eliasafr Posted November 30, 2015 Share Posted November 30, 2015 we are using turbine refrigeration unit P/N:203720-1 for C-130 B ac.The consumption rate is very high. How can we recover the problem......? We have the ac ser no: 3553, 3676, 3589 & 3647. Can we use some other models of turbine refrigeration unit in our aircraft....? Quote Link to comment Share on other sites More sharing options...
Bogi252 Posted November 30, 2015 Share Posted November 30, 2015 Use the latest Honeywell part number 203720-3-2, which are modified with ceramic bearings and the oil system is converted from dry sump to wet sump, with a dipstick for checking service level. This change requires no modifications. Alternatively, if you really want to improve the performance and reliability, go with a system upgrade such as E2H(TM) ECS. For the flight deck, the newest turbine part number is 203430-4-1. Same improvements as described above for 203720. Also consider the heat exchanger from aluminum to Stainless Steel. Quote Link to comment Share on other sites More sharing options...
eliasafr Posted December 2, 2015 Author Share Posted December 2, 2015 Thanks Bogi 252........can wwe use this in the above mentioned ac ser no?Can u plz givew some pic of this ... Quote Link to comment Share on other sites More sharing options...
mark18mwm Posted December 2, 2015 Share Posted December 2, 2015 I found this information on the web if it helps you. http://www51.honeywell.com/aero/common/documents/myaerospacecatalog-documents/Defense_Brochures-documents/C-130_Air_Cycle_Machine_(pre-1974).pdf Quote Link to comment Share on other sites More sharing options...
Bogi252 Posted December 2, 2015 Share Posted December 2, 2015 On 11/29/2015, 11:51:27, eliasafr said: we are using turbine refrigeration unit P/N:203720-1 for C-130 B ac.The consumption rate is very high. How can we recover the problem......? We have the ac ser no: 3553, 3676, 3589 & 3647. Can we use some other models of turbine refrigeration unit in our aircraft....? This is correct and current. In addition, see more detailed brochures attached. We keep these turbines and heat exchangers in stock most of the time, and yes, they replace 203720 and 203430 series turbines, regardless of Aircraft Serial number. Also attached E2H ECS upgrade information, which is a more extensive retrofit up to a C-130H ECS System. More reliable, 230% more air flow, better pressurization, but also more expensive. C130_Pre_1974_ECS_Upgrade_Fact_Sheet.pdf C130 E2H ECS Upgrade fact sheet.pdf Quote Link to comment Share on other sites More sharing options...
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