WAGNER Super Finish 21, Руководство по эксплуатации

Страница: 39 / 112

Super Finish 21 • 23
37
GB
Remedy in case of disturbance
type of malfunction possible cause Measure for elimination of mal-
function
unit exerts suction but no build-
up of pressure takes place
Air in the hydraulic system
•
Release air from unit (hydraulic system),
•
i.e. turn pressure regulating valve
three revolutions to the
left
. Allow
the unit to run one or two minutes.
After that, turn pressure regulating valve
to the right to set the desired operating
pressure.
unit exerts pressure and reaches
pressure. If the spray gun is
removed, the pressure falls ap-
preciably
No tip in the spray gun
•
Tip too large
•
Suction filter clogged
•
Specially for unit with suction system:
Suction pipe not tight
•
Outlet valve parts worn
•
Relief valve does not close. Coating
•
material escapes from the return pipe.
Mount tip.
•
Selection of smaller tip, see page 47, point
•
13.4.
Clean suction filter or replace.
•
Clean and tighten connection points.
•
Replace outlet valve parts, see page 39,
•
point 11.2.
Screw out relief valve from paint section and
•
clean or replace, see page 39, point 11.4.
Hard pressure jolts and excessive
vibration on the spray gun and
unit
High-pressure hose for diaphragm
•
unit not suitable
Outlet valve parts worn
•
Use original WAGNER high-pressure hose.
•
Replace outlet valve parts, see page 38,
•
point 11.2.