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TM 10-3930-643-20
Section III.
PRINCIPLES OF OPERATION
INTRODUCTION. (cont)
1-11.
General.
The following principles of operation are described to the
organizational level.
It is necessary to understand a systems function and
operation in order to troubleshoot and perform maintenance
e f f e c t i v e l y .
Refer
to Operators Manual,
TM 10-3930-643-10, to provide general background on these
systems.
1-12.
E n g i n e . T h e e n g i n e i s a n i n - l i n e , s i x c y l i n d e r , f o u r c y c l e , d i r e c t
starting, valve-in-head type diesel. It is turbocharged. An ether injector is
connected to the air intake manifold to aid in cold weather starting. The
engine is water jacket cooled. An engine oil sampling valve is supplied with
vehicles S/N 2001 and above to obtain sampling of engine oil condition easily.
Refer to LO 10-3930-643-12 for oil sampling instructions.
1-10
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