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FOCS Workshop Manual_cod. 1.5302.351_7° ed_ rev. 06

ABB-A

B-A

060,73÷530,73000,73÷579,63580,0÷530,0071,0

Camshaft journals and housings - Dimensions (mm)

Note: The camshaft journal and cylinder head camshaft bore

dimensions are identical for all LDW-FOCS series engines

(LDW 502-602-702-903-1003-1204-1204/T-1404).

limit value

Camshaft lobe measurement

Use an outside micrometer gauge.

Intake / Exhaust / Injection camshaft lobe height - LDW 903

A1 = 1st cylinder intake camshaft lobe

A2 = 2nd cylinder intake camshaft lobe

A3 = 3rd cylinder intake camshaft lobe

I1 = 1st cylinder injection camshaft lobe

I2 = 2nd cylinder injection camshaft lobe

I3 = 3rd cylinder injection camshaft lobe

S1 = 1st cylinder exhaust camshaft lobe

S2 = 1st cylinder exhaust camshaft lobe

S3 = 1st cylinder exhaust camshaft lobe

H = 29,598÷29,650 mm (intake/exhaust camshaft lobe height)

H1 = 28,948÷29,000 mm (injection camshaft lobe height)

For 1204/T : H (intake) = 29,438÷29,490 mm,

H (exhaust) = 29,778÷29,830 mm.

All engines in the series (except LDW 1204/T) have intake exhaust

and injection cams with the same height of H and H1.

If wears on the cams exceeds by 0.1 mm the minimum value given

H and H1, replace the crankshaft.

Disassembly / Reassembly

Lombardini LDW 1204/T User Manual

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