Volvo D12 Spécifications télécharger pdf (Page 35)

Volvo Trucks North America, Inc. Date Group No. Page

TSI 9.2003 211 007 35(41)

Using a dial indicator with a magnetic base,

position it so that the dial indicator tip is against the

edge of the valve rotator. Rock the valve in the

direction of the exhaust and intake ports. Read

the value on the dial indicator.

Wear tolerances

a Maximum allowable diametrical wear on valve stem

— 0.010 mm (0.00039 in).

b Maximum allowable clearance between valve stem

and valve guide:

Intake valve — 0.025 mm (0.00098 in)

Exhaust valve — 0.038 mm (0.00150 in)

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Volvo D12 Spécifications Page 35