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Quick ?, i want to replace the ones on the engine, and was wondering if i need to drain the fuel bowl to release pressure or just undo them and change the sleeves. thanks.
Quick ?, i want to replace the ones on the engine, and was wondering if i need to drain the fuel bowl to release pressure or just undo them and change the sleeves. thanks.
Probably not, but it wouldn't hurt and is less likely to make a mess.
When it is operating properly, there should be no pressure. But on mine, the bleeder hole was plugged so it would hold some pressure. Either way, just open the water drain to keep most of the fuel from leaking out into the valley. Plus the pressure will be bled if there was any. Which ones are you changing? Have you considered doing a fuel bowl rebuild since you'll have it opened up?
When it is operating properly, there should be no pressure. But on mine, the bleeder hole was plugged so it would hold some pressure. Either way, just open the water drain to keep most of the fuel from leaking out into the valley. Plus the pressure will be bled if there was any. Which ones are you changing? Have you considered doing a fuel bowl rebuild since you'll have it opened up?
did it a year ago or so...changing the ones on the motor. I'm installing the "manifold" for the wvo system, and need to remove the oem fuel lines to install the checkvalves. So, since i'm there, might aswell throw in the new sleeves, which BTW, wife just got back from post-office...WITH MY YELLOW TAPED BOX...
you guys think i should use teflon tape on the checkvalves or just bury them down and hope?
You would need to use diesel compatible tape
OR Gasoila<SUP>®</SUP> Soft-Set Thread Sealant with PTFE
Soft-setting, non-toxic, PTFE paste.
Provides a positive seal on pipe threads, joints, fittings, hoses, nozzles, LPG cylinders, pump assemblies, oil burners, hydraulics, compressors, engines, motors, housings, plugs, fuel lines, couplings and more.
Use on brass, copper, stainless steel, aluminum, black pipe, tin, galvanized, ABS, CPVC, PVC plastics, nylon, polyethylene, polypropylene, polybutylene and more.
Excellent resistance to gasoline (up to 20% alcohol and petroleum blends), petroleum solvents, kerosene,diesel oil, propane, butane LPG, cutting oils, ammonia, aliphatic solvents, acids, steam, potable water, compressed air and more.
NOT for use on oxygen.
Remains pliable in cold temperatures.
Temperature Range: -100ºF to 600ºF (-74ºC to 318ºC).
Pressure Range: To 10,000 psi sealing liquids; to 3,000 psi sealing gases.
One year shelf life when stored at 40ºF to 80ºF (5ºC to 27ºC).
For alcohol blended gasoline (ethanol), see E-Seal.
As far a Teflon Tape.. My father worked as a machinist for 30 yrs for the Sperry Corporation. They built a variety of high and low pressure pumps; hydraulic, fuel (diesel, gas, jet fuel, you name it).. The majority of their fittings had teflon tape used on them. 40 yrs of being on the farm, everything had teflon tape used on it to prevent leaks and provide a good seal.. Just my thoughts here.....
To keep the mess to a minimum, I would drain the fuel bowl. That fuel will come out as gravity will take over when the lines are loosened. Just my opinion.
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