HDX 190770 Guía De Uso Y Cuidado página 11

Troubleshooting
Problem
Liquid chemical or air leaks from
the tank into the pump cylinder.
The hose leaks air at the tank
connection.
There is a bad spray pattern or low
spray volume.
The nozzle leaks when the shut-off
is closed (lever released).
Air leaks out at the tank opening.
The nozzle tip leaks.
The sprayer is difficult to pump.
Probable Cause
The check valve on the bottom of
the pump cylinder is unable to seal
properly due to dirt, residue, or
damage.
The hose barb adapter is not
inserted into the tank correctly, the
hose nut is loose, or the O-ring is
damaged.
The nozzle or dip tube filter is
clogged.
There is dirt or debris in the shut-
off valve.
The pump is not sealed tightly into
the tank.
The pump gasket is damaged.
The nozzle seal is missing or
incorrectly assembled.
The pump piston O-ring is damaged
or lacks lubrication.
11
Remove the pump assembly and
examine the check valve. Clean if
dirty; replace if necessary.
Re-insert the hose barb adapter
correctly, tighten the hose nut, or
replace the O-ring.
Remove and inspect the nozzle and
dip tube filter. Clean as needed or
re-pressurize the tank.
Disassemble the shut-off. Inspect
all components. Clean and lubricate
parts as needed. Otherwise, replace
the shut-off.
Clean the pump gasket and adjacent
sealing surfaces on the pump
cylinder and tank.
Replace the gasket if damaged.
Re-assemble the nozzle and seal to
the wand.
Replace the damaged O-ring.
Lubricate if needed with petroleum
jelly.
Please contact 1-800-514-6729 for further assistance.
Possible Solution
HOMEDEPOT.COM/HDX