Lombardini CHD series - Main Bearing Installation; Center main bearings; Main bearing caps timing side - flywheel side

- 42 - Workshop Manual LDW CHD _ cod. 1.5302.345 - 6° ed_rev. 05
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Main bearing caps timing side - ywheel side
When retting rear ywheel side main bearing cap 1, replace
the rubber gaskets 2 considering that A and B should protrude
0.5÷1.0 mm from the crankase; cut any excess portion.
Follow the same procedure for the timing side main bearing cap.
To introduce the supports complete with silicone rubber seals 2
into the crankcase place two plates C and D measuring 0.1 mm
in thickness between the surfaces.
 Tighten the screws to 120 Nm.
The main bearing, the crankshaft bearing and the thrust washers
have been unied as from engine serial number 7306062 for
LDW1503, from serial number 7303552 for LDW 2004 and from
serial number 7305782 for LDW 2004/T.
Pre-andpost-modicationsinglepartsarenotinterchangeable.
Disassembly / Reassembly
Center main bearings
The main bearing caps and the crankcase have reference holes
marked on them (one, two or three).
Important
In the assembly stage make sure that the number of holes on
the bearings matches those on the crankcase and that they
are on the same side.
The main bearing, the crankshaft bearing and the thrust washers
have been unied as from engine serial number 7306062 for
LDW1503, from serial number 7303552 for LDW 2004 and from
serial number 7305782 for LDW 2004/T.
Pre-andpost-modicationsinglepartsarenotinterchangeable.