TM 5-3805-281-10
Maintenance--Every 2000 Hours
CLEAN THE ENGINE CRANKCASE
VENTILATION TUBE
Clean the engine crankcase ventilation tube (A) when you
measure and adjust engine valve clearance (lash).
A--Engine Crankcase Ventilation Tube
CED,TX14740,6109
1930APR981/1
CHECK AND ADJUST ENGINE VALVE LASH
(CLEARANCE)
CAUTION: Prevent accidental starting of engine
while performing valve adjustments. Always
disconnect NEGATIVE (--) battery terminal.
IMPORTANT: Valve clearance MUST BE checked and
adjusted with engine COLD.
1. Remove rocker arm cover and engine crankcase
ventilation tube. Clean tube with solvent or diesel fuel.
Check that O-ring in rocker arm cover is in good
condition.
Continued on next page
TX,86,DH5104
1909JUL961/3