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Company Cases About Case Study: Troubleshooting BOSCH Diesel Injector 0445110780 (Series 110 1) with Cross Reference Numbers 445110519, 445110520

Case Study: Troubleshooting BOSCH Diesel Injector 0445110780 (Series 110 1) with Cross Reference Numbers 445110519, 445110520

2026-05-08
Latest company cases about Case Study: Troubleshooting BOSCH Diesel Injector 0445110780 (Series 110 1) with Cross Reference Numbers 445110519, 445110520

Case Study: Troubleshooting BOSCH Diesel Injector 0445110780 (Series 110 1) with Cross Reference Numbers 445110519, 445110520

Problem Description

A maintenance team reported issues with their industrial generators fitted with BOSCH diesel injector 0445110780. The equipment experienced unstable voltage, frequency fluctuation, overheating. Further inspection revealed the problem originated from the 110 1 series injectors, which also has cross-reference numbers 445110519 and 445110520 for different engine models.

Issues Identified

· Primary issue: fuel delivery inconsistency affecting fuel delivery

· Secondary issue: low compression

· Secondary issue: fuel system contamination

Solution Applied

· replace nozzles and calibrate pump

· Clean fuel tank and fuel lines

· Replace fuel filters

· Perform engine compression test

Outcome

After the repair: generator runs reliably. Fleet now maintains inventory of 445110519 and 445110520 as backup units for quick replacement when 0445110780 is temporarily unavailable.

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