Mityvac MV5545 User Manual download pdf (Page 9)

Fig. 9

Fig. 11

Fig. 10

Fuel Rail

Banjo

Fitting

Banjo Bolt

Banjo Adapter

Fuel Filter

Form 824127 Page Number - 9

To release the connection, press and hold the release button on

the side of the female quick-connect, while pulling the connection

apart (Fig. 8). Do not attempt to release the quick-connect connection

using a disconnect tool, as this may damage the fitting. Replacement

clips are included if needed

Adapters

The FST Pro includes a selection of adapters for connecting inline with

the fuel delivery systems of a wide range of automotive makes and

models. The chart on pages 6 and 7 outlines the adapters available,

nd their applications. Each adapter is etched with an identification

number for easy reference. Adapters can be purchased separately in

sets according to the order number indicated in the chart.

In most cases, selecting and installing adapters into the fuel delivery

system and connecting the FST for testing, is straightforward and

logical. Simply match the fuel system connection to the equivalent

male and female adapter set, and install them as outlined in the

Setup and Installation instructions later in this manual.

Banjo Connections

Banjo style connections are commonly used by many Asian and

European manufacturers to connect a hose or fuel line to the filter

and/or the fuel rail. Often, this will be the best place to connect the

FST inline with the fuel system. This type of connection may be a

little confusing the first time it is encountered.

A banjo connection consists of a round, hollowed-out “banjo”

connector with two flat sides. A hollow bolt with a cross-hole

passes through the banjo connector and threads into the connecting

component (i.e. filter, fuel rail). When the bolt is tightened, it creates

a secure face-to-face seal through which the fuel flows. See Fig. 9 for

an illustration of this connection.

Two (2) threaded adapters and a closed end nut are required to

properly install the FST into a banjo style connection. Refer to the

adapter chart for a list of the banjo adapters included with the FST.

To install the banjo adapters:

1. Follow the proper procedure under the Setup and Installation

instructions to relieve the fuel pressure and prepare for

disconnecting.

2. Loosen and remove the bolt from the banjo connection at the

fuel filter or fuel rail.

3. Pass the hollow adapter with the cross-hole through the banjo

fitting. Be sure to include a washer on both sides of the banjo

fitting (Fig. 10).

4. Thread the closed-end nut onto the end of the bolt and tighten

securely with a wrench, trapping the banjo fitting.

5. Thread the hollow bolt adapter without the cross-hole into the

filter or fuel rail, in place of the original bolt, and tighten securely

with a wrench. Be sure to include a washer between the face of

the filter or fuel rail, and the opposing face of the adapter bolt

(Fig. 11).

6. Follow normal testing procedures.

NOTE: Always throw away the original used washers, and replace

them with new when reconnecting the banjo fitting back to the

vehicle’s original specification.

Fig. 8

Closed

End Nut

Banjo Fitting

Banjo Bolt

Adapter

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 41 42

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Mityvac MV5545 User Manual Page 9

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