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H1850

Product catalog summary

Overview: The BH112PA-77 JETCAL®1 Performance Analyzer is a sophisticated tool designed for troubleshooting and performance analysis of General Electric J85 series turbojet afterburning engines. It is suitable for both uninstalled engines in test cells and on-wing trimming/functional checks.

Key Features:

Replaces Howell’s BH112JB-77 JETCAL® Analyzer and GE P/N 21C3954 Fuel System Test Set.
Provides fault monitoring and extensive diagnostic capabilities.
Presents detailed graphs for in-depth analysis of fuel schedules.
Automates technical manual procedures.

Test Capabilities:

On-Wing and Test Cell capabilities include initialization, engine starts, idle speed check, anti-ice valve check, overspeed governor check, and more.
Specific checks such as variable exhaust nozzle cruise area check, cabin conditioning shutoff valve check, and T5 tag temperature trimming are available.

Diagnostic Capabilities:

Diagnoses fuel system components including Main Fuel Control (MFC) accel/decel schedule, Afterburner Fuel Control (ABC) pilot and main spraybar fuel schedules, and Inlet Guide Vane (IGV) schedule.

Automated Data Recording:

Records parameters at ten records per second, including engine temperature, speed, nozzle position, fuel flow, fuel pressure, and fuel temperature for the Main Fuel Control.
Includes data for afterburner pilot circuit and main spraybars.

Contact Information: Howell Instruments, Inc., 8945 South Freeway, Fort Worth, Texas 76140. Website: www.howellinst.com, Phone: 817-336-7411, Fax: 817-336-7874, Email: [email protected].

Catalog excerpts

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 • [email protected]...

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