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 43 of 926
TM 9-2320-283-20-1
PRINCIPLES OF OPERATION.
1-12.
FUEL SYSTEM (Continued).
c.
Air Intake.
AIR RESTRICTION INDICATOR.
Mounted on instrument panel.
Signal changes from green to red in indicator housing
when air cleaner needs servicing.
A tube connects
indicator to air cleaner outlet.
When air flow through cleaner is
restricted,
the red
signal becomes
visible.
Factory set
to signal
at a specific filter restriction.
Resetting is
accomplished by pushing a button on top of the indicator.
CROSSOVER
TUBE.
Directs compressed
air from
turbocharger, through after cooler, to intake manifold.
AFTERCOOLER.
Cools air
entering intake manifold from turbocharger.
Water flow from
engine cooling system
absorbs heat.
(See illustration of cooling system in paragraph 1-14a).
ENGINE INTAKE MANIFOLD.
Directs compressed air charge to each cylinder after it has been cooled by aftercooler.
TA 236761
1-23
Back to Top
