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Friday, 31 August 2012 14:03


Written by  Diesel Care

The most advanced common rail test bench in the world. Now at Diesel Care.
The BOSCH EPS 708.

In September 2011 Diesel Care
took delivery of the new diesel test bench EPS 708 from BOSCH.
Specially designed for common rail injection pumps and injectors it is regarded as the most advanced test bench in the world.

Along with this purchase, Diesel Care enhanced its status as a BOSCH common rail partner with the more comprehensive repair capability, known as stage 3 repair, for BOSCH common rail injectors. Stage 3 repair enables us to fully repair BOSCH common rail injectors to a new standard, which was previously not an option.

The injection pressures of modern common rail diesel engines have increased continuously over the past few years. 2000 bar (29,000 psi) is the current standard, but this value is on the rise. For this reason, the new BOSCH diesel test bench EPS 708, designed specifically for common rail injectors and common rail injection pumps, can handle tests with up to 2200 bar (32,000 psi). Moreover, the test bench is well equipped for future developments in common rail diesel technology as its newly developed rail is designed for pressures of up to 2500 bar (36,000 psi). The new EPS 708 test bench enables us to test common rail injectors and common rail injection pumps made by BOSCH and other manufacturers such as Delphi, Denso and Continental (formerly Siemens). Injection quantities are measured  electronically, while fuel temperature, pressure feed for
the pump and  lubricant supply pressure are regulated electronically. A new multi-clamping system for injectors reduces setup times and enables flexible, precise working.

Comprehensive test for Piezo common rail injectors
Around 25 percent of common rail diesel engines in passenger cars are now fitted with Piezo injectors. BOSCH has developed a new test for Piezo injectors. Additionally, BOSCH has developed a world first test procedure for determining shot-to-shot deviation. This highly accurate test allows us to diagnose specific faults on common rail injectors.

EPS708 image 3

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