What Does An Overhaul Consist of?

Engine overhaul mainly refers to the general term for the automobile to restore its original technical state through professional technical diagnosis and appraisal by means of repair or rebuild after a certain period of use or mileage. The main measures are assembly disintegration, parts cleaning, parts inspection and classification, parts repair, matching and assembly, assembly running-in and testing, vehicle assembly and debugging, etc.

What is a engine overhaul?

engine overhaul: It is mainly to replace the valve, piston, bearing bush, boring cylinder, grinding shaft, etc. Generally, a complete set of replacements is required to replace the piston. The boring cylinder is a relatively common repair method for excessive wear of dry cylinder liners, and the eccentric method can be used to reduce the amount of boring.

gearbox overhaul: Mainly to replace the internal parts of the gearbox, including gears, gear oil pumps, bearings, sealing gaskets, etc.

Beam overhaul: Physical straightening is often used, by straightening a bent car frame on a calibration bench.

What comes in a Cummins overhaul kit?

Known for its strong power and reliability, Cummins engines are working hard in almost every corner of the world. The engines you rely on are now working harder and longer than ever before, thanks to a range of overhaul rebuild kit designed to extend engine life.

Cummins overhaul mainly includes

1. The crankshaft includes a grinding shaft, tile matching, flaw detection, dynamic balance, pressure test, and flaw detection twice.2. High-pressure pump includes cleaning, replacement, assembly, and calibration.3. Supercharger includes disassembly, cleaning, and replacement, grinding rotor group, assembly, and test. 4. Intercooler includes disassembly, cleaning, leak repair, assembly, and pressure test. 5. Oil cooler includes disassembly, cleaning, leak repair, assembly, and pressure test. 6. Machine filter includes disassembly, Cleaning, and assembly. 7. Water pump includes disassembly, cleaning, replacement, shaft repair, and test. 8. Centrifugal filter includes disassembly, cleaning, shaft replacement, filter screen, and test. 9. Connector assembly and shock absorber include disassembly, Cleaning, assembly, and trimming. 10. Fuselage and cylinder head include disassembly, cleaning, inspection, flaw detection, repair, assembly, replacement, and pressure test. 11. Fuel injectors include disassembly, cleaning, replacement, testing, and assembly. 12. Diesel filter including replacement and assembly. 13. Camshaft grinding and flaw detection; 14. Low oil pressure repair. 15. Air/electric motor repair including pipeline\oil, oil, relay, etc. 16. Air filter repair. 17. Pre-supply pump repair; 18. Connecting rod flaw detection, small head repair. 19. Grinding and matching the main shaft, connecting rod, and cam bearing bush.

5.9 cummins rebuild kit Content

1 Set Pistons STD
1 Set Piston Rings
1 Set Piston Pins
1 Set Piston Circlips
1 Set Cylinder Liners （Semi-finished product）
1 Set Main & Con Rod Bearings
1 Set Intake & Exhaust Valves
1 Set Valve Seats
1 Set Valve Guides
1 Set Repair Kit