40
Translation of the original operation manual
Airless 270_BAoDB_en_1405 • 0550022 • jw
Maintenance
6 Maintenance
WARNING
If maintenance and repair work is carried out by persons who
have not been trained for this work you endanger yourself, other
persons and impair the safety and reliability of the equipment.
³
Maintenance and repair work on electrical components must
only be carried out by trained electricians – any other mainte-
nance and repair work must be performed by
WIWA
custom-
er service or by specially trained personnel.
WARNING
Sources of ignition may result from maintenance work (e.g.
through mechanical sparks, electrostatic charge, etc.).
³
Carry out all maintenance work outside of areas with explo-
sive atmospheres.
Observe the maintenance information in the operating
instructions of the optional accessories.
Before maintenance and repair work:
1.
Close the air pressure shut-off valve and disconnect the com-
pressed air hose.
2.
Completely depressurise the equipment.
WARNING
If parts of the equipment (e.g. spray nozzle, material filter on the
spray gun, material hose, high pressure filter, suction strainer,
etc.) are clogged the pressure cannot be fully released. Residual
pressure could be released during disassembly work and cause
severe injuries.
³
Cover the screw fitting with a rag during releasing to protect
yourself against sudden release of material.
³
Release the screw fittings very carefully and release the
pressure slowly.
³
Remove the obstructions (see fault table in chapter see chap-
ter 7 on page 48).
