The check valve is at the gauge end! This is riduculous as you say. Chinese
piece of crap that I paid a lot of money for.
PEter
2008/12/11 Jim Cathey <[EMAIL PROTECTED]>
> I did some calculations and the volume of the pipe leading up to
>> the gauge is about 13.8 cm3!
>>
>
> So what? That's wh
I did some calculations and the volume of the pipe leading up to
the gauge is about 13.8 cm3!
So what? That's why there is a check valve in the part that screws
into the head. If there isn't, the gauge is of course a POS, as
you've calculated. But even my $18 Harbor Freight diesel compression
Wow.
I believe that all the threaded adapters in my Harbor Freight gauge set have
check valves in them. Putting the valve in the gauge head with a hose upstream
from it is insane, unless it is intended for tractors with 8" diameter pistons.
Mitch.
___
htt
After having bought a diesel compression gauge - not the motometer one
unfortunately- I find I always got low compression values - around 16 bar.
The instrument has a long ( 430 mm ) 1/4 " ID pipe going to the non-return
value which is at the base of the gauge. Well I did some calculations and
the