Manual Navman Diesel Fuel Flow Sensors (page 29 of 39) (English)

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Diesel fuel flow sensor kit Installation and Operation Manual

NAVMAN

Panel

Remove clamps to release pipe

Hold pipe away from panel

Cut pipe with pipe cutter

Fit barrel unions to a sensor temporarily. Do not

apply threadseal. Do up the unions loosely.

7-4-1 Installing a through pipe with flare joints into a copper pipe run

This describes how to install a through pipe

with a flare joint. For the full procedure, follow

the steps of section 7-4.

Fitting a flare joint requires the use of a pipe

cutting tool, a flaring tool, possibly pipe bending

tools and flare nuts. To take the example of a

3/8 OD inch pipe, you will need to find from a

fitting supplier, for each flare joint:

a 3/8 inch flare nut

a 3/8 inch flare to ¼ NPT taper thread

barrel union

some Teflon® tape or Teflon® threadseal

paste.

If the pipe is fixed to a panel, such as a beam or

bulkhead, you will have to release it and bend

the pipe out to be able to cut it. Mark the pipe

where you wish to put the sensor and cut it

using a pipe cutter. Do not use a hack saw.

65 mm

(2.5 in)

At least

50 mm

(2 in)

straight

Cut pipe to exact length

with pipe cutter

Hold sensor in place

If necessary, bend the pipe in an ‘S’ curve to

align it with the sensor port, 65mm (2.5”) out from

the surface where the sensor will be mounted.

Hold the sensor in place by hand to check that

the pipe lines up with the sensor port.

Gentle, large radius bends can be made by

bending the pipe around a curved former by

hand, but take care not to kink or crush the

tube. If room is restricted and you must form

tight radius bends then you will have to use a

pipe bending tool.

Do not bend the pipe too close to the end - you

must have at least 50mm (2”) or more of straight

pipe to allow the flare nut on and still have room

for the flaring tool to work.

If necessary, use the pipe cutter to cut the pipe

to the exact length to match the sensor port.

Do not make the curves too tight and do not

cut the pipe short. It is also wise to allow for

the possibility that you might make a mistake

on the flaring process, and have to cut your

first attempt off and start again. It is better to

allow for the possibility, than to cut the pipe to

absolutely the shortest possible.

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Others manual(s) of Navman Diesel Fuel Flow Sensors

Navman Diesel Fuel Flow Sensors User Manual - German - 34 pages

Navman Diesel Fuel Flow Sensors User Manual - Dutch - 32 pages

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Navman Diesel Fuel Flow Sensors Manual

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