MAN-045 ING
8
4.
DISASSEMBLE THE CON-ROD WITH
WASHERS.
REPEAT THE OPERATIONS TO EXTRACT
THE CRANKPIN FROM THE OTHER HALF
CRANKSHAFT (see Fig.3).
BEFORE REASSEMBLING, WASH ALL PARTS WITH KEROSENE
a) CHECK STATUS OF CON-ROD (TOP
AND BOTTOM) .
IF OVALIZATION EXCEEDS 0.01mm,
REPLACE CON-ROD.
-CENTESIMAL MICROMETER (21/50)
-BORE GAUGE WITH CHECK RING Ø24 and Ø16
b) CHECK STATUS OF CRANKPIN.
VISUAL CHECK – REPLACE IF
NECESSARY BUT ALWAYS
AFTER MAX. 8 HRS WORKING .
c) CHECK STATUS OF ROLLER CAGE
(BIG END) VISUAL CHECK – REPLACE
IF NECESSARY BUT ALWAYS AFTER
MAX. 8 HRS WORKING.
d) CHECK STATUS OF CRANKSHAFT
HALVES.
REPLACE IF BEARING SEAT IS BELOW
0.03mm VS NEW.
FOLLOW ATTACHED TABLE FOR MATCHING PLAYS
Fi
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