TM-9-2350-238-20-1
HULL AND RELATED COMPONENTS RECOVERY VEHICLE, FULL TRACKED: LIGHT, ARMORED, M578
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL
MAY 1994
TM-9-2350-238-20-1 - Page 21 of 1364
TM 9-2350-238-20-1
The spade is a welded steel structure used to prevent sliding when winching heavy loads. It is
raised and lowered by two double-acting hydraulic cylinders.
AIR INTAKE SYSTEM
Engine air is filtered by a two-stage process that takes outside air through the battery access door
grilles into two intake air cleaners, and then through two filter elements.
a.
Intake air cleaners.
The intake air cleaners are a system of tubes and deflector vanes that
give a swirling motion to the incoming air.
This swirling action forces large dust particles against the
walls of the tubes. The dust falls into the dust chamber.
Centrifugal fans exhaust the dust to the
outside air through ports on the left side of the vehicle.
b.
Intake filter elements.
The intake air then passes through fabric filters that collect the
remaining dust. The clean air is routed through engine intake air ducts and the turbocharger to the
engine blower and combustion chambers.
1-13
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