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Basicaly free flow is a metered or controlled air leak at the blower.
What does it do? Free flow allows the blower to work at optimum rpms.
it allows the blower and engine actually breathe and work as one instead of fighting each other. This increases more air flow and vacuum atw.
This will work on the majority of machines out there. some machine may need plumbing modifications.
you will need a 5/16 drill bit. a 2'' galvanized cap with fpt,on 2'' close nipple. you will need to drill to holes in the cap. you then remove old vacrelief system install tthe nipple into blower port at the tee then install cap. Sart machine and cap off vaccum HG should go to 14 to 18 hg. The machine may bogg if it does add another hole. this time it should be 14 to 15 hg on machine. Take wand inot house at 100 feet of hose and clean carpet . with out wand glide you will feel a big difference more air and vacuum. with wand glide you may only need two holes. you can make different caps. Now here is the kicker , the dry times will be better the vacuum will be better airflow better. The HG guage wont show it. THe guage may read 13 or 14 hg but you will be pulling more.
This is based on my machines that I build. works on 36 45 47 and 56 blowers. Blower should be spinnning around 3600 3450 rpms.
goodluck I am still tweaking this system.
What does it do? Free flow allows the blower to work at optimum rpms.
it allows the blower and engine actually breathe and work as one instead of fighting each other. This increases more air flow and vacuum atw.
This will work on the majority of machines out there. some machine may need plumbing modifications.
you will need a 5/16 drill bit. a 2'' galvanized cap with fpt,on 2'' close nipple. you will need to drill to holes in the cap. you then remove old vacrelief system install tthe nipple into blower port at the tee then install cap. Sart machine and cap off vaccum HG should go to 14 to 18 hg. The machine may bogg if it does add another hole. this time it should be 14 to 15 hg on machine. Take wand inot house at 100 feet of hose and clean carpet . with out wand glide you will feel a big difference more air and vacuum. with wand glide you may only need two holes. you can make different caps. Now here is the kicker , the dry times will be better the vacuum will be better airflow better. The HG guage wont show it. THe guage may read 13 or 14 hg but you will be pulling more.
This is based on my machines that I build. works on 36 45 47 and 56 blowers. Blower should be spinnning around 3600 3450 rpms.
goodluck I am still tweaking this system.