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Tappet Priming Caution

Caution: Ensure each tappet is filled with clean engine oil and the tappet does not tip over (plunger down) before the installation of the tappets. The loss of oil in the tappet lower pressure chamber or the dry stroking/cycling of the tappet plunger will allow air to travel into the high pressure chamber of the tappet. Air in the high pressure chamber of the tappet may not be purged causing extensive engine component damage.

   


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