TM 5-3895-359-14&P
Item 27 - Crankcase Breather
Item 28 - Engine Tune-Up
Remove the externally mounted crankcase breather
There is no scheduled interval for performing an engine
assembly every 1,000 hours and wash the steel mesh
tune-up.
As long as the engine performance is
pad in clean fuel oil. This cleaning period may be
satisfactory, no tune-up should be needed. Minor
reduced or lengthened according to severity of service.
adjustments in the valve and injector operating
mechanisms, governor, etc. should only be required
Clean the breather cap, mounted on the valve rocker
periodically to compensate for normal wear on parts.
cover, in clean fuel oil every time the engine oil is
changed.
10-11-8