TAMD41A Stop Solenoid

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bowler

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Hi all.

Think this has given up the ghost on my SB engine. Keypart have them for 140 quid or so. Anyone know if they can he had for less? The Keypart price is much more tolerable than the VP price bit cheaper again would be nice...

Also, anyone know if these are fed via a relay or not?

Ta.

D
 
colhel said:
Mine gave up about 3 years ago then started working again and its been fine ever since. I've wondered if battery condition or damp could have an effect
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Yes it can and this is often a problem with diesel cars and vans, while you are cranking them their nominal battery voltage drips from around 12.5 volts to 9 - 10 volts while the starter spins up to speed and many engines I have worked on (more than I remember) have owners who have said their stop valve is fine, load testing shows they close or partially close when the voltage drops and restrict or stop fuel flow.

Other issues are with the needle valve inside, remember they are nothing more than an electromagnet and as the needle opens and closes it can catch and bind on the valve body and it get dirt inside it which causes binding, this is usually down to wear or foor fuel filtration. If they have electroplated needles the plating can wear off under marine conditions and this can also cause problems.

On a vehicle, industrial or commercial engine the stop valve is normally closed and only opens when you switch the ignition on and send power to it; on a marine engine this is reversed, the stop valve is always open and you have to apply a voltage to it to close it.
 
Assassin said:
Yes it can and this is often a problem with diesel cars and vans, while you are cranking them their nominal battery voltage drips from around 12.5 volts to 9 - 10 volts while the starter spins up to speed and many engines I have worked on (more than I remember) have owners who have said their stop valve is fine, load testing shows they close or partially close when the voltage drops and restrict or stop fuel flow.

Other issues are with the needle valve inside, remember they are nothing more than an electromagnet and as the needle opens and closes it can catch and bind on the valve body and it get dirt inside it which causes binding, this is usually down to wear or foor fuel filtration. If they have electroplated needles the plating can wear off under marine conditions and this can also cause problems.

On a vehicle, industrial or commercial engine the stop valve is normally closed and only opens when you switch the ignition on and send power to it; on a marine engine this is reversed, the stop valve is always open and you have to apply a voltage to it to close it.
Click to expand...

would it not be simpler and less ikely to fail to just have a manual valve in the fuel line ?
can check it still turns as needed too ?
 
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