3
96
8
9
11
10
1
2
1
ENGINE CHECKS AND ASSEMBLY
Check the bearings 9 supporting the booster are
efficient, without seizing during operation or ex-
cessive play, once the assembly has been cleaned
and descaled. Otherwise replace.
Check pins 10, 11 and their seats are not abnor-
mally worn. Otherwise replace the worn parts.
Descale all passages involving the exhaust. Strict-
ly avoid the use of abrasives.
3.12.5 EXHAUST VALVE
UNIT ASSEMBLY
Insert the valve 1 in its seat with the back facing
upwards.
Insert pin 2 while holding valve 1 in position.
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