Lombardini 9 LD 625-2 User Manual

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9LD Workshop Manual _ cod. 1.5302.286 - 3° ed_rev. 02
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Disassembly / Reassembly
Connecting rod big end bearing
Both centering notches of the bearings A and B must be on the same
side when refitting.
 Tighten bolts at 40 Nm.
 See page 44 for dimensions.
Connecting rod weight
Weigh connecting rods when replacing them in order to avoid unbalance.
Important
The difference in weight should not exceed 10 g.
Connecting rod alignment
Check alignment of small end and big end bearing bores using fitted
mandrels; axial mis-alignment A = 0.02 mm; maximum limit = 0.05 mm.
Connecting rod small end bushing
Dimensions and clearance (mm):
C = 25.020÷ 25.030 (with machined bushing in place)
D = 24.995÷ 25.000
(C-D) = 0.020÷ 0.035
(C-D) maximum worn limit = 0.070

Lombardini 9 LD 625-2 Specifications

General

Brand	Lombardini
Model	9 LD 625-2
Category	Engine
Language	English