Download Operation Manual INTERNAL PIPE COATING SYSTEM

Rectification of faults
7 Rectification of faults
Fault
Possible cause/s
Remedy
1.) no material output
➤➤ gun OFF
➤➤ switch ON the gun
➤➤ spraying device OFF or not ➤➤ open compressed air supply for the spraying
working
device and adjust spraying pressure
➤➤ material hose bent
➤➤ nozzle/filter clogged
➤➤ material feed faulty
2.) not enough material
output
➤➤ nozzle clogs up
3.) too much material
output
➤➤ nozzle worn
4.) rotary atomizer rotates
too slowly or not at all
➤➤ air inlet pressure for the
rotary atomizer motor too
low or non-existent
➤➤ feed rate too high
➤➤ feed rate too slow
➤➤ clean nozzle/filter, replace if worn or damaged
➤➤ Is there still enough spraying material?
➤➤ note the operating manual of the spraying
device
➤➤ clean nozzle/filter
➤➤ move more slowly
➤➤ replace nozzle
➤➤ move faster
➤➤ open the compressed air shut-off valve
➤➤ increase air inlet pressure for rotary atomizer
➤➤ check/repair motor, replace if necessary
➤➤ rotary atomizer rotates too
slowly or not at all
➤➤ see item 2
➤➤ check air hose for bends and crushing, replace
if necessary
➤➤ material too liquid
➤➤ increase rotary atomizer speed
➤➤ material already unevenly
distributed in the rotary
atomizer
➤➤ material too liquid/viscid (see above)
➤➤ material too viscid
Translation of the original operation manual
Rohrinnenbeschichtung_BA_en_1312 • jw
➤➤ check material hose for bends and crushing
➤➤ motor stuck
➤➤ air hose bent
5.) uneven material application in the pipe
➤➤ check the spraying device (note operating manual for the spraying device)
➤➤ decrease viscosity of the material, e.g. through
material heaters, thinning, etc.
➤➤ Try installing several distributed material outlets
in the rotary atomizer. Please contact WIWA
customer service.
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