volvo Workshop Repair Guides

Volvo Workshop Service and Repair Manuals

Tappet, Valve <--> [Lifter / Lash Adjuster, Valve]|Description and Operation|Page 1459 > < Tappet, Valve <--> [Lifter / Lash Adjuster, Valve]|Description and Operation|Page 1457
Page 3
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Tappet resumes contact with basic circle of cam 

The engine oil pressure again exceeds that in the tappet cylinder, opening the non-return valve and admitting oil to maintain the tappet in contact with the
cam.

Tappet, Valve <--> [Lifter / Lash Adjuster, Valve]|Description and Operation|Page 1459 > < Tappet, Valve <--> [Lifter / Lash Adjuster, Valve]|Description and Operation|Page 1457