Servicing; General Servicing - WAGNER Super Finish 27 Operating Manual

Remedy in case of disturbance/ Servicing
Type of malfunction
Unit does not exert suction
Unit exerts suction but no build-
up of pressure takes place
Unit exerts pressure and reaches
pressure. If the spray gun is re-
moved, the pressure falls appre-
ciably
Hard pressure jolts and excessive
vibration on the spray gun and
unit
10.

SERVICING

10.1

GENERAL SERVICING

Servicing of the unit should be carried out once annually by
the WAGNER service.
1. Check high-pressure hoses, unit connection line, plug and
socket for damage.
2. Check inlet valve, outlet valve, diaphragm and filter for
wear.
3. Check oil level (fig. 18) in the horizontal set-up.
38
GB
Possible cause
•
Inlet valve does not close as, for
example, the guidance is clogged
•
Outlet valve is clogged
•
Air in the hydraulic system
•
No tip in the spray gun
•
Tip too large
•
Suction filter clogged
Specially for unit with suction sys-
tem:
•
Suction pipe not tight
•
Outlet valve parts worn
•
Relief valve does not close. Coating
material escapes at switch position
(spray) from the return pipe.
•
High-pressure hose for diaphragm
unit not suitable
•
Outlet valve parts worn
Measure for elimination of mal-
function
•
Screw inlet valve out of the paint section
and clean, see page 39, point 11.2
•
Screw the outlet valve out of the paint
section and clean, see page 39, point 11.3
•
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.
•
Mount tip.
•
Selection of smaller tip, see page 48, point
13.4.
•
Clean suction filter or replace.
•
Clean and tighten connection points.
•
Replace outlet valve parts, see page 39,
point 11.3.
•
Screw out relief valve from paint section and
clean or replace, see page 40, point 11.5.
•
Use original WAGNER high-pressure hose.
•
Replace outlet valve parts, see page 39,
point 11.3.

max.
min.
Super Finish 27 • 31