This 40-page service data document is the official Bendix TU-FLO 750 compressor resource covering description, operation, disassembly, specifications, troubleshooting, and maintenance for the two-cylinder single-stage reciprocating air compressor used in commercial truck air brake systems. Published by Bendix Commercial Vehicle Systems LLC, publication SD-01-344, it serves as the primary reference for rebuilding and diagnosing this compressor.
Official Bendix TU-FLO 750 compressor document details
| Brand | Bendix Commercial Vehicle Systems LLC |
| Model coverage | Tu-Flo 750 Air Compressor (all mounting configurations) |
| System / Group | Air Brakes — Air Compressor |
| Publication no. | SD-01-344 |
| Year / Revision | 9/2004 |
| Pages | 40 |
| File size | 1.8 MB |
| Format | |
| Language | English |
Document table of contents
- Description — cylinder head, crankcase, mounting configurations, nameplate
- Operation — intake and compression (loaded), non-compression (unloaded)
- Compressor and the Air Brake System — duty cycle, contaminants, air dryer interaction
- Cylinder Head Disassembly and Inspection
- Piston and Connecting Rod Disassembly — piston rings, wrist pin, bushing inspection
- Compressor Crankcase Disassembly — crankshaft, main bearings, oil seal, end cover
- Cleaning of Parts
- Specifications — cylinder bore sizes (standard, .010, .020, .030 oversize)
- Maintenance Kits and Available Service Parts — cylinder kit, piston ring kit, gasket and seal kit, crankshaft bearing kit
- Compressor Troubleshooting — symptom-based diagnostics including oil pass-through, duty cycle analysis
- Tests — governor malfunction, governor control line, compressor unloader leakage
- Appendix A and B — cold weather procedures, automatic drain valves, supporting air and electrical lines
Applicable truck models
The Bendix TU-FLO 750 compressor is used across multiple engine platforms. The document illustrates mounting configurations for Caterpillar, Mack (standard, Foxhead, and extended), Detroit Diesel, and Cummins engines. The compressor is rated at 16.5 cubic feet per minute at 1,250 RPM and features flange or base mounting with coolant, inlet, and discharge port options to suit various OEM installations. Troubleshooting sections reference the Bendix PuraGuard QC oil coalescing filter and the Bendix D-2 governor. For additional product information, visit Bendix Commercial Vehicle Systems.
Who needs this TU-FLO 750 compressor manual
Fleet maintenance technicians, independent truck mechanics, and workshop owners servicing heavy-duty commercial vehicles equipped with the Tu-Flo 750 air compressor need this document. It provides the bore specifications, step-by-step disassembly sequences, and systematic troubleshooting procedures required for proper compressor rebuild and air brake charging system diagnosis.
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