Yoshitake AF-10EN Product Manual page 11

Trouble
Continuous blowout. 1. Foreign substance is stuck
The lever does not
lift up.
Does not stop
blowing when
releasing the lever
after pulling it up.
* The product has allowable valve seat leakage and does not close completely. (Valve seat leakage
cannot be zero.)
Cause
between valve and valve seat.
2. Sliding parts of the valve and valve seat
do not move smoothly.
3. Normal working pressure is higher than
closing pressure.
4. The product is installed at outlet side of
pressure reducing valve which is out of
order, and the reduced pressure of the
valve is getting higher than expected.
1. Inlet pressure is too low.
2. Sliding part of the spindle does not
move smoothly.
1. Foreign substance is stuck
between valve and valve seat.
2. Sliding parts of the valve and valve seat
do not move smoothly.
1. The product needs to be
returned to Yoshitake, and
disassembled and cleaned.
2. The product needs to be
returned to Yoshitake, and
disassembled and cleaned.
3. The difference between set
pressure and normal working
pressure needs to be bigger.
Please contact us for set pressure
adjustment.
4. The pressure reducing valve
needs repair. If it is Yoshitake's,
please contact us.
1. Increase the inlet pressure to 80%
of the set pressure or higher.
2. The product needs to be
returned to Yoshitake, and
disassembled and cleaned.
1. Remove the foreign substance by
operating the product with the
lever. Please contact us for repair
if the trouble still exists even after
that.
2. The product needs to be
returned to Yoshitake, and
disassembled and cleaned.
10
Remedy
■EPDT-395■