This Bendix air compressor manual (publication SENR5122-00) is a 24-page CAT service document covering the Bendix air compressor used on 3126B and 3126E truck engines. It provides technicians with disassembly, inspection, reassembly, and troubleshooting information needed to maintain or rebuild the compressor assembly.
Official Bendix air compressor manual document details
| Brand | Caterpillar (CAT) |
| Model coverage | 3126B, 3126E |
| System / Group | Air Compressor (Bendix) — Manuals |
| Publication no. | SENR5122-00 |
| Year / Revision | Not specified |
| Pages | 24 |
| File size | 2.2 MB |
| Format | |
| Language | English |
Document table of contents
- Introduction and safety information
- Bendix air compressor specifications
- Disassembly procedures
- Cleaning and inspection of components
- Reassembly procedures
- Installation on CAT 3126B and 3126E engines
- Testing and troubleshooting
- Torque values and service standards
Applicable truck models
This service document applies to vehicles and equipment powered by the Caterpillar 3126B and 3126E diesel engines that are fitted with a Bendix-type air compressor. These inline six-cylinder engines were widely installed in medium-duty trucks, school buses, and vocational chassis from manufacturers such as International, Freightliner, and Blue Bird. The air compressor is engine-driven and supplies the vehicle’s air brake system, making correct service procedures critical for safe operation. For additional product and support information, visit the Caterpillar official website.
Who needs this air compressor manual
Fleet mechanics, independent diesel technicians, and workshop owners servicing CAT 3126B or 3126E–powered trucks will find this document essential when the air compressor requires rebuild, inspection, or replacement. It is equally useful for vocational and school-bus maintenance shops that must keep brake-system air supply reliable and within specification.
The full PDF of this Bendix air compressor service guide is available in the DiagTechPro manuals library. A free account is required to download.
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