Lombardini 9 LD 625-2 User Manual

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9LD Workshop Manual _ cod. 1.5302.286 - 3° ed_rev. 02
4
A
610.04÷000.04
B
590.04÷180.04
C
610.43÷000.43
D
590.43÷180.43
40
41
43
42
44
125° ÷ 135°
Disassembly / Reassembly
Valve seats and housings
Press valve seats into the housings and cut at 45°.
INTAKE
VALVE
EXHAUST
VALVE
Ref.
Dimensions (mm)
Pushrod tube
When refitting cheek that gaskets A and rocker arm lubricatíon tube C
are well inside their seats.
Valve seat grinding
After cutting grind valve seats with fine emery paste in oil suspension.
The sealing surface S should not exceed 2 mm.
Valve recess after grinding D = 0.75÷1.25 mm; maximum worn limit
1.65 mm.
CYLINDER
Checks and cylinder roughness
Fins must be intact.
Cross hatch pattern must range between 125°÷135°: they must be
uniform and clear in both directions.
Average roughness should range between 0.35 and 0.60 µm.

Lombardini 9 LD 625-2 Specifications

General

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