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THE ENGINE
Aa
A6746B
Aa.9
3____
Fig. Aa.19
The converter output (1), idler (2), and input gear (3)
with their respective thrust washers and shims
(40) Discard the converter housing joint washer used
during the idler and input gear adjustment opera-
tions. Refit the converter housing with a new joint
washer, remove the pilot bars of Service tool
18G 1043 and tighten the securing nuts and set
screws to the torque figures given in 'GENERAL
DATA'.
(41) Refit the input gear shaft nut and tighten to the
correct torque figure (see 'GENERAL DATA)',
using Service tools 180 1088 and 180592.
(42) Remove each pair of bolts in turn from the con-
verter and fit new locking plates. Tighten the bolts
to the torque figure given in 'GENERAL DATA',
and tap up the locking tabs.
NOTE.-Do not remove all six screws from the con-
verter centre at one time.
(43) Lubricate the converter oil seal and refit the con-
verter. Refit the washer (offset pegs) and the centre
bolt with its lock washer. Tighten the bolt to the
correct torque figure (see 'GENERAL DATA')
with Service tools 180 587 and 180 592 and lock
up the lock washer.
(44) Refit the low pressure valve and gasket.
(45) Refit the gear selector bell-crank lever, clevis pin,
and rubber boot.
(46) Refit the converter cover, the starter motor, and
the rear engine mounting.
(47) For refitting the engine and transmission to the
car (see Section Aa.3).
EXHAUST SYSTEM
Removing
(1) Slacken the exhaust pipe to manifold clamp.
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Section Aa.5
Fig. Aa.18
Measuring the adaptor assembly
1. Service tool 18G 1089/1.
2. Wax washer.
3. Service tool18G 1089 A.
'GENERAL DATA'. The input shaft nut must
not be fitted.
(35) Remove the converter housing and withdraw the
adaptor assembly 18G 1089 A, wax washer, and
180 1089/1. Substitute this complete assembly for
the input gear on the surface plate (see Fig. Aa.18).
(36) Use the dial test indicator gauge, Service tool
18G 191, and measure the thickness of this assem-
bly (see Fig. Aa.18). The mean reading obtained
indicates the total thickness of shims required to
eliminate end-float. To this figure add shims to the
value of ·001 to ·003 in. ('025 to ·076 mm.) to give
the required input bearing preload.
Input gear adjustment shims
·003 in. (,076 mm.).
·012 in. (,305 mm.).
(37) Measure the thickness of the idler gear thrust
washer plus the thickness of the Service tool
18G 1089 and its dental wax washer. From this
figure subtract ·004 to ·007 in. ('102 to ·178 mm.)
to give the total thickness of the thrust washers
to be fitted to provide the correct idler gear end-
float.
•
Idler gear thrust washers
·132 to ·133 in. (3'35 to 3·37 mm.)
·134 to ·135 in. (3'40 to 3·42 mm.)
·136 to ·137 in. (3'45 to 3'47 mm.)
·138 to ·139 in. (3,50 to 3'53 mm.)
(38) (a) Fit the required thickness of shims as calcu-
lated in item (36) onto the outside of the input
gear (see Fig. Aa.19).
(b)
Fit one washer on each side of the idler gear
•
'
(see Fig. Aa.19) as calculated in item (37).
, Refitting
(39) Refit and align the converter outlet pipe.
MINI. Issue 2.
16208
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