Lotus TURBO ESPRIT Service Manual page 198

Page 50 B
SECTION EA
ii)
On a l l unmodified engines up to No.
20793,
remove the main
bearing shells from the main bearing panel.
(M.B .P .)
and modify
the panel a t No.5 (rear) bearing as shown i n the diagram.
Using a very fine needle file, carefully form a small chamfer
on the right hand corner of the bearing 'cap' from the centre
to the rear edge, until $e width of the chamfer i s
1
-
1
.5mm
and i s approximately
45
to.the ioint face. iuke care not to
mark any other
M.B.P.
face with the file.
Thoroughly clean a l l swal-F from the panel.
/'
No.
5
Main Bearing
Notch in Shell
i i i )
On reassembly, ensure that the correct notched shell i s fitted
to No.5 (rear).main bearing i n the
prier
Part Numbers for the notched bearing shell (ONLY fifted to
No
.5 bearing
LOWER
half) are as follows:
APR 1987
(Std
I D
Std
O/D
(
-
0 .Ol Ol'
I/D
( - 0.020" 1/D
( Std I/D
A91 2E1990S
+
0.015" O/D
( - O.Ol0l1 l/D
A91 2
E l
991 S
( - 0.020"
I/D
A912El992S
.