Bendix Commercial Vehicle Systems DURAFLO 596 COMPRESSOR 10/04 - Manual

1
DESCRIPTION
The function of the air compressor is to provide and main-
tain air under pressure to operate devices in the air brake
and/or auxiliary air systems. The DuraFlo
™ 596 compressor
is a two cylinder reciprocating compressor with a rated dis-
placement of 27 cubic feet per minute at 1250 RPM.
The compressor consists of a water cooled cylinder head
and valve body assembly and an air cooled integral
crankcase and cylinder block. The cylinder head is an
aluminum casting which contains the required air and water
ports as well as inlet check valves for each cylinder. The
valve body assembly consists of steel upper and lower
halves, each of which incorporate various valve openings
and channels for conducting air and engine coolant into
and out of the cylinder head. The discharge valves for
each cylinder are part of the valve body assembly. The
valve body assembly is secured to the cylinder head
WATER
INLET
PORT (2)
WATER
OUTLET
PORT (1)
CRANKCASE
DISCHARGE
SAFETY VALVE
CRANKCASE
BOTTOM
COVER (2)
CYLINDER
HEAD
VALVE BODY
ASSEMBLY
REAR END
COVER OIL
PORT
CRANKSHAFT
PISTON
CONNECTING
ROD
PISTON RINGS
CYLINDER
HEAD
DISCHARGE
VALVE
VALVE BODY
ASSY.
CRANKCASE
DISCHARGE
VALVE
HOLDER
DISCHARGE
PORTS (2)
DISCHARGE
VALVE
DISCHARGE
VALVE HOLDER
DISCHARGE
CAVITY
PISTON
CYLINDER
BORE
UNLOADER
PORT
FIGURE 1 - DURAFLO ™ 596 AIR COMPRESSOR
VIEW OF CYINDER HEAD AND ONE CYLINDER BORE
®
SD-01-670
Bendix ® DuraFlo ™ 596 Air Compressor