Camshaft

Wärtsilä NSD Nederland B.V. Engine type W26 Chapter Subject

Issue date 2.4 No-Go criteria, Torque's, Loctite, maintenance June '00

Camshaft.

Description Design size (mm) Maximum allowable

Camshaft

Camshaft part : Material : 17CrNiMo6 Hardness : Depth of case : Cam roughness :

0 version : Camshaft journal diameter Camshaft bearing housing bore Camshaft bearing bush thickness Assembled camshaft bearing bore Camshaft bearing clearance Camshaft diameter ( “0” bearing ) Camshaft “0” bearing housing bore Camshaft “0”bearing bush thickness Assembled camshaft “0” bearing bore Camshaft “0” bearing clearance Camshaft trust bearing collar thickness Camshaft trust bearing axial clearance

A version : Camshaft journal diameter Camshaft bearing housing bore Camshaft bearing bush thickness Assembled camshaft bearing bore Camshaft bearing clearance Camshaft diameter ( “0” bearing ) Camshaft “0” bearing housing bore Camshaft “0”bearing bush thickness Assembled camshaft “0” bearing bore Camshaft “0” bearing clearance Camshaft trust bearing collar thickness Camshaft trust bearing axial clearance 60 - 62 HRc min. 2,5 mm Ra = 0.8 µm

219.971 - 220.000 240.029 - 240.000 9.890 - 9.910 220.205-220.274 0.205 - 0.303 209.971 - 210.000 240.000 - 240.029 14.879 - 14.908 210.205 -210.285 0.205 - 0.314 7.85 - 7.90 0.15 - 0.45

179.975-180.000 200.000 - 200.029 9.915 - 9.930 180.167 - 180.224 0.167 - 0.249 209. 000 - 240.029 14. 971 - 210.000 240.879 - 14.908 210.205 -210.285 0.205 - 0.314 7.85 - 7.90 0.15 - 0.45 0.35

0.35

0.70

0.30

0.35

0.70