User manual

TROUBLE SHOOTING
ZIPPER MASCHINEN GmbH www.Zipper-Maschinen.at Seite 20
HAND-DRUCKSPRÜHER / PRESSURE SPRAYER ZI-HDS 8Lite 20
14 TROUBLE SHOOTING
PROBLEM
CAUSES
SOLUTIONS
In case of leakage or poor
spraying performance
Seal rings at various
joints may loose or be
damaged.
The switch filter screen
or the small filter
screen at the suction
hose has been blocked.
The spray hole has
been blocked.
Tighten or replace it
Clean it
Clean and repair it.
Extra-high pumping pressure
Poor lubrication of
piston O-ring.
Extra-high pressure in
the tank
Apply grease to the
piston O-ring
Stop boosting. Check
the relief valve for
possible jamming.
Apply grease to the O-
ring of relief valve
Extra-small pumping pressure
Piston O-ring is worn
out or damaged
Water-proof washer
comes off
Replace the piston O-
ring
Repair.
Spray air instead of water
The suction hose in the
tank comes off
Fix it
NO T IC E
Only thoroughly cleaned sprayer may be sent in for repair!