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Portable engine test sets & trimmers Photo Courtsey of Department of Defense JETCAL®1 Performance Analyzer The BH112PA-77 provides unique troubleshooting capability of uninstalled engines (in the test cell) and on-wing Trimming/Functional Check for General Electric J85 series turbojet afterburning engines. The BH112PA-77 is a Turbine Engine Data Acquisition System that: • Replaces Howell’s BH112JB-77 JETCAL® Analyzer and GE P/N 21C3954 Fuel System Test Set • Provides fault monitoring • Offers extensive diagnostic capabilities • Presents detailed graphs for in-depth analysis of fuel schedules • Automates Technical Manual procedures US Air Force T-38: BH112PA-77-3 NSN 4920-01-497-2965 H338P-43 Test Cell Run Kit NSN 4920-01-557-8109 US Navy F-5: BH112PA-77 NSN 4920-01-558-0927 H338P-45 Test Cell Run Kit NSN 4920-01-550-6958 1 JETCAL® is a registered trademark of Howell Instruments, Inc. Howell Instruments, Inc. 8945 South Freeway Fort Worth, Texas 76140 www.howellinst.com 817-336-7411 Fax: 817-336-7874 info@ho

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Diagnose Fuel System Components • Main Fuel Control (MFC) Accel/Decel Schedule • Afterburner Fuel Control (ABC) Pilot and Main Spraybar Fuel Schedules • Inlet Guide Vane (IGV) Schedule Automated Data Recording Parameters Recorded at Ten Records per Second: • Engine Temperature, Speed, and Nozzle Position • Fuel Flow, Fuel Pressure, and Fuel Temperature for the Main Fuel Control • Afterburner Pilot Circuit, and Afterburner Main Spraybars Test Capability Howell Instruments, Inc. • 8945 South Freeway • Fort Worth, Texas 76140 www.howellinst.com • 817-336-7411 • Fax: 817-336-7874 •...

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