TM 5-3805-280-24-2
Removal and Installation
CLEAN THE ENGINE CRANKCASE
VENTILATION TUBE
Clean the engine crankcase ventilation tube (A) when you
measure and adjust engine valve clearance (lash).
04
0400
19
A--Crankcase Ventilation Tube
TX,85,DH5151
1917SEP981/1
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,04,UU3877
1918SEP981/4
13-19
