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7-32
GROUP 7-
AUTOMATIC TRANSMISSION
(?)OUTLET
FIG. 36- Pump
piston and piston guide
.
Carefully
remove the three sealing rings from
the reverse sun gear shaft.
To Reassemble:
Thoroughly clean and inspect all
parts, paying particular attention
to the needle race which supports
the forward sun gear shaft.
Re-
place the rubber seals around the
periphery of the piston and piston
guide.
Position the piston, using
Tool No. B.W. 41
(Fig.
39), spring
and spring seat, fit the clutch spring
compressor tool and, using a press,
compress the spring until the cir-
clip groove on the piston guide is
uncovered
.
Refit the
circlip,
en-
suring that it is seated correctly in
the
groove.
Release the press and
remove the clutch spring compres-
sor.
Rerlace the clutch plates,
externall
y
splined plate first. and
then alternating internally and ex-
ternally splined plates, ending with
the thick externally splincd spacer
plate (Fig. 40). Note that the outer
splined plates for the rear clutch
are dished, whereas the front clutch
plates are flat. These dished plates
can be fitted so that the dishing is
TORQUE
CONVERTER
SUPPORT
FIG. 37- Refitting Front
Clutch Plates
either
towards
or away
from the
piston,
but
they
must all face
the
same
way.
Secure the clutch
plates with the large circlip.
Slide
one
.needle
thrust race
onto
the
forward
end of the forward
sun
gear shaft and seat
on the
front
face of the forward
sun
gear.
Pass
the' forward sun gear shaft
through
the centre of
the rear
clutch
assem-
SEALING RING
bly, so
sandwiching
the
thrust
race
between the
rear face of
the
re-
verse sun gear and
the front
face
of
the
forward
sun
gear.
Replace
the three sealing rings in the
ap-
propriate
grooves.
Replace
the
needle thrust
race
on
the rear
of
the
forward sun gear shaft.
Fit
the steel
washer
to the
shaft, after
the thrust race, with
the lip towards
the
rear.
CIRCLIP
s::::
:
~
.
~ ~ ~
r!:
CLUTCH
~
:
;I
SPRING
~
COMPRE
SS
OR
~·
1
TOOL
"-!_../
NO.
BW.
l7A
FIG. 38 -
Dismantling
Rear Clutch
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