributed on the
joint surface.
4
Tightening torques
ftlb
(Nm)
0.3
3
0.6
6
1.0
10
2.5
25
5.0
50
8.0
80
13.5
135
21.0
210
Release 00
2003-02
Scarabeo 50 I.E.-50/100 4T
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