DETROIT DIESEL 53
assemblies should be cleaned if excessive crankcase pressure is observed.
If it is necessary to clean the element, remove the breather housing from the flywheel housing (In-line engines).
Wash the element in fuel oil and dry it with compressed air.
Reinstall the element in the breather housing, the upper front cover or the governor housing and/or the valve rocker
cover and install them by reversing the procedure for removal.