ECOS Active Bypass Upgrade Kits Are Available for Certain G3520C 1200 rpm Engines {1057, 1269, 1403, 1439}
- Engine:
- G3520C (S/N: GZJ1-UP)
Refer to Special Instruction, REHS9566, "Installation of ECOS Active Bypass Upgrade Kits for Certain G3520C Engines" for the parts required and the installation procedures to install the following upgrade kits:
Refer to Information Release Memo, PELJ1771
463-9573 Conversion Kit - for S/N:GZJ00161-00460
463-9574 Sensor Kit - for S/N:GZJ00461-00496
463-9575 Sensor Kit - for S/N:GZJ00497-00551
463-9576 Service Repair Kit - for S/N:GZJ00161-00551
Note: For an engine currently equipped with a water-cooled throttle, only the 364-8312 Throttle As is needed from the 463-9576 Service Repair Kit .
These upgrade kits offer the following benefits:
- Improved output and load stability
- Updated turbocharger compressor outlet piping and seals
- Improved troubleshooting of the actual and desired valve positions of the throttle and bypass valves
- Active bypass control system allows excess boost to be routed back to the turbocharger inlet for better turbocharger control
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