®
®
Bendix
Tu-Flo
DISCHARGE
VALVE STOP
DISCHARGE
VALVE
DISCHARGE
VALVE SEAT
CONNECTING
ROD
CRANKSHAFT
®
BENDIX
TU-FLO
(CROSS SECTION)
DESCRIPTION
The function of the air compressor is to provide and
maintain air under pressure to operate devices in the air
brake and/or auxiliary air systems. The Bendix
compressor is a two cylinder single stage, reciprocating
compressor with a rated displacement of 13.2 cubic feet
per minute at 1250 RPM.
The compressor assembly consists of two major
subassemblies, the cylinder head and the crankcase. The
discharge, and unloader valving. (See Figure 1.) The
with both top and side air discharge ports. Three water
coolant ports provide a choice of coolant line connections.
Governor mounting surfaces are provided at both the front
and the rear of the cylinder head. The head is mounted
on the crankcase and is secured by six cap screws. The
Tu-Flo
®
550 compressor is designed such that the cylinder
head can be installed in one of two positions which are 180
degrees apart. The crankcase houses the cylinder bores,
pistons, crankshaft and main bearings, and provides the
fl ange or base mounting surface.
550 Air Compressor
UNLOADER
COVER
DISCHARGE
VALVE SPRING
®
550 AIR COMPRESSOR
®
Tu-Flo
AIR DISCHARGE
WATER
INLET
GOVERNOR
MOUNTING
PAD
PISTON
BENDIX
®
550
CYLINDER
HEAD
END VIEW OF CYLINDER HEAD
®
TU-FLO
®
550 AIR COMPRESSOR
(EXTERIOR)
UNLOADER
WATER OUTLET
AIR INLET
CRANKCASE
PIECE NO.
TAG
INLET VALVE
INLET VALVE
SEAT
INLET
INLET VALVE
SPRING