ART272 – FT8 Fire System Cause & Effect

Article – ART272 This video outlines how the FT8 fire system operates and why the Cause & Effect drawing is essential for commissioning, maintenance, and troubleshooting. https://vimeo.com/1171831754

ART270 – FT8 Hydraulic Servo – LN

Article Ref – ART270 This video explains how the hydraulic twin servo system controls the position of the Inlet Guide Vanes (IGV) and Variable Stator Vanes (VSV) in a gas turbine. It begins with the physical layout of the hydraulic pump and twin servo assembly and introduces the closed-loop control … Continue Reading →

ART267 – FT8 Hydraulic System Overview

ARTICLE REF – ART267 This training video provides an overview of the FT8 hydraulic system, explaining its purpose, configuration, and operation. https://vimeo.com/1155963213

ART262 – FT8 Gas fuel hose issue

ARTICLE REF – ART262 “This video looks at a real-world reliability issue on FT8 gas fuel systems — the flexible fuel injector hoses. Early FT8 turbines used rigid stainless-steel tubing between the gas manifold and the fuel injector. Those lines took longer to install, but they were extremely robust. Around … Continue Reading →

ART265 – Power Turbine Thrust Balance & TCA

ARTICLE REF – ART265 This video explains how power turbine cooling air and thrust balance airflow control axial forces on the power turbine rotor. Cooling air flows through the LP turbine and bearing areas before exiting through seals and mixing with exhaust gases, generating an aft axial force as energy … Continue Reading →

Payment Page – Solar Mars Maintenance Course

Hi, Don Murphy here and you are very welcome to my website. Below you have a description of the training on the Solar Mars Maintenance Course.  If you have any questions or you need to contact me for any reason use the following: – WhatsApp +54 911 5423 0311 or by … Continue Reading →

Payment Page – Solar Mars Training Course

Hi, Don Murphy here and you are very welcome to my website. Below you have a description of the training on the Solar Mars Familiarization Course.  If you have any questions or you need to contact me for any reason use the following: – WhatsApp +54 911 5423 0311 or by … Continue Reading →

Payment Page – Solar Control System for Dummies

Hi, Don Murphy here and you are very welcome to my website. Below you have a description of the training on Solar Control System for Dummies Course.  If you have any questions or you need to contact me for any reason use the following: – WhatsApp +54 911 5423 0311 or … Continue Reading →

Payment Page – FT8 Training Course

Hi, Don Murphy here and you are very welcome to my website. Below you have a description of the training on the FT8 General Familiarization Course.  If you have any questions or you need to contact me for any reason use the following: – WhatsApp +54 911 5423 0311 or by … Continue Reading →

ART260 – PTTB switches

ARTICLE – ART260 In this video, I’m going to take a closer look at the FT8 Power Turbine Thrust Balance (PTTB) valve and, more specifically, a special calibration tool that many FT8 technicians may never have seen. Before position feedback transmitters became standard, calibrating the PTTB valve relied on mechanical … Continue Reading →

Payment Page – Bently Nevada 3500

Hi Don Murphy here and you are very welcome. Below you have a detailed description of the training on the Bently Nevada 3500 System testing.  If you have any questions or you need to contact me for any reason use the following: – WhatsApp +54 911 5423 0311 or by email … Continue Reading →

ART012 – FT8 – IGV & VSV Startup data

ARTICLE REF – ART012 This is a 30 minute training video which looks at startup data pertaining to the hydraulic system. And gives detailed instruction on how to check the open ramps of the IGV and VSV. Part 1 – is a review of the data collected during a normal … Continue Reading →

ART261 – FT8 – PT Lube Oil Filter F605

Article Ref – ART304 This is a training video on the FT8 Lube Oil System Filter F605. This training video gives a practical training overview of the FT8 Power Turbine lube oil filter F605. It explains the filter’s location, function, and dual-filter design that allows continuous operation during maintenance. The … Continue Reading →

ART239 – FT8 Flyback Diodes

ARTICLE REF – ART239 This training video looks at  the function and testing of the Solenoid Flyback Diodes as found on Solar and the FT8.  https://vimeo.com/949327423

ART217 – Sixth Stage Bleed Valve

ARTICLE REF – ART217 This video explains the operation and control of the FT8 sixth stage bleed valves, showing how eight-stage LP compressor air, solenoid valves, and spring loading work together to open and close the valves to prevent compressor surge. It also covers the unique features of the right-hand … Continue Reading →

ART202 – FT8 – Penny Plug Oil Leak

Article Ref – ART202 Oil leaks on the Pratt & Whitney FT8 are not always what they appear to be. This presentation walks through an uncommon leak path in the accessory drive gearbox, explaining how the NH speed pickup drive, carbon seal condition, and the often-overlooked penny plug can all … Continue Reading →

FT8 Hydraulic starter dissembled

ARTICLE REF – ART253 This  is going to be  a series of photos with comments of the hydraulic starter being dismantled. Photo 1 There are six allen head bolts holding the compensating actuator to the motor. If you are not making sufficient pressure even though you are making the adjustment, … Continue Reading →

ART006 – General – Maintenance board.

ARTICLE REF – ART006 Maintenance Board. This was a photo taken of how one customer used a white board with stuck-on labels and a marker to keep track of the hours in service and to control what filters on standby were used or new etc. At a glance you had … Continue Reading →