Quick-fuel-technology 3 Circuit Billet Metering Block Manuel d'utilisateur télécharger pdf

3 Circuit Billet Metering Block Instructions

Thank you for purchasing a QFT 3 circuit metering block. Installation is no different than a conventional

metering block. There are some tuning features that this block has that are illustrated below.

The intermediate system has a feed and discharge restrictions. The feed is located on the fuel bowl side of

the metering block (location shown above). The discharge side in on the main body side of the metering

block as shown. The idle feed restriction is located at the top of the serpentine channel. The emulsion

bleeds are the four restrictions located in the high speed air bleed channel closest to the power valve. The

lowest port on the metering block face should be plugged.

The specifications for your new metering block are as follows:

Intermediate Feed: .043” Intermediate Discharge: .039”

Emulsion Bleeds: 4 @ .028” each Idle Feed Restriction: .037”

This is a good baseline calibration that will work on the majority of applications. The “tuneability” of this

metering block is certainly one of the significant features. It is not possible to discuss every possible

combination or calibration change in an installation sheet. Numerous books have been written covering

these subjects in absolute detail. We would suggest using these technical references before making any

major changes. It is highly recommended calibration changes should be measured with a data acquisition

system or monitored on a dynamometer.

P/N 99-36

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3 Circuit Billet Metering Block Instructions Thank you for purchasing a QFT 3 circuit metering block. Installation is no different than a conventi

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Quick-fuel-technology 3 Circuit Billet Metering Block Manuel d'utilisateur