TM-9-2320-283-20-1
TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, M915A1
TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE PART 1 OF 3
DECEMBER 1983
TM-9-2320-283-20-1 - Page 47 of 926
TM 9-2320-283-20-1
PRINCIPLES OF OPERATION.
1-13.
EXHAUST SYSTEM.
EXHAUST STACK CAP.
Prevents entry of rain and dirt into
exhaust pipes when engine is not in use.
EXHAUST
MANIFOLD.
Bolted to
exhaust ports
on cylinder
heads.
Collects exhaust from ports and directs it to
turbocharger.
TURBOCHARGER.
See illustration and description in paragraph 1-12c.
TURBOCHARGER OUTLET PIPE.
Carries hot exhaust away from turbocharger.
FLEX PIPE(S).
Connects turbocharger
outlet pipe,
muffler inlet pipe, and muffler.
Pipes
are
flexible to
allow for
vibrations
and
expansion in system.
MUFFLER
INLET
PIPE.
Carries
exhaust
from
turbocharger
outlet pipe
to muffler.
MUFFLER.
Directs exhaust through baffles to deaden noise.
EXHAUST STACK.
Directs exhaust from muffler.
TA 236765
1-27
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