Lombardini LDW 502, Руководство по обслуживанию

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service manual
mod. 051135
7
D
D
E
E
C
E
C
E
C
C
G
F
H
L
M
H1
H2
7.5.2 Assembling the crankshaft
1 - Mount the half-bearings (C) and the
standard shoulder half-rings (E) (flywheel
side).
Important
– Follow the marks made during the
removal phase.
– The shoulder half-rings must be placed
with the lubrication grooves facing
outwards.
2 - Lubrificate the half-bearings (C), the
connecting rod big ends (D) and caps (F).
3 - Carefully lubricate the crankshaft main
journals and crank pins
.
4 - Assemble the crankshaft (G).
5 - Replace the connecting rod caps (F) and
put in the screws.
6 - Tighten the connecting rod cap screws
to a temporary torque of 25Nm.
7 - Tighten the connecting rod cap screws
to a final torque of 30Nm.
8 - Assemble the crankcase (see
“Assembling the crankcase”).
9 - Measure the axial clearance of the
crankshaft (see “Measuring crankshaft
axial clearance”).
7.5.3 Assembling the crankcase
Important
– Make sure that the contact surfaces and
related pins are perfectly intact and
clean.
– Make sure there are no foreign bodies
or residual material in the engine block
and crankcase.
1 - Mount the new gaskets (H1- H2) for the
engine block contact surface with the
crankcase.
2 - Replace the crankcase (H) and put in the
screws (L-M).
3 - Tighten the screws (L) temporarily in a
crisscross pattern.
engine block
INSTALLATION OF ASSEMBLIES