Edition 06/08
19
8.3
SPRAY MATERIAL PUMP UNIT
Type of defect
Appearance of de-
fect
Possible cause
Remedy
Material coming from
the spray material
chamber.
Upper packing of
spray material pump
faulty.
Replace spray mate-
rial pump packing.
BINKS airless pump
runs non-stop.
BINKS airless pump
runs on despite stop-
ping spraying.
Lower packing of
spray material pump
faulty
Replace spray mate-
rial packing.
BINKS airless pump
does not stop on
down-stroke.
Foot valve or plunger
valve faulty or stuck.
Wear.
Dried material.
Replace parts.
Careful cleaning nec-
essary.
BINKS airless pump
does not stop on up-
stroke.
Foot valve or plunger
valve faulty or stuck.
Wear.
Dried material.
Replace parts.
Careful cleaning nec-
essary.
Spray material es-
cape at double piston.
Grooving in the slide
faces.
Wear.
Replace parts.
8.4
SUCTION SYSTEM UNIT
Type of defect
Appearance of de-
fect
Possible cause
Remedy
BINKS airless pump
works erratically.
Suction screen
blocked.
Spray material con-
taminated.
Clean or replace suc-
tion screen.
BINKS airless pump
runs, but there is no
flow.
No suction power.
Suction filter dirty.
Foot valve ball sticks
to valve seat.
Suction system not
properly screwed
down.
Spray material pump
draws air, screw
down properly.
Clean.
Make practicable.