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360
FIAT· 850 PASSENGER CARS
Fig. 581 - Tightening diagram for pump body retaining screws.
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Fig. 579 - Centralising the oil pump.
1. Oil
pump centraliser
tool A. 70145. - 2. Pump body.
Place transmission outer casing as shown in
fig. 576 and proceed as follows:
lubricate ring seal for torque converter sup-
port with GIfM oil and slide it onto the support;
- replace torque converter support on trans-
mission casing using a suitable press (fig. 576);
- lubricate seal (3,
fig.
577)
with
engine oil
and slide in position on torque converter support;
- fit retainer plate (4, fig. 585), tightening the
two nuts to 1O.85±l.08 fLlbs. (1.5±O.15 kgm) fold-
ing plate tabs upwards.
Then assemble the gear pump as described
below:
Fig. 580 - Fitting pump oil seal.
1. Service tool A. 70142 for pump seal
fitting. -
2. Pump body.
- place transmission casing with torque converter
side facing upwards;
- thoroughly clean pump seating, pump body
and the two gears;
- oil the two gears and position them in pump
body (fig. 578);
check gear rotation using special tool A. 70144;
- lubricate and fit ring seal on pump body;
- place transmission casing horizontally (cover
facing upwards) making sure that the ring seal is
not unseated during assembly;
- as soon as the pump is in contact with the
casing. return the latter in its original position and
drive in two screws, together with new lock washers,
without tightening them;
- insert service tool A. 70105 (fig. 579) to cen-
tralise the pump and fit the three remaining screws
with new lock-washers;
Fig. 582 • Fitting the dust cover.
1. Torque converter support.• 2. Dust cover.
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