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Publication Title | Model C30 Natural Gas Injector Replacement - Japan

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Capstone Turbine Corporation • 21211 Nordhoff Street • Chatsworth • CA 91311 • USA Telephone: (818) 734-5300 • Facsimile: (818) 734-5320 • Website:

Service Bulletin SB0060

Date: From: Subject:


All Capstone Model C30 MicroTurbine systems with 20° Engines operating in Japan on Natural Gas.

Affected Engine Part Numbers are as follows:

502104 - 400 through - 401 512113 - 100 through - 101 509497 - 100 through - 102 512817 - 100 through - 101 509879 - 100 through - 101


On the Model C30 MicroTurbine operating on Natural Gas in Japan, it is possible that the injector pilot tube will be damaged during operation in Premix mode. Capstone has modified the injector design and created new software to correct this occurrence. To eliminate occurrence of injector failure in the field, Capstone requires that the injectors be replaced on all 20°-engine Natural Gas systems. A software upgrade is required to properly operate the new injectors.

Recommended Action

♦ Remove and replace the existing injectors per the Gaseous Fuel Injector Replacement Work Instructions (440006). Verify the new Injector Part Number is 516358-100 and the part is grooved on the mounting flange.

♦ Upload software version 4.96. The software is attached to the distribution of this Service Bulletin.

♦ Configure the MEDBTU setting to Medium (Mode 1) using the CRMS Fuel Settings window, display panel System Settings menu, or MEDBTU=1 from the Command Line window.

♦ Submit a Field Service Report for each system to Capstone Technical Support documenting this upgrade. Include a report on the conditions of the existing injectors. In addition, include the following operating data with the Field Service Report:

September 2003

Capstone Technical Support

Model C30 Natural Gas Injector Replacement - Japan

Engine Speed, TET, TCIN, Pamb, Generator Power, Inverter Power, Hours, Starts, Fuel Inlet Pressure, SPV%, SPV Exit Pressure, and Fuel Index 1.

450028-001 Rev A (September 2003)

Page 1 of 2

This information is proprietary to Capstone Turbine Corporation. Neither this document nor the information contained herein shall be copied, disclosed to others, or used for any purposes other than the specific purpose for which this document was delivered. Capstone reserves the right to change or modify without notice, the design, the product specifications, and/or the contents of this document without incurring any obligation either with respect to equipment previously sold or in the process of construction.

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