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Fig. 3-18.
Removin
g
the
O-ring
3. Fit a
new
O-ring.
VOLVO
1030
19
Lubricate the
O-rin
g and
the hole with mineral
oil or similar.
The
O-ring
should be replaced each
tim
e
the alter-
nator has
been
dismantled.
ASSEMBLlNG THE ALTERNATOR
1. Fit the stator and
the
diode holders
In
the slip
ring end shield. (Do not forget the isolation
washers for the positive diode holder). Fit the
nuts and washers on the negative diode holder
screws.
2. Press the rotor into the drive
end
shield. Fit the
three screws for the drive bearing support plate.
3. Fit together the rotor and stator sections.
4. Fit the attaching screws. Tightening
torque
0.28-
0:30 kpm (2.0-2.2 Ib.ft.)
5. Fit the plastic tube and isolation washers on the
screws on which
the
isolation diode is to be moun
-
ted.
Fit
the isolation diode, put on the nuts
and
washers. Fit
the
brush holder.
Fig. 3-19.
Checkin
g the alternator
6. Fit
the
spacer
washer, key,
fan,
pulley,
washer
and nut.
Tighten
in
g
torque
4
kpm
(29.0 Ib.ft.).
7.
Connect a test lamp between B
+
and the
a lter-
nator
frame.
Swik
h
the
termi'nals.
The
lamp should
light only in one direction,
see .fig. 3-19. Af
ter
any
repairs, the alternator
should
be test-run in a
test
bench.
FITTING THE ALTERNATOR
1. Place the
al~
t ernator
in position while fitting on the
fan belt at the same time.
2. Fit the attaching bolts and tensioning iron without
tightening up the bolts. Adjust the belt tension and
secure the alternator. (The belt tension is correct
when the beH is pressed in between the alternator
pulley and water pump pulley 10 mm (approx.
3/8") using a force of 7-9 kp (15-20 Ib.).
N.B. Force may only be
applr
ied
,
t o
the
nront
end
of the
alternai
t or when adjusting the belt tension
.
Fit the leads to the alternator.
4. Fiit
the bottery
I'
e ad.
3:7
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