Tuflo 550 Compressor Bendix 108112 Caterpillar 131-6679

intain air under pressure to operate devices in the air
brake and/or auxiliary air systems. The Bendix Tu-Flo 550 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
cylinder head is an iron casting which houses the inlet,
discharge, and unloader valving. (See Figure 1.) The
cylinder head contains the air inlet port and is designed
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.