AccuStream AccuValve On/Off Valve Podręcznik - Strona 17

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AccuStream Cutting Systems

4.8 Troubleshooting

Cutting Head

Problem

Orifices do not last at least 20 hours

Nozzle Life too short or not wearing

round

Abrasive not drawing into head

properly

Can't unplug nozzle

Leak Points (Causes and Solutions)

13084 ON/OFF VALVE & CUTTING HEAD MANUAL

Solution

Not flushing thoroughly when changing orifice

Bad water quality

Blown in-line filter upstream

In the A2 head rotate nozzle 120° every shift or 8 hours

Using too much abrasive.

Running with worn orifice.

Vacuum leak, check inlet tube connection

Smaller combinations such as .007/.020 may need to have

the nozzle lowered about ¼" to induce more vacuum

Put nozzle upside down in head and cycle jet on/off

Item

Problem

Seal Weep hole.

Inlet Weep hole.

Leakage at bottom

of valve body.

Head Weep hole.

Dripping Nozzle

when valve closes.

Solution

Replace Valve

Seal kit.

Tighten inlet

fitting.

Tighten adapter to

valve body or

tighten inlet fitting

in collar.

Tighten Head to

Adapter.

Needle and Seat

are worn and need

new valve kit.