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Publication Title | HEV Contamination Preventative Measures

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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 SB0049

Date: From: Subject:

January 2003

Capstone Technical Support

HEV Contamination Preventative Measures

Systems Affected

All Model C30 HEV Enhanced Liquid Fuel System (also known as Enhanced Liquid Operating System or “ELOR”) MicroTurbine engines shipped between 09/17/02 thru 09/20/02 (System S/N 2633, 2637-2641, and 2644-2648).

Description of Problem

Capstone has reviewed possible causes for recent failures of liquid HEV engine components in the field and uncovered evidence of possible part contamination. In addition to retraining our suppliers and factory staff, we are recommending the following component replacements (shown below) to reduce, and eventually eliminate future contamination failures.


Part Number

Injector #1


Injectors #2 and #3


Fuel Line for Injector #1


Fuel Line for Injector #2


Fuel Line for Injector #3


Fuel purge hose (air-assist to fuel manifold)


Injector Location #1 (509093)

Fuel Line for Injector #1 (510332)

Injector Location #3 (513561)

Fuel Line for Injector #3 (510335)

Injector Location #2 (513561)

Fuel Line for Injector #2 (510334)

Page 1 of 3

Fuel Purge Hose (Air-assist to Fuel Manifold) (509766)

450014-001 Rev A (January 2003)


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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